Extracting prog: 20m19.252539894s Minimizing prog: 3h42m57.744838235s Simplifying prog options: 31m50.947626435s Extracting C: 2m1.777821087s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 45s testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_GET_PROG_INFO detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_GET_PROG_INFO(0xa, &(0x7f0000000740)={r1, 0x0, 0x0}, 0x10) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 5m0s testing program (duration=5m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_GET_PROG_INFO detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_GET_PROG_INFO(0xa, &(0x7f0000000740)={r1, 0x0, 0x0}, 0x10) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 16m0s testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_GET_PROG_INFO detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_GET_PROG_INFO(0xa, &(0x7f0000000740)={r1, 0x0, 0x0}, 0x10) program crashed: INFO: task hung in _vm_unmap_aliases single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, 0x0, 0x0) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, 0x0, &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash testing program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash extracting C reproducer testing compiled C program (duration=16m43.774596564s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD program did not crash simplifying guilty program options testing program (duration=16m43.774596564s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases extracting C reproducer testing compiled C program (duration=16m43.774596564s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD program did not crash testing program (duration=16m43.774596564s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program did not crash testing program (duration=16m43.774596564s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m43.774596564s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m43.774596564s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000002010000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1f, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x12, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true reproducing took 5h9m44.85920164s repro crashed as (corrupted=false): INFO: task kworker/0:1:3095 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:0 pid:3095 tgid:3095 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:df841da4 r9:df841dac r8:00000002 r7:60000113 r6:82cd9e0c r5:831855c0 r4:831855c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:831855c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df841e28 r4:869958c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:869958c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:831855c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f063000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868ceb98 r4:868ceb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868ceb98 r4:846cd480 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:846cd4b0 r8:831855c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:846cd480 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df999e88 r8:83015b00 r7:846cd480 r6:80277df8 r5:831855c0 r4:85b3f080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf841fb0 to 0xdf841ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:85b3f080 INFO: task kworker/0:1:3095 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a81b1000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:12:4393 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:12 state:D stack:0 pid:4393 tgid:4393 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea755da4 r9:ea755dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83e88000 r4:83e88000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83e88000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea755e28 r4:86860780 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86860780 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83e88000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea409000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86867b98 r4:86867b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86867b98 r4:865b1f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:865b1f30 r8:83e88000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:865b1f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea745e88 r8:865a0400 r7:865b1f00 r6:80277df8 r5:83e88000 r4:8671b140 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea755fb0 to 0xea755ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8671b140 INFO: task kworker/0:12:4393 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a8689000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:13:4394 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:13 state:D stack:0 pid:4394 tgid:4394 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea75dda4 r9:ea75ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:848cc980 r4:848cc980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:848cc980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea75de28 r4:86aa9e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:848cc980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f063000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa22000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867ce798 r4:867ce798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867ce798 r4:866f7f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866f7f30 r8:848cc980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:866f7f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea745e88 r8:866f7e80 r7:866f7f00 r6:80277df8 r5:848cc980 r4:8676e840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea75dfb0 to 0xea75dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8676e840 INFO: task kworker/0:13:4394 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a8689000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:273:4925 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:273 state:D stack:0 pid:4925 tgid:4925 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb08dda4 r9:eb08ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a78000 r4:86a78000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a78000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb08de28 r4:86995ec0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86995ec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a78000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a3000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eba53000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d0398 r4:868d0398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d0398 r4:86868b80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86868bb0 r8:86a78000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868b80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868b00 r7:86868b80 r6:80277df8 r5:86a78000 r4:867d6c00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb08dfb0 to 0xeb08dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6c00 INFO: task kworker/0:273:4925 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a8b85000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:275:4931 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:275 state:D stack:0 pid:4931 tgid:4931 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb9e9da4 r9:eb9e9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:868e9880 r4:868e9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:868e9880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9e9e28 r4:8684b800 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8684b800 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:868e9880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb9ef000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86865798 r4:86865798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86865798 r4:86a23700 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86a23730 r8:868e9880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86a23700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb08de88 r8:86868800 r7:86a23700 r6:80277df8 r5:868e9880 r4:86919b00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb9e9fb0 to 0xeb9e9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86919b00 INFO: task kworker/0:275:4931 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a8b85000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:276:4932 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:276 state:D stack:0 pid:4932 tgid:4932 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eba11da4 r9:eba11dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a74980 r4:86a74980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a74980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba11e28 r4:867d60c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d60c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a74980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb9c7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d0f98 r4:868d0f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d0f98 r4:86868700 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86868730 r8:86a74980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb9e9e88 r8:86868680 r7:86868700 r6:80277df8 r5:86a74980 r4:86919b00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeba11fb0 to 0xeba11ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86919b00 INFO: task kworker/0:276:4932 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a9096000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:277:4934 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:277 state:D stack:0 pid:4934 tgid:4934 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eab31da4 r9:eab31dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a73d40 r4:86a73d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a73d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab31e28 r4:86995b00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86995b00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a73d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a7000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebacb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cf798 r4:868cf798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cf798 r4:86868580 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:868685b0 r8:86a73d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb08de88 r8:86868500 r7:86868580 r6:80277df8 r5:86a73d40 r4:85feac00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab31fb0 to 0xeab31ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:85feac00 INFO: task kworker/0:277:4934 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a9096000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:278:4935 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:278 state:D stack:0 pid:4935 tgid:4935 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eba69da4 r9:eba69dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a73100 r4:86a73100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a73100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba69e28 r4:8685de80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8685de80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a73100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a5000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eba91000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cff98 r4:868cff98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cff98 r4:86868400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86868430 r8:86a73100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eab31e88 r8:86868380 r7:86868400 r6:80277df8 r5:86a73100 r4:8676ad40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeba69fb0 to 0xeba69ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8676ad40 INFO: task kworker/0:278:4935 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a95d2000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:279:4937 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:279 state:D stack:0 pid:4937 tgid:4937 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb099da4 r9:eb099dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a76200 r4:86a76200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a76200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb099e28 r4:8684b480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8684b480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a76200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f065000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa8b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cbf98 r4:868cbf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cbf98 r4:86868a00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86868a30 r8:86a76200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eab31e88 r8:86868280 r7:86868a00 r6:80277df8 r5:86a76200 r4:8691c140 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb099fb0 to 0xeb099ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8691c140 INFO: task kworker/0:279:4937 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a95d2000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 INFO: task kworker/0:280:4939 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:280 state:D stack:0 pid:4939 tgid:4939 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:df9cdda4 r9:df9cddac r8:00000002 r7:60000113 r6:82cd9e0c r5:860524c0 r4:860524c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860524c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9cde28 r4:8684b6c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8684b6c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860524c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:df9fb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cfb98 r4:868cfb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cfb98 r4:8687ac80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687acb0 r8:860524c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687ac80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb099e88 r8:86868180 r7:8687ac80 r6:80277df8 r5:860524c0 r4:86995b80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9cdfb0 to 0xdf9cdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86995b80 INFO: task kworker/0:280:4939 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a95d2000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:281:4947 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:281 state:D stack:0 pid:4947 tgid:4947 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbd5da4 r9:dfbd5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a724c0 r4:86a724c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a724c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbd5e28 r4:8691c380 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8691c380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a724c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f061000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa1e000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cef98 r4:868cef98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cef98 r4:86868080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868680b0 r8:86a724c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df841e88 r8:86882f80 r7:86868080 r6:80277df8 r5:86a724c0 r4:86995e00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbd5fb0 to 0xdfbd5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86995e00 INFO: task kworker/0:281:4947 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a9ce5000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:282:4948 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:282 state:D stack:0 pid:4948 tgid:4948 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbddda4 r9:dfbdddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a70c40 r4:86a70c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a70c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbdde28 r4:86995700 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86995700 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a70c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f067000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfad9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868ce798 r4:868ce798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868ce798 r4:86882e80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86882eb0 r8:86a70c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86882e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb099e88 r8:86882e00 r7:86882e80 r6:80277df8 r5:86a70c40 r4:869955c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbddfb0 to 0xdfbddff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869955c0 INFO: task kworker/0:282:4948 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: a9ce5000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:283:4949 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:283 state:D stack:0 pid:4949 tgid:4949 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc55da4 r9:dfc55dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a70000 r4:86a70000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a70000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc55e28 r4:869954c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:869954c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a70000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f069000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb5f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868ce398 r4:868ce398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868ce398 r4:86882d00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86882d30 r8:86a70000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86882d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbdde88 r8:869ef780 r7:86882d00 r6:80277df8 r5:86a70000 r4:869955c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc55fb0 to 0xdfc55ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869955c0 INFO: task kworker/0:283:4949 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aa19b000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:284:4950 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:284 state:D stack:0 pid:4950 tgid:4950 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc79da4 r9:dfc79dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a1ee40 r4:86a1ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1ee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc79e28 r4:869951c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:869951c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfbc7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8645bb98 r4:8645bb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8645bb98 r4:869ef680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:869ef6b0 r8:86a1ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869ef680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc55e88 r8:869ef600 r7:869ef680 r6:80277df8 r5:86a1ee40 r4:8691c000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc79fb0 to 0xdfc79ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8691c000 INFO: task kworker/0:284:4950 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aa19b000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:285:4951 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:285 state:D stack:0 pid:4951 tgid:4951 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc69da4 r9:dfc69dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a1e200 r4:86a1e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc69e28 r4:86995040 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86995040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc0d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cf398 r4:868cf398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cf398 r4:869ef500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:869ef530 r8:86a1e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869ef500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc79e88 r8:869ef480 r7:869ef500 r6:80277df8 r5:86a1e200 r4:8691c000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc69fb0 to 0xdfc69ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8691c000 INFO: task kworker/0:285:4951 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aa19b000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:286:4953 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:286 state:D stack:0 pid:4953 tgid:4953 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc7dda4 r9:dfc7ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a1d5c0 r4:86a1d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1d5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc7de28 r4:8693a940 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a940 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f071000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0017000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cd798 r4:868cd798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cd798 r4:869ef380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:869ef3b0 r8:86a1d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869ef380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc69e88 r8:869ef300 r7:869ef380 r6:80277df8 r5:86a1d5c0 r4:869952c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc7dfb0 to 0xdfc7dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869952c0 INFO: task kworker/0:286:4953 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aa87f000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:287:4954 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:287 state:D stack:0 pid:4954 tgid:4954 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc81da4 r9:dfc81dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a71880 r4:86a71880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a71880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc81e28 r4:867e2e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867e2e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a71880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc9b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cdb98 r4:868cdb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cdb98 r4:86868000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86868030 r8:86a71880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc7de88 r8:869ef200 r7:86868000 r6:80277df8 r5:86a71880 r4:86995340 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc81fb0 to 0xdfc81ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86995340 INFO: task kworker/0:287:4954 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aac57000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:288:4957 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:288 state:D stack:0 pid:4957 tgid:4957 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0055da4 r9:e0055dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86053100 r4:86053100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86053100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0055e28 r4:86995e40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86995e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86053100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f075000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0155000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86865f98 r4:86865f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86865f98 r4:8687ad00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687ad30 r8:86053100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687ad00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc7de88 r8:8687ac00 r7:8687ad00 r6:80277df8 r5:86053100 r4:86876200 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0055fb0 to 0xe0055ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86876200 INFO: task kworker/0:288:4957 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aad4a000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:289:4959 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:289 state:D stack:0 pid:4959 tgid:4959 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0119da4 