Extracting prog: 12m57.410368549s Minimizing prog: 3h39m13.782079977s Simplifying prog options: 29m34.154712604s Extracting C: 1m55.286620803s 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program 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 detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) program did not crash 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 detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, 0x0, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, 0x0, 0x0) program did not crash 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, 0x0, &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash 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$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 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=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$PROG_LOAD program did not crash simplifying guilty program options testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases extracting C reproducer testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD program did not crash testing program (duration=16m0s, {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, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash testing program (duration=16m0s, {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, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {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, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {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, &(0x7f00000009c0)=ANY=[@ANYBLOB="04000000040000000400000005"], 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x1b, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b70800000000e7057b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000001600000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8c}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x4, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true reproducing took 4h55m29.039417113s repro crashed as (corrupted=false): INFO: task kworker/0:1:11 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:11 tgid:11 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:df845da4 r9:df845dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83184980 r4:83184980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83184980 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:df845e28 r4:866542c0 [<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 r4:866542c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83184980 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:dfad7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d6798 r4:864d6798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d6798 r4:83015a80 [<802770f0>] (process_one_work) from [<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 r9:83015ab0 r8:83184980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:83015a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df83de88 r8:83015980 r7:83015a80 r6:80277df8 r5:83184980 r4:830ed640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf845fb0 to 0xdf845ff8) 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 r4:830ed640 INFO: task kworker/0:1:11 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 96fe0000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/1:1:40 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:40 tgid:40 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:df905da4 r9:df905dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83318000 r4:83318000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83318000 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:df905e28 r4:8652e480 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652e480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83318000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa07000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866acf98 r4:866acf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866acf98 r4:83898e00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:83898e30 r8:83318000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:83898e00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df879e88 r8:83898b80 r7:83898e00 r6:80277df8 r5:83318000 r4:8389d480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf905fb0 to 0xdf905ff8) 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 r4:8389d480 INFO: task kworker/1:1:40 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 97534000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/0:2:89 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:89 tgid:89 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:df999da4 r9:df999dac r8:00000002 r7:60000113 r6:82cd9e0c r5:833e0c40 r4:833e0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:833e0c40 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:df999e28 r4:86678b00 [<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 r4:86678b00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:833e0c40 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:dfd09000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864c4b98 r4:864c4b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864c4b98 r4:83112f00 [<802770f0>] (process_one_work) from [<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 r9:83112f30 r8:833e0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:83112f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df845e88 r8:83112b00 r7:83112f00 r6:80277df8 r5:833e0c40 r4:8385c240 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf999fb0 to 0xdf999ff8) 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 r4:8385c240 INFO: task kworker/0:2:89 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 97534000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/1:0:3116 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:3116 tgid:3116 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:df9a9da4 r9:df9a9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:833e24c0 r4:833e24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:833e24c0 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:df9a9e28 r4:86654e00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86654e00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:833e24c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f029000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfd01000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ae798 r4:866ae798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ae798 r4:83115780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:831157b0 r8:833e24c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:83115780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df905e88 r8:84d31000 r7:83115780 r6:80277df8 r5:833e24c0 r4:85bcb280 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9a9fb0 to 0xdf9a9ff8) 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 r4:85bcb280 INFO: task kworker/1:0:3116 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 97534000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/1:7:4391 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:7 state:D stack:0 pid:4391 tgid:4391 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:e8531da4 r9:e8531dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f1bd40 r4:84f1bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f1bd40 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:e8531e28 r4:86655900 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86655900 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f1bd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f00b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:df99b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866c3f98 r4:866c3f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866c3f98 r4:8663be80 [<802770f0>] (process_one_work) from [<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 r9:8663beb0 r8:84f1bd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8663be80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e44c1e88 r8:8663c000 r7:8663be80 r6:80277df8 r5:84f1bd40 r4:86644380 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8531fb0 to 0xe8531ff8) 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 r4:86644380 INFO: task kworker/1:7:4391 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 97853000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/1:50:4575 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:50 state:D stack:0 pid:4575 tgid:4575 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:e44adda4 r9:e44addac r8:00000002 r7:60000113 r6:82cd9e0c r5:8486ee40 r4:8486ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8486ee40 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:e44ade28 r4:8666be40 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666be40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8486ee40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f039000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfe8d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86568f98 r4:86568f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86568f98 r4:8664c100 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:8664c130 r8:8486ee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8664c100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02ede88 r8:8664c780 r7:8664c100 r6:80277df8 r5:8486ee40 r4:86502240 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe44adfb0 to 0xe44adff8) 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 r4:86502240 INFO: task kworker/1:50:4575 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 97c34000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/0:53:4578 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:53 state:D stack:0 pid:4578 tgid:4578 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:dfe19da4 r9:dfe19dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84873d40 r4:84873d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84873d40 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:dfe19e28 r4:8666bc80 [<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 r4:8666bc80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84873d40 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:e8517000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86556798 r4:86556798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86556798 r4:86531500 [<802770f0>] (process_one_work) from [<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 r9:86531530 r8:84873d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd95e88 r8:86652500 r7:86531500 r6:80277df8 r5:84873d40 r4:8663f700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe19fb0 to 0xdfe19ff8) 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 r4:8663f700 INFO: task kworker/0:53:4578 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 97c34000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/1:52:4581 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:52 state:D stack:0 pid:4581 tgid:4581 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:dfe65da4 r9:dfe65dac r8:00000002 r7:60000113 r6:82cd9e0c r5:848255c0 r4:848255c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:848255c0 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:dfe65e28 r4:8665a100 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8665a100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:848255c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:df90f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866af398 r4:866af398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866af398 r4:86652280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:866522b0 r8:848255c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86652280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e44ade88 r8:86652200 r7:86652280 r6:80277df8 r5:848255c0 r4:86643bc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe65fb0 to 0xdfe65ff8) 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 r4:86643bc0 INFO: task kworker/1:52:4581 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9810f000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/0:54:4583 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:54 state:D stack:0 pid:4583 tgid:4583 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:dfd19da4 r9:dfd19dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84820000 r4:84820000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84820000 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:dfd19e28 r4:86654640 [<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 r4:86654640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84820000 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:ea609000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d7b98 r4:864d7b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d7b98 r4:86531a80 [<802770f0>] (process_one_work) from [<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 r9:86531ab0 r8:84820000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe19e88 r8:86531700 r7:86531a80 r6:80277df8 r5:84820000 r4:8664e000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd19fb0 to 0xdfd19ff8) 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 r4:8664e000 INFO: task kworker/0:54:4583 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9810f000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 INFO: task kworker/1:53:4584 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:53 state:D stack:0 pid:4584 tgid:4584 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:dfe85da4 r9:dfe85dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84820c40 r4:84820c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84820c40 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:dfe85e28 r4:8666bc00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666bc00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84820c40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0281000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86565398 r4:86565398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86565398 r4:86531900 [<802770f0>] (process_one_work) from [<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 r9:86531930 r8:84820c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86531900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe65e88 r8:86652000 r7:86531900 r6:80277df8 r5:84820c40 r4:8663f380 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe85fb0 to 0xdfe85ff8) 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 r4:8663f380 INFO: task kworker/1:53:4584 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9851a000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:54:4586 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:54 state:D stack:0 pid:4586 tgid:4586 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:e027dda4 r9:e027ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f155c0 r4:84f155c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f155c0 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:e027de28 r4:8666ba40 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666ba40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f155c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f05b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0291000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864c5398 r4:864c5398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864c5398 r4:86651f80 [<802770f0>] (process_one_work) from [<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 r9:86651fb0 r8:84f155c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86651f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe65e88 r8:86651f00 r7:86651f80 r6:80277df8 r5:84f155c0 r4:8666bdc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe027dfb0 to 0xe027dff8) 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 r4:8666bdc0 INFO: task kworker/1:54:4586 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9851a000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:55:4589 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:55 state:D stack:0 pid:4589 tgid:4589 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:e01d1da4 r9:e01d1dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83fb9880 r4:83fb9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83fb9880 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:e01d1e28 r4:8666b940 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666b940 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83fb9880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f05d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e44c5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86565f98 r4:86565f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86565f98 r4:86651d00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86651d30 r8:83fb9880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86651d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe65e88 r8:86651c80 r7:86651d00 r6:80277df8 r5:83fb9880 r4:8666bb40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe01d1fb0 to 0xe01d1ff8) 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 r4:8666bb40 INFO: task kworker/1:55:4589 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 98918000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:56:4591 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:56 state:D stack:0 pid:4591 tgid:4591 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:e44f5da4 r9:e44f5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84831880 r4:84831880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84831880 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:e44f5e28 r4:8666b580 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666b580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84831880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e8523000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86564398 r4:86564398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86564398 r4:86651b80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86651bb0 r8:84831880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86651b80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe65e88 r8:86651e00 r7:86651b80 r6:80277df8 r5:84831880 r4:865d24c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe44f5fb0 to 0xe44f5ff8) 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 r4:865d24c0 INFO: task kworker/1:56:4591 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 98f25000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:55:4593 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:55 state:D stack:0 pid:4593 tgid:4593 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:e028dda4 r9:e028ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:84046e40 r4:84046e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84046e40 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:e028de28 r4:86649980 [<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 r4:86649980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84046e40 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:e8579000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d7f98 r4:864d7f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d7f98 r4:86531400 [<802770f0>] (process_one_work) from [<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 r9:86531430 r8:84046e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd19e88 r8:86652300 r7:86531400 r6:80277df8 r5:84046e40 r4:86510100 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe028dfb0 to 0xe028dff8) 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 r4:86510100 INFO: task kworker/0:55:4593 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 98f25000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:57:4594 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:57 state:D stack:0 pid:4594 tgid:4594 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:e851dda4 r9:e851ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:848324c0 r4:848324c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:848324c0 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:e851de28 r4:8665a880 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8665a880 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:848324c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f075000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea5b7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8b98 r4:864d8b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864d8b98 r4:86651780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:866517b0 r8:848324c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86651780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe65e88 r8:86651800 r7:86651780 r6:80277df8 r5:848324c0 r4:864fd4c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe851dfb0 to 0xe851dff8) 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 r4:864fd4c0 INFO: task kworker/1:57:4594 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99060000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:58:4595 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:58 state:D stack:0 pid:4595 tgid:4595 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:e8545da4 r9:e8545dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f1e200 r4:84f1e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f1e200 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:e8545e28 r4:8665a740 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8665a740 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f1e200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f077000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea601000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86564798 r4:86564798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86564798 r4:86651900 [<802770f0>] (process_one_work) from [<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 r9:86651930 r8:84f1e200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86651900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e851de88 r8:86651980 r7:86651900 r6:80277df8 r5:84f1e200 r4:8666b780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8545fb0 to 0xe8545ff8) 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 r4:8666b780 INFO: task kworker/1:58:4595 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 991a2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:56:4598 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:56 state:D stack:0 pid:4598 tgid:4598 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:ea5adda4 r9:ea5addac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f10c40 r4:84f10c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f10c40 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:ea5ade28 r4:86646cc0 [<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 r4:86646cc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f10c40 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:ea5af000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d7798 r4:864d7798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d7798 r4:86531280 [<802770f0>] (process_one_work) from [<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 r9:865312b0 r8:84f10c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd19e88 r8:86651380 r7:86531280 r6:80277df8 r5:84f10c40 r4:8666b200 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea5adfb0 to 0xea5adff8) 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 r4:8666b200 INFO: task kworker/0:56:4598 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9944b000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:57:4602 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:57 state:D stack:0 pid:4602 tgid:4602 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:ea611da4 r9:ea611dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f1ee40 r4:84f1ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f1ee40 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:ea611e28 r4:86669c00 [<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 r4:86669c00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f1ee40 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:dfc0b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d5b98 r4:864d5b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d5b98 r4:86651580 [<802770f0>] (process_one_work) from [<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 r9:866515b0 