Extracting prog: 12m59.589488318s Minimizing prog: 4h41m49.753088125s Simplifying prog options: 0s Extracting C: 9m27.266705554s Simplifying C: 1h0m46.195419916s 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_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f0000000000)='tlb_flush\x00', r1}, 0x10) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 16m0s testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f0000000000)='tlb_flush\x00', r1}, 0x10) program crashed: INFO: task hung in _vm_unmap_aliases single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=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, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) 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: bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 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: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, 0x0, 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB, @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$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$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, 0x0, &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB, @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 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-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], 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 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$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases simplifying C reproducer testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C 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$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="0500000004000000032000000c"], 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000004bfa200000000000007020000f8ffffffb70bfa0009000000000000000000000085000000010000001801000020756c2500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000020850000000400000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, '\x00', 0x0, @fallback=0xc, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x14, &(0x7f0000000400)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7"], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true reproducing took 6h43m37.331273669s repro crashed as (corrupted=false): INFO: task kworker/1:97:4340 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:97 state:D stack:0 pid:4340 tgid:4340 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfc41d84 r9:829174a8 r8:60000013 r7:829174a8 r6:dfc41d8c r5:85bac800 r4:85bac800 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85bac800 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc41e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b2b640 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bac800 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea420000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:8526278c r4:85b27f80 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:8526278c r4:85b27f80 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85bac800 r8:85b27fac r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85b27f80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b27f80 r8:802762fc r7:ea665e60 r6:85b27d80 r5:85bac800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc41fb0 to 0xdfc41ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:8596b5c0 INFO: task kworker/1:97:4340 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d6eff000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/1:108:4377 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:108 state:D stack:0 pid:4377 tgid:4377 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e4345d84 r9:829174a8 r8:60000113 r7:829174a8 r6:e4345d8c r5:85ba8c00 r4:85ba8c00 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85ba8c00 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4345e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b000 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85ba8c00 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea652000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:84d2938c r4:859cd200 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:84d2938c r4:859cd200 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85ba8c00 r8:859cd22c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:859cd200 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859cd200 r8:802762fc r7:ea571e60 r6:851bb700 r5:85ba8c00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4345fb0 to 0xe4345ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:85b2eb80 INFO: task kworker/1:108:4377 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d6eff000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:59:4397 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:59 state:D stack:0 pid:4397 tgid:4397 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfd15d84 r9:829174a8 r8:60000013 r7:829174a8 r6:dfd15d8c r5:859fd400 r4:859fd400 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:859fd400 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd15e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b780 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859fd400 r7:00000000 r6:83018400 r5:00001000 r4:7f055000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e010f000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b79f8c r4:85b2c500 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b79f8c r4:85b2c500 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:859fd400 r8:85b2c52c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2c500 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2c500 r8:802762fc r7:dfc81e60 r6:85b2c780 r5:859fd400 r4:00000001 [<8027f5d0>] (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 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:85b28f40 INFO: task kworker/0:59:4397 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d73d3000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:60:4399 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:60 state:D stack:0 pid:4399 tgid:4399 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfd49d84 r9:829174a8 r8:60000013 r7:829174a8 r6:dfd49d8c r5:85b9a400 r4:85b9a400 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b9a400 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd49e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595bc00 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b9a400 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e01af000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7ab8c r4:85b2c980 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7ab8c r4:85b2c980 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b9a400 r8:85b2c9ac r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2c980 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2c980 r8:802762fc r7:dfd15e60 r6:85b2ca00 r5:85b9a400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd49fb0 to 