Extracting prog: 18m54.767120579s Minimizing prog: 3h32m54.971842847s Simplifying prog options: 29m12.590474319s Extracting C: 2m0.442383564s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 45s testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r1, 0x2000000, 0xe, 0x0, &(0x7f0000000200)="63eced8e46dc3f0adf33c9f7b986", 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 5m0s testing program (duration=5m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r1, 0x2000000, 0xe, 0x0, &(0x7f0000000200)="63eced8e46dc3f0adf33c9f7b986", 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 16m0s testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r1, 0x2000000, 0xe, 0x0, &(0x7f0000000200)="63eced8e46dc3f0adf33c9f7b986", 0x0, 0x3800, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) program crashed: INFO: task hung in _vm_unmap_aliases single: successfully extracted reproducer found reproducer with 4 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=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$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 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 detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, 0x0, &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 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$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases extracting C reproducer testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) 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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=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)=@base={0x12, 0x3, 0x8, 0x8}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000000e700000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true reproducing took 4h54m34.979102912s repro crashed as (corrupted=false): INFO: task kworker/0:1:3095 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:0 pid:3095 tgid:3095 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfd55da4 r9:dfd55dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83988000 r4:83988000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83988000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd55e28 r4:866143c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866143c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83988000 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:e86c1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a1798 r4:866a1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866a1798 r4:833fe680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:833fe6b0 r8:83988000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:833fe680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df83de88 r8:833fe600 r7:833fe680 r6:80277df8 r5:83988000 r4:83839480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd55fb0 to 0xdfd55ff8) 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 r4:83839480 INFO: task kworker/0:1:3095 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c1766000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/1:3:3105 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:3105 tgid:3105 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:df911da4 r9:df911dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83319880 r4:83319880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83319880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df911e28 r4:86630680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86630680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83319880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f02b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfe33000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86575798 r4:86575798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86575798 r4:83907380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:839073b0 r8:83319880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:83907380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df9c5e88 r8:831d7980 r7:83907380 r6:80277df8 r5:83319880 r4:84e96b40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf911fb0 to 0xdf911ff8) 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 r4:84e96b40 INFO: task kworker/1:3:3105 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c1aff000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/1:5:4386 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:5 state:D stack:0 pid:4386 tgid:4386 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0501da4 r9:e0501dac r8:00000002 r7:60000113 r6:82cd9e0c r5:85c055c0 r4:85c055c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c055c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0501e28 r4:86610c00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610c00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c055c0 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:df9ab000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86588798 r4:86588798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86588798 r4:86548780 [<802770f0>] (process_one_work) from [<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 r9:865487b0 r8:85c055c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86548780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df9c5e88 r8:8661c980 r7:86548780 r6:80277df8 r5:85c055c0 r4:86629280 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0501fb0 to 0xe0501ff8) 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 r4:86629280 INFO: task kworker/1:5:4386 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c1aff000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/1:6:4387 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:6 state:D stack:0 pid:4387 tgid:4387 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e86c5da4 r9:e86c5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f924c0 r4:84f924c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f924c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e86c5e28 r4:86612ec0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86612ec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f924c0 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:dfa27000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 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:ddde5000 r6:8302ae00 r5:866e5b98 r4:86548580 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:865485b0 r8:84f924c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86548580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df9c5e88 r8:8661c880 r7:86548580 r6:80277df8 r5:84f924c0 r4:86629280 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe86c5fb0 to 0xe86c5ff8) 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 r4:86629280 INFO: task kworker/1:6:4387 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c2836000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/0:42:4585 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:42 state:D stack:0 pid:4585 tgid:4585 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e000dda4 r9:e000ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:8403e200 r4:8403e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8403e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e000de28 r4:866006c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866006c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8403e200 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:dfb6f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8637b798 r4:8637b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8637b798 r4:86638080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866380b0 r8:8403e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86638080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff5de88 r8:86638000 r7:86638080 r6:80277df8 r5:8403e200 r4:86606480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe000dfb0 to 0xe000dff8) 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 r4:86606480 INFO: task kworker/0:42:4585 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c2836000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/1:73:4610 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:73 state:D stack:0 pid:4610 tgid:4610 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:df9a1da4 r9:df9a1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83323d40 r4:83323d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83323d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9a1e28 r4:86614d80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86614d80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83323d40 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:dfbe7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86095398 r4:86095398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86095398 r4:86601700 [<802770f0>] (process_one_work) from [<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 r9:86601730 r8:83323d40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86601700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0515e88 r8:86601680 r7:86601700 r6:80277df8 r5:83323d40 r4:8663ff80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9a1fb0 to 0xdf9a1ff8) 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 r4:8663ff80 INFO: task kworker/1:73:4610 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c2836000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/1:75:4613 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:75 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:dfb0dda4 r9:dfb0ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:83a0b100 r4:83a0b100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a0b100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb0de28 r4:86614980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86614980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a0b100 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:dfc61000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86097798 r4:86097798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86097798 r4:86601400 [<802770f0>] (process_one_work) from [<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 r9:86601430 r8:83a0b100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86601400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df9a1e88 r8:86601380 r7:86601400 r6:80277df8 r5:83a0b100 r4:86629ec0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb0dfb0 to 0xdfb0dff8) 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 r4:86629ec0 INFO: task kworker/1:75:4613 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c42db000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/0:47:4617 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:47 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:dfa75da4 r9:dfa75dac r8:00000002 r7:60000113 r6:82cd9e0c r5:85c10c40 r4:85c10c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c10c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa75e28 r4:8663f100 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8663f100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c10c40 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:dfc75000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b398 r4:8658b398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b398 r4:86603f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86603f30 r8:85c10c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:86603e80 r7:86603f00 r6:80277df8 r5:85c10c40 r4:865f6e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa75fb0 to 0xdfa75ff8) 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 r4:865f6e40 INFO: task kworker/0:47:4617 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c42dc000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/0:48:4618 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:48 state:D stack:0 pid:4618 tgid:4618 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfb65da4 r9:dfb65dac r8:00000002 r7:60000013 r6:82cd9e0c r5:85c11880 r4:85c11880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c11880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb65e28 r4:86600480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c11880 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:dfbf7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658c398 r4:8658c398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658c398 r4:86603c00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86603c30 r8:85c11880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603c00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa75e88 r8:86603b80 r7:86603c00 r6:80277df8 r5:85c11880 r4:86625f00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb65fb0 to 0xdfb65ff8) 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 r4:86625f00 INFO: task kworker/0:48:4618 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c42dc000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 INFO: task kworker/1:76:4621 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:76 state:D stack:0 pid:4621 tgid:4621 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbe5da4 r9:dfbe5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:85c0ee40 r4:85c0ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c0ee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbe5e28 r4:86614000 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86614000 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0ee40 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:dff7b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86357798 r4:86357798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86357798 r4:8663c380 [<802770f0>] (process_one_work) from [<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 r9:8663c3b0 r8:85c0ee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8663c380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb0de88 r8:86601280 r7:8663c380 r6:80277df8 r5:85c0ee40 r4:86630ec0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbe5fb0 to 0xdfbe5ff8) 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 r4:86630ec0 INFO: task kworker/1:76:4621 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c4c12000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:49:4624 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:49 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:dfc71da4 r9:dfc71dac r8:00000002 r7:60000113 r6:82cd9e0c r5:85c10000 r4:85c10000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c10000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc71e28 r4:865ef7c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865ef7c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c10000 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:e05d7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a4398 r4:860a4398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a4398 r4:86603d00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86603d30 r8:85c10000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa75e88 r8:86603f80 r7:86603d00 r6:80277df8 r5:85c10000 r4:86639580 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc71fb0 to 0xdfc71ff8) 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 r4:86639580 INFO: task kworker/0:49:4624 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c4c12000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:77:4626 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:77 state:D stack:0 pid:4626 tgid:4626 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc5dda4 r9:dfc5ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f80c40 r4:84f80c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f80c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc5de28 r4:86614780 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86614780 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f80c40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfd05000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86575398 r4:86575398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86575398 r4:86603d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86603db0 r8:84f80c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86603d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbe5e88 r8:86601180 r7:86603d80 r6:80277df8 r5:84f80c40 r4:86637ec0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc5dfb0 to 0xdfc5dff8) 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 r4:86637ec0 INFO: task kworker/1:77:4626 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c572d000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:50:4627 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:50 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:dfcb9da4 r9:dfcb9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:85c124c0 r4:85c124c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c124c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcb9e28 r4:866001c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866001c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c124c0 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:dfcbf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658ab98 r4:8658ab98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658ab98 r4:86603a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86603ab0 r8:85c124c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc71e88 r8:86601080 r7:86603a80 r6:80277df8 r5:85c124c0 r4:86614bc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcb9fb0 to 0xdfcb9ff8) 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 r4:86614bc0 INFO: task kworker/0:50:4627 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c657b000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:51:4630 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:51 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:dfd15da4 r9:dfd15dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84044980 r4:84044980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84044980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd15e28 r4:86600040 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600040 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84044980 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: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) r5:86589f98 r4:86589f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86589f98 r4:86603a00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86603a30 r8:84044980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603a00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc71e88 r8:86641f00 r7:86603a00 r6:80277df8 r5:84044980 r4:864ca680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd15fb0 to 0xdfd15ff8) 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 r4:864ca680 INFO: task kworker/0:51:4630 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c657b000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:78:4631 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:78 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:dfce1da4 r9:dfce1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84894980 r4:84894980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84894980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfce1e28 r4:86614340 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86614340 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84894980 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:dfe97000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658af98 r4:8658af98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:8658af98 r4:86641e00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86641e30 r8:84894980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86641e00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbe5e88 r8:86641d80 r7:86641e00 r6:80277df8 r5:84894980 r4:8663b580 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfce1fb0 to 0xdfce1ff8) 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 r4:8663b580 INFO: task kworker/1:78:4631 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c7675000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:52:4633 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:52 state:D stack:0 pid:4633 tgid:4633 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfd7dda4 r9:dfd7ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:83a0c980 r4:83a0c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a0c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd7de28 r4:865eff40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865eff40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a0c980 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:dfd71000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658a798 r4:8658a798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658a798 r4:86603880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866038b0 r8:83a0c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc71e88 r8:86641f80 r7:86603880 r6:80277df8 r5:83a0c980 r4:865fb6c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd7dfb0 to 0xdfd7dff8) 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 r4:865fb6c0 INFO: task kworker/0:52:4633 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c7675000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:53:4635 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:4635 tgid:4635 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfdb5da4 r9:dfdb5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f44980 r4:84f44980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f44980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdb5e28 r4:865efdc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865efdc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f44980 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:dfd93000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86576f98 r4:86576f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86576f98 r4:86603700 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86603730 r8:84f44980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc71e88 r8:86641b80 r7:86603700 r6:80277df8 r5:84f44980 r4:865efd80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfdb5fb0 to 0xdfdb5ff8) 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 r4:865efd80 INFO: task kworker/0:53:4635 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c88b7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:54:4636 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:54 state:D stack:0 pid:4636 tgid:4636 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbddda4 r9:dfbdddac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f81880 r4:84f81880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f81880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbdde28 r4:865efb40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865efb40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f81880 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:e0559000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86589798 r4:86589798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86589798 r4:86603900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86603930 r8:84f81880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc71e88 r8:86603780 r7:86603900 r6:80277df8 r5:84f81880 r4:865fb480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbddfb0 to 0xdfbddff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:865fb480 INFO: task kworker/0:54:4636 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: c8c62000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:55:4637 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:55 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:dfd81da4 r9:dfd81dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f80000 r4:84f80000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f80000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd81e28 r4:865ef8c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865ef8c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f80000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f075000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0577000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86571b98 