r9:e0119dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86050c40 r4:86050c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86050c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0119e28 r4:8693a740 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a740 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86050c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f073000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e00b7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cd398 r4:868cd398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cd398 r4:8687ab80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687abb0 r8:86050c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687ab80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0055e88 r8:869ef080 r7:8687ab80 r6:80277df8 r5:86050c40 r4:8693a9c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0119fb0 to 0xe0119ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8693a9c0 INFO: task kworker/0:289:4959 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aad4a000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:290:4962 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:290 state:D stack:0 pid:4962 tgid:4962 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e014dda4 r9:e014ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a1c980 r4:86a1c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e014de28 r4:8693a580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f077000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e015d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868ccf98 r4:868ccf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868ccf98 r4:86783f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783f30 r8:86a1c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0055e88 r8:86783e80 r7:86783f00 r6:80277df8 r5:86a1c980 r4:8676ee80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe014dfb0 to 0xe014dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8676ee80 INFO: task kworker/0:290:4962 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab094000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:291:4963 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:291 state:D stack:0 pid:4963 tgid:4963 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0121da4 r9:e0121dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a1bd40 r4:86a1bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1bd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0121e28 r4:8693a480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1bd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f079000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e4249000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868ccb98 r4:868ccb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868ccb98 r4:86783d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783db0 r8:86a1bd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e014de88 r8:86783d00 r7:86783d80 r6:80277df8 r5:86a1bd40 r4:867693c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0121fb0 to 0xe0121ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867693c0 INFO: task kworker/0:291:4963 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab094000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:292:4966 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:292 state:D stack:0 pid:4966 tgid:4966 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea319da4 r9:ea319dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86051880 r4:86051880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86051880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea319e28 r4:86939f00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86939f00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86051880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f081000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea399000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86944398 r4:86944398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86944398 r4:86783f80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783fb0 r8:86051880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0121e88 r8:86783b80 r7:86783f80 r6:80277df8 r5:86051880 r4:866c7dc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea319fb0 to 0xea319ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:866c7dc0 INFO: task kworker/0:292:4966 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab258000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:293:4968 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:293 state:D stack:0 pid:4968 tgid:4968 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e4271da4 r9:e4271dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a1a4c0 r4:86a1a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1a4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4271e28 r4:86aaa980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aaa980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1a4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e82a3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86865b98 r4:86865b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86865b98 r4:86783a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783ab0 r8:86a1a4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea319e88 r8:86783a00 r7:86783a80 r6:80277df8 r5:86a1a4c0 r4:8676a840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4271fb0 to 0xe4271ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8676a840 INFO: task kworker/0:293:4968 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab40f000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:294:4969 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:294 state:D stack:0 pid:4969 tgid:4969 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea31dda4 r9:ea31ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a19880 r4:86a19880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a19880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea31de28 r4:8693a100 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a19880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea335000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cdf98 r4:868cdf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cdf98 r4:86783900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783930 r8:86a19880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea319e88 r8:86783880 r7:86783900 r6:80277df8 r5:86a19880 r4:86876600 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea31dfb0 to 0xea31dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86876600 INFO: task kworker/0:294:4969 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab602000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:295:4971 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:295 state:D stack:0 pid:4971 tgid:4971 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea331da4 r9:ea331dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a1b100 r4:86a1b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1b100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea331e28 r4:86742c40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86742c40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1b100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea325000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868c2b98 r4:868c2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868c2b98 r4:86783c00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86783c30 r8:86a1b100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783c00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea31de88 r8:86783780 r7:86783c00 r6:80277df8 r5:86a1b100 r4:8684ba80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea331fb0 to 0xea331ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8684ba80 INFO: task kworker/0:295:4971 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab602000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:296:4973 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:296 state:D stack:0 pid:4973 tgid:4973 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:df9d1da4 r9:df9d1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a18c40 r4:86a18c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a18c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9d1e28 r4:86939c40 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86939c40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a18c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f085000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ead9b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d0b98 r4:868d0b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d0b98 r4:86783680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867836b0 r8:86a18c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea319e88 r8:86783600 r7:86783680 r6:80277df8 r5:86a18c40 r4:86733780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9d1fb0 to 0xdf9d1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86733780 INFO: task kworker/0:296:4973 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab9bd000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r5:00001000 r4:eb983000 r4:867d6680 task:kworker/0:297 state:D stack:0 pid:4976 tgid:4976 ppid:2 task_flags:0x4208060 flags:0x00000000 r4:86939e00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86939e00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8696ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f083000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ead61000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86944798 r4:86944798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86944798 r4:8687aa80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687aab0 r8:8696ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687aa80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r4:eac49de0 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) r10:dddd1000 r9:86783430 r8:86a18000 r7:82a03d80 r6:dddd1020 r5:dddd1000 Call trace: r5:80000013 r4:80239788 [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 task:kworker/0:299 state:D stack:0 pid:4978 tgid:4978 ppid:2 task_flags:0x4208060 flags:0x00000000 [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:300:4981 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:300 state:D stack:0 pid:4981 tgid:4981 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred r5:86a8e200 r4:82cd9e08 r4:86939780 r7:dddd1000 r6:8302b000 r5:86a33798 r4:86783080 task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 r10:dddd1000 r9:86783130 r8:86a8ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r5:80000013 r4:80239788 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 Workqueue: events bpf_prog_free_deferred r4:86808d80 9d80: 802306b0 80239788 80000013 ffffffff [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf65e28 Exception stack(0xeaf65fb0 to 0xeaf65ff8) r5:80000013 r4:80239788 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:304:4989 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:304 state:D stack:0 pid:4989 tgid:4989 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eafc1da4 r9:eafc1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86079880 r4:86079880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86079880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafc1e28 r4:8675e000 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8675e000 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86079880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f093000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb029000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a32398 r4:86a32398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a32398 r4:8687a880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a8b0 r8:86079880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaf65e88 r8:8687ab00 r7:8687a880 r6:80277df8 r5:86079880 r4:86939700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeafc1fb0 to 0xeafc1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86939700 INFO: task kworker/0:304:4989 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ac8f1000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:867d6680 r4:86050000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) Workqueue: events bpf_prog_free_deferred r5:80000013 r4:80239788 r4:eac49de0 r5:00001000 r4:eb983000 r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 INFO: task kworker/0:306:4993 blocked for more than 430 seconds. [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) r7:dddd1000 r6:8302b000 r5:86a31b98 r4:86808900 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 r4:eac49de0 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:307:4994 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:307 state:D stack:0 pid:4994 tgid:4994 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb0a5da4 r9:eb0a5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8696e200 r4:8696e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8696e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0a5e28 r4:867d6fc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d6fc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8696e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f097000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb0b7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a31f98 r4:86a31f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a31f98 r4:8687a900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687a930 r8:8696e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eafe5e88 r8:86808780 r7:8687a900 r6:80277df8 r5:8696e200 r4:867a16c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb0a5fb0 to 0xeb0a5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867a16c0 INFO: task kworker/0:307:4994 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: acc69000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0fde28 r5:86a31398 r4:86a31398 Exception stack(0xeb0fdfb0 to 0xeb0fdff8) r4:00000000 r5:80000013 r4:80239788 r4:eac49de0 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:309:4999 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:309 state:D stack:0 pid:4999 tgid:4999 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebb15da4 r9:ebb15dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86078000 r4:86078000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86078000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb15e28 r4:8694d700 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694d700 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86078000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f09d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebb57000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a30f98 r4:86a30f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a30f98 r4:8687a780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a7b0 r8:86078000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb0fde88 r8:86808500 r7:8687a780 r6:80277df8 r5:86078000 r4:867d6d80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebb15fb0 to 0xebb15ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6d80 INFO: task kworker/0:309:4999 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ace43000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:310:5000 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:310 state:D stack:0 pid:5000 tgid:5000 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebb2dda4 r9:ebb2ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a8a4c0 r4:86a8a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a8a4c0 r4:82cd9e08 r4:86aaa540 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r5:80000013 r4:80239788 r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:311:5004 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:311 state:D stack:0 pid:5004 tgid:5004 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebbb1da4 r9:ebbb1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a88c40 r4:86a88c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a88c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbb1e28 r4:8694d480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694d480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a88c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a1000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebbad000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a30b98 r4:86a30b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a30b98 r4:86808200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86808230 r8:86a88c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86808200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebb2de88 r8:86808180 r7:86808200 r6:80277df8 r5:86a88c40 r4:8670b700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebbb1fb0 to 0xebbb1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8670b700 INFO: task kworker/0:311:5004 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ad7df000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:312:5005 blocked for more than 430 seconds. Workqueue: events bpf_prog_free_deferred [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebc4f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a30398 r4:86a30398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a30398 r4:86808080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:868080b0 r8:86a88000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86808080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebbb1e88 r8:86808000 r7:86808080 r6:80277df8 r5:86a88000 r4:8670b700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebbb9fb0 to 0xebbb9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8670b700 INFO: task kworker/0:312:5005 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ad7df000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694d180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a86e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a9000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebbed000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a30798 r4:86a30798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a30798 r4:86714f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86714f30 r8:86a86e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebbb9e88 r8:86714e80 r7:86714f00 r6:80277df8 r5:86a86e40 r4:8670b700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebbbdfb0 to 0xebbbdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8670b700 INFO: task kworker/0:313:5006 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:867d62c0 r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) r7:dddd1000 r6:8302b000 r5:8630ab98 r4:86808400 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 r4:eac49de0 r5:00001000 r4:eb983000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) Call trace: [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:dddd1000 r9:86714cb0 r8:86a86200 r7:82a03d80 r6:dddd1020 r5:dddd1000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86836280 INFO: task kworker/0:315:5011 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ae390000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:316:5014 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:316 state:D stack:0 pid:5014 tgid:5014 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebcadda4 r9:ebcaddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a855c0 r4:86a855c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a855c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebcade28 r4:86860cc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86860cc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a855c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0af000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebca3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86867f98 r4:86867f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86867f98 r4:86714b00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86714b30 r8:86a855c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714b00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebabde88 r8:86714a80 r7:86714b00 r6:80277df8 r5:86a855c0 r4:867a12c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebcadfb0 to 0xebcadff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867a12c0 INFO: task kworker/0:316:5014 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ae390000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) INFO: task kworker/0:317:5016 is blocked on a mutex likely owned by task kworker/0:274:4928. r5:80000013 r4:80239788 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:318:5017 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:318 state:D stack:0 pid:5017 tgid:5017 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebd21da4 r9:ebd21dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a83d40 r4:86a83d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a83d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebd21e28 r4:8676ab00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8676ab00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a83d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0b5000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebd55000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a32798 r4:86a32798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a32798 r4:86714700 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86714730 r8:86a83d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebabde88 r8:86714680 r7:86714700 r6:80277df8 r5:86a83d40 r4:86860c00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebd21fb0 to 0xebd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86860c00 INFO: task kworker/0:318:5017 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ae959000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:eac49de0 [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 INFO: task kworker/0:319:5019 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:319 state:D stack:0 pid:5019 tgid:5019 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebd5dda4 r9:ebd5ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a83100 r4:86a83100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a83100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebd5de28 r4:86860200 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86860200 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a83100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea4e1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86866b98 r4:86866b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86866b98 r4:86714780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867147b0 r8:86a83100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd21e88 r8:86714800 r7:86714780 r6:80277df8 r5:86a83100 r4:86860b40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebd5dfb0 to 0xebd5dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86860b40 INFO: task kworker/0:319:5019 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r10:00000000 r9:86714430 r8:86a81880 r7:82a03d80 r6:dddd1020 r5:dddd1000 INFO: task kworker/0:320:5023 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aef94000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:321:5025 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:321 state:D stack:0 pid:5025 tgid:5025 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea56dda4 r9:ea56ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a80c40 r4:86a80c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a80c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) r4:86875f00 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) r10:dddd1000 r9:867141b0 r8:86a80000 r7:82a03d80 r6:dddd1020 r5:dddd1000 task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:323:5028 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:323 state:D stack:0 pid:5028 tgid:5028 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebd79da4 r9:ebd79dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8607ee40 r4:8607ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607ee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebd79e28 