0xdfd49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:60:4399 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d73d3000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:62:4403 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:62 state:D stack:0 pid:4403 tgid:4403 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e019dd84 r9:829174a8 r8:60000013 r7:829174a8 r6:e019dd8c r5:85b01800 r4:85b01800 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b01800 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e019de08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595bec0 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b01800 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0259000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7af8c r4:85b2cd00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7af8c r4:85b2cd00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b01800 r8:85b2cd2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cd00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cd00 r8:802762fc r7:dfd49e60 r6:85b2cd80 r5:85b01800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe019dfb0 to 0xe019dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:8595b300 INFO: task kworker/0:62:4403 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d8e96000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:63:4405 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 state:D stack:0 pid:4405 tgid:4405 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfdb5d84 r9:829174a8 r8:60000113 r7:829174a8 r6:dfdb5d8c r5:85b00c00 r4:85b00c00 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b00c00 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdb5e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ad9600 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00c00 r7:00000000 r6:83018400 r5:00001000 r4:7f05b000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e83af000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7b38c r4:85b2cf00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7b38c r4:85b2cf00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00c00 r8:85b2cf2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cf00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cf00 r8:802762fc r7:e019de60 r6:85b2cf80 r5:85b00c00 r4:00000001 [<8027f5d0>] (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 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:8595b400 INFO: task kworker/0:63:4405 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d9153000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:64:4407 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 state:D stack:0 pid:4407 tgid:4407 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e4375d84 r9:829174a8 r8:60000113 r7:829174a8 r6:e4375d8c r5:85b03000 r4:85b03000 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b03000 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4375e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859d20c0 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b03000 r7:00000000 r6:83018400 r5:00001000 r4:7f079000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea57d000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b6d38c r4:859ad000 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b6d38c r4:859ad000 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b03000 r8:859ad02c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:859ad000 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859ad000 r8:802762fc r7:dfdb5e60 r6:859ad080 r5:85b03000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4375fb0 to 0xe4375ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:8595bdc0 INFO: task kworker/0:64:4407 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d9153000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:65:4409 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:4409 tgid:4409 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e83add84 r9:829174a8 r8:60000113 r7:829174a8 r6:e83add8c r5:85b03c00 r4:85b03c00 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b03c00 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e83ade08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8596bb00 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b03c00 r7:00000000 r6:83018400 r5:00001000 r4:7f05f000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea4bd000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7938c r4:859ad200 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7938c r4:859ad200 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b03c00 r8:859ad22c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:859ad200 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859ad200 r8:802762fc r7:e4375e60 r6:859ad280 r5:85b03c00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe83adfb0 to 0xe83adff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:85b21f40 INFO: task kworker/0:65:4409 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d91f6000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:67:4414 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:4414 tgid:4414 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea4f9d84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea4f9d8c r5:85b05400 r4:85b05400 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b05400 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea4f9e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859d2600 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b05400 r7:00000000 r6:83018400 r5:00001000 r4:7f07d000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea675000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b6c38c r4:859ad500 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b6c38c r4:859ad500 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b05400 r8:859ad52c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:859ad500 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859ad500 r8:802762fc r7:ea615e60 r6:859ad580 r5:85b05400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea4f9fb0 to 0xea4f9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859d23c0 INFO: task kworker/0:67:4414 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d94a5000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:68:4417 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:68 state:D stack:0 pid:4417 tgid:4417 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea67dd84 r9:829174a8 r8:60000113 r7:829174a8 r6:ea67dd8c r5:85b06000 r4:85b06000 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b06000 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea67de08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859d2980 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b06000 r7:00000000 r6:83018400 r5:00001000 r4:7f07f000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea69b000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7a38c r4:859ad680 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7a38c r4:859ad680 