r4:86571b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86571b98 r4:86603980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866039b0 r8:84f80000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbdde88 r8:86603680 r7:86603980 r6:80277df8 r5:84f80000 r4:865f5b80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd81fb0 to 0xdfd81ff8) 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 r4:865f5b80 INFO: task kworker/0:55:4637 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: ca648000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:56:4641 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:56 state:D stack:0 pid:4641 tgid:4641 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e05d5da4 r9:e05d5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84051880 r4:84051880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84051880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05d5e28 r4:865ef840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865ef840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84051880 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:dfe9f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86588f98 r4:86588f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86588f98 r4:86603480 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866034b0 r8:84051880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603480 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc71e88 r8:86641c00 r7:86603480 r6:80277df8 r5:84051880 r4:865ef940 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe05d5fb0 to 0xe05d5ff8) 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 r4:865ef940 INFO: task kworker/0:56:4641 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: cae5c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:57:4642 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:57 state:D stack:0 pid:4642 tgid:4642 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e05f1da4 r9:e05f1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f455c0 r4:84f455c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f455c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05f1e28 r4:865ef4c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865ef4c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f455c0 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:e05f9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86589398 r4:86589398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86589398 r4:86603500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86603530 r8:84f455c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e05d5e88 r8:86641900 r7:86603500 r6:80277df8 r5:84f455c0 r4:866311c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe05f1fb0 to 0xe05f1ff8) 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 r4:866311c0 INFO: task kworker/0:57:4642 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: cbe7d000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:58:4645 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:58 state:D stack:0 pid:4645 tgid:4645 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfdd1da4 r9:dfdd1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f46200 r4:84f46200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f46200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdd1e28 r4:865f6d40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6d40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f46200 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:dfdcb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8657ab98 r4:8657ab98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8657ab98 r4:86603580 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866035b0 r8:84f46200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603580 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e05d5e88 r8:86641a80 r7:86603580 r6:80277df8 r5:84f46200 r4:86629e80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfdd1fb0 to 0xdfdd1ff8) 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 r4:86629e80 INFO: task kworker/0:58:4645 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: ccc63000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:59:4646 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:59 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:dfdddda4 r9:dfddddac r8:00000002 r7:60000013 r6:82cd9e0c r5:83a86200 r4:83a86200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a86200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfddde28 r4:8660ff00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8660ff00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a86200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f029000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfe27000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86589b98 r4:86589b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86589b98 r4:86603380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866033b0 r8:83a86200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e05d5e88 r8:86641a00 r7:86603380 r6:80277df8 r5:83a86200 r4:865f6440 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfdddfb0 to 0xdfdddff8) 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 r4:865f6440 INFO: task kworker/0:59:4646 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: ce3d0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:60:4650 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:60 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:e0555da4 r9:e0555dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f46e40 r4:84f46e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f46e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0555e28 r4:865f9a40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f46e40 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:e042f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86697f98 r4:86697f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86697f98 r4:86603080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866030b0 r8:84f46e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e05d5e88 r8:86641700 r7:86603080 r6:80277df8 r5:84f46e40 r4:86540780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0555fb0 to 0xe0555ff8) 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 r4:86540780 INFO: task kworker/0:60:4650 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: ce3d0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:79:4652 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:79 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:e05f5da4 r9:e05f5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f83100 r4:84f83100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f83100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05f5e28 r4:86607e00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86607e00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f83100 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:e001d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86588b98 r4:86588b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86588b98 r4:86603000 [<802770f0>] (process_one_work) from [<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 r9:86603030 r8:84f83100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86603000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbe5e88 r8:86641600 r7:86603000 r6:80277df8 r5:84f83100 r4:86614a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe05f5fb0 to 0xe05f5ff8) 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 r4:86614a00 INFO: task kworker/1:79:4652 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: cfb54000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:61:4653 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:61 state:D stack:0 pid:4653 tgid:4653 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfe91da4 r9:dfe91dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84056e40 r4:84056e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84056e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe91e28 r4:866044c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866044c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84056e40 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:dff11000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86588398 r4:86588398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86588398 r4:8660af80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660afb0 r8:84056e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660af80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:86603280 r7:8660af80 r6:80277df8 r5:84056e40 r4:8660fd80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe91fb0 to 0xdfe91ff8) 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 r4:8660fd80 INFO: task kworker/0:61:4653 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: cfb54000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:62:4654 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:62 state:D stack:0 pid:4654 tgid:4654 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfec9da4 r9:dfec9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83990c40 r4:83990c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83990c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfec9e28 r4:866042c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866042c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83990c40 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:dff87000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a7798 r4:860a7798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a7798 r4:86603180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866031b0 r8:83990c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660af00 r7:86603180 r6:80277df8 r5:83990c40 r4:8660fd80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfec9fb0 to 0xdfec9ff8) 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 r4:8660fd80 INFO: task kworker/0:62:4654 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: cfb54000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:80:4655 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: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:dfef9da4 r9:dfef9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f84980 r4:84f84980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f84980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfef9e28 r4:86558580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86558580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f84980 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:dff09000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658bb98 r4:8658bb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:8658bb98 r4:86641280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866412b0 r8:84f84980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86641280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbe5e88 r8:8660ae00 r7:86641280 r6:80277df8 r5:84f84980 r4:86614a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfef9fb0 to 0xdfef9ff8) 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 r4:86614a00 INFO: task kworker/1:80:4655 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d1cdb000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:63:4661 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 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:dff91da4 r9:dff91dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f855c0 r4:84f855c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f855c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff91e28 r4:86604080 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86604080 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f855c0 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:dffd5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a7b98 r4:860a7b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a7b98 r4:8660a880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a8b0 r8:84f855c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660a900 r7:8660a880 r6:80277df8 r5:84f855c0 r4:86633640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff91fb0 to 0xdff91ff8) 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 r4:86633640 INFO: task kworker/0:63:4661 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d1cdb000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:81:4662 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:4662 tgid:4662 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dff05da4 r9:dff05dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8318e200 r4:8318e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8318e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff05e28 r4:86607b80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86607b80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8318e200 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: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) r5:860a7398 r4:860a7398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a7398 r4:8660ad00 [<802770f0>] (process_one_work) from [<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 r9:8660ad30 r8:8318e200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8660ad00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e05f5e88 r8:8660ab00 r7:8660ad00 r6:80277df8 r5:8318e200 r4:866027c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff05fb0 to 0xdff05ff8) 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 r4:866027c0 INFO: task kworker/1:81:4662 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d2f9e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:64:4665 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 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:e0045da4 r9:e0045dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f83d40 r4:84f83d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f83d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0045e28 r4:865f9f80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9f80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f83d40 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:e0025000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a6f98 r4:860a6f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a6f98 r4:86641300 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86641330 r8:84f83d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86641300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660ac80 r7:86641300 r6:80277df8 r5:84f83d40 r4:86633640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0045fb0 to 0xe0045ff8) 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 r4:86633640 INFO: task kworker/0:64:4665 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d33dd000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:82:4666 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: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:e0019da4 r9:e0019dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83a08000 r4:83a08000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a08000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0019e28 r4:8660b2c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660b2c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a08000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f045000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e04d5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86096b98 r4:86096b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86096b98 r4:86641500 [<802770f0>] (process_one_work) from [<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 r9:86641530 r8:83a08000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86641500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff05e88 r8:8660a700 r7:86641500 r6:80277df8 r5:83a08000 r4:866043c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0019fb0 to 0xe0019ff8) 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 r4:866043c0 INFO: task kworker/1:82:4666 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d33dd000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:65:4667 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:4667 tgid:4667 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0055da4 r9:e0055dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83a03d40 r4:83a03d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a03d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0055e28 r4:865f9c40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9c40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a03d40 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:e03c7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e0398 r4:866e0398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e0398 r4:8660a780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a7b0 r8:83a03d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660a600 r7:8660a780 r6:80277df8 r5:83a03d40 r4:86633cc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0055fb0 to 0xe0055ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86633cc0 INFO: task kworker/0:65:4667 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d48ce000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:66:4670 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:66 state:D stack:0 pid:4670 tgid:4670 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e03cdda4 r9:e03cddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d0000 r4:866d0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d0000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e03cde28 r4:865f9840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d0000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f047000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e04e1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86697798 r4:86697798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86697798 r4:8660a500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a530 r8:866d0000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660ac00 r7:8660a500 r6:80277df8 r5:866d0000 r4:865f9e00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03cdfb0 to 0xe03cdff8) 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 r4:865f9e00 INFO: task kworker/0:66:4670 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d4c6a000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:83:4671 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:4671 tgid:4671 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dff01da4 r9:dff01dac r8:00000002 r7:60000113 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:dff01e28 r4:86610640 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84831880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f051000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a1f98 r4:860a1f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a1f98 r4:86603300 [<802770f0>] (process_one_work) from [<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 r9:86603330 r8:84831880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86603300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0019e88 r8:86603100 r7:86603300 r6:80277df8 r5:84831880 r4:865ef0c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff01fb0 to 0xdff01ff8) 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 r4:865ef0c0 INFO: task kworker/1:83:4671 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d61ef000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:67:4673 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:4673 tgid:4673 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0439da4 r9:e0439dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83a1c980 r4:83a1c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a1c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0439e28 r4:865f9400 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9400 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a1c980 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:e8695000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86697398 r4:86697398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86697398 r4:8660a200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a230 r8:83a1c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e03cde88 r8:86641080 r7:8660a200 r6:80277df8 r5:83a1c980 r4:865f9980 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0439fb0 to 0xe0439ff8) 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 r4:865f9980 INFO: task kworker/0:67:4673 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d61ef000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:68:4676 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:68 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:dfff5da4 r9:dfff5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f824c0 r4:84f824c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f824c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfff5e28 r4:86607480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86607480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f824c0 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:e86ef000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a3398 r4:860a3398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a3398 r4:8660a380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a3b0 r8:84f824c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0439e88 r8:86641200 r7:8660a380 r6:80277df8 r5:84f824c0 r4:865f9880 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfff5fb0 to 0xdfff5ff8) 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 r4:865f9880 INFO: task kworker/0:68:4676 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d66c9000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:84:4677 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: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:e4649da4 r9:e4649dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8489ee40 r4:8489ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8489ee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4649e28 r4:8660b100 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660b100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8489ee40 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:e8687000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86696f98 r4:86696f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86696f98 r4:8660a280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a2b0 r8:8489ee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8660a280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff01e88 r8:86641180 r7:8660a280 r6:80277df8 r5:8489ee40 r4:86607680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4649fb0 to 0xe4649ff8) 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 r4:86607680 INFO: task kworker/1:84:4677 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d68cf000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:69:4680 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:69 state:D stack:0 pid:4680 tgid:4680 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e8691da4 r9:e8691dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865bd5c0 r4:865bd5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865bd5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8691e28 r4:865f5ac0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f5ac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865bd5c0 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:ea755000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86696398 r4:86696398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86696398 r4:8660a100 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a130 r8:865bd5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0439e88 r8:86609d00 r7:8660a100 r6:80277df8 r5:865bd5c0 r4:865f9600 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8691fb0 to 0xe8691ff8) 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 r4:865f9600 INFO: task kworker/0:69:4680 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d68cf000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:85:4681 