r4:86aaae40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aaae40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f033000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea6ad000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2b798 r4:86a2b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2b798 r4:86714000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86714030 r8:8607ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea58de88 r8:867f4f80 r7:86714000 r6:80277df8 r5:8607ee40 r4:8676ad00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebd79fb0 to 0xebd79ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8676ad00 INFO: task kworker/0:323:5028 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: afffd000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:324:5029 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:324 state:D stack:0 pid:5029 tgid:5029 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea59dda4 r9:ea59ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607e200 r4:8607e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea59de28 r4:86860040 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86860040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f031000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea5e7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86866398 r4:86866398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86866398 r4:867f4e80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:867f4eb0 r8:8607e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867f4e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd79e88 r8:867f4e00 r7:867f4e80 r6:80277df8 r5:8607e200 r4:86742400 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea59dfb0 to 0xea59dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86742400 INFO: task kworker/0:324:5029 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: afffd000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:325:5033 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:325 state:D stack:0 pid:5033 tgid:5033 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea70dda4 r9:ea70ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607d5c0 r4:8607d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607d5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea70de28 r4:86aaaac0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aaaac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f035000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea70f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86867398 r4:86867398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86867398 r4:867f4d00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867f4d30 r8:8607d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867f4d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd79e88 r8:867f4c80 r7:867f4d00 r6:80277df8 r5:8607d5c0 r4:86860d80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea70dfb0 to 0xea70dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86860d80 INFO: task kworker/0:325:5033 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:326:5035 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:326 state:D stack:0 pid:5035 tgid:5035 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea771da4 r9:ea771dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607c980 r4:8607c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea771e28 r4:86712640 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f039000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea817000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2ab98 r4:86a2ab98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2ab98 r4:8687a600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a630 r8:8607c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea70de88 r8:867f4b80 r7:8687a600 r6:80277df8 r5:8607c980 r4:86aaaf40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea771fb0 to 0xea771ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 Workqueue: events bpf_prog_free_deferred r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:867d62c0 r5:868d1798 r4:868d1798 r4:867d6680 Exception stack(0xeac49fb0 to 0xeac49ff8) task:kworker/0:327 state:D stack:0 pid:5036 tgid:5036 ppid:2 task_flags:0x4208060 flags:0x00000000 Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea785da4 r9:ea785dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607bd40 r4:8607bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607bd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea785e28 r4:86aaa9c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aaa9c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607bd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f037000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea739000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2b398 r4:86a2b398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2b398 r4:867f4a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867f4ab0 r8:8607bd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867f4a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea771e88 r8:86739500 r7:867f4a80 r6:80277df8 r5:8607bd40 r4:86aaad80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea785fb0 to 0xea785ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aaad80 INFO: task kworker/0:327:5036 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0656000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) INFO: task kworker/0:328:5039 is blocked on a mutex likely owned by task kworker/0:274:4928. r5:80000013 r4:80239788 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:329:5041 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:329 state:D stack:0 pid:5041 tgid:5041 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea8adda4 r9:ea8addac r8:00000002 r7:60000113 r6:82cd9e0c r5:86aa4980 r4:86aa4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86aa4980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8ade28 r4:86712440 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86aa4980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f03b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea851000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2af98 r4:86a2af98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2af98 r4:86739200 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:867d62c0 r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) INFO: task kworker/0:330:5043 is blocked on a mutex likely owned by task kworker/0:274:4928. r5:80000013 r4:80239788 r4:eac49de0 [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r5:86aa3100 r4:82cd9e08 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86aa3100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f03f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea933000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86944b98 r4:86944b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86944b98 r4:86775f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86775f30 r8:86aa3100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea915e88 r8:86775e80 r7:86775f00 r6:80277df8 r5:86aa3100 r4:867e24c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea919fb0 to 0xea919ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867e24c0 INFO: task kworker/0:331:5044 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:332:5047 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:332 state:D stack:0 pid:5047 tgid:5047 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea9a5da4 r9:ea9a5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86aa24c0 r4:86aa24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86aa24c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a5e28 r4:86712180 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86aa24c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f041000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea96d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a29f98 r4:86a29f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a29f98 r4:86775d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r5:80000013 r4:80239788 r4:eac49de0 r5:868d1798 r4:868d1798 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 task:kworker/0:333 state:D stack:0 pid:5048 tgid:5048 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea9a9da4 r9:ea9a9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86aa1880 r4:86aa1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86aa1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a9e28 r4:8683ee40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8683ee40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86aa1880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f045000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea9c7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2a398 r4:86a2a398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2a398 r4:86775c00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86775c30 r8:86aa1880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775c00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea915e88 r8:86775b80 r7:86775c00 r6:80277df8 r5:86aa1880 r4:86875980 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9a9fb0 to 0xea9a9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86875980 INFO: task kworker/0:333:5048 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r4:86076e40 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r10:00000000 r9:ea9a9e88 r8:8687a680 r7:8687a580 r6:80277df8 r5:86076e40 r4:00000000 r5:80000013 r4:80239788 r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r9:86aa0c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f047000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eaa6d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a29798 r4:86a29798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a29798 r4:86775a00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86775a30 r8:86aa0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea9ede88 r8:86775980 r7:86775a00 r6:80277df8 r5:86aa0c40 r4:86742dc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9f1fb0 to 0xea9f1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86742dc0 INFO: task kworker/0:335:5051 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r10:eab09da4 r9:eab09dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a9ee40 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab09e28 r4:8683e580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8683e580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f04d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eabaf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a29b98 r4:86a29b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a29b98 r4:86775800 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86775830 r8:86a9ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775800 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea9ede88 r8:86775780 r7:86775800 r6:80277df8 r5:86a9ee40 r4:8683ec40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab09fb0 to 0xeab09ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683ec40 INFO: task kworker/0:336:5054 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:337:5056 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:337 state:D stack:0 pid:5056 tgid:5056 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eab11da4 r9:eab11dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a9e200 r4:86a9e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab11e28 r4:8683e880 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8683e880 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f04b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eab01000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d0798 r4:868d0798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d0798 r4:86775680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867756b0 r8:86a9e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eab09e88 r8:86775600 r7:86775680 r6:80277df8 r5:86a9e200 r4:86995c00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab11fb0 to 0xeab11ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86995c00 INFO: task kworker/0:337:5056 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:338:5057 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:338 state:D stack:0 pid:5057 tgid:5057 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eab69da4 r9:eab69dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86aa0000 r4:86aa0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86aa0000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab69e28 r4:8683e0c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r5:86a28798 r4:86a28798 Exception stack(0xeab69fb0 to 0xeab69ff8) [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) r5:80000013 r4:80239788 r4:867d62c0 r5:868d1798 r4:868d1798 Exception stack(0xeac49fb0 to 0xeac49ff8) "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabcde28 r4:8683e380 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8683e380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f04f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eac19000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a28b98 r4:86a28b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a28b98 r4:86775400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86775430 r8:86a9d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eab69e88 r8:86775380 r7:86775400 r6:80277df8 r5:86a9d5c0 r4:8683e600 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeabcdfb0 to 0xeabcdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683e600 INFO: task kworker/0:339:5059 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:340:5062 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:340 state:D stack:0 pid:5062 tgid:5062 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eacf9da4 r9:eacf9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607b100 r4:8607b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607b100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacf9e28 r4:8694df00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694df00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607b100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eacb3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a28398 r4:86a28398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a28398 r4:8687a700 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a730 r8:8607b100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eab69e88 r8:86714500 r7:8687a700 r6:80277df8 r5:8607b100 r4:8683e680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeacf9fb0 to 0xeacf9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683e680 INFO: task kworker/0:340:5062 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:341:5064 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:341 state:D stack:0 pid:5064 tgid:5064 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eacfdda4 r9:eacfddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a824c0 r4:86a824c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a824c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacfde28 r4:868f6580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a824c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f057000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb97f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a28f98 r4:86a28f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a28f98 r4:86775200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86775230 r8:86a824c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eacf9e88 r8:86775180 r7:86775200 r6:80277df8 r5:86a824c0 r4:867abbc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeacfdfb0 to 0xeacfdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867abbc0 INFO: task kworker/0:341:5064 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:342:5065 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:342 state:D stack:0 pid:5065 tgid:5065 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ead05da4 r9:ead05dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a9c980 r4:86a9c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead05e28 r4:8694db80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694db80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f055000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eafeb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86864b98 r4:86864b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86864b98 r4:86775080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867750b0 r8:86a9c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eacfde88 r8:86775000 r7:86775080 r6:80277df8 r5:86a9c980 r4:867abe80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xead05fb0 to 0xead05ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867abe80 INFO: task kworker/0:342:5065 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:343:5068 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:343 state:D stack:0 pid:5068 tgid:5068 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb989da4 r9:eb989dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86076200 r4:86076200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86076200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb989e28 r4:86919080 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86919080 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86076200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eba13000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86864398 r4:86864398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86864398 r4:8687a480 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a4b0 r8:86076200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a480 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eacfde88 r8:867aae80 r7:8687a480 r6:80277df8 r5:86076200 r4:8683e5c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb989fb0 to 0xeb989ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683e5c0 INFO: task kworker/0:343:5068 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:344:5069 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:344 state:D stack:0 pid:5069 tgid:5069 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb991da4 r9:eb991dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a9bd40 r4:86a9bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9bd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb991e28 r4:868f6500 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6500 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9bd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f059000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb9ed000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86947f98 r4:86947f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86947f98 r4:867aaf00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:867aaf30 r8:86a9bd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aaf00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb989e88 r8:867aad80 r7:867aaf00 r6:80277df8 r5:86a9bd40 r4:8694dc00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb991fb0 to 0xeb991ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8694dc00 INFO: task kworker/0:344:5069 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:345:5072 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:345 state:D stack:0 pid:5072 tgid:5072 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eba1dda4 r9:eba1ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a9b100 r4:86a9b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9b100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba1de28 r4:86aa9fc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9fc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9b100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a3000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebdb3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867cef98 r4:867cef98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867cef98 r4:867aac80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aacb0 r8:86a9b100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aac80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb989e88 r8:867aac00 r7:867aac80 r6:80277df8 r5:86a9b100 r4:86aaaa00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeba1dfb0 to 0xeba1dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aaaa00 INFO: task kworker/0:345:5072 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:346:5074 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:346 state:D stack:0 pid:5074 tgid:5074 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ead6dda4 r9:ead6ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a9a4c0 r4:86a9a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9a4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead6de28 r4:8694d900 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694d900 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9a4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eba87000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86947798 r4:86947798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86947798 r4:867aab00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aab30 r8:86a9a4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aab00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eba1de88 r8:867aaa80 r7:867aab00 r6:80277df8 r5:86a9a4c0 r4:86860640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xead6dfb0 to 0xead6dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86860640 INFO: task kworker/0:346:5074 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:347:5076 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:347 state:D stack:0 pid:5076 tgid:5076 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eba9dda4 r9:eba9ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:860755c0 r4:860755c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860755c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba9de28 r4:867d6ec0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d6ec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eba8f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868afb98 r4:868afb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868afb98 r4:8687a380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687a3b0 r8:860755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ead6de88 r8:867aa980 r7:8687a380 r6:80277df8 r5:860755c0 r4:86aaa100 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeba9dfb0 to 0xeba9dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aaa100 INFO: task kworker/0:347:5076 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:348:5077 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:348 state:D stack:0 pid:5077 tgid:5077 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebae9da4 r9:ebae9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a99880 r4:86a99880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a99880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebae9e28 r4:868f6180 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a99880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebdcf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86947398 r4:86947398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86947398 r4:867aa880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa8b0 r8:86a99880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eba1de88 r8:867aa800 r7:867aa880 r6:80277df8 r5:86a99880 r4:8683ed80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebae9fb0 to 0xebae9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683ed80 INFO: task kworker/0:348:5077 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:349:5082 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:349 state:D stack:0 pid:5082 tgid:5082 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebd95da4 r9:ebd95dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a98000 r4:86a98000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a98000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebd95e28 r4:868f61c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f61c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a98000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f067000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfacf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86946b98 