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b06000 r8:859ad6ac r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:859ad680 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859ad680 r8:802762fc r7:ea615e60 r6:859ad700 r5:85b06000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea67dfb0 to 0xea67dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859d2500 INFO: task kworker/0:68:4417 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d94a5000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a74>] (dump_backtrace) from [<80201b70>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:000b0013 r5:600b0093 r4:8229579c [<80201b58>] (show_stack) from [<8021edec>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b58>] (show_stack) from [<8021edec>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021ed7c>] (dump_stack_lvl) from [<8021ee10>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<8021edf8>] (dump_stack) from [<81a9b500>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a9b3a0>] (nmi_cpu_backtrace) from [<81a9b64c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c6d0 r5:8281af1c r4:ffffffff [<81a9b51c>] (nmi_trigger_cpumask_backtrace) from [<8022f818>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:00007c33 r8:8280c850 r7:0001cd6d r6:00007c33 r5:82ac27e4 r4:00000048 [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa315c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa315c>] (__sys_info lib/sys_info.c:157 [inline]) [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa315c>] (sys_info+0x68/0xa8 lib/sys_info.c:165) [<81aa30f4>] (sys_info) from [<80383788>] (check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]) [<81aa30f4>] (sys_info) from [<80383788>] (watchdog+0x464/0x8a0 kernel/hung_task.c:515) r5:82ac27e4 r4:8601140c [<80383324>] (watchdog) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:80383324 r7:832d4180 r6:832d4180 r5:832e2400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:838c6500 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2815 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:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603 pc : [<81abc670>] lr : [<80aa3828>] psr: 600d0013 sp : eaf91eb0 ip : eaf91ec0 fp : eaf91ebc r10: 82959bc4 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 82959b28 r5 : 00000000 r4 : 00000001 r3 : 0000085f r2 : 00000000 r1 : 600d0013 r0 : 83f1f840 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 85b28440 DAC: 00000000 Call trace: [<81abc648>] (_raw_spin_unlock_irqrestore) from [<80aa3828>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81abc648>] (_raw_spin_unlock_irqrestore) from [<80aa3828>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81abc648>] (_raw_spin_unlock_irqrestore) from [<80aa3828>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80aa3808>] (pl011_console_device_unlock) from [<802e5720>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1149) [<802e5698>] (nbcon_emit_one) from [<802e59a0>] (nbcon_kthread_func+0x208/0x2e4 kernel/printk/nbcon.c:1255) r6:82abf0fc r5:82959b28 r4:83f38c00 [<802e5798>] (nbcon_kthread_func) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:82959b28 r8:802e5798 r7:84ade900 r6:84ade900 r5:83f38c00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaf91fb0 to 0xeaf91ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:84b07100 final repro crashed as (corrupted=false): INFO: task kworker/1:97:4340 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:97 state:D stack:0 pid:4340 tgid:4340 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfc41d84 r9:829174a8 r8:60000013 r7:829174a8 r6:dfc41d8c r5:85bac800 r4:85bac800 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85bac800 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc41e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b2b640 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bac800 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea420000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:8526278c r4:85b27f80 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:8526278c r4:85b27f80 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85bac800 r8:85b27fac r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85b27f80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b27f80 r8:802762fc r7:ea665e60 r6:85b27d80 r5:85bac800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc41fb0 to 0xdfc41ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:8596b5c0 INFO: task kworker/1:97:4340 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d6eff000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/1:108:4377 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:108 state:D stack:0 pid:4377 tgid:4377 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e4345d84 r9:829174a8 r8:60000113 r7:829174a8 r6:e4345d8c r5:85ba8c00 r4:85ba8c00 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85ba8c00 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4345e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b000 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85ba8c00 r7:00000000 r6:83018600 r5:00001000 r4:7f07b000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea652000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:84d2938c r4:859cd200 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:84d2938c r4:859cd200 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85ba8c00 r8:859cd22c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:859cd200 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859cd200 r8:802762fc r7:ea571e60 r6:851bb700 r5:85ba8c00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4345fb0 to 0xe4345ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:85b2eb80 INFO: task kworker/1:108:4377 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d6eff000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:59:4397 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:59 state:D stack:0 pid:4397 tgid:4397 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfd15d84 r9:829174a8 r8:60000013 r7:829174a8 r6:dfd15d8c r5:859fd400 r4:859fd400 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:859fd400 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd15e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b780 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859fd400 r7:00000000 r6:83018400 r5:00001000 r4:7f055000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e010f000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b79f8c r4:85b2c500 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b79f8c r4:85b2c500 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:859fd400 r8:85b2c52c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2c500 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2c500 r8:802762fc r7:dfc81e60 r6:85b2c780 r5:859fd400 r4:00000001 [<8027f5d0>] (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 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:85b28f40 INFO: task kworker/0:59:4397 