r8:84f1ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86651580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd19e88 r8:86651680 r7:86651580 r6:80277df8 r5:84f1ee40 r4:8664a740 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea611fb0 to 0xea611ff8) 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 r4:8664a740 INFO: task kworker/0:57:4602 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99576000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:59:4603 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:59 state:D stack:0 pid:4603 tgid:4603 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:e8575da4 r9:e8575dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84050000 r4:84050000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84050000 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:e8575e28 r4:8665a5c0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8665a5c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84050000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f07b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea649000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866aff98 r4:866aff98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866aff98 r4:86651300 [<802770f0>] (process_one_work) from [<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 r9:86651330 r8:84050000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86651300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe65e88 r8:86531300 r7:86651300 r6:80277df8 r5:84050000 r4:8664ff00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8575fb0 to 0xe8575ff8) 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 r4:8664ff00 INFO: task kworker/1:59:4603 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99576000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:58:4605 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:58 state:D stack:0 pid:4605 tgid:4605 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:ea645da4 r9:ea645dac r8:00000002 r7:60000013 r6:82cd9e0c r5:845ee200 r4:845ee200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:845ee200 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:ea645e28 r4:86654340 [<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 r4:86654340 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:845ee200 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:dfa43000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d6b98 r4:864d6b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d6b98 r4:86531100 [<802770f0>] (process_one_work) from [<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 r9:86531130 r8:845ee200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea611e88 r8:86531080 r7:86531100 r6:80277df8 r5:845ee200 r4:8664fe00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea645fb0 to 0xea645ff8) 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 r4:8664fe00 INFO: task kworker/0:58:4605 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 999ba000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:60:4607 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:60 state:D stack:0 pid:4607 tgid:4607 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:e8555da4 r9:e8555dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8482bd40 r4:8482bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8482bd40 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:e8555e28 r4:8665a380 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8665a380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8482bd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f00b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:df877000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b0398 r4:866b0398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866b0398 r4:86651500 [<802770f0>] (process_one_work) from [<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 r9:86651530 r8:8482bd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86651500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe65e88 r8:86651280 r7:86651500 r6:80277df8 r5:8482bd40 r4:8664ff00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8555fb0 to 0xe8555ff8) 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 r4:8664ff00 INFO: task kworker/1:60:4607 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:61:4612 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:61 state:D stack:0 pid:4612 tgid:4612 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:ea671da4 r9:ea671dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83f88c40 r4:83f88c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83f88c40 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:ea671e28 r4:86659040 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83f88c40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f063000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e044f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866af798 r4:866af798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866af798 r4:8664dd80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:8664ddb0 r8:83f88c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8664dd80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe65e88 r8:86651a80 r7:8664dd80 r6:80277df8 r5:83f88c40 r4:8666b640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea671fb0 to 0xea671ff8) 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 r4:8666b640 INFO: task kworker/1:61:4612 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:62:4613 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:62 state:D stack:0 pid:4613 tgid:4613 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:dfaa9da4 r9:dfaa9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f1d5c0 r4:84f1d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f1d5c0 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:dfaa9e28 r4:86659e80 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f1d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa2c000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866aef98 r4:866aef98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866aef98 r4:86651080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:866510b0 r8:84f1d5c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86651080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea671e88 r8:86651100 r7:86651080 r6:80277df8 r5:84f1d5c0 r4:8665a3c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa9fb0 to 0xdfaa9ff8) 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 r4:8665a3c0 INFO: task kworker/1:62:4613 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:63:4614 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:63 state:D stack:0 pid:4614 tgid:4614 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:dfab9da4 r9:dfab9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:845eee40 r4:845eee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:845eee40 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:dfab9e28 r4:86659a00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659a00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:845eee40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f047000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb59000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866afb98 r4:866afb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866afb98 r4:86650f80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86650fb0 r8:845eee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfaa9e88 r8:86650f00 r7:86650f80 r6:80277df8 r5:845eee40 r4:8665a3c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfab9fb0 to 0xdfab9ff8) 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 r4:8665a3c0 INFO: task kworker/1:63:4614 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:64:4616 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:64 state:D stack:0 pid:4616 tgid:4616 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:dfad5da4 r9:dfad5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84829880 r4:84829880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84829880 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:dfad5e28 r4:86659d00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659d00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84829880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f043000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfab5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86564b98 r4:86564b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86564b98 r4:86650e00 [<802770f0>] (process_one_work) from [<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 r9:86650e30 r8:84829880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650e00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfab9e88 r8:86650d80 r7:86650e00 r6:80277df8 r5:84829880 r4:8664b6c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfad5fb0 to 0xdfad5ff8) 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 r4:8664b6c0 INFO: task kworker/1:64:4616 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:59:4617 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:59 state:D stack:0 pid:4617 tgid:4617 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:dfb29da4 r9:dfb29dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866f8000 r4:866f8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f8000 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:dfb29e28 r4:86654040 [<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 r4:86654040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f049000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb61000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864c5798 r4:864c5798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864c5798 r4:8664df80 [<802770f0>] (process_one_work) from [<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 r9:8664dfb0 r8:866f8000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664df80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea611e88 r8:86650900 r7:8664df80 r6:80277df8 r5:866f8000 r4:86532240 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb29fb0 to 0xdfb29ff8) 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 r4:86532240 INFO: task kworker/0:59:4617 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:65:4620 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:65 state:D stack:0 pid:4620 tgid:4620 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:ea695da4 r9:ea695dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866f6e40 r4:866f6e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f6e40 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:ea695e28 r4:86659bc0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659bc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f6e40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f04b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfbaf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d6f98 r4:864d6f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864d6f98 r4:86650a00 [<802770f0>] (process_one_work) from [<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 r9:86650a30 r8:866f6e40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea671e88 r8:86650a80 r7:86650a00 r6:80277df8 r5:866f6e40 r4:863d3200 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea695fb0 to 0xea695ff8) 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 r4:863d3200 INFO: task kworker/1:65:4620 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:60:4622 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:60 state:D stack:0 pid:4622 tgid:4622 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 r5:8404e200 r4:8404e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8404e200 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 r4:8666f180 [<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 r4:8666f180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8404e200 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:ea74b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864def98 r4:864def98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864def98 r4:86651180 [<802770f0>] (process_one_work) from [<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 r9:866511b0 r8:8404e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86651180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea611e88 r8:86650b80 r7:86651180 r6:80277df8 r5:8404e200 r4:86654140 [<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 r4:86654140 INFO: task kworker/0:60:4622 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:66:4624 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:66 state:D stack:0 pid:4624 tgid:4624 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:dfb55da4 r9:dfb55dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f6200 r4:866f6200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f6200 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:dfb55e28 r4:86659480 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f061000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e03b5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d9398 r4:864d9398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864d9398 r4:86650c80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86650cb0 r8:866f6200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650c80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea671e88 r8:8664de80 r7:86650c80 r6:80277df8 r5:866f6200 r4:8666b1c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb55fb0 to 0xdfb55ff8) 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 r4:8666b1c0 INFO: task kworker/1:66:4624 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:61:4627 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:61 state:D stack:0 pid:4627 tgid:4627 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:dfca5da4 r9:dfca5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83fb4980 r4:83fb4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83fb4980 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:dfca5e28 r4:86669980 [<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 r4:86669980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83fb4980 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:dfc85000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d4f98 r4:864d4f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d4f98 r4:8664dd00 [<802770f0>] (process_one_work) from [<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 r9:8664dd30 r8:83fb4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664dd00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664df00 r7:8664dd00 r6:80277df8 r5:83fb4980 r4:86669a40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfca5fb0 to 0xdfca5ff8) 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 r4:86669a40 INFO: task kworker/0:61:4627 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:62:4628 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:62 state:D stack:0 pid:4628 tgid:4628 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:dfca9da4 r9:dfca9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f55c0 r4:866f55c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f55c0 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:dfca9e28 r4:866697c0 [<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 r4:866697c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f55c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f051000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc93000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d5798 r4:864d5798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d5798 r4:8664db80 [<802770f0>] (process_one_work) from [<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 r9:8664dbb0 r8:866f55c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664db80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:86650780 r7:8664db80 r6:80277df8 r5:866f55c0 r4:86669840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfca9fb0 to 0xdfca9ff8) 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 r4:86669840 INFO: task kworker/0:62:4628 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:63:4629 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 state:D stack:0 pid:4629 tgid:4629 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:e0205da4 r9:e0205dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f18000 r4:84f18000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f18000 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:e0205e28 r4:866540c0 [<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 r4:866540c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f18000 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:e0365000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d4798 r4:864d4798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d4798 r4:8664db00 [<802770f0>] (process_one_work) from [<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 r9:8664db30 r8:84f18000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664db00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664dc00 r7:8664db00 r6:80277df8 r5:84f18000 r4:8666b180 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0205fb0 to 0xe0205ff8) 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 r4:8666b180 INFO: task kworker/0:63:4629 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:64:4630 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 state:D stack:0 pid:4630 tgid:4630 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:e02f1da4 r9:e02f1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f4980 r4:866f4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f4980 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:e02f1e28 r4:86669380 [<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 r4:86669380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f4980 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:e0305000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d5398 r4:864d5398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d5398 r4:8664d680 [<802770f0>] (process_one_work) from [<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 r9:8664d6b0 r8:866f4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0205e88 r8:86650280 r7:8664d680 r6:80277df8 r5:866f4980 r4:866695c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe02f1fb0 to 0xe02f1ff8) 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 r4:866695c0 INFO: task kworker/0:64:4630 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:67:4631 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:67 state:D stack:0 pid:4631 tgid:4631 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:e02f5da4 r9:e02f5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f3d40 r4:866f3d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f3d40 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:e02f5e28 r4:86659580 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f3d40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e02d5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866aeb98 r4:866aeb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866aeb98 r4:86650180 [<802770f0>] (process_one_work) from [<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 r9:866501b0 r8:866f3d40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb55e88 r8:86650100 r7:86650180 r6:80277df8 r5:866f3d40 r4:866598c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe02f5fb0 to 0xe02f5ff8) 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 r4:866598c0 INFO: task kworker/1:67:4631 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:65:4637 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:4637 tgid:4637 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:e03adda4 r9:e03addac r8:00000002 r7:60000013 r6:82cd9e0c r5:866f3100 r4:866f3100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f3100 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:e03ade28 r4:86669640 [<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 r4:86669640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f3100 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:e03a5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d4398 r4:864d4398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d4398 r4:8664d780 [<802770f0>] (process_one_work) from [<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 r9:8664d7b0 r8:866f3100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:86650000 r7:8664d780 r6:80277df8 r5:866f3100 r4:86669240 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03adfb0 to 0xe03adff8) 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 r4:86669240 INFO: task kworker/0:65:4637 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:66:4638 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:66 state:D stack:0 pid:4638 tgid:4638 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:e03e9da4 r9:e03e9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f1880 r4:866f1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f1880 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:e03e9e28 r4:8664ae40 [<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 r4:8664ae40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f1880 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:ea685000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656bb98 r4:8656bb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656bb98 r4:86650300 [<802770f0>] (process_one_work) from [<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 r9:86650330 r8:866f1880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86650300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8663cf80 r7:86650300 r6:80277df8 r5:866f1880 r4:86669080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03e9fb0 to 0xe03e9ff8) 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 r4:86669080 INFO: task kworker/0:66:4638 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:68:4639 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:68 state:D stack:0 pid:4639 tgid:4639 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:e03fdda4 r9:e03fddac r8:00000002 r7:60000013 r6:82cd9e0c r5:866f0c40 r4:866f0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f0c40 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:e03fde28 r4:86654ec0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86654ec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f0c40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f065000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e045f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864b8f98 r4:864b8f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864b8f98 r4:86650600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86650630 r8:866f0c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea671e88 r8:8663ce80 r7:86650600 r6:80277df8 r5:866f0c40 r4:8619d840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03fdfb0 to 0xe03fdff8) 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 r4:8619d840 INFO: task kworker/1:68:4639 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:69:4643 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:69 state:D stack:0 pid:4643 tgid:4643 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 r5:866f0000 r4:866f0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f0000 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 r4:8663ec40 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8663ec40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f0000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f07f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea75f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656bf98 r4:8656bf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:8656bf98 r4:86650580 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:866505b0 r8:866f0000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e03fde88 r8:86650500 r7:86650580 r6:80277df8 r5:866f0000 r4:86654fc0 [<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 r4:86654fc0 INFO: task kworker/1:69:4643 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:70:4644 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:70 state:D stack:0 pid:4644 tgid:4644 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:e4491da4 r9:e4491dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866eee40 r4:866eee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866eee40 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:e4491e28 