r4:86946b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86946b98 r4:867aa680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa6b0 r8:86a98000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebae9e88 r8:867aa700 r7:867aa680 r6:80277df8 r5:86a98000 r4:86aa9f40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebd95fb0 to 0xebd95ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9f40 INFO: task kworker/0:349:5082 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:350:5083 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:350 state:D stack:0 pid:5083 tgid:5083 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfa35da4 r9:dfa35dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a96e40 r4:86a96e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a96e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa35e28 r4:868f5f80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5f80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a96e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f061000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:df9ff000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86946f98 r4:86946f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86946f98 r4:867aa500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa530 r8:86a96e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd95e88 r8:867aa480 r7:867aa500 r6:80277df8 r5:86a96e40 r4:86aa9f40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa35fb0 to 0xdfa35ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9f40 INFO: task kworker/0:350:5083 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:351:5084 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:351 state:D stack:0 pid:5084 tgid:5084 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfa39da4 r9:dfa39dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a96200 r4:86a96200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a96200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa39e28 r4:86aa9b40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9b40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a96200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f065000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfaab000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867cf798 r4:867cf798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867cf798 r4:867aa380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:867aa3b0 r8:86a96200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd95e88 r8:867aa300 r7:867aa380 r6:80277df8 r5:86a96200 r4:86aa9f40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa39fb0 to 0xdfa39ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9f40 INFO: task kworker/0:351:5084 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:352:5087 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:352 state:D stack:0 pid:5087 tgid:5087 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eba71da4 r9:eba71dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a955c0 r4:86a955c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a955c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba71e28 r4:86aa9980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a955c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc8b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86945b98 r4:86945b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86945b98 r4:867aa200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa230 r8:86a955c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd95e88 r8:867aa180 r7:867aa200 r6:80277df8 r5:86a955c0 r4:86aaa000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeba71fb0 to 0xeba71ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aaa000 INFO: task kworker/0:352:5087 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:353:5090 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:353 state:D stack:0 pid:5090 tgid:5090 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbe1da4 r9:dfbe1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86074980 r4:86074980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86074980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbe1e28 r4:868f5e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86074980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f069000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb95000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86945f98 r4:86945f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86945f98 r4:8687a400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687a430 r8:86074980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eba71e88 r8:867aa000 r7:8687a400 r6:80277df8 r5:86074980 r4:8694de80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbe1fb0 to 0xdfbe1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8694de80 INFO: task kworker/0:353:5090 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:354:5091 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:354 state:D stack:0 pid:5091 tgid:5091 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaec9da4 r9:eaec9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a93d40 r4:86a93d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a93d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaec9e28 r4:868f5840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a93d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f071000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e008b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86945398 r4:86945398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86945398 r4:86773f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773f30 r8:86a93d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eba71e88 r8:86773e80 r7:86773f00 r6:80277df8 r5:86a93d40 r4:867698c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaec9fb0 to 0xeaec9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867698c0 INFO: task kworker/0:354:5091 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:355:5092 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:355 state:D stack:0 pid:5092 tgid:5092 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbf1da4 r9:dfbf1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a93100 r4:86a93100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a93100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbf1e28 r4:86aa9880 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9880 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a93100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb9d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867ce398 r4:867ce398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867ce398 r4:86773d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86773db0 r8:86a93100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaec9e88 r8:86773d00 r7:86773d80 r6:80277df8 r5:86a93100 r4:867698c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbf1fb0 to 0xdfbf1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867698c0 INFO: task kworker/0:355:5092 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:356:5095 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:356 state:D stack:0 pid:5095 tgid:5095 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dffedda4 r9:dffeddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a94980 r4:86a94980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a94980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dffede28 r4:868f5ac0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5ac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a94980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dffa0000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86946398 r4:86946398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86946398 r4:86773b80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773bb0 r8:86a94980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773b80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaec9e88 r8:86773b00 r7:86773b80 r6:80277df8 r5:86a94980 r4:86aa9780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdffedfb0 to 0xdffedff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9780 INFO: task kworker/0:356:5095 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:357:5096 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:357 state:D stack:0 pid:5096 tgid:5096 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0021da4 r9:e0021dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a924c0 r4:86a924c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a924c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0021e28 r4:86aa95c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa95c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a924c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f073000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e00b9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864f9f98 r4:864f9f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864f9f98 r4:86773c00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773c30 r8:86a924c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773c00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dffede88 r8:867aa080 r7:86773c00 r6:80277df8 r5:86a924c0 r4:86aa9780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0021fb0 to 0xe0021ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9780 INFO: task kworker/0:357:5096 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:358:5099 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:358 state:D stack:0 pid:5099 tgid:5099 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e012dda4 r9:e012ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a91880 r4:86a91880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a91880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e012de28 r4:868f5680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a91880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f075000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e013f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86911f98 r4:86911f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86911f98 r4:86773980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867739b0 r8:86a91880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0021e88 r8:86773900 r7:86773980 r6:80277df8 r5:86a91880 r4:868f5f00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe012dfb0 to 0xe012dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f5f00 INFO: task kworker/0:358:5099 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:359:5101 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:359 state:D stack:0 pid:5101 tgid:5101 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0129da4 r9:e0129dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a90c40 r4:86a90c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a90c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0129e28 r4:868f5480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a90c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f077000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e420f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86911b98 r4:86911b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86911b98 r4:86773800 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773830 r8:86a90c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773800 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e012de88 r8:86773780 r7:86773800 r6:80277df8 r5:86a90c40 r4:867339c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0129fb0 to 0xe0129ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867339c0 INFO: task kworker/0:359:5101 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:360:5103 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:360 state:D stack:0 pid:5103 tgid:5103 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e4215da4 r9:e4215dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a98c40 r4:86a98c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a98c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4215e28 r4:868f5200 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5200 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a98c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e82db000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86911798 r4:86911798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86911798 r4:867aa600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa630 r8:86a98c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0129e88 r8:86773680 r7:867aa600 r6:80277df8 r5:86a98c40 r4:868f58c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4215fb0 to 0xe4215ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f58c0 INFO: task kworker/0:360:5103 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:361:5106 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:361 state:D stack:0 pid:5106 tgid:5106 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea309da4 r9:ea309dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b424c0 r4:86b424c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b424c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea309e28 r4:86aa9440 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b424c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f079000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e82c9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86945798 r4:86945798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86945798 r4:86773500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86773530 r8:86b424c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e4215e88 r8:86773480 r7:86773500 r6:80277df8 r5:86b424c0 r4:868f6100 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea309fb0 to 0xea309ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f6100 INFO: task kworker/0:361:5106 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:362:5107 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:362 state:D stack:0 pid:5107 tgid:5107 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea305da4 r9:ea305dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b41880 r4:86b41880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b41880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea305e28 r4:86712b80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712b80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b41880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f081000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ead55000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a32f98 r4:86a32f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a32f98 r4:86773380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867733b0 r8:86b41880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e4215e88 r8:86773300 r7:86773380 r6:80277df8 r5:86b41880 r4:867337c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea305fb0 to 0xea305ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867337c0 INFO: task kworker/0:362:5107 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:363:5109 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:363 state:D stack:0 pid:5109 tgid:5109 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea355da4 r9:ea355dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86b40c40 r4:86b40c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b40c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea355e28 r4:86712f00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712f00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b40c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea35d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86911398 r4:86911398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86911398 r4:86773000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86773030 r8:86b40c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea305e88 r8:869eff80 r7:86773000 r6:80277df8 r5:86b40c40 r4:868f5400 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea355fb0 to 0xea355ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f5400 INFO: task kworker/0:363:5109 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:364:5112 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:364 state:D stack:0 pid:5112 tgid:5112 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eae25da4 r9:eae25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b40000 r4:86b40000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b40000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae25e28 r4:86712d00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712d00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b40000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea713000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86910f98 r4:86910f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86910f98 r4:86773080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867730b0 r8:86b40000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea305e88 r8:86773100 r7:86773080 r6:80277df8 r5:86b40000 r4:86712f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae25fb0 to 0xeae25ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86712f80 INFO: task kworker/0:364:5112 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:365:5113 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:365 state:D stack:0 pid:5113 tgid:5113 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eae2dda4 r9:eae2ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b3ee40 r4:86b3ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3ee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae2de28 r4:86712800 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712800 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f085000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eae81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86910798 r4:86910798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86910798 r4:86773200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773230 r8:86b3ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea305e88 r8:869efe80 r7:86773200 r6:80277df8 r5:86b3ee40 r4:86939cc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae2dfb0 to 0xeae2dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86939cc0 INFO: task kworker/0:365:5113 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:366:5114 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:366 state:D stack:0 pid:5114 tgid:5114 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eae31da4 r9:eae31dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86b3e200 r4:86b3e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae31e28 r4:8697e2c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8697e2c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f083000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eadf7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86912398 r4:86912398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86912398 r4:869efd80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:869efdb0 r8:86b3e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869efd80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eae2de88 r8:869efd00 r7:869efd80 r6:80277df8 r5:86b3e200 r4:86939cc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae31fb0 to 0xeae31ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86939cc0 INFO: task kworker/0:366:5114 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:367:5117 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:367 state:D stack:0 pid:5117 tgid:5117 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eae91da4 r9:eae91dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a90000 r4:86a90000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a90000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae91e28 r4:86ad6100 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad6100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a90000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f089000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eaf2f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867ceb98 r4:867ceb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867ceb98 r4:86773580 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867735b0 r8:86a90000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eae2de88 r8:8687a300 r7:86773580 r6:80277df8 r5:86a90000 r4:8693a400 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae91fb0 to 0xeae91ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8693a400 INFO: task kworker/0:367:5117 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:368:5119 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:368 state:D stack:0 pid:5119 tgid:5119 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaf01da4 r9:eaf01dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b3d5c0 r4:86b3d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3d5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf01e28 r4:86ad6240 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad6240 [<805238c8>] (vf <> ] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:869951c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfbc7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8645bb98 r4:8645bb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8645bb98 r4:869ef680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:869ef6b0 r8:86a1ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869ef680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc55e88 r8:869ef600 r7:869ef680 r6:80277df8 r5:86a1ee40 r4:8691c000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc79fb0 to 0xdfc79ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8691c000 INFO: task kworker/0:284:4950 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aa19b000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:285:4951 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:285 state:D stack:0 pid:4951 tgid:4951 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc69da4 r9:dfc69dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a1e200 r4:86a1e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc69e28 r4:86995040 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86995040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc0d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cf398 r4:868cf398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cf398 r4:869ef500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:869ef530 r8:86a1e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869ef500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc79e88 r8:869ef480 r7:869ef500 r6:80277df8 r5:86a1e200 r4:8691c000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc69fb0 to 0xdfc69ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8691c000 INFO: task kworker/0:285:4951 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aa19b000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:286:4953 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:286 state:D stack:0 pid:4953 tgid:4953 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc7dda4 r9:dfc7ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a1d5c0 r4:86a1d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1d5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc7de28 r4:8693a940 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a940 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f071000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0017000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cd798 r4:868cd798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cd798 r4:869ef380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:869ef3b0 r8:86a1d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869ef380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc69e88 r8:869ef300 r7:869ef380 r6:80277df8 r5:86a1d5c0 r4:869952c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc7dfb0 to 0xdfc7dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869952c0 INFO: task kworker/0:286:4953 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aa87f000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:287:4954 