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d73d3000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:60:4399 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:60 state:D stack:0 pid:4399 tgid:4399 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfd49d84 r9:829174a8 r8:60000013 r7:829174a8 r6:dfd49d8c r5:85b9a400 r4:85b9a400 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b9a400 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd49e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595bc00 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b9a400 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e01af000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7ab8c r4:85b2c980 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7ab8c r4:85b2c980 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b9a400 r8:85b2c9ac r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2c980 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2c980 r8:802762fc r7:dfd15e60 r6:85b2ca00 r5:85b9a400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd49fb0 to 0xdfd49ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:60:4399 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d73d3000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:62:4403 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:62 state:D stack:0 pid:4403 tgid:4403 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e019dd84 r9:829174a8 r8:60000013 r7:829174a8 r6:e019dd8c r5:85b01800 r4:85b01800 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b01800 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e019de08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595bec0 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b01800 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0259000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7af8c r4:85b2cd00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7af8c r4:85b2cd00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b01800 r8:85b2cd2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cd00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cd00 r8:802762fc r7:dfd49e60 r6:85b2cd80 r5:85b01800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe019dfb0 to 0xe019dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:8595b300 INFO: task kworker/0:62:4403 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d8e96000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:63:4405 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 state:D stack:0 pid:4405 tgid:4405 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfdb5d84 r9:829174a8 r8:60000113 r7:829174a8 r6:dfdb5d8c r5:85b00c00 r4:85b00c00 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b00c00 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdb5e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ad9600 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00c00 r7:00000000 r6:83018400 r5:00001000 r4:7f05b000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e83af000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7b38c r4:85b2cf00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7b38c r4:85b2cf00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00c00 r8:85b2cf2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cf00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cf00 r8:802762fc r7:e019de60 r6:85b2cf80 r5:85b00c00 r4:00000001 [<8027f5d0>] (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 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:8595b400 INFO: task kworker/0:63:4405 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d9153000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:64:4407 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 state:D stack:0 pid:4407 tgid:4407 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e4375d84 r9:829174a8 r8:60000113 r7:829174a8 r6:e4375d8c r5:85b03000 r4:85b03000 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b03000 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4375e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859d20c0 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b03000 r7:00000000 r6:83018400 r5:00001000 r4:7f079000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea57d000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b6d38c r4:859ad000 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b6d38c r4:859ad000 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b03000 r8:859ad02c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:859ad000 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859ad000 r8:802762fc r7:dfdb5e60 r6:859ad080 r5:85b03000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4375fb0 to 0xe4375ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:8595bdc0 INFO: task kworker/0:64:4407 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d9153000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:65:4409 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:4409 tgid:4409 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e83add84 r9:829174a8 r8:60000113 r7:829174a8 r6:e83add8c r5:85b03c00 r4:85b03c00 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b03c00 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e83ade08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8596bb00 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b03c00 r7:00000000 r6:83018400 r5:00001000 r4:7f05f000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea4bd000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7938c r4:859ad200 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7938c r4:859ad200 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b03c00 r8:859ad22c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:859ad200 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859ad200 r8:802762fc r7:e4375e60 r6:859ad280 r5:85b03c00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe83adfb0 to 0xe83adff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:85b21f40 INFO: task kworker/0:65:4409 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d91f6000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:67:4414 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:4414 tgid:4414 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea4f9d84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea4f9d8c r5:85b05400 r4:85b05400 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b05400 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea4f9e08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859d2600 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b05400 r7:00000000 r6:83018400 r5:00001000 r4:7f07d000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea675000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b6c38c r4:859ad500 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b6c38c r4:859ad500 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b05400 r8:859ad52c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:859ad500 