r4:86654c00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86654c00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866eee40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f02d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfd97000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864c8798 r4:864c8798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864c8798 r4:86650400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86650430 r8:866eee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa39e88 r8:8663cd80 r7:86650400 r6:80277df8 r5:866eee40 r4:8663d040 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4491fb0 to 0xe4491ff8) 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 r4:8663d040 INFO: task kworker/1:70:4644 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:67:4646 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:4646 tgid:4646 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:ea6b1da4 r9:ea6b1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ed5c0 r4:866ed5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ed5c0 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:ea6b1e28 r4:8666f740 [<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 r4:8666f740 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ed5c0 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:ea6a7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656b398 r4:8656b398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656b398 r4:8664d700 [<802770f0>] (process_one_work) from [<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 r9:8664d730 r8:866ed5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8663cc00 r7:8664d700 r6:80277df8 r5:866ed5c0 r4:8664ad00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6b1fb0 to 0xea6b1ff8) 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 r4:8664ad00 INFO: task kworker/0:67:4646 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:68:4648 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:68 state:D stack:0 pid:4648 tgid:4648 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:ea6cdda4 r9:ea6cddac r8:00000002 r7:60000013 r6:82cd9e0c r5:833e8000 r4:833e8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:833e8000 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:ea6cde28 r4:8666f640 [<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 r4:8666f640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:833e8000 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:ea6c7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656af98 r4:8656af98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656af98 r4:8664d980 [<802770f0>] (process_one_work) from [<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 r9:8664d9b0 r8:833e8000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664da00 r7:8664d980 r6:80277df8 r5:833e8000 r4:8664b880 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6cdfb0 to 0xea6cdff8) 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 r4:8664b880 INFO: task kworker/0:68:4648 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:69:4650 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:69 state:D stack:0 pid:4650 tgid:4650 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:ea69dda4 r9:ea69ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:84053d40 r4:84053d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84053d40 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:ea69de28 r4:8666f400 [<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 r4:8666f400 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84053d40 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:ea703000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86558b98 r4:86558b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86558b98 r4:8663cc80 [<802770f0>] (process_one_work) from [<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 r9:8663ccb0 r8:84053d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663cc80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664d580 r7:8663cc80 r6:80277df8 r5:84053d40 r4:8664ba00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea69dfb0 to 0xea69dff8) 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 r4:8664ba00 INFO: task kworker/0:69:4650 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:70:4652 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:70 state:D stack:0 pid:4652 tgid:4652 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:ea731da4 r9:ea731dac r8:00000002 r7:60000113 r6:82cd9e0c r5:845e9880 r4:845e9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:845e9880 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:ea731e28 r4:86655e40 [<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 r4:86655e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:845e9880 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:dfce7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864de798 r4:864de798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864de798 r4:8664dc80 [<802770f0>] (process_one_work) from [<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 r9:8664dcb0 r8:845e9880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664dc80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664d800 r7:8664dc80 r6:80277df8 r5:845e9880 r4:86649cc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea731fb0 to 0xea731ff8) 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 r4:86649cc0 INFO: task kworker/0:70:4652 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:71:4655 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:71 state:D stack:0 pid:4655 tgid:4655 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 r7:60000113 r6:82cd9e0c r5:84870c40 r4:84870c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84870c40 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 r4:8666f000 [<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 r4:8666f000 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84870c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfdaf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864deb98 r4:864deb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864deb98 r4:8664d180 [<802770f0>] (process_one_work) from [<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 r9:8664d1b0 r8:84870c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea731e88 r8:8664d100 r7:8664d180 r6:80277df8 r5:84870c40 r4:8664f680 [<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 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8664f680 INFO: task kworker/0:71:4655 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:72:4656 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:72 state:D stack:0 pid:4656 tgid:4656 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:dfcd5da4 r9:dfcd5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84046200 r4:84046200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84046200 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:dfcd5e28 r4:86655d40 [<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 r4:86655d40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84046200 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:dfd6f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864de398 r4:864de398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864de398 r4:8664d200 [<802770f0>] (process_one_work) from [<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 r9:8664d230 r8:84046200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea731e88 r8:8664d280 r7:8664d200 r6:80277df8 r5:84046200 r4:8664ad80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcd5fb0 to 0xdfcd5ff8) 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 r4:8664ad80 INFO: task kworker/0:72:4656 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:73:4661 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:73 state:D stack:0 pid:4661 tgid:4661 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:dfdcdda4 r9:dfdcddac r8:00000002 r7:60000113 r6:82cd9e0c r5:845e8c40 r4:845e8c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:845e8c40 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:dfdcde28 r4:86655880 [<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 r4:86655880 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:845e8c40 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:e01d5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dd398 r4:864dd398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dd398 r4:8664d880 [<802770f0>] (process_one_work) from [<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 r9:8664d8b0 r8:845e8c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea771e88 r8:8664d380 r7:8664d880 r6:80277df8 r5:845e8c40 r4:8666f480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfdcdfb0 to 0xdfdcdff8) 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 r4:8666f480 INFO: task kworker/0:73:4661 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:74:4663 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:74 state:D stack:0 pid:4663 tgid:4663 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:dfe25da4 r9:dfe25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f24c0 r4:866f24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f24c0 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:dfe25e28 r4:866559c0 [<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 r4:866559c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f24c0 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:dfe47000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864ddf98 r4:864ddf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864ddf98 r4:86656280 [<802770f0>] (process_one_work) from [<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 r9:866562b0 r8:866f24c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86656280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfdcde88 r8:8664d000 r7:86656280 r6:80277df8 r5:866f24c0 r4:86529f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe25fb0 to 0xdfe25ff8) 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 r4:86529f80 INFO: task kworker/0:74:4663 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0890000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:71:4664 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:71 state:D stack:0 pid:4664 tgid:4664 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:dfe29da4 r9:dfe29dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83f96200 r4:83f96200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83f96200 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:dfe29e28 r4:86672340 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86672340 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83f96200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f037000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e025f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86567b98 r4:86567b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86567b98 r4:8664da80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:8664dab0 r8:83f96200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8664da80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e4491e88 r8:86653f00 r7:8664da80 r6:80277df8 r5:83f96200 r4:866598c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe29fb0 to 0xdfe29ff8) 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 r4:866598c0 INFO: task kworker/1:71:4664 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0890000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:72:4665 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:72 state:D stack:0 pid:4665 tgid:4665 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:dfe2dda4 r9:dfe2ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:83faee40 r4:83faee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83faee40 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:dfe2de28 r4:86672580 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86672580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83faee40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f031000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfe3d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ae398 r4:866ae398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ae398 r4:86656180 [<802770f0>] (process_one_work) from [<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 r9:866561b0 r8:83faee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86656180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe29e88 r8:86653e00 r7:86656180 r6:80277df8 r5:83faee40 r4:86644500 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe2dfb0 to 0xdfe2dff8) 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 r4:86644500 INFO: task kworker/1:72:4665 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0a52000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:75:4666 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:75 state:D stack:0 pid:4666 tgid:4666 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:dfe31da4 r9:dfe31dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83e18c40 r4:83e18c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83e18c40 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:dfe31e28 r4:86655400 [<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 r4:86655400 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83e18c40 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:ea5b9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dcb98 r4:864dcb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dcb98 r4:86653d00 [<802770f0>] (process_one_work) from [<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 r9:86653d30 r8:83e18c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86653d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe25e88 r8:86653c80 r7:86653d00 r6:80277df8 r5:83e18c40 r4:86529f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe31fb0 to 0xdfe31ff8) 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 r4:86529f80 INFO: task kworker/0:75:4666 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0a52000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:73:4668 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:73 state:D stack:0 pid:4668 tgid:4668 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:e02f9da4 r9:e02f9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ee200 r4:866ee200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ee200 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:e02f9e28 r4:8652e0c0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652e0c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ee200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f043000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb09000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ac798 r4:866ac798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ac798 r4:86656300 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86656330 r8:866ee200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86656300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe29e88 r8:86656200 r7:86656300 r6:80277df8 r5:866ee200 r4:86654a40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe02f9fb0 to 0xe02f9ff8) 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 r4:86654a40 INFO: task kworker/1:73:4668 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0cb5000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:76:4669 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:76 state:D stack:0 pid:4669 tgid:4669 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:ea725da4 r9:ea725dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f18c40 r4:84f18c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f18c40 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:ea725e28 r4:866556c0 [<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 r4:866556c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f18c40 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:e44bd000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dcf98 r4:864dcf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dcf98 r4:86653b00 [<802770f0>] (process_one_work) from [<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 r9:86653b30 r8:84f18c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86653b00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfdcde88 r8:86656080 r7:86653b00 r6:80277df8 r5:84f18c40 r4:865bea40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea725fb0 to 0xea725ff8) 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 r4:865bea40 INFO: task kworker/0:76:4669 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0cb5000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:74:4672 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:74 state:D stack:0 pid:4672 tgid:4672 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:e01e1da4 r9:e01e1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ebd40 r4:866ebd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ebd40 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:e01e1e28 r4:86672280 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86672280 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ebd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e44d3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866adb98 r4:866adb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866adb98 r4:8666df00 [<802770f0>] (process_one_work) from [<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 r9:8666df30 r8:866ebd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666df00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666de80 r7:8666df00 r6:80277df8 r5:866ebd40 r4:86672440 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe01e1fb0 to 0xe01e1ff8) 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 r4:86672440 INFO: task kworker/1:74:4672 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0cb5000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:77:4676 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:77 state:D stack:0 pid:4676 tgid:4676 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:e44f9da4 r9:e44f9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866ec980 r4:866ec980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ec980 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:e44f9e28 r4:8664e0c0 [<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 r4:8664e0c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ec980 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:e44f1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dd798 r4:864dd798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dd798 r4:8664d400 [<802770f0>] (process_one_work) from [<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 r9:8664d430 r8:866ec980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe31e88 r8:8666df80 r7:8664d400 r6:80277df8 r5:866ec980 r4:8664e080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe44f9fb0 to 0xe44f9ff8) 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 r4:8664e080 INFO: task kworker/0:77:4676 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a137c000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:75:4677 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:75 state:D stack:0 pid:4677 tgid:4677 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:e44cdda4 r9:e44cddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ea4c0 r4:866ea4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ea4c0 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:e44cde28 r4:8652efc0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652efc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ea4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f05d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e855d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866adf98 r4:866adf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866adf98 r4:8666dc80 [<802770f0>] (process_one_work) from [<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 r9:8666dcb0 r8:866ea4c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666dc80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666dc00 r7:8666dc80 r6:80277df8 r5:866ea4c0 r4:865281c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe44cdfb0 to 0xe44cdff8) 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 r4:865281c0 INFO: task kworker/1:75:4677 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a137c000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:78:4679 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:78 state:D stack:0 pid:4679 tgid:4679 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:e8541da4 r9:e8541dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866e8c40 r4:866e8c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866e8c40 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:e8541e28 r4:86677300 [<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 r4:86677300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866e8c40 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:dfc2d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b2398 r4:866b2398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b2398 r4:86653a80 [<802770f0>] (process_one_work) from [<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 r9:86653ab0 r8:866e8c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86653a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe31e88 r8:8666da80 r7:86653a80 r6:80277df8 r5:866e8c40 r4:86655640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8541fb0 to 0xe8541ff8) 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 r4:86655640 INFO: task kworker/0:78:4679 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a1471000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:79:4681 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:79 state:D stack:0 pid:4681 tgid:4681 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:e8539da4 r9:e8539dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866eb100 r4:866eb100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866eb100 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:e8539e28 r4:86655300 [<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 r4:86655300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866eb100 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:ea613000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d5f98 r4:864d5f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d5f98 r4:86653900 [<802770f0>] (process_one_work) from [<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 r9:86653930 r8:866eb100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86653900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe31e88 r8:8666d800 r7:86653900 r6:80277df8 r5:866eb100 r4:86532580 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8539fb0 to 0xe8539ff8) 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 r4:86532580 INFO: task kworker/0:79:4681 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a167f000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:76:4682 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:76 state:D stack:0 pid:4682 tgid:4682 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:e856dda4 r9:e856ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866e8000 r4:866e8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866e8000 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:e856de28 r4:8652ed80 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652ed80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866e8000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f05f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e8565000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ad798 r4:866ad798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ad798 r4:8666d700 [<802770f0>] (process_one_work) from [<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 r9:8666d730 r8:866e8000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666d700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666d680 r7:8666d700 r6:80277df8 r5:866e8000 r4:8652ee40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe856dfb0 to 0xe856dff8) 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 r4:8652ee40 INFO: task kworker/1:76:4682 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a167f000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:77:4683 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:77 state:D stack:0 