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:287 state:D stack:0 pid:4954 tgid:4954 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc81da4 r9:dfc81dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a71880 r4:86a71880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a71880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc81e28 r4:867e2e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867e2e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a71880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc9b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cdb98 r4:868cdb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cdb98 r4:86868000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86868030 r8:86a71880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc7de88 r8:869ef200 r7:86868000 r6:80277df8 r5:86a71880 r4:86995340 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc81fb0 to 0xdfc81ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86995340 INFO: task kworker/0:287:4954 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aac57000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:288:4957 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:288 state:D stack:0 pid:4957 tgid:4957 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0055da4 r9:e0055dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86053100 r4:86053100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86053100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0055e28 r4:86995e40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86995e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86053100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f075000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0155000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86865f98 r4:86865f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86865f98 r4:8687ad00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687ad30 r8:86053100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687ad00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc7de88 r8:8687ac00 r7:8687ad00 r6:80277df8 r5:86053100 r4:86876200 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0055fb0 to 0xe0055ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86876200 INFO: task kworker/0:288:4957 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aad4a000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:289:4959 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:289 state:D stack:0 pid:4959 tgid:4959 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0119da4 r9:e0119dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86050c40 r4:86050c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86050c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0119e28 r4:8693a740 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a740 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86050c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f073000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e00b7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cd398 r4:868cd398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cd398 r4:8687ab80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687abb0 r8:86050c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687ab80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0055e88 r8:869ef080 r7:8687ab80 r6:80277df8 r5:86050c40 r4:8693a9c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0119fb0 to 0xe0119ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8693a9c0 INFO: task kworker/0:289:4959 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aad4a000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:290:4962 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:290 state:D stack:0 pid:4962 tgid:4962 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e014dda4 r9:e014ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a1c980 r4:86a1c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e014de28 r4:8693a580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f077000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e015d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868ccf98 r4:868ccf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868ccf98 r4:86783f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783f30 r8:86a1c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0055e88 r8:86783e80 r7:86783f00 r6:80277df8 r5:86a1c980 r4:8676ee80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe014dfb0 to 0xe014dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8676ee80 INFO: task kworker/0:290:4962 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab094000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:291:4963 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:291 state:D stack:0 pid:4963 tgid:4963 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0121da4 r9:e0121dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a1bd40 r4:86a1bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1bd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0121e28 r4:8693a480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1bd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f079000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e4249000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868ccb98 r4:868ccb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868ccb98 r4:86783d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783db0 r8:86a1bd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e014de88 r8:86783d00 r7:86783d80 r6:80277df8 r5:86a1bd40 r4:867693c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0121fb0 to 0xe0121ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867693c0 INFO: task kworker/0:291:4963 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab094000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:292:4966 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:292 state:D stack:0 pid:4966 tgid:4966 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea319da4 r9:ea319dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86051880 r4:86051880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86051880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea319e28 r4:86939f00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86939f00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86051880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f081000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea399000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86944398 r4:86944398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86944398 r4:86783f80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783fb0 r8:86051880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0121e88 r8:86783b80 r7:86783f80 r6:80277df8 r5:86051880 r4:866c7dc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea319fb0 to 0xea319ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:866c7dc0 INFO: task kworker/0:292:4966 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab258000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:293:4968 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:293 state:D stack:0 pid:4968 tgid:4968 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e4271da4 r9:e4271dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a1a4c0 r4:86a1a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1a4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4271e28 r4:86aaa980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aaa980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1a4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e82a3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86865b98 r4:86865b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86865b98 r4:86783a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783ab0 r8:86a1a4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea319e88 r8:86783a00 r7:86783a80 r6:80277df8 r5:86a1a4c0 r4:8676a840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4271fb0 to 0xe4271ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8676a840 INFO: task kworker/0:293:4968 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab40f000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:294:4969 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:294 state:D stack:0 pid:4969 tgid:4969 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea31dda4 r9:ea31ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a19880 r4:86a19880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a19880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea31de28 r4:8693a100 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693a100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a19880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea335000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868cdf98 r4:868cdf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868cdf98 r4:86783900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86783930 r8:86a19880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea319e88 r8:86783880 r7:86783900 r6:80277df8 r5:86a19880 r4:86876600 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea31dfb0 to 0xea31dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86876600 INFO: task kworker/0:294:4969 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab602000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:295:4971 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:295 state:D stack:0 pid:4971 tgid:4971 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea331da4 r9:ea331dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a1b100 r4:86a1b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a1b100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea331e28 r4:86742c40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86742c40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a1b100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea325000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868c2b98 r4:868c2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868c2b98 r4:86783c00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86783c30 r8:86a1b100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783c00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea31de88 r8:86783780 r7:86783c00 r6:80277df8 r5:86a1b100 r4:8684ba80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea331fb0 to 0xea331ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8684ba80 INFO: task kworker/0:295:4971 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab602000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:296:4973 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:296 state:D stack:0 pid:4973 tgid:4973 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:df9d1da4 r9:df9d1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a18c40 r4:86a18c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a18c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9d1e28 r4:86939c40 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86939c40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a18c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f085000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ead9b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d0b98 r4:868d0b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d0b98 r4:86783680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867836b0 r8:86a18c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86783680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea319e88 r8:86783600 r7:86783680 r6:80277df8 r5:86a18c40 r4:86733780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9d1fb0 to 0xdf9d1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86733780 INFO: task kworker/0:296:4973 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ab9bd000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r5:00001000 r4:eb983000 r4:867d6680 task:kworker/0:297 state:D stack:0 pid:4976 tgid:4976 ppid:2 task_flags:0x4208060 flags:0x00000000 r4:86939e00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86939e00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8696ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f083000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ead61000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86944798 r4:86944798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86944798 r4:8687aa80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687aab0 r8:8696ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687aa80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r4:eac49de0 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) r10:dddd1000 r9:86783430 r8:86a18000 r7:82a03d80 r6:dddd1020 r5:dddd1000 Call trace: r5:80000013 r4:80239788 [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 task:kworker/0:299 state:D stack:0 pid:4978 tgid:4978 ppid:2 task_flags:0x4208060 flags:0x00000000 [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:300:4981 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:300 state:D stack:0 pid:4981 tgid:4981 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred r5:86a8e200 r4:82cd9e08 r4:86939780 r7:dddd1000 r6:8302b000 r5:86a33798 r4:86783080 task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 r10:dddd1000 r9:86783130 r8:86a8ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r5:80000013 r4:80239788 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 Workqueue: events bpf_prog_free_deferred r4:86808d80 9d80: 802306b0 80239788 80000013 ffffffff [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf65e28 Exception stack(0xeaf65fb0 to 0xeaf65ff8) r5:80000013 r4:80239788 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:304:4989 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:304 state:D stack:0 pid:4989 tgid:4989 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eafc1da4 r9:eafc1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86079880 r4:86079880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86079880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafc1e28 r4:8675e000 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8675e000 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86079880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f093000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb029000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a32398 r4:86a32398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a32398 r4:8687a880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a8b0 r8:86079880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaf65e88 r8:8687ab00 r7:8687a880 r6:80277df8 r5:86079880 r4:86939700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeafc1fb0 to 0xeafc1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86939700 INFO: task kworker/0:304:4989 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ac8f1000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:867d6680 r4:86050000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) Workqueue: events bpf_prog_free_deferred r5:80000013 r4:80239788 r4:eac49de0 r5:00001000 r4:eb983000 r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 INFO: task kworker/0:306:4993 blocked for more than 430 seconds. [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) r7:dddd1000 r6:8302b000 r5:86a31b98 r4:86808900 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 r4:eac49de0 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:307:4994 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:307 state:D stack:0 pid:4994 tgid:4994 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb0a5da4 r9:eb0a5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8696e200 r4:8696e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8696e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0a5e28 r4:867d6fc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d6fc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8696e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f097000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb0b7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a31f98 r4:86a31f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a31f98 r4:8687a900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687a930 r8:8696e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eafe5e88 r8:86808780 r7:8687a900 r6:80277df8 r5:8696e200 r4:867a16c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb0a5fb0 to 0xeb0a5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867a16c0 INFO: task kworker/0:307:4994 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: acc69000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0fde28 r5:86a31398 r4:86a31398 Exception stack(0xeb0fdfb0 to 0xeb0fdff8) r4:00000000 r5:80000013 r4:80239788 r4:eac49de0 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:309:4999 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:309 state:D stack:0 pid:4999 tgid:4999 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebb15da4 r9:ebb15dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86078000 r4:86078000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86078000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb15e28 r4:8694d700 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694d700 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86078000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f09d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebb57000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a30f98 r4:86a30f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a30f98 r4:8687a780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a7b0 r8:86078000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb0fde88 r8:86808500 r7:8687a780 r6:80277df8 r5:86078000 r4:867d6d80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebb15fb0 to 0xebb15ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6d80 INFO: task kworker/0:309:4999 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ace43000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:310:5000 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:310 state:D stack:0 pid:5000 tgid:5000 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebb2dda4 r9:ebb2ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a8a4c0 r4:86a8a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a8a4c0 r4:82cd9e08 r4:86aaa540 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r5:80000013 r4:80239788 r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:311:5004 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:311 state:D stack:0 pid:5004 tgid:5004 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebbb1da4 r9:ebbb1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a88c40 r4:86a88c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a88c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbb1e28 r4:8694d480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694d480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a88c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a1000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebbad000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a30b98 r4:86a30b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a30b98 r4:86808200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86808230 r8:86a88c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86808200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebb2de88 r8:86808180 r7:86808200 r6:80277df8 r5:86a88c40 r4:8670b700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebbb1fb0 to 0xebbb1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8670b700 INFO: task kworker/0:311:5004 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ad7df000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:312:5005 blocked for more than 430 seconds. Workqueue: events bpf_prog_free_deferred [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebc4f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a30398 r4:86a30398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a30398 r4:86808080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:868080b0 r8:86a88000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86808080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebbb1e88 r8:86808000 r7:86808080 r6:80277df8 r5:86a88000 r4:8670b700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebbb9fb0 to 0xebbb9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8670b700 INFO: task kworker/0:312:5005 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ad7df000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694d180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a86e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a9000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebbed000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a30798 r4:86a30798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a30798 r4:86714f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86714f30 r8:86a86e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebbb9e88 r8:86714e80 r7:86714f00 r6:80277df8 r5:86a86e40 r4:8670b700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebbbdfb0 to 0xebbbdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8670b700 INFO: task kworker/0:313:5006 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:867d62c0 r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) r7:dddd1000 r6:8302b000 r5:8630ab98 r4:86808400 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 r4:eac49de0 r5:00001000 r4:eb983000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) Call trace: [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:dddd1000 r9:86714cb0 r8:86a86200 r7:82a03d80 r6:dddd1020 r5:dddd1000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86836280 INFO: task kworker/0:315:5011 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ae390000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:316:5014 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:316 state:D stack:0 pid:5014 tgid:5014 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebcadda4 r9:ebcaddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a855c0 r4:86a855c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a855c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebcade28 r4:86860cc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86860cc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a855c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0af000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebca3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86867f98 r4:86867f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86867f98 r4:86714b00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86714b30 r8:86a855c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714b00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebabde88 r8:86714a80 r7:86714b00 r6:80277df8 r5:86a855c0 r4:867a12c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebcadfb0 to 0xebcadff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867a12c0 INFO: task kworker/0:316:5014 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ae390000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) INFO: task kworker/0:317:5016 is blocked on a mutex likely owned by task kworker/0:274:4928. r5:80000013 r4:80239788 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:318:5017 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:318 state:D stack:0 pid:5017 tgid:5017 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebd21da4 r9:ebd21dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a83d40 r4:86a83d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a83d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebd21e28 r4:8676ab00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8676ab00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a83d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0b5000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebd55000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a32798 r4:86a32798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a32798 r4:86714700 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86714730 