blocked for more than 433 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: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:e04ddda4 r9:e04dddac r8:00000002 r7:60000113 r6:82cd9e0c r5:865bc980 r4:865bc980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865bc980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04dde28 r4:86610e00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610e00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865bc980 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:ea775000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a2b98 r4:860a2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a2b98 r4:86609d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86609db0 r8:865bc980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff01e88 r8:86609e00 r7:86609d80 r6:80277df8 r5:865bc980 r4:86602440 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe04ddfb0 to 0xe04ddff8) 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 r4:86602440 INFO: task kworker/1:85:4681 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d7c1c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:70:4682 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:70 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:e86bdda4 r9:e86bddac r8:00000002 r7:60000013 r6:82cd9e0c r5:865bbd40 r4:865bbd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865bbd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e86bde28 r4:86600fc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600fc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865bbd40 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:ea733000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86696b98 r4:86696b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86696b98 r4:8660a180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a1b0 r8:865bbd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfff5e88 r8:86609f00 r7:8660a180 r6:80277df8 r5:865bbd40 r4:865f9380 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe86bdfb0 to 0xe86bdff8) 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 r4:865f9380 INFO: task kworker/0:70:4682 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d7c1c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:71:4686 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:71 state:D stack:0 pid:4686 tgid:4686 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea751da4 r9:ea751dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ce200 r4:866ce200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ce200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea751e28 r4:86600e40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ce200 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:dfb5b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86695798 r4:86695798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86695798 r4:86641400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86641430 r8:866ce200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86641400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8691e88 r8:8660a480 r7:86641400 r6:80277df8 r5:866ce200 r4:865f9140 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea751fb0 to 0xea751ff8) 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 r4:865f9140 INFO: task kworker/0:71:4686 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d8d38000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:86:4690 blocked for more than 433 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: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:dfa15da4 r9:dfa15dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865bb100 r4:865bb100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865bb100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa15e28 r4:866109c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:866109c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865bb100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f04f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa2b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a2798 r4:860a2798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a2798 r4:86609b00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86609b30 r8:865bb100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609b00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff01e88 r8:86609a00 r7:86609b00 r6:80277df8 r5:865bb100 r4:86551f00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa15fb0 to 0xdfa15ff8) 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 r4:86551f00 INFO: task kworker/1:86:4690 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d8d38000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:87:4692 blocked for more than 433 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:4692 tgid:4692 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfa55da4 r9:dfa55dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865b9880 r4:865b9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b9880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa55e28 r4:86604e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b9880 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:dfbf3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86697b98 r4:86697b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86697b98 r4:86609980 [<802770f0>] (process_one_work) from [<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 r9:866099b0 r8:865b9880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff01e88 r8:86609900 r7:86609980 r6:80277df8 r5:865b9880 r4:86610a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa55fb0 to 0xdfa55ff8) 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 r4:86610a00 INFO: task kworker/1:87:4692 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d8d38000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:72:4694 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:72 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:dfa79da4 r9:dfa79dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84893d40 r4:84893d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84893d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa79e28 r4:865ef800 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865ef800 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84893d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa99000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86695b98 r4:86695b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86695b98 r4:8660a000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a030 r8:84893d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea751e88 r8:86608f80 r7:8660a000 r6:80277df8 r5:84893d40 r4:86602e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa79fb0 to 0xdfa79ff8) 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 r4:86602e40 INFO: task kworker/0:72:4694 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d8fcc000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:73:4695 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:73 state:D stack:0 pid:4695 tgid:4695 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfa85da4 r9:dfa85dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866cc980 r4:866cc980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cc980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa85e28 r4:86600cc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600cc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cc980 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:dfc83000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86578398 r4:86578398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86578398 r4:86608e80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86608eb0 r8:866cc980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa79e88 r8:86608e00 r7:86608e80 r6:80277df8 r5:866cc980 r4:86602e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa85fb0 to 0xdfa85ff8) 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 r4:86602e40 INFO: task kworker/0:73:4695 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d934c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:88:4697 blocked for more than 433 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:4697 tgid:4697 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfae5da4 r9:dfae5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865ba4c0 r4:865ba4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865ba4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfae5e28 r4:866103c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:866103c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865ba4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f055000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfae1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a1b98 r4:860a1b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a1b98 r4:86609600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86609630 r8:865ba4c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa55e88 r8:86609a80 r7:86609600 r6:80277df8 r5:865ba4c0 r4:8654fe40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfae5fb0 to 0xdfae5ff8) 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 r4:8654fe40 INFO: task kworker/1:88:4697 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d9c4b000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:89:4698 blocked for more than 433 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:4698 tgid:4698 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e8685da4 r9:e8685dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866cd5c0 r4:866cd5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cd5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8685e28 r4:86610300 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cd5c0 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:dfb71000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a1798 r4:860a1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a1798 r4:86609680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866096b0 r8:866cd5c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa55e88 r8:86609800 r7:86609680 r6:80277df8 r5:866cd5c0 r4:86606a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8685fb0 to 0xe8685ff8) 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 r4:86606a00 INFO: task kworker/1:89:4698 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d9c4b000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:90:4701 blocked for more than 433 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: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:dfb51da4 r9:dfb51dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b6200 r4:865b6200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b6200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb51e28 r4:8663ec80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8663ec80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b6200 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:e052f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a0798 r4:860a0798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a0798 r4:86609380 [<802770f0>] (process_one_work) from [<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 r9:866093b0 r8:865b6200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa55e88 r8:86609400 r7:86609380 r6:80277df8 r5:865b6200 r4:8660fe80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb51fb0 to 0xdfb51ff8) 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 r4:8660fe80 INFO: task kworker/1:90:4701 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d9e1b000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:91:4704 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:91 state:D stack:0 pid:4704 tgid:4704 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbd9da4 r9:dfbd9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b6e40 r4:865b6e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b6e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbd9e28 r4:86604e40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b6e40 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:dfbd5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a2398 r4:860a2398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a2398 r4:8660a080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a0b0 r8:865b6e40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8660a080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb51e88 r8:86609580 r7:8660a080 r6:80277df8 r5:865b6e40 r4:866022c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbd9fb0 to 0xdfbd9ff8) 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 r4:866022c0 INFO: task kworker/1:91:4704 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dacf7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:74:4705 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:74 state:D stack:0 pid:4705 tgid:4705 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc05da4 r9:dfc05dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b4980 r4:865b4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b4980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc05e28 r4:86600bc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600bc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b4980 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:dfcff000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86696798 r4:86696798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86696798 r4:8660a300 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a330 r8:865b4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa85e88 r8:86609280 r7:8660a300 r6:80277df8 r5:865b4980 r4:866106c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc05fb0 to 0xdfc05ff8) 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 r4:866106c0 INFO: task kworker/0:74:4705 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dacf7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:92:4706 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:92 state:D stack:0 pid:4706 tgid:4706 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__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 r5:865b3d40 r4:865b3d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b3d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.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 r4:86604b00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604b00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b3d40 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:dfcab000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a0f98 r4:860a0f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a0f98 r4:86609180 [<802770f0>] (process_one_work) from [<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 r9:866091b0 r8:865b3d40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb51e88 r8:86609100 r7:86609180 r6:80277df8 r5:865b3d40 r4:86604d80 [<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 r4:86604d80 INFO: task kworker/1:92:4706 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dacf7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:75:4711 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:75 state:D stack:0 pid:4711 tgid:4711 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfd25da4 r9:dfd25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b0c40 r4:865b0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b0c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd25e28 r4:866479c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866479c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b0c40 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:dfe61000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658fb98 r4:8658fb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658fb98 r4:86609780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866097b0 r8:865b0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86609780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc05e88 r8:865f7e00 r7:86609780 r6:80277df8 r5:865b0c40 r4:86606340 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd25fb0 to 0xdfd25ff8) 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 r4:86606340 INFO: task kworker/0:75:4711 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dacf7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:93:4712 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:93 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:dfd31da4 r9:dfd31dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865b0000 r4:865b0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b0000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd31e28 r4:86604680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b0000 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:e05f7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a2f98 r4:866a2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a2f98 r4:865f7e80 [<802770f0>] (process_one_work) from [<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 r9:865f7eb0 r8:865b0000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb51e88 r8:865f7d00 r7:865f7e80 r6:80277df8 r5:865b0000 r4:86610ac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd31fb0 to 0xdfd31ff8) 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 r4:86610ac0 INFO: task kworker/1:93:4712 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: db240000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:76:4713 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:76 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:dfd35da4 r9:dfd35dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b24c0 r4:865b24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b24c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd35e28 r4:86600a80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600a80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b24c0 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:dfd0b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86694f98 r4:86694f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86694f98 r4:865f7f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:865f7f30 r8:865b24c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:865f7f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:865f7b80 r7:865f7f00 r6:80277df8 r5:865b24c0 r4:8660fe80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd35fb0 to 0xdfd35ff8) 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 r4:8660fe80 INFO: task kworker/0:76:4713 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: db240000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:94:4714 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:94 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:dfc89da4 r9:dfc89dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b3100 r4:865b3100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b3100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc89e28 r4:86610680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b3100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0597000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a0398 r4:860a0398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a0398 r4:865f7a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:865f7ab0 r8:865b3100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb51e88 r8:86609500 r7:865f7a80 r6:80277df8 r5:865b3100 r4:865fbb80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc89fb0 to 0xdfc89ff8) 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 r4:865fbb80 INFO: task kworker/1:94:4714 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: db240000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:77:4716 blocked for more than 434 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:4716 tgid:4716 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfb4dda4 r9:dfb4ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:865b8000 r4:865b8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b8000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb4de28 r4:86600840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b8000 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:dfd69000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86694b98 r4:86694b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86694b98 r4:86608c80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86608cb0 r8:865b8000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608c80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:86608b80 r7:86608c80 r6:80277df8 r5:865b8000 r4:86600980 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb4dfb0 to 0xdfb4dff8) 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 r4:86600980 INFO: task kworker/0:77:4716 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: db792000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:78:4717 blocked for more than 434 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: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:dfbbdda4 r9:dfbbddac r8:00000002 r7:60000013 r6:82cd9e0c r5:865b55c0 r4:865b55c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b55c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbbde28 r4:86649240 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86649240 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b55c0 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:e0585000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86694798 r4:86694798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86694798 r4:86608a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86608ab0 r8:865b55c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:86608a00 r7:86608a80 r6:80277df8 r5:865b55c0 r4:86600880 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbbdfb0 to 0xdfbbdff8) 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 r4:86600880 INFO: task kworker/0:78:4717 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dc0b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:95:4722 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:95 state:D stack:0 pid:4722 tgid:4722 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e05e9da4 r9:e05e9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866cee40 r4:866cee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05e9e28 r4:86612140 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86612140 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cee40 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:ea77f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a2b98 r4:866a2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a2b98 r4:865f7980 [<802770f0>] (process_one_work) from [<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 r9:865f79b0 r8:866cee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd31e88 r8:86608900 r7:865f7980 r6:80277df8 r5:866cee40 r4:8663f4c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe05e9fb0 to 0xe05e9ff8) 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 r4:8663f4c0 INFO: task kworker/1:95:4722 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dc466000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:96:4724 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:96 state:D stack:0 pid:4724 tgid:4724 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc8dda4 r9:dfc8ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866cbd40 r4:866cbd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cbd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc8de28 r4:8660c980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660c980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cbd40 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:dfeaf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a2f98 r4:860a2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a2f98 r4:865f7f80 [<802770f0>] (process_one_work) from [<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 r9:865f7fb0 r8:866cbd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e05e9e88 r8:86608800 r7:865f7f80 r6:80277df8 r5:866cbd40 r4:86604a80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc8dfb0 to 0xdfc8dff8) 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 r4:86604a80 INFO: task kworker/1:96:4724 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:79:4725 blocked for more than 434 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:4725 tgid:4725 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__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 r7:60000113 r6:82cd9e0c r5:865b1880 r4:865b1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.