pid:4683 tgid:4683 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:ea58dda4 r9:ea58ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f56e40 r4:84f56e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f56e40 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:ea58de28 r4:8652ea00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652ea00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f56e40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f071000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea607000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b3f98 r4:866b3f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866b3f98 r4:8666d880 [<802770f0>] (process_one_work) from [<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 r9:8666d8b0 r8:84f56e40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666d880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666d900 r7:8666d880 r6:80277df8 r5:84f56e40 r4:86529ac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea58dfb0 to 0xea58dff8) 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 r4:86529ac0 INFO: task kworker/1:77:4683 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a1c1b000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:78:4687 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:78 state:D stack:0 pid:4687 tgid:4687 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:ea64dda4 r9:ea64ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84039880 r4:84039880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84039880 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:ea64de28 r4:8652e6c0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652e6c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84039880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f075000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea661000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86564f98 r4:86564f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86564f98 r4:86653a00 [<802770f0>] (process_one_work) from [<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 r9:86653a30 r8:84039880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86653a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666d580 r7:86653a00 r6:80277df8 r5:84039880 r4:865297c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea64dfb0 to 0xea64dff8) 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 r4:865297c0 INFO: task kworker/1:78:4687 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a1c1b000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:80:4690 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:80 state:D stack:0 pid:4690 tgid:4690 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:ea679da4 r9:ea679dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f56200 r4:84f56200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f56200 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:ea679e28 r4:86655100 [<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 r4:86655100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f56200 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:ea66d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dc398 r4:864dc398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dc398 r4:8667a100 [<802770f0>] (process_one_work) from [<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 r9:8667a130 r8:84f56200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8667a100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:8666d300 r7:8667a100 r6:80277df8 r5:84f56200 r4:8652ea40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea679fb0 to 0xea679ff8) 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 r4:8652ea40 INFO: task kworker/0:80:4690 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a227e000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:81:4691 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:81 state:D stack:0 pid:4691 tgid:4691 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:ea779da4 r9:ea779dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f555c0 r4:84f555c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f555c0 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:ea779e28 r4:86655140 [<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 r4:86655140 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f555c0 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:ea797000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86558798 r4:86558798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86558798 r4:8666dd80 [<802770f0>] (process_one_work) from [<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 r9:8666ddb0 r8:84f555c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8666dd80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:8666d380 r7:8666dd80 r6:80277df8 r5:84f555c0 r4:864fddc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea779fb0 to 0xea779ff8) 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 r4:864fddc0 INFO: task kworker/0:81:4691 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a227e000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:79:4693 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:79 state:D stack:0 pid:4693 tgid:4693 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:ea791da4 r9:ea791dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8486bd40 r4:8486bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8486bd40 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:ea791e28 r4:8666ff00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666ff00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8486bd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f047000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb9b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ad398 r4:866ad398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ad398 r4:8666d480 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:8666d4b0 r8:8486bd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666d480 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666d200 r7:8666d480 r6:80277df8 r5:8486bd40 r4:8652e7c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea791fb0 to 0xea791ff8) 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 r4:8652e7c0 INFO: task kworker/1:79:4693 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a27b8000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:80:4694 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:80 state:D stack:0 pid:4694 tgid:4694 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:ea795da4 r9:ea795dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f54980 r4:84f54980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f54980 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:ea795e28 r4:8652e200 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652e200 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f54980 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa89000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866acb98 r4:866acb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866acb98 r4:8666d100 [<802770f0>] (process_one_work) from [<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 r9:8666d130 r8:84f54980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666d100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea791e88 r8:8666d080 r7:8666d100 r6:80277df8 r5:84f54980 r4:8652e7c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea795fb0 to 0xea795ff8) 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 r4:8652e7c0 INFO: task kworker/1:80:4694 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a27b8000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:82:4696 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:82 state:D stack:0 pid:4696 tgid:4696 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:ea7bdda4 r9:ea7bddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84828c40 r4:84828c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84828c40 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:ea7bde28 r4:8665af40 [<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 r4:8665af40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84828c40 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:ea7c1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b3798 r4:866b3798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b3798 r4:8667a080 [<802770f0>] (process_one_work) from [<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 r9:8667a0b0 r8:84828c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8667a080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86653980 r7:8667a080 r6:80277df8 r5:84828c40 r4:85c619c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7bdfb0 to 0xea7bdff8) 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 r4:85c619c0 INFO: task kworker/0:82:4696 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a27b8000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:83:4699 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:83 state:D stack:0 pid:4699 tgid:4699 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:ea809da4 r9:ea809dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866e9880 r4:866e9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866e9880 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:ea809e28 r4:8665acc0 [<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 r4:8665acc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866e9880 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:ea805000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b3398 r4:866b3398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b3398 r4:86679f00 [<802770f0>] (process_one_work) from [<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 r9:86679f30 r8:866e9880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:8666db00 r7:86679f00 r6:80277df8 r5:866e9880 r4:86655b40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea809fb0 to 0xea809ff8) 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 r4:86655b40 INFO: task kworker/0:83:4699 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a2b51000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:84:4700 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:84 state:D stack:0 pid:4700 tgid:4700 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:ea65dda4 r9:ea65ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84043d40 r4:84043d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84043d40 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:ea65de28 r4:86529140 [<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 r4:86529140 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84043d40 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:ea811000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656a798 r4:8656a798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656a798 r4:86679e80 [<802770f0>] (process_one_work) from [<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 r9:86679eb0 r8:84043d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86679e00 r7:86679e80 r6:80277df8 r5:84043d40 r4:8665ad00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea65dfb0 to 0xea65dff8) 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 r4:8665ad00 INFO: task kworker/0:84:4700 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a2b51000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:85:4701 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:85 state:D stack:0 pid:4701 tgid:4701 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:ea5c9da4 r9:ea5c9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84048000 r4:84048000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84048000 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:ea5c9e28 r4:8652f440 [<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 r4:8652f440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84048000 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:dfaff000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864bab98 r4:864bab98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864bab98 r4:86679f80 [<802770f0>] (process_one_work) from [<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 r9:86679fb0 r8:84048000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86679d00 r7:86679f80 r6:80277df8 r5:84048000 r4:8665abc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea5c9fb0 to 0xea5c9ff8) 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 r4:8665abc0 INFO: task kworker/0:85:4701 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a2b51000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:86:4702 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:86 state:D stack:0 pid:4702 tgid:4702 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:ea82dda4 r9:ea82ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f1c980 r4:84f1c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f1c980 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:ea82de28 r4:86677440 [<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 r4:86677440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f1c980 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:df9ed000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656b798 r4:8656b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656b798 r4:8667a000 [<802770f0>] (process_one_work) from [<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 r9:8667a030 r8:84f1c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8667a000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea5c9e88 r8:86679c00 r7:8667a000 r6:80277df8 r5:84f1c980 r4:8665ab40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea82dfb0 to 0xea82dff8) 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 r4:8665ab40 INFO: task kworker/0:86:4702 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a30aa000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:87:4708 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:87 state:D stack:0 pid:4708 tgid:4708 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:df9bdda4 r9:df9bddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84828000 r4:84828000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84828000 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:df9bde28 r4:86677380 [<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 r4:86677380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84828000 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:dfb91000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b2f98 r4:866b2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b2f98 r4:86670d80 [<802770f0>] (process_one_work) from [<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 r9:86670db0 r8:84828000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86670d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86679b00 r7:86670d80 r6:80277df8 r5:84828000 r4:86654a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9bdfb0 to 0xdf9bdff8) 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 r4:86654a00 INFO: task kworker/0:87:4708 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a30aa000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:81:4710 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:81 state:D stack:0 pid:4710 tgid:4710 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:dfb89da4 r9:dfb89dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f53d40 r4:84f53d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f53d40 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:dfb89e28 r4:8666f8c0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666f8c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f53d40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0371000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dbf98 r4:864dbf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864dbf98 r4:86670e00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86670e30 r8:84f53d40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670e00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea791e88 r8:86670e80 r7:86670e00 r6:80277df8 r5:84f53d40 r4:86532f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb89fb0 to 0xdfb89ff8) 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 r4:86532f80 INFO: task kworker/1:81:4710 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a32c1000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:82:4712 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:82 state:D stack:0 pid:4712 tgid:4712 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:dfb8dda4 r9:dfb8ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:8670c980 r4:8670c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670c980 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:dfb8de28 r4:8666fb80 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666fb80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670c980 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f049000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc19000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dbb98 r4:864dbb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864dbb98 r4:86670b80 [<802770f0>] (process_one_work) from [<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 r9:86670bb0 r8:8670c980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670b80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb89e88 r8:86670b00 r7:86670b80 r6:80277df8 r5:8670c980 r4:86647640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb8dfb0 to 0xdfb8dff8) 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 r4:86647640 INFO: task kworker/1:82:4712 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a380c000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:88:4713 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:88 state:D stack:0 pid:4713 tgid:4713 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:dfbf5da4 r9:dfbf5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8670d5c0 r4:8670d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670d5c0 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:dfbf5e28 r4:86678ec0 [<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 r4:86678ec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f051000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0331000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b2b98 r4:866b2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b2b98 r4:86670c80 [<802770f0>] (process_one_work) from [<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 r9:86670cb0 r8:8670d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86670c80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86670d00 r7:86670c80 r6:80277df8 r5:8670d5c0 r4:865bea40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbf5fb0 to 0xdfbf5ff8) 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 r4:865bea40 INFO: task kworker/0:88:4713 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a3b89000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:83:4714 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:83 state:D stack:0 pid:4714 tgid:4714 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:dfc01da4 r9:dfc01dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8670bd40 r4:8670bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670bd40 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:dfc01e28 r4:86660040 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86660040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670bd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f059000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0471000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656a398 r4:8656a398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:8656a398 r4:86670980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:866709b0 r8:8670bd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb89e88 r8:86670900 r7:86670980 r6:80277df8 r5:8670bd40 r4:86647640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc01fb0 to 0xdfc01ff8) 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 r4:86647640 INFO: task kworker/1:83:4714 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a3b89000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:84:4717 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:84 state:D stack:0 pid:4717 tgid:4717 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:dfc25da4 r9:dfc25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8670b100 r4:8670b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670b100 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:dfc25e28 r4:86660340 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86660340 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670b100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f057000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e03d5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864daf98 r4:864daf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864daf98 r4:86670800 [<802770f0>] (process_one_work) from [<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 r9:86670830 r8:8670b100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670800 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb89e88 r8:86670780 r7:86670800 r6:80277df8 r5:8670b100 r4:8666bac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc25fb0 to 0xdfc25ff8) 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 r4:8666bac0 INFO: task kworker/1:84:4717 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a3b89000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:89:4718 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_t <> rom [<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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:64:4616 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:64 state:D stack:0 pid:4616 tgid:4616 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:dfad5da4 r9:dfad5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84829880 r4:84829880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84829880 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:dfad5e28 r4:86659d00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659d00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84829880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f043000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfab5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86564b98 r4:86564b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86564b98 r4:86650e00 [<802770f0>] (process_one_work) from [<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 r9:86650e30 r8:84829880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650e00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfab9e88 r8:86650d80 r7:86650e00 r6:80277df8 r5:84829880 r4:8664b6c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfad5fb0 to 0xdfad5ff8) 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 r4:8664b6c0 INFO: task kworker/1:64:4616 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:59:4617 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:59 state:D stack:0 pid:4617 tgid:4617 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:dfb29da4 r9:dfb29dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866f8000 r4:866f8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f8000 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:dfb29e28 r4:86654040 [<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 r4:86654040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f049000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb61000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864c5798 r4:864c5798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864c5798 r4:8664df80 [<802770f0>] (process_one_work) from [<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 r9:8664dfb0 r8:866f8000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664df80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea611e88 r8:86650900 r7:8664df80 r6:80277df8 r5:866f8000 r4:86532240 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb29fb0 to 0xdfb29ff8) 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 r4:86532240 INFO: task kworker/0:59:4617 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:65:4620 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:65 state:D stack:0 pid:4620 tgid:4620 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:ea695da4 r9:ea695dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866f6e40 