r8:86a83d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebabde88 r8:86714680 r7:86714700 r6:80277df8 r5:86a83d40 r4:86860c00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebd21fb0 to 0xebd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86860c00 INFO: task kworker/0:318:5017 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: ae959000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:eac49de0 [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 INFO: task kworker/0:319:5019 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:319 state:D stack:0 pid:5019 tgid:5019 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebd5dda4 r9:ebd5ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a83100 r4:86a83100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a83100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebd5de28 r4:86860200 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86860200 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a83100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea4e1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86866b98 r4:86866b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86866b98 r4:86714780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867147b0 r8:86a83100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd21e88 r8:86714800 r7:86714780 r6:80277df8 r5:86a83100 r4:86860b40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebd5dfb0 to 0xebd5dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86860b40 INFO: task kworker/0:319:5019 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r10:00000000 r9:86714430 r8:86a81880 r7:82a03d80 r6:dddd1020 r5:dddd1000 INFO: task kworker/0:320:5023 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: aef94000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:321:5025 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:321 state:D stack:0 pid:5025 tgid:5025 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea56dda4 r9:ea56ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a80c40 r4:86a80c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a80c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) r4:86875f00 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) r10:dddd1000 r9:867141b0 r8:86a80000 r7:82a03d80 r6:dddd1020 r5:dddd1000 task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:323:5028 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:323 state:D stack:0 pid:5028 tgid:5028 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebd79da4 r9:ebd79dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8607ee40 r4:8607ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607ee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebd79e28 r4:86aaae40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aaae40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f033000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea6ad000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2b798 r4:86a2b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2b798 r4:86714000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86714030 r8:8607ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86714000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea58de88 r8:867f4f80 r7:86714000 r6:80277df8 r5:8607ee40 r4:8676ad00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebd79fb0 to 0xebd79ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8676ad00 INFO: task kworker/0:323:5028 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: afffd000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:324:5029 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:324 state:D stack:0 pid:5029 tgid:5029 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea59dda4 r9:ea59ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607e200 r4:8607e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea59de28 r4:86860040 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86860040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f031000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea5e7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86866398 r4:86866398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86866398 r4:867f4e80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:867f4eb0 r8:8607e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867f4e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd79e88 r8:867f4e00 r7:867f4e80 r6:80277df8 r5:8607e200 r4:86742400 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea59dfb0 to 0xea59dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86742400 INFO: task kworker/0:324:5029 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: afffd000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:325:5033 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:325 state:D stack:0 pid:5033 tgid:5033 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea70dda4 r9:ea70ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607d5c0 r4:8607d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607d5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea70de28 r4:86aaaac0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aaaac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f035000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea70f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86867398 r4:86867398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86867398 r4:867f4d00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867f4d30 r8:8607d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867f4d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd79e88 r8:867f4c80 r7:867f4d00 r6:80277df8 r5:8607d5c0 r4:86860d80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea70dfb0 to 0xea70dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86860d80 INFO: task kworker/0:325:5033 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:326:5035 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:326 state:D stack:0 pid:5035 tgid:5035 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea771da4 r9:ea771dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607c980 r4:8607c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea771e28 r4:86712640 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f039000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea817000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2ab98 r4:86a2ab98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2ab98 r4:8687a600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a630 r8:8607c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea70de88 r8:867f4b80 r7:8687a600 r6:80277df8 r5:8607c980 r4:86aaaf40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea771fb0 to 0xea771ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 Workqueue: events bpf_prog_free_deferred r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:867d62c0 r5:868d1798 r4:868d1798 r4:867d6680 Exception stack(0xeac49fb0 to 0xeac49ff8) task:kworker/0:327 state:D stack:0 pid:5036 tgid:5036 ppid:2 task_flags:0x4208060 flags:0x00000000 Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea785da4 r9:ea785dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607bd40 r4:8607bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607bd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea785e28 r4:86aaa9c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aaa9c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607bd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f037000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea739000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2b398 r4:86a2b398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2b398 r4:867f4a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867f4ab0 r8:8607bd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867f4a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea771e88 r8:86739500 r7:867f4a80 r6:80277df8 r5:8607bd40 r4:86aaad80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea785fb0 to 0xea785ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aaad80 INFO: task kworker/0:327:5036 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0656000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) INFO: task kworker/0:328:5039 is blocked on a mutex likely owned by task kworker/0:274:4928. r5:80000013 r4:80239788 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:329:5041 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:329 state:D stack:0 pid:5041 tgid:5041 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea8adda4 r9:ea8addac r8:00000002 r7:60000113 r6:82cd9e0c r5:86aa4980 r4:86aa4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86aa4980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8ade28 r4:86712440 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86aa4980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f03b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea851000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2af98 r4:86a2af98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2af98 r4:86739200 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) r4:867d62c0 r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) INFO: task kworker/0:330:5043 is blocked on a mutex likely owned by task kworker/0:274:4928. r5:80000013 r4:80239788 r4:eac49de0 [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r5:86aa3100 r4:82cd9e08 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86aa3100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f03f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea933000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86944b98 r4:86944b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86944b98 r4:86775f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86775f30 r8:86aa3100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea915e88 r8:86775e80 r7:86775f00 r6:80277df8 r5:86aa3100 r4:867e24c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea919fb0 to 0xea919ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867e24c0 INFO: task kworker/0:331:5044 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:332:5047 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:332 state:D stack:0 pid:5047 tgid:5047 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea9a5da4 r9:ea9a5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86aa24c0 r4:86aa24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86aa24c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a5e28 r4:86712180 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86aa24c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f041000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea96d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a29f98 r4:86a29f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a29f98 r4:86775d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r5:80000013 r4:80239788 r4:eac49de0 r5:868d1798 r4:868d1798 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 task:kworker/0:333 state:D stack:0 pid:5048 tgid:5048 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea9a9da4 r9:ea9a9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86aa1880 r4:86aa1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86aa1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a9e28 r4:8683ee40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8683ee40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86aa1880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f045000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea9c7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2a398 r4:86a2a398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2a398 r4:86775c00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86775c30 r8:86aa1880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775c00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea915e88 r8:86775b80 r7:86775c00 r6:80277df8 r5:86aa1880 r4:86875980 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9a9fb0 to 0xea9a9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86875980 INFO: task kworker/0:333:5048 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r4:86076e40 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r10:00000000 r9:ea9a9e88 r8:8687a680 r7:8687a580 r6:80277df8 r5:86076e40 r4:00000000 r5:80000013 r4:80239788 r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r9:86aa0c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f047000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eaa6d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a29798 r4:86a29798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a29798 r4:86775a00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86775a30 r8:86aa0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea9ede88 r8:86775980 r7:86775a00 r6:80277df8 r5:86aa0c40 r4:86742dc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9f1fb0 to 0xea9f1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86742dc0 INFO: task kworker/0:335:5051 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r10:eab09da4 r9:eab09dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a9ee40 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab09e28 r4:8683e580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8683e580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f04d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eabaf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a29b98 r4:86a29b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a29b98 r4:86775800 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86775830 r8:86a9ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775800 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea9ede88 r8:86775780 r7:86775800 r6:80277df8 r5:86a9ee40 r4:8683ec40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab09fb0 to 0xeab09ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683ec40 INFO: task kworker/0:336:5054 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:337:5056 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:337 state:D stack:0 pid:5056 tgid:5056 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eab11da4 r9:eab11dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a9e200 r4:86a9e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab11e28 r4:8683e880 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8683e880 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f04b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eab01000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d0798 r4:868d0798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d0798 r4:86775680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867756b0 r8:86a9e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eab09e88 r8:86775600 r7:86775680 r6:80277df8 r5:86a9e200 r4:86995c00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab11fb0 to 0xeab11ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86995c00 INFO: task kworker/0:337:5056 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:338:5057 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:338 state:D stack:0 pid:5057 tgid:5057 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eab69da4 r9:eab69dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86aa0000 r4:86aa0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86aa0000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab69e28 r4:8683e0c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r5:86a28798 r4:86a28798 Exception stack(0xeab69fb0 to 0xeab69ff8) [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) r5:80000013 r4:80239788 r4:867d62c0 r5:868d1798 r4:868d1798 Exception stack(0xeac49fb0 to 0xeac49ff8) "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabcde28 r4:8683e380 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8683e380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f04f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eac19000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a28b98 r4:86a28b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a28b98 r4:86775400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86775430 r8:86a9d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eab69e88 r8:86775380 r7:86775400 r6:80277df8 r5:86a9d5c0 r4:8683e600 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeabcdfb0 to 0xeabcdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683e600 INFO: task kworker/0:339:5059 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:340:5062 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:340 state:D stack:0 pid:5062 tgid:5062 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eacf9da4 r9:eacf9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8607b100 r4:8607b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8607b100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacf9e28 r4:8694df00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694df00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8607b100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eacb3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a28398 r4:86a28398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a28398 r4:8687a700 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a730 r8:8607b100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eab69e88 r8:86714500 r7:8687a700 r6:80277df8 r5:8607b100 r4:8683e680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeacf9fb0 to 0xeacf9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683e680 INFO: task kworker/0:340:5062 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:341:5064 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:341 state:D stack:0 pid:5064 tgid:5064 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eacfdda4 r9:eacfddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a824c0 r4:86a824c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a824c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacfde28 r4:868f6580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a824c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f057000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb97f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a28f98 r4:86a28f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a28f98 r4:86775200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86775230 r8:86a824c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eacf9e88 r8:86775180 r7:86775200 r6:80277df8 r5:86a824c0 r4:867abbc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeacfdfb0 to 0xeacfdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867abbc0 INFO: task kworker/0:341:5064 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:342:5065 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:342 state:D stack:0 pid:5065 tgid:5065 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ead05da4 r9:ead05dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a9c980 r4:86a9c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead05e28 r4:8694db80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694db80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f055000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eafeb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86864b98 r4:86864b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86864b98 r4:86775080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867750b0 r8:86a9c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86775080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eacfde88 r8:86775000 r7:86775080 r6:80277df8 r5:86a9c980 r4:867abe80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xead05fb0 to 0xead05ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867abe80 INFO: task kworker/0:342:5065 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:343:5068 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:343 state:D stack:0 pid:5068 tgid:5068 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb989da4 r9:eb989dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86076200 r4:86076200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86076200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb989e28 r4:86919080 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86919080 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86076200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eba13000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86864398 r4:86864398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86864398 r4:8687a480 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8687a4b0 r8:86076200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a480 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eacfde88 r8:867aae80 r7:8687a480 r6:80277df8 r5:86076200 r4:8683e5c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb989fb0 to 0xeb989ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683e5c0 INFO: task kworker/0:343:5068 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:344:5069 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:344 state:D stack:0 pid:5069 tgid:5069 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb991da4 r9:eb991dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a9bd40 r4:86a9bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9bd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb991e28 r4:868f6500 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6500 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9bd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f059000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb9ed000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86947f98 r4:86947f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86947f98 r4:867aaf00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:867aaf30 r8:86a9bd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aaf00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb989e88 r8:867aad80 r7:867aaf00 r6:80277df8 r5:86a9bd40 r4:8694dc00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb991fb0 to 0xeb991ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8694dc00 INFO: task kworker/0:344:5069 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:345:5072 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:345 state:D stack:0 pid:5072 tgid:5072 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eba1dda4 r9:eba1ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a9b100 r4:86a9b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9b100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba1de28 r4:86aa9fc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9fc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9b100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a3000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebdb3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867cef98 r4:867cef98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867cef98 r4:867aac80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aacb0 r8:86a9b100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aac80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb989e88 r8:867aac00 r7:867aac80 r6:80277df8 r5:86a9b100 r4:86aaaa00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeba1dfb0 to 0xeba1dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aaaa00 INFO: task kworker/0:345:5072 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:346:5074 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:346 state:D stack:0 pid:5074 tgid:5074 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ead6dda4 r9:ead6ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a9a4c0 r4:86a9a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a9a4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead6de28 r4:8694d900 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8694d900 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a9a4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eba87000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86947798 r4:86947798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86947798 r4:867aab00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aab30 r8:86a9a4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aab00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eba1de88 r8:867aaa80 