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 r4:86647d00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647d00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b1880 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:ea82f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658ff98 r4:8658ff98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658ff98 r4:86609000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86609030 r8:865b1880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86609000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:86608700 r7:86609000 r6:80277df8 r5:865b1880 r4:8663f4c0 [<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 r4:8663f4c0 INFO: task kworker/0:79:4725 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:97:4726 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:97 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:ea795da4 r9:ea795dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866cb100 r4:866cb100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cb100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.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 r4:8660ce80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660ce80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cb100 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:ea7cb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a2798 r4:866a2798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a2798 r4:865f7900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:865f7930 r8:866cb100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc8de88 r8:86608600 r7:865f7900 r6:80277df8 r5:866cb100 r4:86600b40 [<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 r4:86600b40 INFO: task kworker/1:97:4726 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:80:4727 blocked for more than 434 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:4727 tgid:4727 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea799da4 r9:ea799dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ca4c0 r4:866ca4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ca4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea799e28 r4:86647e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ca4c0 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:ea7c3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86694398 r4:86694398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86694398 r4:86608500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86608530 r8:866ca4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea791e88 r8:86608480 r7:86608500 r6:80277df8 r5:866ca4c0 r4:86558980 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea799fb0 to 0xea799ff8) 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 r4:86558980 INFO: task kworker/0:80:4727 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:98:4731 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:98 state:D stack:0 pid:4731 tgid:4731 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea825da4 r9:ea825dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c8c40 r4:866c8c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c8c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea825e28 r4:86633240 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86633240 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c8c40 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:ea827000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a2398 r4:866a2398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a2398 r4:86645f80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86645fb0 r8:866c8c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86645f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc8de88 r8:86608300 r7:86645f80 r6:80277df8 r5:866c8c40 r4:86637c80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea825fb0 to 0xea825ff8) 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 r4:86637c80 INFO: task kworker/1:98:4731 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:99:4733 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:99 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:e055dda4 r9:e055ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d6e40 r4:866d6e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d6e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e055de28 r4:8660cc00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660cc00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d6e40 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:dfe41000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a0b98 r4:860a0b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a0b98 r4:86611000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86611030 r8:866d6e40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86611000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc8de88 r8:86611080 r7:86611000 r6:80277df8 r5:866d6e40 r4:8660cfc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe055dfb0 to 0xe055dff8) 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 r4:8660cfc0 INFO: task kworker/1:99:4733 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:81:4734 blocked for more than 434 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:4734 tgid:4734 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea849da4 r9:ea849dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866d55c0 r4:866d55c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d55c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea849e28 r4:86647d80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647d80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d55c0 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:dfe0d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86573798 r4:86573798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86573798 r4:86608280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866082b0 r8:866d55c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:86645e80 r7:86608280 r6:80277df8 r5:866d55c0 r4:866490c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea849fb0 to 0xea849ff8) 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 r4:866490c0 INFO: task kworker/0:81:4734 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:100:4738 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:100 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:dfe39da4 r9:dfe39dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c8000 r4:866c8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c8000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe39e28 r4:8660c680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660c680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c8000 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:dffc7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a1398 r4:866a1398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a1398 r4:86608200 [<802770f0>] (process_one_work) from [<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 r9:86608230 r8:866c8000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86608200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc8de88 r8:86645d80 r7:86608200 r6:80277df8 r5:866c8000 r4:86612080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe39fb0 to 0xdfe39ff8) 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 r4:86612080 INFO: task kworker/1:100:4738 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:82:4740 blocked for more than 435 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:4740 tgid:4740 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea79dda4 r9:ea79ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:866d6200 r4:866d6200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d6200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea79de28 r4:86647a40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d6200 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:dfeb9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86695398 r4:86695398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86695398 r4:86608180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866081b0 r8:866d6200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86611100 r7:86608180 r6:80277df8 r5:866d6200 r4:86647ac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea79dfb0 to 0xea79dff8) 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 r4:86647ac0 INFO: task kworker/0:82:4740 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:101:4742 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:101 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:dfe75da4 r9:dfe75dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c9880 r4:866c9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c9880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.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 r4:8660c840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660c840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c9880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f033000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dff3f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a1b98 r4:866a1b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a1b98 r4:86608380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866083b0 r8:866c9880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86608380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe39e88 r8:86645b80 r7:86608380 r6:80277df8 r5:866c9880 r4:862ef4c0 [<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 r4:862ef4c0 INFO: task kworker/1:101:4742 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:83:4743 blocked for more than 435 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:4743 tgid:4743 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfefdda4 r9:dfefddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d3d40 r4:866d3d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d3d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfefde28 r4:86647780 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647780 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d3d40 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:dff2f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658f798 r4:8658f798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658f798 r4:86608080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866080b0 r8:866d3d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645a80 r7:86608080 r6:80277df8 r5:866d3d40 r4:86647ac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfefdfb0 to 0xdfefdff8) 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 r4:86647ac0 INFO: task kworker/0:83:4743 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:84:4746 blocked for more than 435 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: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:dff6dda4 r9:dff6ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:866c6e40 r4:866c6e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c6e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff6de28 r4:86647600 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647600 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c6e40 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:dff81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658ef98 r4:8658ef98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658ef98 r4:8663df00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663df30 r8:866c6e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663df00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86608100 r7:8663df00 r6:80277df8 r5:866c6e40 r4:86606700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff6dfb0 to 0xdff6dff8) 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 r4:86606700 INFO: task kworker/0:84:4746 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:102:4748 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:102 state:D stack:0 pid:4748 tgid:4748 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dffa9da4 r9:dffa9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866d24c0 r4:866d24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d24c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dffa9e28 r4:86649e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86649e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d24c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f083000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea8af000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a0f98 r4:866a0f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a0f98 r4:86645880 [<802770f0>] (process_one_work) from [<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 r9:866458b0 r8:866d24c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86645880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe39e88 r8:86645800 r7:86645880 r6:80277df8 r5:866d24c0 r4:8660f000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdffa9fb0 to 0xdffa9ff8) 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 r4:8660f000 INFO: task kworker/1:102:4748 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:85:4751 blocked for more than 435 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: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:dfff9da4 r9:dfff9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d4980 r4:866d4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d4980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfff9e28 r4:866473c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866473c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d4980 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:dffe7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658f398 r4:8658f398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658f398 r4:8663df80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663dfb0 r8:866d4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663df80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645700 r7:8663df80 r6:80277df8 r5:866d4980 r4:86614dc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfff9fb0 to 0xdfff9ff8) 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 r4:86614dc0 INFO: task kworker/0:85:4751 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:103:4752 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:103 state:D stack:0 pid:4752 tgid:4752 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dff35da4 r9:dff35dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d1880 r4:866d1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff35e28 r4:8664dec0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8664dec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d1880 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:dfc49000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e2f98 r4:866e2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866e2f98 r4:86645680 [<802770f0>] (process_one_work) from [<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 r9:866456b0 r8:866d1880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86645680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dffa9e88 r8:86645600 r7:86645680 r6:80277df8 r5:866d1880 r4:8663f2c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff35fb0 to 0xdff35ff8) 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 r4:8663f2c0 INFO: task kworker/1:103:4752 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:86:4754 blocked for more than 435 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:4754 tgid:4754 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0049da4 r9:e0049dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d0c40 r4:866d0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d0c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0049e28 r4:86647240 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647240 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d0c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f03b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e003d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658e398 r4:8658e398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658e398 r4:8663de00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663de30 r8:866d0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663de00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645500 r7:8663de00 r6:80277df8 r5:866d0c40 r4:86647480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0049fb0 to 0xe0049ff8) 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 r4:86647480 INFO: task kworker/0:86:4754 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bp <> 7798 r4:860a7798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a7798 r4:86603180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866031b0 r8:83990c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86603180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660af00 r7:86603180 r6:80277df8 r5:83990c40 r4:8660fd80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfec9fb0 to 0xdfec9ff8) 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 r4:8660fd80 INFO: task kworker/0:62:4654 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: cfb54000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:80:4655 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: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:dfef9da4 r9:dfef9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f84980 r4:84f84980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f84980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfef9e28 r4:86558580 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86558580 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f84980 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:dff09000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658bb98 r4:8658bb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:8658bb98 r4:86641280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866412b0 r8:84f84980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86641280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfbe5e88 r8:8660ae00 r7:86641280 r6:80277df8 r5:84f84980 r4:86614a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfef9fb0 to 0xdfef9ff8) 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 r4:86614a00 INFO: task kworker/1:80:4655 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d1cdb000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:63:4661 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 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:dff91da4 r9:dff91dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f855c0 r4:84f855c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f855c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff91e28 r4:86604080 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86604080 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f855c0 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:dffd5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a7b98 r4:860a7b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a7b98 r4:8660a880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a8b0 r8:84f855c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660a900 r7:8660a880 r6:80277df8 r5:84f855c0 r4:86633640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff91fb0 to 0xdff91ff8) 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 r4:86633640 INFO: task kworker/0:63:4661 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d1cdb000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:81:4662 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:4662 tgid:4662 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dff05da4 r9:dff05dac r8:00000002 r7:60000113 r6:82cd9e0c r5:8318e200 r4:8318e200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8318e200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff05e28 r4:86607b80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86607b80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8318e200 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: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) r5:860a7398 r4:860a7398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a7398 r4:8660ad00 [<802770f0>] (process_one_work) from [<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 r9:8660ad30 r8:8318e200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8660ad00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e05f5e88 r8:8660ab00 r7:8660ad00 r6:80277df8 r5:8318e200 r4:866027c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff05fb0 to 0xdff05ff8) 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 r4:866027c0 INFO: task kworker/1:81:4662 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d2f9e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:64:4665 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 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:e0045da4 r9:e0045dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84f83d40 r4:84f83d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f83d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0045e28 r4:865f9f80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9f80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f83d40 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:e0025000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a6f98 r4:860a6f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a6f98 r4:86641300 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86641330 r8:84f83d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86641300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660ac80 r7:86641300 r6:80277df8 r5:84f83d40 r4:86633640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0045fb0 to 0xe0045ff8) 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 r4:86633640 INFO: task kworker/0:64:4665 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d33dd000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:82:4666 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: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:e0019da4 r9:e0019dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83a08000 r4:83a08000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a08000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0019e28 r4:8660b2c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660b2c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a08000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f045000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e04d5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86096b98 r4:86096b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86096b98 r4:86641500 [<802770f0>] (process_one_work) from [<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 r9:86641530 r8:83a08000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86641500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff05e88 r8:8660a700 r7:86641500 r6:80277df8 r5:83a08000 r4:866043c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0019fb0 to 0xe0019ff8) 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 r4:866043c0 INFO: task kworker/1:82:4666 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d33dd000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:65:4667 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:4667 tgid:4667 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0055da4 r9:e0055dac r8:00000002 r7:60000013 r6:82cd9e0c r5:83a03d40 r4:83a03d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a03d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0055e28 