r4:866f6e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f6e40 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:ea695e28 r4:86659bc0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659bc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f6e40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f04b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfbaf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d6f98 r4:864d6f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864d6f98 r4:86650a00 [<802770f0>] (process_one_work) from [<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 r9:86650a30 r8:866f6e40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea671e88 r8:86650a80 r7:86650a00 r6:80277df8 r5:866f6e40 r4:863d3200 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea695fb0 to 0xea695ff8) 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 r4:863d3200 INFO: task kworker/1:65:4620 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:60:4622 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:60 state:D stack:0 pid:4622 tgid:4622 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 r5:8404e200 r4:8404e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8404e200 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 r4:8666f180 [<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 r4:8666f180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8404e200 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:ea74b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864def98 r4:864def98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864def98 r4:86651180 [<802770f0>] (process_one_work) from [<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 r9:866511b0 r8:8404e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86651180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea611e88 r8:86650b80 r7:86651180 r6:80277df8 r5:8404e200 r4:86654140 [<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 r4:86654140 INFO: task kworker/0:60:4622 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:66:4624 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:66 state:D stack:0 pid:4624 tgid:4624 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:dfb55da4 r9:dfb55dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f6200 r4:866f6200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f6200 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:dfb55e28 r4:86659480 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f061000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e03b5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d9398 r4:864d9398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864d9398 r4:86650c80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86650cb0 r8:866f6200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650c80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea671e88 r8:8664de80 r7:86650c80 r6:80277df8 r5:866f6200 r4:8666b1c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb55fb0 to 0xdfb55ff8) 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 r4:8666b1c0 INFO: task kworker/1:66:4624 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:61:4627 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:61 state:D stack:0 pid:4627 tgid:4627 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:dfca5da4 r9:dfca5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83fb4980 r4:83fb4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83fb4980 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:dfca5e28 r4:86669980 [<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 r4:86669980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83fb4980 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:dfc85000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d4f98 r4:864d4f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d4f98 r4:8664dd00 [<802770f0>] (process_one_work) from [<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 r9:8664dd30 r8:83fb4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664dd00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664df00 r7:8664dd00 r6:80277df8 r5:83fb4980 r4:86669a40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfca5fb0 to 0xdfca5ff8) 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 r4:86669a40 INFO: task kworker/0:61:4627 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:62:4628 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:62 state:D stack:0 pid:4628 tgid:4628 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:dfca9da4 r9:dfca9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f55c0 r4:866f55c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f55c0 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:dfca9e28 r4:866697c0 [<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 r4:866697c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f55c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f051000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc93000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d5798 r4:864d5798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d5798 r4:8664db80 [<802770f0>] (process_one_work) from [<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 r9:8664dbb0 r8:866f55c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664db80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:86650780 r7:8664db80 r6:80277df8 r5:866f55c0 r4:86669840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfca9fb0 to 0xdfca9ff8) 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 r4:86669840 INFO: task kworker/0:62:4628 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:63:4629 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 state:D stack:0 pid:4629 tgid:4629 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:e0205da4 r9:e0205dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f18000 r4:84f18000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f18000 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:e0205e28 r4:866540c0 [<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 r4:866540c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f18000 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:e0365000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d4798 r4:864d4798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d4798 r4:8664db00 [<802770f0>] (process_one_work) from [<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 r9:8664db30 r8:84f18000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664db00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664dc00 r7:8664db00 r6:80277df8 r5:84f18000 r4:8666b180 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0205fb0 to 0xe0205ff8) 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 r4:8666b180 INFO: task kworker/0:63:4629 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:64:4630 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 state:D stack:0 pid:4630 tgid:4630 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:e02f1da4 r9:e02f1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f4980 r4:866f4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f4980 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:e02f1e28 r4:86669380 [<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 r4:86669380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f4980 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:e0305000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d5398 r4:864d5398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d5398 r4:8664d680 [<802770f0>] (process_one_work) from [<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 r9:8664d6b0 r8:866f4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0205e88 r8:86650280 r7:8664d680 r6:80277df8 r5:866f4980 r4:866695c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe02f1fb0 to 0xe02f1ff8) 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 r4:866695c0 INFO: task kworker/0:64:4630 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:67:4631 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:67 state:D stack:0 pid:4631 tgid:4631 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:e02f5da4 r9:e02f5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f3d40 r4:866f3d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f3d40 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:e02f5e28 r4:86659580 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86659580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f3d40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e02d5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866aeb98 r4:866aeb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866aeb98 r4:86650180 [<802770f0>] (process_one_work) from [<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 r9:866501b0 r8:866f3d40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb55e88 r8:86650100 r7:86650180 r6:80277df8 r5:866f3d40 r4:866598c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe02f5fb0 to 0xe02f5ff8) 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 r4:866598c0 INFO: task kworker/1:67:4631 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:65:4637 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:4637 tgid:4637 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:e03adda4 r9:e03addac r8:00000002 r7:60000013 r6:82cd9e0c r5:866f3100 r4:866f3100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f3100 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:e03ade28 r4:86669640 [<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 r4:86669640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f3100 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:e03a5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d4398 r4:864d4398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d4398 r4:8664d780 [<802770f0>] (process_one_work) from [<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 r9:8664d7b0 r8:866f3100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:86650000 r7:8664d780 r6:80277df8 r5:866f3100 r4:86669240 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03adfb0 to 0xe03adff8) 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 r4:86669240 INFO: task kworker/0:65:4637 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:66:4638 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:66 state:D stack:0 pid:4638 tgid:4638 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:e03e9da4 r9:e03e9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f1880 r4:866f1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f1880 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:e03e9e28 r4:8664ae40 [<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 r4:8664ae40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f1880 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:ea685000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656bb98 r4:8656bb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656bb98 r4:86650300 [<802770f0>] (process_one_work) from [<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 r9:86650330 r8:866f1880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86650300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8663cf80 r7:86650300 r6:80277df8 r5:866f1880 r4:86669080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03e9fb0 to 0xe03e9ff8) 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 r4:86669080 INFO: task kworker/0:66:4638 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:68:4639 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:68 state:D stack:0 pid:4639 tgid:4639 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:e03fdda4 r9:e03fddac r8:00000002 r7:60000013 r6:82cd9e0c r5:866f0c40 r4:866f0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f0c40 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:e03fde28 r4:86654ec0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86654ec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f0c40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f065000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e045f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864b8f98 r4:864b8f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864b8f98 r4:86650600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86650630 r8:866f0c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea671e88 r8:8663ce80 r7:86650600 r6:80277df8 r5:866f0c40 r4:8619d840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03fdfb0 to 0xe03fdff8) 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 r4:8619d840 INFO: task kworker/1:68:4639 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 99fb2000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:69:4643 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:69 state:D stack:0 pid:4643 tgid:4643 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 r5:866f0000 r4:866f0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f0000 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 r4:8663ec40 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8663ec40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f0000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f07f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea75f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656bf98 r4:8656bf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:8656bf98 r4:86650580 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:866505b0 r8:866f0000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e03fde88 r8:86650500 r7:86650580 r6:80277df8 r5:866f0000 r4:86654fc0 [<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 r4:86654fc0 INFO: task kworker/1:69:4643 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:70:4644 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:70 state:D stack:0 pid:4644 tgid:4644 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:e4491da4 r9:e4491dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866eee40 r4:866eee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866eee40 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:e4491e28 r4:86654c00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86654c00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866eee40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f02d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfd97000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864c8798 r4:864c8798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864c8798 r4:86650400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86650430 r8:866eee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86650400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa39e88 r8:8663cd80 r7:86650400 r6:80277df8 r5:866eee40 r4:8663d040 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4491fb0 to 0xe4491ff8) 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 r4:8663d040 INFO: task kworker/1:70:4644 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:67:4646 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:4646 tgid:4646 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:ea6b1da4 r9:ea6b1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ed5c0 r4:866ed5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ed5c0 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:ea6b1e28 r4:8666f740 [<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 r4:8666f740 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ed5c0 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:ea6a7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656b398 r4:8656b398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656b398 r4:8664d700 [<802770f0>] (process_one_work) from [<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 r9:8664d730 r8:866ed5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8663cc00 r7:8664d700 r6:80277df8 r5:866ed5c0 r4:8664ad00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6b1fb0 to 0xea6b1ff8) 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 r4:8664ad00 INFO: task kworker/0:67:4646 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:68:4648 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:68 state:D stack:0 pid:4648 tgid:4648 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:ea6cdda4 r9:ea6cddac r8:00000002 r7:60000013 r6:82cd9e0c r5:833e8000 r4:833e8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:833e8000 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:ea6cde28 r4:8666f640 [<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 r4:8666f640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:833e8000 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:ea6c7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656af98 r4:8656af98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656af98 r4:8664d980 [<802770f0>] (process_one_work) from [<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 r9:8664d9b0 r8:833e8000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664da00 r7:8664d980 r6:80277df8 r5:833e8000 r4:8664b880 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6cdfb0 to 0xea6cdff8) 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 r4:8664b880 INFO: task kworker/0:68:4648 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:69:4650 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:69 state:D stack:0 pid:4650 tgid:4650 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:ea69dda4 r9:ea69ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:84053d40 r4:84053d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84053d40 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:ea69de28 r4:8666f400 [<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 r4:8666f400 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84053d40 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:ea703000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86558b98 r4:86558b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86558b98 r4:8663cc80 [<802770f0>] (process_one_work) from [<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 r9:8663ccb0 r8:84053d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663cc80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664d580 r7:8663cc80 r6:80277df8 r5:84053d40 r4:8664ba00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea69dfb0 to 0xea69dff8) 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 r4:8664ba00 INFO: task kworker/0:69:4650 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:70:4652 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:70 state:D stack:0 pid:4652 tgid:4652 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:ea731da4 r9:ea731dac r8:00000002 r7:60000113 r6:82cd9e0c r5:845e9880 r4:845e9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:845e9880 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:ea731e28 r4:86655e40 [<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 r4:86655e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:845e9880 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:dfce7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864de798 r4:864de798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864de798 r4:8664dc80 [<802770f0>] (process_one_work) from [<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 r9:8664dcb0 r8:845e9880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664dc80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf1e88 r8:8664d800 r7:8664dc80 r6:80277df8 r5:845e9880 r4:86649cc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea731fb0 to 0xea731ff8) 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 r4:86649cc0 INFO: task kworker/0:70:4652 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:71:4655 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:71 state:D stack:0 pid:4655 tgid:4655 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 r7:60000113 r6:82cd9e0c r5:84870c40 r4:84870c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84870c40 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 r4:8666f000 [<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 r4:8666f000 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84870c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfdaf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864deb98 r4:864deb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864deb98 r4:8664d180 [<802770f0>] (process_one_work) from [<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 r9:8664d1b0 r8:84870c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea731e88 r8:8664d100 r7:8664d180 r6:80277df8 r5:84870c40 r4:8664f680 [<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 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8664f680 INFO: task kworker/0:71:4655 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:72:4656 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:72 state:D stack:0 pid:4656 tgid:4656 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:dfcd5da4 r9:dfcd5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84046200 r4:84046200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84046200 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:dfcd5e28 r4:86655d40 [<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 r4:86655d40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84046200 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:dfd6f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864de398 r4:864de398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864de398 r4:8664d200 [<802770f0>] (process_one_work) from [<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 r9:8664d230 r8:84046200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea731e88 r8:8664d280 r7:8664d200 r6:80277df8 r5:84046200 r4:8664ad80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcd5fb0 to 0xdfcd5ff8) 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 r4:8664ad80 INFO: task kworker/0:72:4656 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:73:4661 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:73 state:D stack:0 pid:4661 tgid:4661 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:dfdcdda4 r9:dfdcddac r8:00000002 r7:60000113 r6:82cd9e0c r5:845e8c40 r4:845e8c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:845e8c40 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:dfdcde28 r4:86655880 [<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 r4:86655880 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:845e8c40 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:e01d5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dd398 r4:864dd398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dd398 r4:8664d880 [<802770f0>] (process_one_work) from [<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 r9:8664d8b0 r8:845e8c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea771e88 r8:8664d380 r7:8664d880 r6:80277df8 r5:845e8c40 r4:8666f480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfdcdfb0 to 0xdfdcdff8) 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 r4:8666f480 INFO: task kworker/0:73:4661 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: 9a5b4000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:74:4663 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:74 state:D stack:0 pid:4663 tgid:4663 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:dfe25da4 r9:dfe25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866f24c0 r4:866f24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866f24c0 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:dfe25e28 r4:866559c0 [<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 r4:866559c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866f24c0 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:dfe47000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864ddf98 r4:864ddf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864ddf98 r4:86656280 [<802770f0>] (process_one_work) from [<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 r9:866562b0 r8:866f24c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86656280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfdcde88 r8:8664d000 r7:86656280 r6:80277df8 r5:866f24c0 r4:86529f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe25fb0 to 0xdfe25ff8) 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 r4:86529f80 INFO: task kworker/0:74:4663 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0890000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:71:4664 