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859ad500 r8:802762fc r7:ea615e60 r6:859ad580 r5:85b05400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea4f9fb0 to 0xea4f9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859d23c0 INFO: task kworker/0:67:4414 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d94a5000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 INFO: task kworker/0:68:4417 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:68 state:D stack:0 pid:4417 tgid:4417 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a1c>] (__schedule) from [<81ab2cc8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea67dd84 r9:829174a8 r8:60000113 r7:829174a8 r6:ea67dd8c r5:85b06000 r4:85b06000 [<81ab2c9c>] (schedule) from [<81ab2e50>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b06000 r4:829174a4 [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e38>] (schedule_preempt_disabled) from [<81ab64d4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5e7c>] (__mutex_lock.constprop.0) from [<81ab6edc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea67de08 r4:00000000 [<81ab6ec8>] (__mutex_lock_slowpath) from [<81ab6f1c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6ee0>] (mutex_lock) from [<804f4260>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859d2980 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b06000 r7:00000000 r6:83018400 r5:00001000 r4:7f07f000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea69b000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7a38c r4:859ad680 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7a38c r4:859ad680 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b06000 r8:859ad6ac r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:859ad680 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859ad680 r8:802762fc r7:ea615e60 r6:859ad700 r5:85b06000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea67dfb0 to 0xea67dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859d2500 INFO: task kworker/0:68:4417 is blocked on a mutex likely owned by task kworker/0:61:4400. task:kworker/0:61 state:R running task stack:0 pid:4400 tgid:4400 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a1c>] (__schedule) from [<81ab30fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b00000 r8:80200c04 r7:dfd61d54 r6:ffffffff r5:85b00000 r4:00000000 [<81ab30bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd61d20 to 0xdfd61d68) 1d20: d94a5000 ebc0f000 00000001 80239018 7f049000 00000001 82ace204 82acd5e0 1d40: 7f049000 ebc0f000 8280c9f8 dfd61d9c dfd61da0 dfd61d70 8022fe10 80239030 1d60: 80000113 ffffffff r5:80000113 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4024>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3da0>] (__purge_vmap_area_lazy) from [<804f43dc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08 r4:dfd61dc0 [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f41f8>] (_vm_unmap_aliases) from [<804f8048>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b540 r4:00000000 [<804f7edc>] (vfree) from [<80563e54>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b00000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80563e24>] (execmem_free) from [<803cb1cc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfdb7000 [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803cb1bc>] (bpf_jit_free_exec) from [<803cb5ac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803cb544>] (bpf_jit_free) from [<803cc6d4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2919) r5:85b7978c r4:85b2cb00 [<803cc594>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85b7978c r4:85b2cb00 [<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline]) [<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421) r10:61c88647 r9:85b00000 r8:85b2cb2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85b2cb00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b2cb00 r8:802762fc r7:dfd15e60 r6:85b2cc00 r5:85b00000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd61fb0 to 0xdfd61ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859cad00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a74>] (dump_backtrace) from [<80201b70>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:000b0013 r5:600b0093 r4:8229579c [<80201b58>] (show_stack) from [<8021edec>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b58>] (show_stack) from [<8021edec>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021ed7c>] (dump_stack_lvl) from [<8021ee10>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<8021edf8>] (dump_stack) from [<81a9b500>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a9b3a0>] (nmi_cpu_backtrace) from [<81a9b64c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c6d0 r5:8281af1c r4:ffffffff [<81a9b51c>] (nmi_trigger_cpumask_backtrace) from [<8022f818>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:00007c33 r8:8280c850 r7:0001cd6d r6:00007c33 r5:82ac27e4 r4:00000048 [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa315c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa315c>] (__sys_info lib/sys_info.c:157 [inline]) [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa315c>] (sys_info+0x68/0xa8 lib/sys_info.c:165) [<81aa30f4>] (sys_info) from [<80383788>] (check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]) [<81aa30f4>] (sys_info) from [<80383788>] (watchdog+0x464/0x8a0 kernel/hung_task.c:515) r5:82ac27e4 r4:8601140c [<80383324>] (watchdog) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:80383324 r7:832d4180 r6:832d4180 r5:832e2400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:838c6500 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2815 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:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603 pc : [<81abc670>] lr : [<80aa3828>] psr: 600d0013 sp : eaf91eb0 ip : eaf91ec0 fp : eaf91ebc r10: 82959bc4 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 82959b28 r5 : 00000000 r4 : 00000001 r3 : 0000085f r2 : 00000000 r1 : 600d0013 r0 : 83f1f840 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 85b28440 DAC: 00000000 Call trace: [<81abc648>] (_raw_spin_unlock_irqrestore) from [<80aa3828>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81abc648>] (_raw_spin_unlock_irqrestore) from [<80aa3828>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81abc648>] (_raw_spin_unlock_irqrestore) from [<80aa3828>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80aa3808>] (pl011_console_device_unlock) from [<802e5720>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1149) [<802e5698>] (nbcon_emit_one) from [<802e59a0>] (nbcon_kthread_func+0x208/0x2e4 kernel/printk/nbcon.c:1255) r6:82abf0fc r5:82959b28 r4:83f38c00 [<802e5798>] (nbcon_kthread_func) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:82959b28 r8:802e5798 r7:84ade900 r6:84ade900 r5:83f38c00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaf91fb0 to 0xeaf91ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:84b07100