r4:865f9c40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9c40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a03d40 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:e03c7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e0398 r4:866e0398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e0398 r4:8660a780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a7b0 r8:83a03d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660a600 r7:8660a780 r6:80277df8 r5:83a03d40 r4:86633cc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0055fb0 to 0xe0055ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86633cc0 INFO: task kworker/0:65:4667 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d48ce000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:66:4670 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:66 state:D stack:0 pid:4670 tgid:4670 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e03cdda4 r9:e03cddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d0000 r4:866d0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d0000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e03cde28 r4:865f9840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d0000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f047000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e04e1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86697798 r4:86697798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86697798 r4:8660a500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a530 r8:866d0000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0555e88 r8:8660ac00 r7:8660a500 r6:80277df8 r5:866d0000 r4:865f9e00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03cdfb0 to 0xe03cdff8) 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 r4:865f9e00 INFO: task kworker/0:66:4670 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d4c6a000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:83:4671 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:4671 tgid:4671 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dff01da4 r9:dff01dac r8:00000002 r7:60000113 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:dff01e28 r4:86610640 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84831880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f051000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a1f98 r4:860a1f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a1f98 r4:86603300 [<802770f0>] (process_one_work) from [<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 r9:86603330 r8:84831880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86603300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0019e88 r8:86603100 r7:86603300 r6:80277df8 r5:84831880 r4:865ef0c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff01fb0 to 0xdff01ff8) 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 r4:865ef0c0 INFO: task kworker/1:83:4671 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d61ef000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:67:4673 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:4673 tgid:4673 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0439da4 r9:e0439dac r8:00000002 r7:60000113 r6:82cd9e0c r5:83a1c980 r4:83a1c980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:83a1c980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0439e28 r4:865f9400 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f9400 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83a1c980 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:e8695000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86697398 r4:86697398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86697398 r4:8660a200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a230 r8:83a1c980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e03cde88 r8:86641080 r7:8660a200 r6:80277df8 r5:83a1c980 r4:865f9980 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0439fb0 to 0xe0439ff8) 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 r4:865f9980 INFO: task kworker/0:67:4673 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d61ef000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:68:4676 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:68 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:dfff5da4 r9:dfff5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:84f824c0 r4:84f824c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84f824c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfff5e28 r4:86607480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86607480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84f824c0 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:e86ef000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a3398 r4:860a3398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a3398 r4:8660a380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a3b0 r8:84f824c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0439e88 r8:86641200 r7:8660a380 r6:80277df8 r5:84f824c0 r4:865f9880 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfff5fb0 to 0xdfff5ff8) 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 r4:865f9880 INFO: task kworker/0:68:4676 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d66c9000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:84:4677 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: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:e4649da4 r9:e4649dac r8:00000002 r7:60000013 r6:82cd9e0c r5:8489ee40 r4:8489ee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:8489ee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4649e28 r4:8660b100 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660b100 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8489ee40 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:e8687000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86696f98 r4:86696f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86696f98 r4:8660a280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a2b0 r8:8489ee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8660a280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff01e88 r8:86641180 r7:8660a280 r6:80277df8 r5:8489ee40 r4:86607680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4649fb0 to 0xe4649ff8) 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 r4:86607680 INFO: task kworker/1:84:4677 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d68cf000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:69:4680 blocked for more than 432 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:69 state:D stack:0 pid:4680 tgid:4680 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e8691da4 r9:e8691dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865bd5c0 r4:865bd5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865bd5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8691e28 r4:865f5ac0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f5ac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865bd5c0 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:ea755000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86696398 r4:86696398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86696398 r4:8660a100 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a130 r8:865bd5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e0439e88 r8:86609d00 r7:8660a100 r6:80277df8 r5:865bd5c0 r4:865f9600 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8691fb0 to 0xe8691ff8) 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 r4:865f9600 INFO: task kworker/0:69:4680 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d68cf000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:85:4681 blocked for more than 433 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: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:e04ddda4 r9:e04dddac r8:00000002 r7:60000113 r6:82cd9e0c r5:865bc980 r4:865bc980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865bc980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04dde28 r4:86610e00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610e00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865bc980 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:ea775000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a2b98 r4:860a2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a2b98 r4:86609d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86609db0 r8:865bc980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff01e88 r8:86609e00 r7:86609d80 r6:80277df8 r5:865bc980 r4:86602440 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe04ddfb0 to 0xe04ddff8) 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 r4:86602440 INFO: task kworker/1:85:4681 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d7c1c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:70:4682 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:70 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:e86bdda4 r9:e86bddac r8:00000002 r7:60000013 r6:82cd9e0c r5:865bbd40 r4:865bbd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865bbd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e86bde28 r4:86600fc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600fc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865bbd40 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:ea733000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86696b98 r4:86696b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86696b98 r4:8660a180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a1b0 r8:865bbd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfff5e88 r8:86609f00 r7:8660a180 r6:80277df8 r5:865bbd40 r4:865f9380 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe86bdfb0 to 0xe86bdff8) 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 r4:865f9380 INFO: task kworker/0:70:4682 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d7c1c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:71:4686 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:71 state:D stack:0 pid:4686 tgid:4686 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea751da4 r9:ea751dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ce200 r4:866ce200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ce200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea751e28 r4:86600e40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ce200 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:dfb5b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86695798 r4:86695798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86695798 r4:86641400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86641430 r8:866ce200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86641400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e8691e88 r8:8660a480 r7:86641400 r6:80277df8 r5:866ce200 r4:865f9140 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea751fb0 to 0xea751ff8) 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 r4:865f9140 INFO: task kworker/0:71:4686 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d8d38000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:86:4690 blocked for more than 433 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: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:dfa15da4 r9:dfa15dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865bb100 r4:865bb100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865bb100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa15e28 r4:866109c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:866109c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865bb100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f04f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa2b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a2798 r4:860a2798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a2798 r4:86609b00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86609b30 r8:865bb100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609b00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff01e88 r8:86609a00 r7:86609b00 r6:80277df8 r5:865bb100 r4:86551f00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa15fb0 to 0xdfa15ff8) 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 r4:86551f00 INFO: task kworker/1:86:4690 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d8d38000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:87:4692 blocked for more than 433 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:4692 tgid:4692 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfa55da4 r9:dfa55dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865b9880 r4:865b9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b9880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa55e28 r4:86604e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b9880 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:dfbf3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86697b98 r4:86697b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86697b98 r4:86609980 [<802770f0>] (process_one_work) from [<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 r9:866099b0 r8:865b9880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff01e88 r8:86609900 r7:86609980 r6:80277df8 r5:865b9880 r4:86610a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa55fb0 to 0xdfa55ff8) 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 r4:86610a00 INFO: task kworker/1:87:4692 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d8d38000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:72:4694 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:72 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:dfa79da4 r9:dfa79dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84893d40 r4:84893d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:84893d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa79e28 r4:865ef800 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865ef800 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:84893d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfa99000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86695b98 r4:86695b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86695b98 r4:8660a000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a030 r8:84893d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea751e88 r8:86608f80 r7:8660a000 r6:80277df8 r5:84893d40 r4:86602e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa79fb0 to 0xdfa79ff8) 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 r4:86602e40 INFO: task kworker/0:72:4694 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d8fcc000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:73:4695 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:73 state:D stack:0 pid:4695 tgid:4695 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfa85da4 r9:dfa85dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866cc980 r4:866cc980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cc980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa85e28 r4:86600cc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600cc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cc980 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:dfc83000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86578398 r4:86578398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86578398 r4:86608e80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86608eb0 r8:866cc980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa79e88 r8:86608e00 r7:86608e80 r6:80277df8 r5:866cc980 r4:86602e40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa85fb0 to 0xdfa85ff8) 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 r4:86602e40 INFO: task kworker/0:73:4695 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d934c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:88:4697 blocked for more than 433 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:4697 tgid:4697 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfae5da4 r9:dfae5dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865ba4c0 r4:865ba4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865ba4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfae5e28 r4:866103c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:866103c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865ba4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f055000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfae1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a1b98 r4:860a1b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a1b98 r4:86609600 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86609630 r8:865ba4c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609600 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa55e88 r8:86609a80 r7:86609600 r6:80277df8 r5:865ba4c0 r4:8654fe40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfae5fb0 to 0xdfae5ff8) 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 r4:8654fe40 INFO: task kworker/1:88:4697 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d9c4b000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:89:4698 blocked for more than 433 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:4698 tgid:4698 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e8685da4 r9:e8685dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866cd5c0 r4:866cd5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cd5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8685e28 r4:86610300 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610300 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cd5c0 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:dfb71000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a1798 r4:860a1798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a1798 r4:86609680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866096b0 r8:866cd5c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa55e88 r8:86609800 r7:86609680 r6:80277df8 r5:866cd5c0 r4:86606a00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8685fb0 to 0xe8685ff8) 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 r4:86606a00 INFO: task kworker/1:89:4698 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d9c4b000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:90:4701 blocked for more than 433 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: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:dfb51da4 r9:dfb51dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b6200 r4:865b6200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b6200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb51e28 r4:8663ec80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8663ec80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b6200 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:e052f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a0798 r4:860a0798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a0798 r4:86609380 [<802770f0>] (process_one_work) from [<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 r9:866093b0 r8:865b6200 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa55e88 r8:86609400 r7:86609380 r6:80277df8 r5:865b6200 r4:8660fe80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb51fb0 to 0xdfb51ff8) 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 r4:8660fe80 INFO: task kworker/1:90:4701 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: d9e1b000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:91:4704 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:91 state:D stack:0 pid:4704 tgid:4704 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfbd9da4 r9:dfbd9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b6e40 r4:865b6e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b6e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbd9e28 r4:86604e40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604e40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b6e40 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:dfbd5000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a2398 r4:860a2398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a2398 r4:8660a080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8660a0b0 r8:865b6e40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:8660a080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb51e88 r8:86609580 r7:8660a080 r6:80277df8 r5:865b6e40 r4:866022c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbd9fb0 to 0xdfbd9ff8) 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 r4:866022c0 INFO: task kworker/1:91:4704 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dacf7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:74:4705 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:74 state:D stack:0 pid:4705 tgid:4705 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc05da4 r9:dfc05dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b4980 r4:865b4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b4980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc05e28 r4:86600bc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600bc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b4980 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:dfcff000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86696798 r4:86696798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86696798 r4:8660a300 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8660a330 r8:865b4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8660a300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfa85e88 r8:86609280 r7:8660a300 r6:80277df8 r5:865b4980 r4:866106c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc05fb0 to 0xdfc05ff8) 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 r4:866106c0 INFO: task kworker/0:74:4705 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dacf7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:92:4706 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:92 state:D stack:0 pid:4706 tgid:4706 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__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 r5:865b3d40 r4:865b3d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b3d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.