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:71 state:D stack:0 pid:4664 tgid:4664 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:dfe29da4 r9:dfe29dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83f96200 r4:83f96200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83f96200 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:dfe29e28 r4:86672340 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86672340 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83f96200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f037000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e025f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86567b98 r4:86567b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86567b98 r4:8664da80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:8664dab0 r8:83f96200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8664da80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e4491e88 r8:86653f00 r7:8664da80 r6:80277df8 r5:83f96200 r4:866598c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe29fb0 to 0xdfe29ff8) 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 r4:866598c0 INFO: task kworker/1:71:4664 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0890000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:72:4665 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:72 state:D stack:0 pid:4665 tgid:4665 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:dfe2dda4 r9:dfe2ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:83faee40 r4:83faee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83faee40 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:dfe2de28 r4:86672580 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86672580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83faee40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f031000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfe3d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ae398 r4:866ae398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ae398 r4:86656180 [<802770f0>] (process_one_work) from [<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 r9:866561b0 r8:83faee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86656180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe29e88 r8:86653e00 r7:86656180 r6:80277df8 r5:83faee40 r4:86644500 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe2dfb0 to 0xdfe2dff8) 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 r4:86644500 INFO: task kworker/1:72:4665 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0a52000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:75:4666 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:75 state:D stack:0 pid:4666 tgid:4666 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:dfe31da4 r9:dfe31dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83e18c40 r4:83e18c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83e18c40 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:dfe31e28 r4:86655400 [<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 r4:86655400 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83e18c40 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:ea5b9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dcb98 r4:864dcb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dcb98 r4:86653d00 [<802770f0>] (process_one_work) from [<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 r9:86653d30 r8:83e18c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86653d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe25e88 r8:86653c80 r7:86653d00 r6:80277df8 r5:83e18c40 r4:86529f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe31fb0 to 0xdfe31ff8) 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 r4:86529f80 INFO: task kworker/0:75:4666 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0a52000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:73:4668 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:73 state:D stack:0 pid:4668 tgid:4668 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:e02f9da4 r9:e02f9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ee200 r4:866ee200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ee200 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:e02f9e28 r4:8652e0c0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652e0c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ee200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f043000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb09000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ac798 r4:866ac798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ac798 r4:86656300 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86656330 r8:866ee200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86656300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe29e88 r8:86656200 r7:86656300 r6:80277df8 r5:866ee200 r4:86654a40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe02f9fb0 to 0xe02f9ff8) 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 r4:86654a40 INFO: task kworker/1:73:4668 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0cb5000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:76:4669 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:76 state:D stack:0 pid:4669 tgid:4669 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:ea725da4 r9:ea725dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f18c40 r4:84f18c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f18c40 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:ea725e28 r4:866556c0 [<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 r4:866556c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f18c40 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:e44bd000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dcf98 r4:864dcf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dcf98 r4:86653b00 [<802770f0>] (process_one_work) from [<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 r9:86653b30 r8:84f18c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86653b00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfdcde88 r8:86656080 r7:86653b00 r6:80277df8 r5:84f18c40 r4:865bea40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea725fb0 to 0xea725ff8) 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 r4:865bea40 INFO: task kworker/0:76:4669 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0cb5000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:74:4672 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:74 state:D stack:0 pid:4672 tgid:4672 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:e01e1da4 r9:e01e1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ebd40 r4:866ebd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ebd40 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:e01e1e28 r4:86672280 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86672280 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ebd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e44d3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866adb98 r4:866adb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866adb98 r4:8666df00 [<802770f0>] (process_one_work) from [<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 r9:8666df30 r8:866ebd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666df00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666de80 r7:8666df00 r6:80277df8 r5:866ebd40 r4:86672440 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe01e1fb0 to 0xe01e1ff8) 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 r4:86672440 INFO: task kworker/1:74:4672 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a0cb5000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:77:4676 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:77 state:D stack:0 pid:4676 tgid:4676 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:e44f9da4 r9:e44f9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866ec980 r4:866ec980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ec980 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:e44f9e28 r4:8664e0c0 [<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 r4:8664e0c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ec980 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:e44f1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dd798 r4:864dd798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dd798 r4:8664d400 [<802770f0>] (process_one_work) from [<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 r9:8664d430 r8:866ec980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8664d400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe31e88 r8:8666df80 r7:8664d400 r6:80277df8 r5:866ec980 r4:8664e080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe44f9fb0 to 0xe44f9ff8) 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 r4:8664e080 INFO: task kworker/0:77:4676 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a137c000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:75:4677 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:75 state:D stack:0 pid:4677 tgid:4677 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:e44cdda4 r9:e44cddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ea4c0 r4:866ea4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ea4c0 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:e44cde28 r4:8652efc0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652efc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ea4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f05d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e855d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866adf98 r4:866adf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866adf98 r4:8666dc80 [<802770f0>] (process_one_work) from [<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 r9:8666dcb0 r8:866ea4c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666dc80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666dc00 r7:8666dc80 r6:80277df8 r5:866ea4c0 r4:865281c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe44cdfb0 to 0xe44cdff8) 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 r4:865281c0 INFO: task kworker/1:75:4677 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a137c000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:78:4679 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:78 state:D stack:0 pid:4679 tgid:4679 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:e8541da4 r9:e8541dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866e8c40 r4:866e8c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866e8c40 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:e8541e28 r4:86677300 [<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 r4:86677300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866e8c40 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:dfc2d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b2398 r4:866b2398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b2398 r4:86653a80 [<802770f0>] (process_one_work) from [<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 r9:86653ab0 r8:866e8c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86653a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe31e88 r8:8666da80 r7:86653a80 r6:80277df8 r5:866e8c40 r4:86655640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8541fb0 to 0xe8541ff8) 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 r4:86655640 INFO: task kworker/0:78:4679 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a1471000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:79:4681 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:79 state:D stack:0 pid:4681 tgid:4681 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:e8539da4 r9:e8539dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866eb100 r4:866eb100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866eb100 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:e8539e28 r4:86655300 [<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 r4:86655300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866eb100 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:ea613000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d5f98 r4:864d5f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d5f98 r4:86653900 [<802770f0>] (process_one_work) from [<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 r9:86653930 r8:866eb100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86653900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe31e88 r8:8666d800 r7:86653900 r6:80277df8 r5:866eb100 r4:86532580 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8539fb0 to 0xe8539ff8) 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 r4:86532580 INFO: task kworker/0:79:4681 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a167f000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:76:4682 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:76 state:D stack:0 pid:4682 tgid:4682 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:e856dda4 r9:e856ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866e8000 r4:866e8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866e8000 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:e856de28 r4:8652ed80 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652ed80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866e8000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f05f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e8565000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ad798 r4:866ad798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ad798 r4:8666d700 [<802770f0>] (process_one_work) from [<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 r9:8666d730 r8:866e8000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666d700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666d680 r7:8666d700 r6:80277df8 r5:866e8000 r4:8652ee40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe856dfb0 to 0xe856dff8) 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 r4:8652ee40 INFO: task kworker/1:76:4682 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a167f000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:77:4683 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:77 state:D stack:0 pid:4683 tgid:4683 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:ea58dda4 r9:ea58ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f56e40 r4:84f56e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f56e40 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:ea58de28 r4:8652ea00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652ea00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f56e40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f071000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea607000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b3f98 r4:866b3f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866b3f98 r4:8666d880 [<802770f0>] (process_one_work) from [<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 r9:8666d8b0 r8:84f56e40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666d880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666d900 r7:8666d880 r6:80277df8 r5:84f56e40 r4:86529ac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea58dfb0 to 0xea58dff8) 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 r4:86529ac0 INFO: task kworker/1:77:4683 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a1c1b000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:78:4687 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:78 state:D stack:0 pid:4687 tgid:4687 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:ea64dda4 r9:ea64ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84039880 r4:84039880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84039880 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:ea64de28 r4:8652e6c0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652e6c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84039880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f075000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea661000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86564f98 r4:86564f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86564f98 r4:86653a00 [<802770f0>] (process_one_work) from [<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 r9:86653a30 r8:84039880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86653a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666d580 r7:86653a00 r6:80277df8 r5:84039880 r4:865297c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea64dfb0 to 0xea64dff8) 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 r4:865297c0 INFO: task kworker/1:78:4687 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a1c1b000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:80:4690 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:80 state:D stack:0 pid:4690 tgid:4690 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:ea679da4 r9:ea679dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f56200 r4:84f56200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f56200 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:ea679e28 r4:86655100 [<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 r4:86655100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f56200 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:ea66d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dc398 r4:864dc398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dc398 r4:8667a100 [<802770f0>] (process_one_work) from [<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 r9:8667a130 r8:84f56200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8667a100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:8666d300 r7:8667a100 r6:80277df8 r5:84f56200 r4:8652ea40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea679fb0 to 0xea679ff8) 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 r4:8652ea40 INFO: task kworker/0:80:4690 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a227e000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:81:4691 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:81 state:D stack:0 pid:4691 tgid:4691 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:ea779da4 r9:ea779dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f555c0 r4:84f555c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f555c0 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:ea779e28 r4:86655140 [<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 r4:86655140 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f555c0 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:ea797000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86558798 r4:86558798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86558798 r4:8666dd80 [<802770f0>] (process_one_work) from [<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 r9:8666ddb0 r8:84f555c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8666dd80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:8666d380 r7:8666dd80 r6:80277df8 r5:84f555c0 r4:864fddc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea779fb0 to 0xea779ff8) 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 r4:864fddc0 INFO: task kworker/0:81:4691 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a227e000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:79:4693 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:79 state:D stack:0 pid:4693 tgid:4693 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:ea791da4 r9:ea791dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8486bd40 r4:8486bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8486bd40 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:ea791e28 r4:8666ff00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666ff00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8486bd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f047000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb9b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ad398 r4:866ad398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866ad398 r4:8666d480 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:8666d4b0 r8:8486bd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666d480 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02f9e88 r8:8666d200 r7:8666d480 r6:80277df8 r5:8486bd40 r4:8652e7c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea791fb0 to 0xea791ff8) 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 r4:8652e7c0 INFO: task kworker/1:79:4693 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a27b8000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:80:4694 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:80 state:D stack:0 pid:4694 tgid:4694 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:ea795da4 r9:ea795dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f54980 r4:84f54980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f54980 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:ea795e28 r4:8652e200 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8652e200 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f54980 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa89000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866acb98 r4:866acb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866acb98 r4:8666d100 [<802770f0>] (process_one_work) from [<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 r9:8666d130 r8:84f54980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8666d100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea791e88 r8:8666d080 r7:8666d100 r6:80277df8 r5:84f54980 r4:8652e7c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea795fb0 to 0xea795ff8) 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 r4:8652e7c0 INFO: task kworker/1:80:4694 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a27b8000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:82:4696 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:82 state:D stack:0 pid:4696 tgid:4696 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:ea7bdda4 r9:ea7bddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84828c40 r4:84828c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84828c40 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:ea7bde28 r4:8665af40 [<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 r4:8665af40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84828c40 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:ea7c1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b3798 r4:866b3798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b3798 r4:8667a080 [<802770f0>] (process_one_work) from [<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 r9:8667a0b0 r8:84828c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8667a080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86653980 r7:8667a080 r6:80277df8 r5:84828c40 r4:85c619c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7bdfb0 to 0xea7bdff8) 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 r4:85c619c0 INFO: task kworker/0:82:4696 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a27b8000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:83:4699 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:83 state:D stack:0 pid:4699 tgid:4699 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:ea809da4 r9:ea809dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866e9880 r4:866e9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866e9880 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:ea809e28 r4:8665acc0 [<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 r4:8665acc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866e9880 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:ea805000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b3398 r4:866b3398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b3398 r4:86679f00 [<802770f0>] (process_one_work) from [<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 r9:86679f30 r8:866e9880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:8666db00 r7:86679f00 r6:80277df8 r5:866e9880 r4:86655b40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea809fb0 to 0xea809ff8) 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 r4:86655b40 INFO: task kworker/0:83:4699 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a2b51000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:84:4700 