r7:867aab00 r6:80277df8 r5:86a9a4c0 r4:86860640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xead6dfb0 to 0xead6dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86860640 INFO: task kworker/0:346:5074 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:347:5076 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:347 state:D stack:0 pid:5076 tgid:5076 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eba9dda4 r9:eba9ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:860755c0 r4:860755c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860755c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba9de28 r4:867d6ec0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d6ec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eba8f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868afb98 r4:868afb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868afb98 r4:8687a380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687a3b0 r8:860755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ead6de88 r8:867aa980 r7:8687a380 r6:80277df8 r5:860755c0 r4:86aaa100 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeba9dfb0 to 0xeba9dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aaa100 INFO: task kworker/0:347:5076 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:348:5077 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:348 state:D stack:0 pid:5077 tgid:5077 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebae9da4 r9:ebae9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a99880 r4:86a99880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a99880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebae9e28 r4:868f6180 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a99880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebdcf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86947398 r4:86947398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86947398 r4:867aa880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa8b0 r8:86a99880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eba1de88 r8:867aa800 r7:867aa880 r6:80277df8 r5:86a99880 r4:8683ed80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebae9fb0 to 0xebae9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683ed80 INFO: task kworker/0:348:5077 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:349:5082 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:349 state:D stack:0 pid:5082 tgid:5082 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebd95da4 r9:ebd95dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a98000 r4:86a98000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a98000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebd95e28 r4:868f61c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f61c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a98000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f067000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfacf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86946b98 r4:86946b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86946b98 r4:867aa680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa6b0 r8:86a98000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebae9e88 r8:867aa700 r7:867aa680 r6:80277df8 r5:86a98000 r4:86aa9f40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebd95fb0 to 0xebd95ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9f40 INFO: task kworker/0:349:5082 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0b67000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:350:5083 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:350 state:D stack:0 pid:5083 tgid:5083 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfa35da4 r9:dfa35dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a96e40 r4:86a96e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a96e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa35e28 r4:868f5f80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5f80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a96e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f061000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:df9ff000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86946f98 r4:86946f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86946f98 r4:867aa500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa530 r8:86a96e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd95e88 r8:867aa480 r7:867aa500 r6:80277df8 r5:86a96e40 r4:86aa9f40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa35fb0 to 0xdfa35ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9f40 INFO: task kworker/0:350:5083 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:351:5084 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:351 state:D stack:0 pid:5084 tgid:5084 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfa39da4 r9:dfa39dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a96200 r4:86a96200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a96200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa39e28 r4:86aa9b40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9b40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a96200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f065000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfaab000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867cf798 r4:867cf798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867cf798 r4:867aa380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:867aa3b0 r8:86a96200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd95e88 r8:867aa300 r7:867aa380 r6:80277df8 r5:86a96200 r4:86aa9f40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa39fb0 to 0xdfa39ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9f40 INFO: task kworker/0:351:5084 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:352:5087 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:352 state:D stack:0 pid:5087 tgid:5087 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eba71da4 r9:eba71dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a955c0 r4:86a955c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a955c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba71e28 r4:86aa9980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a955c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc8b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86945b98 r4:86945b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86945b98 r4:867aa200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa230 r8:86a955c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebd95e88 r8:867aa180 r7:867aa200 r6:80277df8 r5:86a955c0 r4:86aaa000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeba71fb0 to 0xeba71ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aaa000 INFO: task kworker/0:352:5087 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:353:5090 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:353 state:D stack:0 pid:5090 tgid:5090 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbe1da4 r9:dfbe1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86074980 r4:86074980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86074980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbe1e28 r4:868f5e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86074980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f069000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb95000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86945f98 r4:86945f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86945f98 r4:8687a400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687a430 r8:86074980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eba71e88 r8:867aa000 r7:8687a400 r6:80277df8 r5:86074980 r4:8694de80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbe1fb0 to 0xdfbe1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8694de80 INFO: task kworker/0:353:5090 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:354:5091 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:354 state:D stack:0 pid:5091 tgid:5091 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaec9da4 r9:eaec9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a93d40 r4:86a93d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a93d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaec9e28 r4:868f5840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a93d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f071000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e008b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86945398 r4:86945398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86945398 r4:86773f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773f30 r8:86a93d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eba71e88 r8:86773e80 r7:86773f00 r6:80277df8 r5:86a93d40 r4:867698c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaec9fb0 to 0xeaec9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867698c0 INFO: task kworker/0:354:5091 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:355:5092 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:355 state:D stack:0 pid:5092 tgid:5092 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbf1da4 r9:dfbf1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a93100 r4:86a93100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a93100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbf1e28 r4:86aa9880 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9880 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a93100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb9d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867ce398 r4:867ce398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867ce398 r4:86773d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86773db0 r8:86a93100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaec9e88 r8:86773d00 r7:86773d80 r6:80277df8 r5:86a93100 r4:867698c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbf1fb0 to 0xdfbf1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867698c0 INFO: task kworker/0:355:5092 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:356:5095 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:356 state:D stack:0 pid:5095 tgid:5095 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dffedda4 r9:dffeddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a94980 r4:86a94980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a94980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dffede28 r4:868f5ac0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5ac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a94980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dffa0000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86946398 r4:86946398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86946398 r4:86773b80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773bb0 r8:86a94980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773b80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaec9e88 r8:86773b00 r7:86773b80 r6:80277df8 r5:86a94980 r4:86aa9780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdffedfb0 to 0xdffedff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9780 INFO: task kworker/0:356:5095 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:357:5096 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:357 state:D stack:0 pid:5096 tgid:5096 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0021da4 r9:e0021dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a924c0 r4:86a924c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a924c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0021e28 r4:86aa95c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa95c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a924c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f073000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e00b9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864f9f98 r4:864f9f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864f9f98 r4:86773c00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773c30 r8:86a924c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773c00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dffede88 r8:867aa080 r7:86773c00 r6:80277df8 r5:86a924c0 r4:86aa9780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0021fb0 to 0xe0021ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86aa9780 INFO: task kworker/0:357:5096 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:358:5099 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:358 state:D stack:0 pid:5099 tgid:5099 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e012dda4 r9:e012ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a91880 r4:86a91880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a91880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e012de28 r4:868f5680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a91880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f075000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e013f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86911f98 r4:86911f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86911f98 r4:86773980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867739b0 r8:86a91880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0021e88 r8:86773900 r7:86773980 r6:80277df8 r5:86a91880 r4:868f5f00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe012dfb0 to 0xe012dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f5f00 INFO: task kworker/0:358:5099 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:359:5101 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:359 state:D stack:0 pid:5101 tgid:5101 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0129da4 r9:e0129dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a90c40 r4:86a90c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a90c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0129e28 r4:868f5480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a90c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f077000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e420f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86911b98 r4:86911b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86911b98 r4:86773800 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773830 r8:86a90c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773800 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e012de88 r8:86773780 r7:86773800 r6:80277df8 r5:86a90c40 r4:867339c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0129fb0 to 0xe0129ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867339c0 INFO: task kworker/0:359:5101 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:360:5103 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:360 state:D stack:0 pid:5103 tgid:5103 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e4215da4 r9:e4215dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a98c40 r4:86a98c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a98c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4215e28 r4:868f5200 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f5200 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a98c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e82db000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86911798 r4:86911798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86911798 r4:867aa600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867aa630 r8:86a98c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:867aa600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0129e88 r8:86773680 r7:867aa600 r6:80277df8 r5:86a98c40 r4:868f58c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4215fb0 to 0xe4215ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f58c0 INFO: task kworker/0:360:5103 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:361:5106 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:361 state:D stack:0 pid:5106 tgid:5106 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea309da4 r9:ea309dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b424c0 r4:86b424c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b424c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea309e28 r4:86aa9440 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b424c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f079000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e82c9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86945798 r4:86945798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86945798 r4:86773500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86773530 r8:86b424c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e4215e88 r8:86773480 r7:86773500 r6:80277df8 r5:86b424c0 r4:868f6100 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea309fb0 to 0xea309ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f6100 INFO: task kworker/0:361:5106 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:362:5107 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:362 state:D stack:0 pid:5107 tgid:5107 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea305da4 r9:ea305dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b41880 r4:86b41880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b41880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea305e28 r4:86712b80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712b80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b41880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f081000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ead55000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a32f98 r4:86a32f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a32f98 r4:86773380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867733b0 r8:86b41880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e4215e88 r8:86773300 r7:86773380 r6:80277df8 r5:86b41880 r4:867337c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea305fb0 to 0xea305ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867337c0 INFO: task kworker/0:362:5107 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:363:5109 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:363 state:D stack:0 pid:5109 tgid:5109 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea355da4 r9:ea355dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86b40c40 r4:86b40c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b40c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea355e28 r4:86712f00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712f00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b40c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea35d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86911398 r4:86911398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86911398 r4:86773000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86773030 r8:86b40c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea305e88 r8:869eff80 r7:86773000 r6:80277df8 r5:86b40c40 r4:868f5400 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea355fb0 to 0xea355ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f5400 INFO: task kworker/0:363:5109 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:364:5112 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:364 state:D stack:0 pid:5112 tgid:5112 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eae25da4 r9:eae25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b40000 r4:86b40000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b40000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae25e28 r4:86712d00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712d00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b40000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea713000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86910f98 r4:86910f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86910f98 r4:86773080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867730b0 r8:86b40000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea305e88 r8:86773100 r7:86773080 r6:80277df8 r5:86b40000 r4:86712f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae25fb0 to 0xeae25ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86712f80 INFO: task kworker/0:364:5112 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:365:5113 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:365 state:D stack:0 pid:5113 tgid:5113 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eae2dda4 r9:eae2ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b3ee40 r4:86b3ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3ee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae2de28 r4:86712800 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86712800 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f085000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eae81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86910798 r4:86910798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86910798 r4:86773200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86773230 r8:86b3ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea305e88 r8:869efe80 r7:86773200 r6:80277df8 r5:86b3ee40 r4:86939cc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae2dfb0 to 0xeae2dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86939cc0 INFO: task kworker/0:365:5113 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:366:5114 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:366 state:D stack:0 pid:5114 tgid:5114 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eae31da4 r9:eae31dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86b3e200 r4:86b3e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae31e28 r4:8697e2c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8697e2c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f083000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eadf7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86912398 r4:86912398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86912398 r4:869efd80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:869efdb0 r8:86b3e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869efd80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eae2de88 r8:869efd00 r7:869efd80 r6:80277df8 r5:86b3e200 r4:86939cc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae31fb0 to 0xeae31ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86939cc0 INFO: task kworker/0:366:5114 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:367:5117 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:367 state:D stack:0 pid:5117 tgid:5117 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eae91da4 r9:eae91dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a90000 r4:86a90000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86a90000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae91e28 r4:86ad6100 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad6100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a90000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f089000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eaf2f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867ceb98 r4:867ceb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867ceb98 r4:86773580 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:867735b0 r8:86a90000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86773580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eae2de88 r8:8687a300 r7:86773580 r6:80277df8 r5:86a90000 r4:8693a400 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae91fb0 to 0xeae91ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8693a400 INFO: task kworker/0:367:5117 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:368:5119 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:368 state:D stack:0 pid:5119 tgid:5119 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaf01da4 r9:eaf01dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b3d5c0 r4:86b3d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3d5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf01e28 r4:86ad6240 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad6240 