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 r4:86604b00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604b00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b3d40 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:dfcab000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a0f98 r4:860a0f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a0f98 r4:86609180 [<802770f0>] (process_one_work) from [<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 r9:866091b0 r8:865b3d40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86609180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb51e88 r8:86609100 r7:86609180 r6:80277df8 r5:865b3d40 r4:86604d80 [<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 r4:86604d80 INFO: task kworker/1:92:4706 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dacf7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:75:4711 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:75 state:D stack:0 pid:4711 tgid:4711 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfd25da4 r9:dfd25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b0c40 r4:865b0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b0c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd25e28 r4:866479c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866479c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b0c40 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:dfe61000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658fb98 r4:8658fb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658fb98 r4:86609780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866097b0 r8:865b0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86609780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc05e88 r8:865f7e00 r7:86609780 r6:80277df8 r5:865b0c40 r4:86606340 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd25fb0 to 0xdfd25ff8) 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 r4:86606340 INFO: task kworker/0:75:4711 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dacf7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:93:4712 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:93 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:dfd31da4 r9:dfd31dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865b0000 r4:865b0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b0000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd31e28 r4:86604680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b0000 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:e05f7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a2f98 r4:866a2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a2f98 r4:865f7e80 [<802770f0>] (process_one_work) from [<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 r9:865f7eb0 r8:865b0000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb51e88 r8:865f7d00 r7:865f7e80 r6:80277df8 r5:865b0000 r4:86610ac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd31fb0 to 0xdfd31ff8) 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 r4:86610ac0 INFO: task kworker/1:93:4712 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: db240000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:76:4713 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:76 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:dfd35da4 r9:dfd35dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b24c0 r4:865b24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b24c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd35e28 r4:86600a80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600a80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b24c0 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:dfd0b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86694f98 r4:86694f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86694f98 r4:865f7f00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:865f7f30 r8:865b24c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:865f7f00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:865f7b80 r7:865f7f00 r6:80277df8 r5:865b24c0 r4:8660fe80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd35fb0 to 0xdfd35ff8) 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 r4:8660fe80 INFO: task kworker/0:76:4713 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: db240000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:94:4714 blocked for more than 433 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:94 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:dfc89da4 r9:dfc89dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865b3100 r4:865b3100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b3100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc89e28 r4:86610680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86610680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b3100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e0597000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a0398 r4:860a0398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a0398 r4:865f7a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:865f7ab0 r8:865b3100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb51e88 r8:86609500 r7:865f7a80 r6:80277df8 r5:865b3100 r4:865fbb80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc89fb0 to 0xdfc89ff8) 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 r4:865fbb80 INFO: task kworker/1:94:4714 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: db240000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:77:4716 blocked for more than 434 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:4716 tgid:4716 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfb4dda4 r9:dfb4ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:865b8000 r4:865b8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b8000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb4de28 r4:86600840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86600840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b8000 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:dfd69000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86694b98 r4:86694b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86694b98 r4:86608c80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86608cb0 r8:865b8000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608c80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:86608b80 r7:86608c80 r6:80277df8 r5:865b8000 r4:86600980 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb4dfb0 to 0xdfb4dff8) 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 r4:86600980 INFO: task kworker/0:77:4716 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: db792000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:78:4717 blocked for more than 434 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: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:dfbbdda4 r9:dfbbddac r8:00000002 r7:60000013 r6:82cd9e0c r5:865b55c0 r4:865b55c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b55c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbbde28 r4:86649240 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86649240 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b55c0 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:e0585000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86694798 r4:86694798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86694798 r4:86608a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86608ab0 r8:865b55c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:86608a00 r7:86608a80 r6:80277df8 r5:865b55c0 r4:86600880 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbbdfb0 to 0xdfbbdff8) 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 r4:86600880 INFO: task kworker/0:78:4717 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dc0b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:95:4722 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:95 state:D stack:0 pid:4722 tgid:4722 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e05e9da4 r9:e05e9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866cee40 r4:866cee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e05e9e28 r4:86612140 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86612140 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cee40 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:ea77f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a2b98 r4:866a2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a2b98 r4:865f7980 [<802770f0>] (process_one_work) from [<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 r9:865f79b0 r8:866cee40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd31e88 r8:86608900 r7:865f7980 r6:80277df8 r5:866cee40 r4:8663f4c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe05e9fb0 to 0xe05e9ff8) 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 r4:8663f4c0 INFO: task kworker/1:95:4722 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dc466000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:96:4724 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:96 state:D stack:0 pid:4724 tgid:4724 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfc8dda4 r9:dfc8ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866cbd40 r4:866cbd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cbd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc8de28 r4:8660c980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660c980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cbd40 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:dfeaf000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a2f98 r4:860a2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a2f98 r4:865f7f80 [<802770f0>] (process_one_work) from [<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 r9:865f7fb0 r8:866cbd40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e05e9e88 r8:86608800 r7:865f7f80 r6:80277df8 r5:866cbd40 r4:86604a80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc8dfb0 to 0xdfc8dff8) 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 r4:86604a80 INFO: task kworker/1:96:4724 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:79:4725 blocked for more than 434 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:4725 tgid:4725 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__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 r7:60000113 r6:82cd9e0c r5:865b1880 r4:865b1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865b1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.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 r4:86647d00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647d00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865b1880 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:ea82f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658ff98 r4:8658ff98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658ff98 r4:86609000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86609030 r8:865b1880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86609000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:86608700 r7:86609000 r6:80277df8 r5:865b1880 r4:8663f4c0 [<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 r4:8663f4c0 INFO: task kworker/0:79:4725 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:97:4726 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:97 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:ea795da4 r9:ea795dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866cb100 r4:866cb100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866cb100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.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 r4:8660ce80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660ce80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866cb100 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:ea7cb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a2798 r4:866a2798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a2798 r4:865f7900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:865f7930 r8:866cb100 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:865f7900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc8de88 r8:86608600 r7:865f7900 r6:80277df8 r5:866cb100 r4:86600b40 [<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 r4:86600b40 INFO: task kworker/1:97:4726 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:80:4727 blocked for more than 434 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:4727 tgid:4727 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea799da4 r9:ea799dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866ca4c0 r4:866ca4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866ca4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea799e28 r4:86647e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866ca4c0 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:ea7c3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86694398 r4:86694398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86694398 r4:86608500 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86608530 r8:866ca4c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608500 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea791e88 r8:86608480 r7:86608500 r6:80277df8 r5:866ca4c0 r4:86558980 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea799fb0 to 0xea799ff8) 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 r4:86558980 INFO: task kworker/0:80:4727 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:98:4731 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:98 state:D stack:0 pid:4731 tgid:4731 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea825da4 r9:ea825dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c8c40 r4:866c8c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c8c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea825e28 r4:86633240 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86633240 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c8c40 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:ea827000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a2398 r4:866a2398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a2398 r4:86645f80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86645fb0 r8:866c8c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86645f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc8de88 r8:86608300 r7:86645f80 r6:80277df8 r5:866c8c40 r4:86637c80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea825fb0 to 0xea825ff8) 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 r4:86637c80 INFO: task kworker/1:98:4731 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: dce2e000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:99:4733 blocked for more than 434 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:99 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:e055dda4 r9:e055ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d6e40 r4:866d6e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d6e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e055de28 r4:8660cc00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660cc00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d6e40 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:dfe41000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a0b98 r4:860a0b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a0b98 r4:86611000 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86611030 r8:866d6e40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86611000 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc8de88 r8:86611080 r7:86611000 r6:80277df8 r5:866d6e40 r4:8660cfc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe055dfb0 to 0xe055dff8) 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 r4:8660cfc0 INFO: task kworker/1:99:4733 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:81:4734 blocked for more than 434 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:4734 tgid:4734 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea849da4 r9:ea849dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866d55c0 r4:866d55c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d55c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea849e28 r4:86647d80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647d80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d55c0 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:dfe0d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86573798 r4:86573798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86573798 r4:86608280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866082b0 r8:866d55c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd25e88 r8:86645e80 r7:86608280 r6:80277df8 r5:866d55c0 r4:866490c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea849fb0 to 0xea849ff8) 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 r4:866490c0 INFO: task kworker/0:81:4734 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:100:4738 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:100 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:dfe39da4 r9:dfe39dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c8000 r4:866c8000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c8000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe39e28 r4:8660c680 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660c680 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c8000 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:dffc7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a1398 r4:866a1398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a1398 r4:86608200 [<802770f0>] (process_one_work) from [<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 r9:86608230 r8:866c8000 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86608200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfc8de88 r8:86645d80 r7:86608200 r6:80277df8 r5:866c8000 r4:86612080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe39fb0 to 0xdfe39ff8) 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 r4:86612080 INFO: task kworker/1:100:4738 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:82:4740 blocked for more than 435 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:4740 tgid:4740 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea79dda4 r9:ea79ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:866d6200 r4:866d6200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d6200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea79de28 r4:86647a40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d6200 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:dfeb9000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86695398 r4:86695398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:86695398 r4:86608180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866081b0 r8:866d6200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86611100 r7:86608180 r6:80277df8 r5:866d6200 r4:86647ac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea79dfb0 to 0xea79dff8) 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 r4:86647ac0 INFO: task kworker/0:82:4740 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:101:4742 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:101 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:dfe75da4 r9:dfe75dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c9880 r4:866c9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c9880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.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 r4:8660c840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8660c840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c9880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f033000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dff3f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a1b98 r4:866a1b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a1b98 r4:86608380 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866083b0 r8:866c9880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86608380 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe39e88 r8:86645b80 r7:86608380 r6:80277df8 r5:866c9880 r4:862ef4c0 [<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 r4:862ef4c0 INFO: task kworker/1:101:4742 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:83:4743 blocked for more than 435 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:4743 tgid:4743 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfefdda4 r9:dfefddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d3d40 r4:866d3d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d3d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfefde28 r4:86647780 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647780 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d3d40 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:dff2f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658f798 r4:8658f798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658f798 r4:86608080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866080b0 r8:866d3d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86608080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645a80 r7:86608080 r6:80277df8 r5:866d3d40 r4:86647ac0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfefdfb0 to 0xdfefdff8) 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 r4:86647ac0 INFO: task kworker/0:83:4743 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e0c2c000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:84:4746 blocked for more than 435 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: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:dff6dda4 r9:dff6ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:866c6e40 r4:866c6e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c6e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff6de28 r4:86647600 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647600 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c6e40 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:dff81000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658ef98 r4:8658ef98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658ef98 r4:8663df00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663df30 r8:866c6e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663df00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86608100 r7:8663df00 r6:80277df8 r5:866c6e40 r4:86606700 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff6dfb0 to 0xdff6dff8) 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 r4:86606700 INFO: task kworker/0:84:4746 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:102:4748 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:102 state:D stack:0 pid:4748 tgid:4748 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dffa9da4 r9:dffa9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866d24c0 r4:866d24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d24c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dffa9e28 r4:86649e80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86649e80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d24c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f083000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea8af000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a0f98 r4:866a0f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a0f98 r4:86645880 [<802770f0>] (process_one_work) from [<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 r9:866458b0 r8:866d24c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86645880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfe39e88 r8:86645800 r7:86645880 r6:80277df8 r5:866d24c0 r4:8660f000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdffa9fb0 to 0xdffa9ff8) 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 r4:8660f000 INFO: task kworker/1:102:4748 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:85:4751 blocked for more than 435 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: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:dfff9da4 r9:dfff9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d4980 r4:866d4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d4980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfff9e28 r4:866473c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866473c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d4980 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:dffe7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658f398 r4:8658f398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658f398 r4:8663df80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663dfb0 r8:866d4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663df80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645700 r7:8663df80 r6:80277df8 r5:866d4980 r4:86614dc0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfff9fb0 to 0xdfff9ff8) 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 r4:86614dc0 INFO: task kworker/0:85:4751 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:103:4752 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:103 state:D stack:0 pid:4752 tgid:4752 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dff35da4 r9:dff35dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d1880 r4:866d1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff35e28 r4:8664dec0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8664dec0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d1880 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:dfc49000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e2f98 r4:866e2f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866e2f98 r4:86645680 [<802770f0>] (process_one_work) from [<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 r9:866456b0 r8:866d1880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86645680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dffa9e88 r8:86645600 r7:86645680 r6:80277df8 r5:866d1880 r4:8663f2c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdff35fb0 to 0xdff35ff8) 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 r4:8663f2c0 INFO: task kworker/1:103:4752 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:86:4754 blocked for more than 435 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:4754 tgid:4754 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e0049da4 r9:e0049dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866d0c40 r4:866d0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d0c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0049e28 r4:86647240 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647240 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d0c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f03b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e003d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658e398 r4:8658e398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658e398 r4:8663de00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663de30 r8:866d0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663de00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645500 r7:8663de00 r6:80277df8 r5:866d0c40 r4:86647480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0049fb0 to 0xe0049ff8) 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 r4:86647480 INFO: task kworker/0:86:4754 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:87:4757 blocked for more than 435 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:4757 tgid:4757 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e03e1da4 r9:e03e1dac r8:00000002 r7:60000013 r6:82cd9e0c r5:866d3100 r4:866d3100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866d3100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e03e1e28 r4:86647480 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647480 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866d3100 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:e039f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658e798 r4:8658e798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658e798 r4:8663dd00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663dd30 r8:866d3100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663dd00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645900 r7:8663dd00 r6:80277df8 r5:866d3100 r4:86639c00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03e1fb0 to 0xe03e1ff8) 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 r4:86639c00 INFO: task kworker/0:87:4757 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:88:4759 blocked for more than 435 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: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:e03f1da4 r9:e03f1dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865d24c0 r4:865d24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865d24c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e03f1e28 r4:86647000 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86647000 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865d24c0 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:e03f7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658df98 r4:8658df98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658df98 r4:8663de80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663deb0 r8:865d24c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663de80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645380 r7:8663de80 r6:80277df8 r5:865d24c0 r4:86647180 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03f1fb0 to 0xe03f1ff8) 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 r4:86647180 INFO: task kworker/0:88:4759 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:104:4760 blocked for more than 435 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:104 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:e0409da4 r9:e0409dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865d1880 r4:865d1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865d1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0409e28 r4:86604740 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86604740 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865d1880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f045000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e4651000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a1398 r4:860a1398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:860a1398 r4:86645280 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866452b0 r8:865d1880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86645280 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff35e88 r8:86645200 r7:86645280 r6:80277df8 r5:865d1880 r4:8660c580 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0409fb0 to 0xe0409ff8) 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 r4:8660c580 INFO: task kworker/1:104:4760 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:89:4761 blocked for more than 435 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: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:e041dda4 r9:e041ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:865d0c40 r4:865d0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865d0c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e041de28 r4:8660bf00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8660bf00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865d0c40 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:e0403000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658eb98 r4:8658eb98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658eb98 r4:8663db80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663dbb0 r8:865d0c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663db80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645100 r7:8663db80 r6:80277df8 r5:865d0c40 r4:866147c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe041dfb0 to 0xe041dff8) 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 r4:866147c0 INFO: task kworker/0:89:4761 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e45b0000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:90:4762 blocked for more than 435 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:4762 tgid:4762 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e04e9da4 r9:e04e9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c4980 r4:866c4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c4980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04e9e28 r4:8660bbc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8660bbc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c4980 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:e04f1000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658db98 r4:8658db98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658db98 r4:8663db00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663db30 r8:866c4980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663db00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:8663dd80 r7:8663db00 r6:80277df8 r5:866c4980 r4:8660bf40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe04e9fb0 to 0xe04e9ff8) 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 r4:8660bf40 INFO: task kworker/0:90:4762 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e611f000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:91:4766 blocked for more than 435 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: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:e04edda4 r9:e04eddac r8:00000002 r7:60000113 r6:82cd9e0c r5:865d0000 r4:865d0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865d0000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e04ede28 r4:8660ba80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8660ba80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865d0000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f047000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:e8689000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e9398 r4:866e9398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e9398 r4:8663da80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663dab0 r8:865d0000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663da80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86642f80 r7:8663da80 r6:80277df8 r5:865d0000 r4:8660be00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe04edfb0 to 0xe04edff8) 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 r4:8660be00 INFO: task kworker/0:91:4766 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e611f000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:92:4769 blocked for more than 435 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:4769 tgid:4769 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e86c9da4 r9:e86c9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c6200 r4:866c6200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c6200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e86c9e28 r4:86639280 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86639280 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c6200 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:e86b7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e9798 r4:866e9798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e9798 r4:8663d900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663d930 r8:866c6200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663d900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86645000 r7:8663d900 r6:80277df8 r5:866c6200 r4:865f6b00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe86c9fb0 to 0xe86c9ff8) 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 r4:865f6b00 INFO: task kworker/0:92:4769 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e611f000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:93:4771 blocked for more than 435 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:4771 tgid:4771 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea70dda4 r9:ea70ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:865ce200 r4:865ce200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865ce200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea70de28 r4:8660b740 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8660b740 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865ce200 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:e86eb000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a0b98 r4:866a0b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866a0b98 r4:8663d880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8663d8b0 r8:865ce200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663d880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd55e88 r8:86642d80 r7:8663d880 r6:80277df8 r5:865ce200 r4:8662ac40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea70dfb0 to 0xea70dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:8662ac40 INFO: task kworker/0:93:4771 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e611f000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:94:4772 blocked for more than 435 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:4772 tgid:4772 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea729da4 r9:ea729dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865cee40 r4:865cee40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865cee40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea729e28 r4:865e4840 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865e4840 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865cee40 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:ea8a7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e7f98 r4:866e7f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e7f98 r4:8663d980 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8663d9b0 r8:865cee40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663d980 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea70de88 r8:86642e80 r7:8663d980 r6:80277df8 r5:865cee40 r4:8660b840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea729fb0 to 0xea729ff8) 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 r4:8660b840 INFO: task kworker/0:94:4772 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e611f000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:95:4774 blocked for more than 435 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: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:ea739da4 r9:ea739dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865cd5c0 r4:865cd5c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865cd5c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea739e28 r4:8660b5c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:8660b5c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865cd5c0 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: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) r5:866e8b98 r4:866e8b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e8b98 r4:8663d780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663d7b0 r8:865cd5c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663d780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea729e88 r8:86642c00 r7:8663d780 r6:80277df8 r5:865cd5c0 r4:8660b840 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea739fb0 to 0xea739ff8) 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 r4:8660b840 INFO: task kworker/0:95:4774 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e611f000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:96:4777 blocked for more than 435 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:4777 tgid:4777 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea855da4 r9:ea855dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865cc980 r4:865cc980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865cc980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea855e28 r4:866480c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866480c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865cc980 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:ea76e000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a3f98 r4:860a3f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a3f98 r4:8663d680 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8663d6b0 r8:865cc980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663d680 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea729e88 r8:86642b00 r7:8663d680 r6:80277df8 r5:865cc980 r4:8660b640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea855fb0 to 0xea855ff8) 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 r4:8660b640 INFO: task kworker/0:96:4777 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e61f7000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:97:4778 blocked for more than 436 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:4778 tgid:4778 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea861da4 r9:ea861dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865cbd40 r4:865cbd40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865cbd40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea861e28 r4:865f8d80 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f8d80 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865cbd40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea857000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e8798 r4:866e8798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e8798 r4:86693e80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86693eb0 r8:865cbd40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693e80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea729e88 r8:86642a00 r7:86693e80 r6:80277df8 r5:865cbd40 r4:865f8f80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea861fb0 to 0xea861ff8) 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 r4:865f8f80 INFO: task kworker/0:97:4778 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: e9fa4000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:98:4780 blocked for more than 436 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:4780 tgid:4780 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfee9da4 r9:dfee9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c3d40 r4:866c3d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c3d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfee9e28 r4:865f8bc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f8bc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c3d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f087000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea8ff000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:860a7f98 r4:860a7f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:860a7f98 r4:8663da00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8663da30 r8:866c3d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663da00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea729e88 r8:86693e00 r7:8663da00 r6:80277df8 r5:866c3d40 r4:8660b6c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfee9fb0 to 0xdfee9ff8) 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 r4:8660b6c0 INFO: task kworker/0:98:4780 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb410000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:99:4783 blocked for more than 436 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:4783 tgid:4783 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e868dda4 r9:e868ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c1880 r4:866c1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e868de28 r4:865f8a40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f8a40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c1880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f089000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea939000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e7b98 r4:866e7b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e7b98 r4:86693c80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86693cb0 r8:866c1880 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693c80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfee9e88 r8:86693c00 r7:86693c80 r6:80277df8 r5:866c1880 r4:86648000 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe868dfb0 to 0xe868dff8) 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 r4:86648000 INFO: task kworker/0:99:4783 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb410000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:105:4785 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:105 state:D stack:0 pid:4785 tgid:4785 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea8f5da4 r9:ea8f5dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865ca4c0 r4:865ca4c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865ca4c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8f5e28 r4:86649d40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86649d40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865ca4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f085000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea8f7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866a0798 r4:866a0798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866a0798 r4:86642880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866428b0 r8:865ca4c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86642880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff35e88 r8:86642800 r7:86642880 r6:80277df8 r5:865ca4c0 r4:8660c400 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8f5fb0 to 0xea8f5ff8) 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 r4:8660c400 INFO: task kworker/1:105:4785 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb410000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:106:4786 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:106 state:D stack:0 pid:4786 tgid:4786 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:e03ddda4 r9:e03dddac r8:00000002 r7:60000113 r6:82cd9e0c r5:865c9880 r4:865c9880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865c9880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e03dde28 r4:86649ac0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86649ac0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865c9880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f08b000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea951000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e3b98 r4:866e3b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866e3b98 r4:86642700 [<802770f0>] (process_one_work) from [<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 r9:86642730 r8:865c9880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86642700 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff35e88 r8:86642680 r7:86642700 r6:80277df8 r5:865c9880 r4:86607f00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe03ddfb0 to 0xe03ddff8) 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 r4:86607f00 INFO: task kworker/1:106:4786 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb410000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:100:4788 blocked for more than 436 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:4788 tgid:4788 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea949da4 r9:ea949dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c3100 r4:866c3100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c3100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea949e28 r4:865f8900 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f8900 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c3100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f08d000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea99b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e7798 r4:866e7798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e7798 r4:8663d800 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:8663d830 r8:866c3100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663d800 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e868de88 r8:8663d700 r7:8663d800 r6:80277df8 r5:866c3100 r4:865f8c80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea949fb0 to 0xea949ff8) 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 r4:865f8c80 INFO: task kworker/0:100:4788 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb410000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:101:4790 blocked for more than 436 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:4790 tgid:4790 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea8f1da4 r9:ea8f1dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865c8c40 r4:865c8c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865c8c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8f1e28 r4:865f85c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f85c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865c8c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f091000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea9d3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e8398 r4:866e8398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e8398 r4:86693b00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86693b30 r8:865c8c40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693b00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea949e88 r8:86642500 r7:86693b00 r6:80277df8 r5:865c8c40 r4:86629900 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8f1fb0 to 0xea8f1ff8) 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 r4:86629900 INFO: task kworker/0:101:4790 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb410000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:107:4792 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:107 state:D stack:0 pid:4792 tgid:4792 