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:84 state:D stack:0 pid:4700 tgid:4700 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:ea65dda4 r9:ea65ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84043d40 r4:84043d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84043d40 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:ea65de28 r4:86529140 [<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 r4:86529140 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84043d40 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:ea811000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656a798 r4:8656a798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656a798 r4:86679e80 [<802770f0>] (process_one_work) from [<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 r9:86679eb0 r8:84043d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86679e00 r7:86679e80 r6:80277df8 r5:84043d40 r4:8665ad00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea65dfb0 to 0xea65dff8) 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 r4:8665ad00 INFO: task kworker/0:84:4700 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a2b51000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:85:4701 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:85 state:D stack:0 pid:4701 tgid:4701 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:ea5c9da4 r9:ea5c9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84048000 r4:84048000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84048000 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:ea5c9e28 r4:8652f440 [<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 r4:8652f440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84048000 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:dfaff000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864bab98 r4:864bab98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864bab98 r4:86679f80 [<802770f0>] (process_one_work) from [<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 r9:86679fb0 r8:84048000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86679d00 r7:86679f80 r6:80277df8 r5:84048000 r4:8665abc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea5c9fb0 to 0xea5c9ff8) 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 r4:8665abc0 INFO: task kworker/0:85:4701 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a2b51000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:86:4702 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:86 state:D stack:0 pid:4702 tgid:4702 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:ea82dda4 r9:ea82ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f1c980 r4:84f1c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f1c980 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:ea82de28 r4:86677440 [<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 r4:86677440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f1c980 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:df9ed000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656b798 r4:8656b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8656b798 r4:8667a000 [<802770f0>] (process_one_work) from [<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 r9:8667a030 r8:84f1c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8667a000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea5c9e88 r8:86679c00 r7:8667a000 r6:80277df8 r5:84f1c980 r4:8665ab40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea82dfb0 to 0xea82dff8) 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 r4:8665ab40 INFO: task kworker/0:86:4702 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a30aa000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:87:4708 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:87 state:D stack:0 pid:4708 tgid:4708 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:df9bdda4 r9:df9bddac r8:00000002 r7:60000113 r6:82cd9e0c r5:84828000 r4:84828000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84828000 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:df9bde28 r4:86677380 [<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 r4:86677380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84828000 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:dfb91000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b2f98 r4:866b2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b2f98 r4:86670d80 [<802770f0>] (process_one_work) from [<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 r9:86670db0 r8:84828000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86670d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86679b00 r7:86670d80 r6:80277df8 r5:84828000 r4:86654a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9bdfb0 to 0xdf9bdff8) 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 r4:86654a00 INFO: task kworker/0:87:4708 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a30aa000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:81:4710 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:81 state:D stack:0 pid:4710 tgid:4710 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:dfb89da4 r9:dfb89dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f53d40 r4:84f53d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f53d40 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:dfb89e28 r4:8666f8c0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666f8c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f53d40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0371000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dbf98 r4:864dbf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864dbf98 r4:86670e00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86670e30 r8:84f53d40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670e00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea791e88 r8:86670e80 r7:86670e00 r6:80277df8 r5:84f53d40 r4:86532f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb89fb0 to 0xdfb89ff8) 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 r4:86532f80 INFO: task kworker/1:81:4710 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a32c1000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:82:4712 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:82 state:D stack:0 pid:4712 tgid:4712 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:dfb8dda4 r9:dfb8ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:8670c980 r4:8670c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670c980 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:dfb8de28 r4:8666fb80 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8666fb80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670c980 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f049000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfc19000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dbb98 r4:864dbb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864dbb98 r4:86670b80 [<802770f0>] (process_one_work) from [<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 r9:86670bb0 r8:8670c980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670b80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb89e88 r8:86670b00 r7:86670b80 r6:80277df8 r5:8670c980 r4:86647640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb8dfb0 to 0xdfb8dff8) 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 r4:86647640 INFO: task kworker/1:82:4712 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a380c000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:88:4713 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:88 state:D stack:0 pid:4713 tgid:4713 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:dfbf5da4 r9:dfbf5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8670d5c0 r4:8670d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670d5c0 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:dfbf5e28 r4:86678ec0 [<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 r4:86678ec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670d5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f051000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0331000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b2b98 r4:866b2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b2b98 r4:86670c80 [<802770f0>] (process_one_work) from [<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 r9:86670cb0 r8:8670d5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86670c80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8541e88 r8:86670d00 r7:86670c80 r6:80277df8 r5:8670d5c0 r4:865bea40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbf5fb0 to 0xdfbf5ff8) 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 r4:865bea40 INFO: task kworker/0:88:4713 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a3b89000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:83:4714 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:83 state:D stack:0 pid:4714 tgid:4714 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:dfc01da4 r9:dfc01dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8670bd40 r4:8670bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670bd40 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:dfc01e28 r4:86660040 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86660040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670bd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f059000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0471000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8656a398 r4:8656a398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:8656a398 r4:86670980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:866709b0 r8:8670bd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb89e88 r8:86670900 r7:86670980 r6:80277df8 r5:8670bd40 r4:86647640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc01fb0 to 0xdfc01ff8) 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 r4:86647640 INFO: task kworker/1:83:4714 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a3b89000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:84:4717 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:84 state:D stack:0 pid:4717 tgid:4717 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:dfc25da4 r9:dfc25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8670b100 r4:8670b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670b100 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:dfc25e28 r4:86660340 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86660340 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670b100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f057000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e03d5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864daf98 r4:864daf98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864daf98 r4:86670800 [<802770f0>] (process_one_work) from [<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 r9:86670830 r8:8670b100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670800 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb89e88 r8:86670780 r7:86670800 r6:80277df8 r5:8670b100 r4:8666bac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc25fb0 to 0xdfc25ff8) 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 r4:8666bac0 INFO: task kworker/1:84:4717 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a3b89000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:89:4718 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:89 state:D stack:0 pid:4718 tgid:4718 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:dfa05da4 r9:dfa05dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f53100 r4:84f53100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f53100 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:dfa05e28 r4:86677180 [<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 r4:86677180 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f53100 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:e01d7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b1f98 r4:866b1f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b1f98 r4:86670c00 [<802770f0>] (process_one_work) from [<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 r9:86670c30 r8:84f53100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86670c00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf5e88 r8:86679980 r7:86670c00 r6:80277df8 r5:84f53100 r4:865c6f40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa05fb0 to 0xdfa05ff8) 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 r4:865c6f40 INFO: task kworker/0:89:4718 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a3f48000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:90:4721 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:90 state:D stack:0 pid:4721 tgid:4721 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:dfcb1da4 r9:dfcb1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:860e24c0 r4:860e24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860e24c0 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:dfcb1e28 r4:86677080 [<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 r4:86677080 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860e24c0 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:e01f7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86558398 r4:86558398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86558398 r4:86679800 [<802770f0>] (process_one_work) from [<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 r9:86679830 r8:860e24c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679800 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf5e88 r8:86679780 r7:86679800 r6:80277df8 r5:860e24c0 r4:86677240 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcb1fb0 to 0xdfcb1ff8) 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 r4:86677240 INFO: task kworker/0:90:4721 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a3fce000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:91:4723 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:91 state:D stack:0 pid:4723 tgid:4723 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:e0311da4 r9:e0311dac r8:00000002 r7:60000113 r6:82cd9e0c r5:860e0c40 r4:860e0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860e0c40 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:e0311e28 r4:86678dc0 [<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 r4:86678dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860e0c40 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:e448d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b1398 r4:866b1398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b1398 r4:86679600 [<802770f0>] (process_one_work) from [<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 r9:86679630 r8:860e0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbf5e88 r8:86679580 r7:86679600 r6:80277df8 r5:860e0c40 r4:865c1800 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0311fb0 to 0xe0311ff8) 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 r4:865c1800 INFO: task kworker/0:91:4723 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a49f7000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:92:4726 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:92 state:D stack:0 pid:4726 tgid:4726 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:e03bdda4 r9:e03bddac r8:00000002 r7:60000013 r6:82cd9e0c r5:860e1880 r4:860e1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860e1880 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:e03bde28 r4:86678440 [<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 r4:86678440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860e1880 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:dfe7b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e5b98 r4:866e5b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e5b98 r4:86679680 [<802770f0>] (process_one_work) from [<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 r9:866796b0 r8:860e1880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0311e88 r8:86679400 r7:86679680 r6:80277df8 r5:860e1880 r4:86678e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03bdfb0 to 0xe03bdff8) 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 r4:86678e40 INFO: task kworker/0:92:4726 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a49f7000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:93:4728 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:93 state:D stack:0 pid:4728 tgid:4728 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:e03d1da4 r9:e03d1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8621ee40 r4:8621ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8621ee40 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:e03d1e28 r4:8652e240 [<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 r4:8652e240 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8621ee40 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:e03a3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b1798 r4:866b1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b1798 r4:86679300 [<802770f0>] (process_one_work) from [<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 r9:86679330 r8:8621ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0311e88 r8:86679280 r7:86679300 r6:80277df8 r5:8621ee40 r4:86678e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03d1fb0 to 0xe03d1ff8) 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 r4:86678e40 INFO: task kworker/0:93:4728 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a4f9a000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:85:4730 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:85 state:D stack:0 pid:4730 tgid:4730 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:e02fdda4 r9:e02fddac r8:00000002 r7:60000113 r6:82cd9e0c r5:860e0000 r4:860e0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860e0000 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:e02fde28 r4:86671cc0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86671cc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860e0000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f03b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e8533000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866c4798 r4:866c4798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866c4798 r4:86670600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:86670630 r8:860e0000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc01e88 r8:86679480 r7:86670600 r6:80277df8 r5:860e0000 r4:8665ae40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe02fdfb0 to 0xe02fdff8) 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 r4:8665ae40 INFO: task kworker/1:85:4730 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a4f9a000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:86:4732 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:86 state:D stack:0 pid:4732 tgid:4732 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:e4485da4 r9:e4485dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8621d5c0 r4:8621d5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8621d5c0 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:e4485e28 r4:8664eac0 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8664eac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8621d5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f029000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfd11000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864da398 r4:864da398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864da398 r4:86679880 [<802770f0>] (process_one_work) from [<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 r9:866798b0 r8:8621d5c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86679880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02fde88 r8:86679080 r7:86679880 r6:80277df8 r5:8621d5c0 r4:86660140 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4485fb0 to 0xe4485ff8) 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 r4:86660140 INFO: task kworker/1:86:4732 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a56b1000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:94:4733 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:94 state:D stack:0 pid:4733 tgid:4733 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:e0479da4 r9:e0479dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8621c980 r4:8621c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8621c980 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:e0479e28 r4:86678600 [<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 r4:86678600 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8621c980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f02f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfdfb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b1b98 r4:866b1b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b1b98 r4:86676f80 [<802770f0>] (process_one_work) from [<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 r9:86676fb0 r8:8621c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86676f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e03bde88 r8:86676f00 r7:86676f80 r6:80277df8 r5:8621c980 r4:866447c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0479fb0 to 0xe0479ff8) 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 r4:866447c0 INFO: task kworker/0:94:4733 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a56b1000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:87:4736 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:87 state:D stack:0 pid:4736 tgid:4736 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:dfd69da4 r9:dfd69dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8621b100 r4:8621b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8621b100 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:dfd69e28 r4:86532040 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86532040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8621b100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f02d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfde7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86567798 r4:86567798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86567798 r4:86670680 [<802770f0>] (process_one_work) from [<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 r9:866706b0 r8:8621b100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02fde88 r8:86676d00 r7:86670680 r6:80277df8 r5:8621b100 r4:8664a8c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd69fb0 to 0xdfd69ff8) 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 r4:8664a8c0 INFO: task kworker/1:87:4736 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a56b1000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:95:4738 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:95 state:D stack:0 pid:4738 tgid:4738 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:dfd6dda4 r9:dfd6ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:8621a4c0 r4:8621a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8621a4c0 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:dfd6de28 r4:86678880 [<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 r4:86678880 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8621a4c0 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:dfd7f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b0f98 r4:866b0f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b0f98 r4:86676d80 [<802770f0>] (process_one_work) from [<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 r9:86676db0 r8:8621a4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86676d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0479e88 r8:86676c00 r7:86676d80 r6:80277df8 r5:8621a4c0 r4:866543c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd6dfb0 to 0xdfd6dff8) 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 r4:866543c0 INFO: task kworker/0:95:4738 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a5c96000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:88:4742 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:88 state:D stack:0 pid:4742 tgid:4742 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:dfde5da4 r9:dfde5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8621bd40 r4:8621bd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8621bd40 