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f087000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eaf0b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86910398 r4:86910398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86910398 r4:869efb00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:869efb30 r8:86b3d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869efb00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eae91e88 r8:869efa80 r7:869efb00 r6:80277df8 r5:86b3d5c0 r4:86712880 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaf01fb0 to 0xeaf01ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86712880 INFO: task kworker/0:368:5119 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:369:5121 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:369 state:D stack:0 pid:5121 tgid:5121 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaf45da4 r9:eaf45dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86073d40 r4:86073d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86073d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf45e28 r4:86aa9180 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86073d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f08b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eafb5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a33f98 r4:86a33f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a33f98 r4:869efb80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:869efbb0 r8:86073d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869efb80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eae91e88 r8:869ef980 r7:869efb80 r6:80277df8 r5:86073d40 r4:86ad62c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaf45fb0 to 0xeaf45ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86ad62c0 INFO: task kworker/0:369:5121 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:370:5122 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:370 state:D stack:0 pid:5122 tgid:5122 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaf8dda4 r9:eaf8ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:86b3c980 r4:86b3c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf8de28 r4:8693af40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693af40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f08f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb0ad000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867cfb98 r4:867cfb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867cfb98 r4:869ef880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:869ef8b0 r8:86b3c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:869ef880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaf45e88 r8:869ef800 r7:869ef880 r6:80277df8 r5:86b3c980 r4:867e2640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaf8dfb0 to 0xeaf8dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867e2640 INFO: task kworker/0:370:5122 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:371:5125 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:371 state:D stack:0 pid:5125 tgid:5125 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eafd5da4 r9:eafd5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b3b100 r4:86b3b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3b100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafd5e28 r4:86ad5fc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad5fc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3b100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f08d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eafc3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86910b98 r4:86910b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86910b98 r4:86add100 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86add130 r8:86b3b100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86add100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaf45e88 r8:86add080 r7:86add100 r6:80277df8 r5:86b3b100 r4:867a1bc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeafd5fb0 to 0xeafd5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867a1bc0 INFO: task kworker/0:371:5125 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:372:5127 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:372 state:D stack:0 pid:5127 tgid:5127 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb069da4 r9:eb069dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86078c40 r4:86078c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86078c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb069e28 r4:86ad5d80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad5d80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86078c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f091000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb0b5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2f798 r4:86a2f798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2f798 r4:86adcf00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86adcf30 r8:86078c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adcf00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaf8de88 r8:86adce80 r7:86adcf00 r6:80277df8 r5:86078c40 r4:8683cb00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb069fb0 to 0xeb069ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8683cb00 INFO: task kworker/0:372:5127 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:373:5129 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:373 state:D stack:0 pid:5129 tgid:5129 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb0f1da4 r9:eb0f1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b3a4c0 r4:86b3a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3a4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0f1e28 r4:86742840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86742840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3a4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f093000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb921000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2ff98 r4:86a2ff98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2ff98 r4:86adcf80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86adcfb0 r8:86b3a4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adcf80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb069e88 r8:8687a000 r7:86adcf80 r6:80277df8 r5:86b3a4c0 r4:8693a140 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb0f1fb0 to 0xeb0f1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8693a140 INFO: task kworker/0:373:5129 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:374:5132 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:374 state:D stack:0 pid:5132 tgid:5132 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eb93dda4 r9:eb93ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b38c40 r4:86b38c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b38c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb93de28 r4:86ad5580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad5580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b38c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f09b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebbd5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86944f98 r4:86944f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86944f98 r4:86adcc80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86adccb0 r8:86b38c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adcc80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb0f1e88 r8:86adcc00 r7:86adcc80 r6:80277df8 r5:86b38c40 r4:86ad6000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb93dfb0 to 0xeb93dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86ad6000 INFO: task kworker/0:374:5132 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:375:5133 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:375 state:D stack:0 pid:5133 tgid:5133 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebb31da4 r9:ebb31dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b3bd40 r4:86b3bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b3bd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb31e28 r4:8693aec0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693aec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b3bd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f095000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebb0f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867cd798 r4:867cd798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867cd798 r4:86add200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86add230 r8:86b3bd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86add200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb93de88 r8:86adcb00 r7:86add200 r6:80277df8 r5:86b3bd40 r4:8691ce00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebb31fb0 to 0xebb31ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8691ce00 INFO: task kworker/0:375:5133 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:376:5135 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:376 state:D stack:0 pid:5135 tgid:5135 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaef9da4 r9:eaef9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86b38000 r4:86b38000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b38000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaef9e28 r4:86ad5980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad5980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b38000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f097000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebb37000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2ef98 r4:86a2ef98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2ef98 r4:86adca00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86adca30 r8:86b38000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adca00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb93de88 r8:86adc980 r7:86adca00 r6:80277df8 r5:86b38000 r4:86733640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaef9fb0 to 0xeaef9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86733640 INFO: task kworker/0:376:5135 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:377:5137 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:377 state:D stack:0 pid:5137 tgid:5137 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebb81da4 r9:ebb81dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b39880 r4:86b39880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b39880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb81e28 r4:86aa9a80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86aa9a80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b39880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f099000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebbab000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2eb98 r4:86a2eb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2eb98 r4:86adcd00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86adcd30 r8:86b39880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adcd00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb93de88 r8:86adc880 r7:86adcd00 r6:80277df8 r5:86b39880 r4:86ad5a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebb81fb0 to 0xebb81ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86ad5a00 INFO: task kworker/0:377:5137 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:378:5139 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:378 state:D stack:0 pid:5139 tgid:5139 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebbddda4 r9:ebbdddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b36200 r4:86b36200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b36200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbdde28 r4:86ad5300 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad5300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b36200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f09d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebc21000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2f398 r4:86a2f398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2f398 r4:86adc700 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86adc730 r8:86b36200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adc700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eb93de88 r8:86adc680 r7:86adc700 r6:80277df8 r5:86b36200 r4:86ad57c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebbddfb0 to 0xebbddff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86ad57c0 INFO: task kworker/0:378:5139 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:379:5140 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:379 state:D stack:0 pid:5140 tgid:5140 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebbe1da4 r9:ebbe1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b355c0 r4:86b355c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b355c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebbe1e28 r4:86ad5100 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad5100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b355c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f09f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebc51000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2e398 r4:86a2e398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2e398 r4:86adc500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86adc530 r8:86b355c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adc500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebbdde88 r8:86adc480 r7:86adc500 r6:80277df8 r5:86b355c0 r4:8693adc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebbe1fb0 to 0xebbe1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8693adc0 INFO: task kworker/0:379:5140 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:380:5143 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:380 state:D stack:0 pid:5143 tgid:5143 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebc55da4 r9:ebc55dac r8:00000002 r7:60000113 r6:82cd9e0c r5:860724c0 r4:860724c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860724c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc55e28 r4:86ad5180 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86ad5180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860724c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a7000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebd51000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867cd398 r4:867cd398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867cd398 r4:86739400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86739430 r8:860724c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86739400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebbe1e88 r8:86adc580 r7:86739400 r6:80277df8 r5:860724c0 r4:86ad5680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebc55fb0 to 0xebc55ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86ad5680 INFO: task kworker/0:380:5143 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:381:5144 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:381 state:D stack:0 pid:5144 tgid:5144 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebc71da4 r9:ebc71dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86b36e40 r4:86b36e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b36e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebc71e28 r4:8693ac40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8693ac40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b36e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a1000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebccf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:867cdb98 r4:867cdb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:867cdb98 r4:86adc300 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86adc330 r8:86b36e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adc300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebc55e88 r8:86adc280 r7:86adc300 r6:80277df8 r5:86b36e40 r4:86ad5240 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebc71fb0 to 0xebc71ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86ad5240 INFO: task kworker/0:381:5144 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:382:5147 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:382 state:D stack:0 pid:5147 tgid:5147 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebcf9da4 r9:ebcf9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86073100 r4:86073100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86073100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebcf9e28 r4:868f6e00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6e00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86073100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a5000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebceb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2e798 r4:86a2e798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2e798 r4:8687a280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8687a2b0 r8:86073100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8687a280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebc55e88 r8:86adc780 r7:8687a280 r6:80277df8 r5:86073100 r4:86ad5800 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebcf9fb0 to 0xebcf9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86ad5800 INFO: task kworker/0:382:5147 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:383:5148 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:383 state:D stack:0 pid:5148 tgid:5148 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfb75da4 r9:dfb75dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86b34980 r4:86b34980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b34980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb75e28 r4:868f6c80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6c80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b34980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0a9000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebd73000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2db98 r4:86a2db98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2db98 r4:86adc100 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86adc130 r8:86b34980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86adc100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebc55e88 r8:86adc080 r7:86adc100 r6:80277df8 r5:86b34980 r4:86ad61c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb75fb0 to 0xdfb75ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86ad61c0 INFO: task kworker/0:383:5148 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:385:5152 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:385 state:D stack:0 pid:5152 tgid:5152 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ebde9da4 r9:ebde9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86b33100 r4:86b33100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86b33100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebde9e28 r4:868f6a40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:868f6a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86b33100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f0ab000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ebe0b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86a2d398 r4:86a2d398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86a2d398 r4:8683ae00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8683ae30 r8:86b33100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8683ae00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ebddde88 r8:8683ad80 r7:8683ae00 r6:80277df8 r5:86b33100 r4:8693afc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xebde9fb0 to 0xebde9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8693afc0 INFO: task kworker/0:385:5152 is blocked on a mutex likely owned by task kworker/0:274:4928. task:kworker/0:274 state:R running task stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:86a755c0 r8:80200c04 r7:eac49d7c r6:ffffffff r5:86a755c0 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xeac49d48 to 0xeac49d90) 9d40: b0ef4000 ed43f000 00000000 80239770 82cd91a0 82cd9de4 9d60: 7f067000 ed43f000 00000000 00000001 82a0b498 eac49dbc ed43f000 eac49d98 9d80: 802306b0 80239788 80000013 ffffffff r5:80000013 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:eac49de0 r8:00000000 r7:ffffffff r6:00000008 r5:eac49e28 r4:eac49de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:867d62c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86a755c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eb983000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:868d1798 r4:868d1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:868d1798 r4:86868980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:868689b0 r8:86a755c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86868980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eac71e88 r8:86868900 r7:86868980 r6:80277df8 r5:86a755c0 r4:867d6680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac49fb0 to 0xeac49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:867d6680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:60000093 r6:60000093 r5:82336570 r4:00000000 [<80201a74>] (show_stack) from [<8021ec68>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201a74>] (show_stack) from [<8021ec68>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120) [<8021ec0c>] (dump_stack_lvl) from [<8021ec94>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r7:00000000 r6:00000013 r5:00000001 r4:00000001 [<8021ec7c>] (dump_stack) from [<81b5aefc>] (nmi_cpu_backtrace+0x150/0x170 lib/nmi_backtrace.c:122) [<81b5adac>] (nmi_cpu_backtrace) from [<81b5b050>] (nmi_trigger_cpumask_backtrace+0x134/0x208 lib/nmi_backtrace.c:65) r7:82a0b150 r6:83320c40 r5:82a1c7b8 r4:ffffffff [<81b5af1c>] (nmi_trigger_cpumask_backtrace) from [<802300d4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:82a0b2f0 r8:00000072 r7:82a1ce80 r6:82ccce2c r5:00007b40 r4:00000048 [<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]) [<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (__sys_info lib/sys_info.c:157 [inline]) [<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (sys_info+0x68/0xa8 lib/sys_info.c:165) [<81b62b24>] (sys_info) from [<80390a60>] (check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]) [<81b62b24>] (sys_info) from [<80390a60>] (watchdog+0x3a0/0x848 kernel/hung_task.c:561) r5:00007b40 r4:0000000a [<803906c0>] (watchdog) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df819e60 r8:831d5600 r7:00000000 r6:803906c0 r5:83320c40 r4:833dd080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d5fb0 to 0xdf8d5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:833dd080 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2826 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:198 LR is at spin_unlock_irqrestore include/linux/spinlock.h:408 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:618 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2720 pc : [<81b7c1f4>] lr : [<80b0d95c>] psr: 60000113 sp : eb03dec8 ip : eb03ded8 fp : eb03ded4 r10: 82b5e31c r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 82b5e280 r5 : 00000000 r4 : 00000001 r3 : 000015eb r2 : 00000000 r1 : 60000113 r0 : 84fc0840 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 865b2b00 DAC: fffffffd Call trace: [<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]) [<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:618 [inline]) [<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2720) [<80b0d93c>] (pl011_console_device_unlock) from [<802ed2c8>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1165) [<802ed240>] (nbcon_emit_one) from [<802ed548>] (nbcon_kthread_func+0x208/0x2ec kernel/printk/nbcon.c:1271) r6:82cc92ec r5:82b5e280 r4:839d3100 [<802ed340>] (nbcon_kthread_func) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df92db38 r8:84cfd080 r7:82b5e280 r6:802ed340 r5:839d3100 r4:84cf1e80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb03dfb0 to 0xeb03dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:84cf1e80