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea945da4 r9:ea945dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c24c0 r4:866c24c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c24c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea945e28 r4:86649900 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86649900 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c24c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f08f000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea9a3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e3798 r4:866e3798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866e3798 r4:86693d00 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86693d30 r8:866c24c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86693d00 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff35e88 r8:86642400 r7:86693d00 r6:80277df8 r5:866c24c0 r4:86649b40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea945fb0 to 0xea945ff8) 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 r4:86649b40 INFO: task kworker/1:107:4792 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb410000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:108:4795 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:108 state:D stack:0 pid:4795 tgid:4795 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea9c9da4 r9:ea9c9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c55c0 r4:866c55c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c55c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9c9e28 r4:865f8140 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:865f8140 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c55c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f051000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfac3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e8f98 r4:866e8f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866e8f98 r4:86693a80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86693ab0 r8:866c55c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86693a80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff35e88 r8:86642900 r7:86693a80 r6:80277df8 r5:866c55c0 r4:8660cf80 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9c9fb0 to 0xea9c9ff8) 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 r4:8660cf80 INFO: task kworker/1:108:4795 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb72d000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:102:4796 blocked for more than 436 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:4796 tgid:4796 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea9d1da4 r9:ea9d1dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865cb100 r4:865cb100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865cb100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9d1e28 r4:865f8500 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f8500 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865cb100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f093000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:ea9f3000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e6f98 r4:866e6f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e6f98 r4:86642300 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86642330 r8:865cb100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86642300 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea8f1e88 r8:86642200 r7:86642300 r6:80277df8 r5:865cb100 r4:865f87c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9d1fb0 to 0xea9d1ff8) 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 r4:865f87c0 INFO: task kworker/0:102:4796 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb72d000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:103:4798 blocked for more than 436 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:4798 tgid:4798 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea9edda4 r9:ea9eddac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c0000 r4:866c0000 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c0000 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9ede28 r4:865f8380 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f8380 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c0000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f095000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eaa2b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e6b98 r4:866e6b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e6b98 r4:86693900 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86693930 r8:866c0000 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693900 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea9d1e88 r8:86693880 r7:86693900 r6:80277df8 r5:866c0000 r4:865f8680 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9edfb0 to 0xea9edff8) 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 r4:865f8680 INFO: task kworker/0:103:4798 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb72d000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:104:4800 blocked for more than 436 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:4800 tgid:4800 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea999da4 r9:ea999dac r8:00000002 r7:60000113 r6:82cd9e0c r5:85c16e40 r4:85c16e40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c16e40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea999e28 r4:865f80c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f80c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c16e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f099000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eaa6d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e6798 r4:866e6798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e6798 r4:86693780 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866937b0 r8:85c16e40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693780 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea9ede88 r8:86693700 r7:86693780 r6:80277df8 r5:85c16e40 r4:86607f40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea999fb0 to 0xea999ff8) 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 r4:86607f40 INFO: task kworker/0:104:4800 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: eb72d000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:105:4802 blocked for more than 436 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:4802 tgid:4802 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:ea979da4 r9:ea979dac r8:00000002 r7:60000113 r6:82cd9e0c r5:85c16200 r4:85c16200 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c16200 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea979e28 r4:86612bc0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86612bc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c16200 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:dfa31000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e5798 r4:866e5798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e5798 r4:86642100 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86642130 r8:85c16200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86642100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea999e88 r8:86693600 r7:86642100 r6:80277df8 r5:85c16200 r4:865f82c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea979fb0 to 0xea979ff8) 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 r4:865f82c0 INFO: task kworker/0:105:4802 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: ec563000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:109:4803 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:109 state:D stack:0 pid:4803 tgid:4803 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaa41da4 r9:eaa41dac r8:00000002 r7:60000013 r6:82cd9e0c r5:85c155c0 r4:85c155c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c155c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa41e28 r4:86649780 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86649780 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c155c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f097000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:eaa33000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e3398 r4:866e3398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866e3398 r4:86642080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866420b0 r8:85c155c0 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86642080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff35e88 r8:86693500 r7:86642080 r6:80277df8 r5:85c155c0 r4:8660f9c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa41fb0 to 0xeaa41ff8) 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 r4:8660f9c0 INFO: task kworker/1:109:4803 is blocked on a mutex likely owned by task kworker/0:46:4614. task:kworker/0:46 state:R running task stack:0 pid:4614 tgid:4614 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:85c0e200 r8:80200c04 r7:dfaf5d7c r6:ffffffff r5:85c0e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfaf5d48 to 0xdfaf5d90) 5d40: ec563000 ed7af000 00000000 80239770 82cd91a0 82cd9de4 5d60: 7f07f000 ed7af000 00000000 00000001 82a0b498 dfaf5dbc ed7af000 dfaf5d98 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:dfaf5de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfaf5e28 r4:dfaf5de0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:865f6dc0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c0e200 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:dfb5d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658b798 r4:8658b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8658b798 r4:8663c180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:8663c1b0 r8:85c0e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:8663c180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:e000de88 r8:8663c080 r7:8663c180 r6:80277df8 r5:85c0e200 r4:8660f780 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) 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 r4:8660f780 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:106:4804 blocked for more than 436 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:4804 tgid:4804 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaa5dda4 r9:eaa5ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:85c14980 r4:85c14980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:85c14980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa5de28 r4:86612a00 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86612a00 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:85c14980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f053000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4: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) r5:866e4f98 r4:866e4f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e4f98 r4:86693400 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86693430 r8:85c14980 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693400 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:ea979e88 r8:86693380 r7:86693400 r6:80277df8 r5:85c14980 r4:865f82c0 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa5dfb0 to 0xeaa5dff8) 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 r4:865f82c0 INFO: task kworker/0:106:4804 is blocked on a mutex, but the owner is not found. Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:110:4811 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:110 state:D stack:0 pid:4811 tgid:4811 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:eaa25da4 r9:eaa25dac r8:00000002 r7:60000113 r6:82cd9e0c r5:866c0c40 r4:866c0c40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:866c0c40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa25e28 r4:866496c0 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:866496c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:866c0c40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f055000 [<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125) r5:00001000 r4:dfb15000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8658a398 r4:8658a398 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:8658a398 r4:86613f80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86613fb0 r8:866c0c40 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86613f80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff35e88 r8:86693a00 r7:86613f80 r6:80277df8 r5:866c0c40 r4:865f8940 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa25fb0 to 0xeaa25ff8) 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 r4:865f8940 INFO: task kworker/1:110:4811 is blocked on a mutex, but the owner is not found. Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:107:4815 blocked for more than 436 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:4815 tgid:4815 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfb7dda4 r9:dfb7ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:865c55c0 r4:865c55c0 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865c55c0 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb7de28 r4:86612740 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86612740 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865c55c0 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: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) r5:866e5f98 r4:866e5f98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:866e5f98 r4:86693200 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:86693230 r8:865c55c0 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693200 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:eaa5de88 r8:86613d00 r7:86693200 r6:80277df8 r5:865c55c0 r4:86612e00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb7dfb0 to 0xdfb7dff8) 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 r4:86612e00 INFO: task kworker/0:107:4815 is blocked on a mutex, but the owner is not found. Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:112:4816 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:112 state:D stack:0 pid:4816 tgid:4816 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfb85da4 r9:dfb85dac r8:00000002 r7:60000013 r6:82cd9e0c r5:865c4980 r4:865c4980 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865c4980 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb85e28 r4:86649400 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:86649400 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865c4980 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:dfb8b000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:86095798 r4:86095798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:86095798 r4:86613d80 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86613db0 r8:865c4980 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86613d80 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff35e88 r8:86613c00 r7:86613d80 r6:80277df8 r5:865c4980 r4:865f9040 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb85fb0 to 0xdfb85ff8) 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 r4:865f9040 INFO: task kworker/1:112:4816 is blocked on a mutex, but the owner is not found. Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:108:4817 blocked for more than 436 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:4817 tgid:4817 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfb99da4 r9:dfb99dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865c3d40 r4:865c3d40 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865c3d40 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb99e28 r4:86614640 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86614640 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865c3d40 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:dfc3d000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 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 r4:86693180 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866931b0 r8:865c3d40 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693180 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb7de88 r8:86613b00 r7:86693180 r6:80277df8 r5:865c3d40 r4:86607c40 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb99fb0 to 0xdfb99ff8) 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 r4:86607c40 INFO: task kworker/0:108:4817 is blocked on a mutex, but the owner is not found. Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:109:4818 blocked for more than 436 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:4818 tgid:4818 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfba9da4 r9:dfba9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:865c3100 r4:865c3100 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865c3100 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfba9e28 r4:86612980 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:86612980 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865c3100 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:dfb8f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 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 r4:86693100 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:86693130 r8:865c3100 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86693100 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb99e88 r8:86613a00 r7:86693100 r6:80277df8 r5:865c3100 r4:86607340 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfba9fb0 to 0xdfba9ff8) 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 r4:86607340 INFO: task kworker/0:109:4818 is blocked on a mutex likely owned by task kworker/0:42:4585. task:kworker/0:42 state:R running task stack:0 pid:4585 tgid:4585 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:8403e200 r8:80200c04 r7:e000dd7c r6:ffffffff r5:8403e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xe000dd48 to 0xe000dd90) dd40: 81d8c000 ed95d000 00000000 80239770 82cd91a0 82cd9de4 dd60: 7f03d000 ed95d000 00000000 00000001 82a0b498 e000ddbc ed95d000 e000dd98 dd80: 802306b0 80239788 80000113 ffffffff r5:80000113 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:e000dde0 r8:00000000 r7:ffffffff r6:00000008 r5:e000de28 r4:e000dde0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866006c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8403e200 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:dfb6f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8637b798 r4:8637b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8637b798 r4:86638080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866380b0 r8:8403e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86638080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff5de88 r8:86638000 r7:86638080 r6:80277df8 r5:8403e200 r4:86606480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe000dfb0 to 0xe000dff8) 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 r4:86606480 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:113:4823 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:113 state:D stack:0 pid:4823 tgid:4823 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline]) [<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326) r10:dfccdda4 r9:dfccddac r8:00000002 r7:60000113 r6:82cd9e0c r5:865c1880 r4:865c1880 [<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383) r5:865c1880 r4:82cd9e08 [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline]) [<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821) [<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164) r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfccde28 r4:8664dc40 [<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319) [<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973) [<8051fbec>] (_vm_unmap_aliases) 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 r4:8664dc40 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:865c1880 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:dfcd7000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:866e2b98 r4:866e2b98 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:ddde5000 r6:8302ae00 r5:866e2b98 r4:86613880 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:00000000 r9:866138b0 r8:865c1880 r7:82a03d80 r6:ddde5020 r5:ddde5000 r4:86613880 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfb79e88 r8:86613800 r7:86613880 r6:80277df8 r5:865c1880 r4:86633640 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfccdfb0 to 0xdfccdff8) 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 r4:86633640 INFO: task kworker/1:113:4823 is blocked on a mutex likely owned by task kworker/0:42:4585. task:kworker/0:42 state:R running task stack:0 pid:4585 tgid:4585 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556) r10:82a0b498 r9:8403e200 r8:80200c04 r7:e000dd7c r6:ffffffff r5:8403e200 r4:00000000 [<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xe000dd48 to 0xe000dd90) dd40: 81d8c000 ed95d000 00000000 80239770 82cd91a0 82cd9de4 dd60: 7f03d000 ed95d000 00000000 00000001 82a0b498 e000ddbc ed95d000 e000dd98 dd80: 802306b0 80239788 80000113 ffffffff r5:80000113 r4:80239788 [<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398) [<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012) r10:00000000 r9:e000dde0 r8:00000000 r7:ffffffff r6:00000008 r5:e000de28 r4:e000dde0 [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline]) [<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508) r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000 r4:866006c0 [<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:8403e200 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:dfb6f000 [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline]) [<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295) [<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106) r5:8637b798 r4:8637b798 [<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322) r7:dddd1000 r6:8302b000 r5:8637b798 r4:86638080 [<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline]) [<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486) r10:dddd1000 r9:866380b0 r8:8403e200 r7:82a03d80 r6:dddd1020 r5:dddd1000 r4:86638080 [<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dff5de88 r8:86638000 r7:86638080 r6:80277df8 r5:8403e200 r4:86606480 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe000dfb0 to 0xe000dff8) 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 r4:86606480 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) r7:60000093 r6:60000093 r5:82336570 r4:00000000 [<80201a74>] (show_stack) from [<8021ec68>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201a74>] (show_stack) from [<8021ec68>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120) [<8021ec0c>] (dump_stack_lvl) from [<8021ec94>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r7:00000000 r6:00000013 r5:00000000 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 r6:83320c40 r5:82a1c7b8 r4:ffffffff [<81b5af1c>] (nmi_trigger_cpumask_backtrace) from [<802300d4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:82a0b2f0 r8:0000006b r7:82a1ce80 r6:82ccce2c r5:000077ad 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) r5:000077ad r4:0000000a [<803906c0>] (watchdog) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df819e60 r8:831d5600 r7:00000000 r6:803906c0 r5:83320c40 r4:833dd080 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d5fb0 to 0xdf8d5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:833dd080 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2827 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: 60000013 sp : eb615ec8 ip : eb615ed8 fp : eb615ed4 r10: 82b5e31c r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 82b5e280 r5 : 00000000 r4 : 00000001 r3 : 000021a3 r2 : 00000000 r1 : 60000013 r0 : 84702440 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 85afda40 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 r4:83a0d5c0 [<802ed340>] (nbcon_kthread_func) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:dfd65b38 r8:84ca0e00 r7:82b5e280 r6:802ed340 r5:83a0d5c0 r4:838adc00 [<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb615fb0 to 0xeb615ff8) 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 r4:838adc00