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:dfde5e28 r4:865cbf80 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865cbf80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8621bd40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f041000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfaa5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864f2f98 r4:864f2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864f2f98 r4:86670480 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:ddde5000 r9:866704b0 r8:8621bd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670480 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02fde88 r8:86676e00 r7:86670480 r6:80277df8 r5:8621bd40 r4:86678a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfde5fb0 to 0xdfde5ff8) 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 r4:86678a00 INFO: task kworker/1:88:4742 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a5c96000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:96:4744 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:96 state:D stack:0 pid:4744 tgid:4744 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:dfe79da4 r9:dfe79dac r8:00000002 r7:60000013 r6:82cd9e0c r5:860e3100 r4:860e3100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:860e3100 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:dfe79e28 r4:86678000 [<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 r4:86678000 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:860e3100 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:e44a5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864db398 r4:864db398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864db398 r4:86676a00 [<802770f0>] (process_one_work) from [<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 r9:86676a30 r8:860e3100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86676a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e03bde88 r8:86670500 r7:86676a00 r6:80277df8 r5:860e3100 r4:86678700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe79fb0 to 0xdfe79ff8) 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 r4:86678700 INFO: task kworker/0:96:4744 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a5ef8000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:89:4745 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:89 state:D stack:0 pid:4745 tgid:4745 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:dfe95da4 r9:dfe95dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86218c40 r4:86218c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86218c40 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:dfe95e28 r4:86671d40 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86671d40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86218c40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f035000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e029f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d9b98 r4:864d9b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:864d9b98 r4:86670580 [<802770f0>] (process_one_work) from [<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 r9:866705b0 r8:86218c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e02fde88 r8:86676800 r7:86670580 r6:80277df8 r5:86218c40 r4:866788c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe95fb0 to 0xdfe95ff8) 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 r4:866788c0 INFO: task kworker/1:89:4745 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a609e000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:97:4746 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:97 state:D stack:0 pid:4746 tgid:4746 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:dfe9dda4 r9:dfe9ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:86218000 r4:86218000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86218000 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:dfe9de28 r4:86672e40 [<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 r4:86672e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86218000 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:e44eb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866ac398 r4:866ac398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866ac398 r4:86676700 [<802770f0>] (process_one_work) from [<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 r9:86676730 r8:86218000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86676700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe79e88 r8:86676680 r7:86676700 r6:80277df8 r5:86218000 r4:866784c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe9dfb0 to 0xdfe9dff8) 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 r4:866784c0 INFO: task kworker/0:97:4746 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a609e000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:98:4747 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:98 state:D stack:0 pid:4747 tgid:4747 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:dfec5da4 r9:dfec5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86216e40 r4:86216e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86216e40 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:dfec5e28 r4:86678100 [<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 r4:86678100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86216e40 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:dfe89000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e5398 r4:866e5398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e5398 r4:86676580 [<802770f0>] (process_one_work) from [<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 r9:866765b0 r8:86216e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86676580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe9de88 r8:86676500 r7:86676580 r6:80277df8 r5:86216e40 r4:866784c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfec5fb0 to 0xdfec5ff8) 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 r4:866784c0 INFO: task kworker/0:98:4747 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a6215000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:99:4751 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:99 state:D stack:0 pid:4751 tgid:4751 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:e0335da4 r9:e0335dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8621e200 r4:8621e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8621e200 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:e0335e28 r4:86672d00 [<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 r4:86672d00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8621e200 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:e8547000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b0b98 r4:866b0b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b0b98 r4:86679100 [<802770f0>] (process_one_work) from [<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 r9:86679130 r8:8621e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86679100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe9de88 r8:86676400 r7:86679100 r6:80277df8 r5:8621e200 r4:86672f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0335fb0 to 0xe0335ff8) 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 r4:86672f80 INFO: task kworker/0:99:4751 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a6215000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:100:4753 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:100 state:D stack:0 pid:4753 tgid:4753 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:e44d9da4 r9:e44d9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86219880 r4:86219880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86219880 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:e44d9e28 r4:86672b80 [<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 r4:86672b80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86219880 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:ea59d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e4b98 r4:866e4b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e4b98 r4:86676a80 [<802770f0>] (process_one_work) from [<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 r9:86676ab0 r8:86219880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86676a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0335e88 r8:86676380 r7:86676a80 r6:80277df8 r5:86219880 r4:86672dc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe44d9fb0 to 0xe44d9ff8) 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 r4:86672dc0 INFO: task kworker/0:100:4753 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a6641000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:90:4755 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:90 state:D stack:0 pid:4755 tgid:4755 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:dfe75da4 r9:dfe75dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86709880 r4:86709880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86709880 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:dfe75e28 r4:86671a00 [<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) r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86671a00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86709880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f069000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea6e7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866c4398 r4:866c4398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866c4398 r4:86670180 [<802770f0>] (process_one_work) from [<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 r9:866701b0 r8:86709880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86670180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfde5e88 r8:86670280 r7:86670180 r6:80277df8 r5:86709880 r4:86671c40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe75fb0 to 0xdfe75ff8) 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 r4:86671c40 INFO: task kworker/1:90:4755 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a69d0000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:101:4758 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:101 state:D stack:0 pid:4758 tgid:4758 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:ea5a1da4 r9:ea5a1dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8670a4c0 r4:8670a4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670a4c0 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:ea5a1e28 r4:86672940 [<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 r4:86672940 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670a4c0 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:ea5f9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e4398 r4:866e4398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e4398 r4:86676280 [<802770f0>] (process_one_work) from [<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 r9:866762b0 r8:8670a4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86676280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e44d9e88 r8:86670200 r7:86676280 r6:80277df8 r5:8670a4c0 r4:8652b140 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea5a1fb0 to 0xea5a1ff8) 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 r4:8652b140 INFO: task kworker/0:101:4758 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a69d0000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:102:4759 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:102 state:D stack:0 pid:4759 tgid:4759 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:e8505da4 r9:e8505dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86708c40 r4:86708c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86708c40 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:e8505e28 r4:866728c0 [<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 r4:866728c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86708c40 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:ea5bd000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e4f98 r4:866e4f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e4f98 r4:86676000 [<802770f0>] (process_one_work) from [<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 r9:86676030 r8:86708c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86676000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea5a1e88 r8:86673f80 r7:86676000 r6:80277df8 r5:86708c40 r4:86672a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8505fb0 to 0xe8505ff8) 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 r4:86672a00 INFO: task kworker/0:102:4759 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a69d0000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:103:4760 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:103 state:D stack:0 pid:4760 tgid:4760 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:ea599da4 r9:ea599dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86214980 r4:86214980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86214980 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:ea599e28 r4:8665cec0 [<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 r4:8665cec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86214980 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:ea6ed000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864dab98 r4:864dab98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864dab98 r4:86673e80 [<802770f0>] (process_one_work) from [<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 r9:86673eb0 r8:86214980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86673e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea5a1e88 r8:86673e00 r7:86673e80 r6:80277df8 r5:86214980 r4:8664bb80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea599fb0 to 0xea599ff8) 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 r4:8664bb80 INFO: task kworker/0:103:4760 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a69d0000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:104:4761 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:104 state:D stack:0 pid:4761 tgid:4761 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:ea5e5da4 r9:ea5e5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86213100 r4:86213100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86213100 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:ea5e5e28 r4:86659f00 [<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 r4:86659f00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86213100 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:ea647000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866b3b98 r4:866b3b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866b3b98 r4:86673d00 [<802770f0>] (process_one_work) from [<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 r9:86673d30 r8:86213100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86673d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea599e88 r8:86673c00 r7:86673d00 r6:80277df8 r5:86213100 r4:8664bb80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea5e5fb0 to 0xea5e5ff8) 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 r4:8664bb80 INFO: task kworker/0:104:4761 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a6adc000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:105:4765 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:105 state:D stack:0 pid:4765 tgid:4765 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:ea625da4 r9:ea625dac r8:00000002 r7:60000013 r6:82cd9e0c r5:862155c0 r4:862155c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:862155c0 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:ea625e28 r4:86672980 [<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 r4:86672980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:862155c0 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:ea665000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864f3f98 r4:864f3f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864f3f98 r4:86670100 [<802770f0>] (process_one_work) from [<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 r9:86670130 r8:862155c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86670100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea599e88 r8:86673a80 r7:86670100 r6:80277df8 r5:862155c0 r4:86672840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea625fb0 to 0xea625ff8) 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 r4:86672840 INFO: task kworker/0:105:4765 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a6adc000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:106:4766 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:106 state:D stack:0 pid:4766 tgid:4766 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:ea5e1da4 r9:ea5e1dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86213d40 r4:86213d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:86213d40 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:ea5e1e28 r4:8665cac0 [<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 r4:8665cac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:86213d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f03d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:df9cb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864ddb98 r4:864ddb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864ddb98 r4:86673c80 [<802770f0>] (process_one_work) from [<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 r9:86673cb0 r8:86213d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86673c80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea599e88 r8:86673b00 r7:86673c80 r6:80277df8 r5:86213d40 r4:86669e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea5e1fb0 to 0xea5e1ff8) 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 r4:86669e40 INFO: task kworker/0:106:4766 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a70eb000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:107:4767 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:107 state:D stack:0 pid:4767 tgid:4767 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:ea6adda4 r9:ea6addac r8:00000002 r7:60000113 r6:82cd9e0c r5:862124c0 r4:862124c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:862124c0 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:ea6ade28 r4:8665cc80 [<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 r4:8665cc80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:862124c0 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:ea749000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864f3798 r4:864f3798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864f3798 r4:86673980 [<802770f0>] (process_one_work) from [<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 r9:866739b0 r8:862124c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86673980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea5e1e88 r8:86673900 r7:86673980 r6:80277df8 r5:862124c0 r4:86669e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6adfb0 to 0xea6adff8) 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 r4:86669e40 INFO: task kworker/0:107:4767 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a70eb000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:108:4774 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:108 state:D stack:0 pid:4774 tgid:4774 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:df9c5da4 r9:df9c5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8670ee40 r4:8670ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670ee40 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:df9c5e28 r4:8665c440 [<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 r4:8665c440 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670ee40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f043000 [<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) r5:864f3b98 r4:864f3b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864f3b98 r4:86673600 [<802770f0>] (process_one_work) from [<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 r9:86673630 r8:8670ee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86673600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea5e1e88 r8:86673580 r7:86673600 r6:80277df8 r5:8670ee40 r4:8652c640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9c5fb0 to 0xdf9c5ff8) 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 r4:8652c640 INFO: task kworker/0:108:4774 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a738f000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:109:4776 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:109 state:D stack:0 pid:4776 tgid:4776 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:ea735da4 r9:ea735dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8670e200 r4:8670e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8670e200 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:ea735e28 r4:8664f6c0 [<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 r4:8664f6c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8670e200 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:dfa45000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864f3398 r4:864f3398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864f3398 r4:86673480 [<802770f0>] (process_one_work) from [<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 r9:866734b0 r8:8670e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86673480 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df9c5e88 r8:86673400 r7:86673480 r6:80277df8 r5:8670e200 r4:86631440 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea735fb0 to 0xea735ff8) 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 r4:86631440 INFO: task kworker/0:109:4776 is blocked on a mutex likely owned by task kworker/0:52:4573. task:kworker/0:52 state:R running task stack:0 pid:4573 tgid:4573 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 r9:84040c40 r8:80200c04 r7:dfd95d7c r6:ffffffff r5:84040c40 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd95d48 to 0xdfd95d90) 5d40: a738f000 ee06f000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f089000 ee06f000 00000000 00000001 82a0b498 dfd95dbc ee06f000 dfd95d98 5d80: 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:dfd95de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfd95e28 r4:dfd95de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86643a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84040c40 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:dfe81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:864d8398 r4:864d8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:864d8398 r4:86531680 [<802770f0>] (process_one_work) from [<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 r9:865316b0 r8:84040c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86531680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0449e88 r8:86531600 r7:86531680 r6:80277df8 r5:84040c40 r4:86520680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd95fb0 to 0xdfd95ff8) 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 r4:86520680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 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) r7:600b0093 r6:600b0093 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 r6:000b0013 r5:00000000 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 r6:83178000 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 r8:00000066 r7:82a1ce80 r6:82ccce2c r5:00007747 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) r5:00007747 r4:0000000a [<803906c0>] (watchdog) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df819e60 r8:83113880 r7:00000000 r6:803906c0 r5:83178000 r4:8387cf80 [<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 r4:8387cf80 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2825 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 : eb561ec8 ip : eb561ed8 fp : eb561ed4 r10: 82b5e31c r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 82b5e280 r5 : 00000000 r4 : 00000001 r3 : 00001fa5 r2 : 00000000 r1 : 60000113 r0 : 8445c840 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 873c1b80 DAC: 00000000 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 r4:84838000 [<802ed340>] (nbcon_kthread_func) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df9b1b38 r8:84d88600 r7:82b5e280 r6:802ed340 r5:84838000 r4:8387cbc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb561fb0 to 0xeb561ff8) 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 r4:8387cbc0