Extracting prog: 14m6.517651538s Minimizing prog: 5h57m36.239584357s Simplifying prog options: 0s Extracting C: 9m26.02191323s Simplifying C: 1h0m43.963084789s extracting reproducer from 1 programs testing a last program of every proc 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}}): prlimit64-sched_setscheduler-mmap-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000005c0)={&(0x7f0000000300)='sys_enter\x00', r1}, 0x10) program crashed: INFO: task hung in _vm_unmap_aliases single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=18m35.86154491s, {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}}): prlimit64-sched_setscheduler-mmap-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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}}): prlimit64-sched_setscheduler-mmap-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) program did not crash testing program (duration=18m35.86154491s, {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}}): prlimit64-sched_setscheduler-mmap-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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}}): prlimit64-sched_setscheduler-mmap-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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}}): prlimit64-sched_setscheduler-mmap-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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}}): prlimit64-sched_setscheduler-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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}}): prlimit64-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, 0x0, 0x0) program did not crash testing program (duration=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, 0x0, &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases simplifying C reproducer testing compiled C program (duration=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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=18m35.86154491s, {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$PROG_LOAD-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x0, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1801000011000000000000000000000018120000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000f6000000850000004300000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x0, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000850000006d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 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 7h59m18.263684407s repro crashed as (corrupted=false): INFO: task kworker/0:2:3116 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:3116 tgid:3116 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:eaafdd84 r9:829174a8 r8:60000113 r7:829174a8 r6:eaafdd8c r5:83302400 r4:83302400 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:83302400 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaafde08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dd2c80 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:83302400 r7:00000000 r6:83018400 r5:00001000 r4:7f06f000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:ea9a5000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e08794 r4:84b1eb80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e08794 r4:84b1eb80 [<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 r9:83302400 r8:84b1ebac r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:84b1eb80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84b1eb80 r8:802762fc r7:ebdcde60 r6:84b1ec00 r5:83302400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaafdfb0 to 0xeaafdff8) 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 r4:84c1d540 INFO: task kworker/0:2:3116 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/0:11:4100 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:11 state:D stack:0 pid:4100 tgid:4100 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea925d84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea925d8c r5:84e7d400 r4:84e7d400 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:84e7d400 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea925e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85808480 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84e7d400 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:e0283000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e0bb94 r4:85812c80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e0bb94 r4:85812c80 [<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 r9:84e7d400 r8:85812cac r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85812c80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85812c80 r8:802762fc r7:ea7c9e60 r6:85812e00 r5:84e7d400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea925fb0 to 0xea925ff8) 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 r4:859a6d40 INFO: task kworker/0:11:4100 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:142:4699 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:142 state:D stack:0 pid:4699 tgid:4699 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea77dd84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea77dd8c r5:853fd400 r4:853fd400 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:853fd400 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea77de08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dd95c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:853fd400 r7:00000000 r6:83018600 r5:00001000 r4:7f05f000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfc25000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85df9b94 r4:85dc3700 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85df9b94 r4:85dc3700 [<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 r9:853fd400 r8:85dc372c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3700 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3700 r8:802762fc r7:e02fde60 r6:85dc3780 r5:853fd400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea77dfb0 to 0xea77dff8) 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 r4:85d86400 INFO: task kworker/1:142:4699 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:147:4715 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:147 state:D stack:0 pid:4715 tgid:4715 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfa39d84 r9:829174a8 r8:60000113 r7:829174a8 r6:dfa39d8c r5:85264800 r4:85264800 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85264800 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa39e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c19f00 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85264800 r7:00000000 r6:83018600 r5:00001000 r4:7f05b000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfafd000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85dfa394 r4:85dc3e00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85dfa394 r4:85dc3e00 [<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 r9:85264800 r8:85dc3e2c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3e00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3e00 r8:802762fc r7:ea77de60 r6:85d8f100 r5:85264800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa39fb0 to 0xdfa39ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859f54c0 INFO: task kworker/1:147:4715 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:148:4717 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:148 state:D stack:0 pid:4717 tgid:4717 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfac5d84 r9:829174a8 r8:60000113 r7:829174a8 r6:dfac5d8c r5:85265400 r4:85265400 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85265400 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfac5e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dd9480 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85265400 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfba3000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85dfa794 r4:85dc3e80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85dfa794 r4:85dc3e80 [<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 r9:85265400 r8:85dc3eac r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3e80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3e80 r8:802762fc r7:dfa39e60 r6:85d8f000 r5:85265400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfac5fb0 to 0xdfac5ff8) 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 r4:859f5940 INFO: task kworker/1:148:4717 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/0:168:4720 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:168 state:D stack:0 pid:4720 tgid:4720 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e8541d84 r9:829174a8 r8:60000013 r7:829174a8 r6:e8541d8c r5:85266000 r4:85266000 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85266000 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8541e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dd9b80 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85266000 r7:00000000 r6:83018400 r5:00001000 r4:7f071000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:eab81000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6e394 r4:85d8f200 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6e394 r4:85d8f200 [<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 r9:85266000 r8:85d8f22c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85d8f200 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85d8f200 r8:802762fc r7:ea789e60 r6:85d8f280 r5:85266000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8541fb0 to 0xe8541ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859a3d40 INFO: task kworker/0:168:4720 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:149:4722 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:149 state:D stack:0 pid:4722 tgid:4722 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea679d84 r9:829174a8 r8:60000113 r7:829174a8 r6:ea679d8c r5:85266c00 r4:85266c00 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85266c00 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea679e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d82c00 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85266c00 r7:00000000 r6:83018600 r5:00001000 r4:7f061000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfce5000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e05f94 r4:85dc3f00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85e05f94 r4:85dc3f00 [<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 r9:85266c00 r8:85dc3f2c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3f00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3f00 r8:802762fc r7:ea77de60 r6:85d8f380 r5:85266c00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea679fb0 to 0xea679ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859f5b40 INFO: task kworker/1:149:4722 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:150:4723 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:150 state:D stack:0 pid:4723 tgid:4723 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea6a9d84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea6a9d8c r5:85261800 r4:85261800 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85261800 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6a9e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c19a00 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85261800 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:e0421000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e06f94 r4:85dc3f80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85e06f94 r4:85dc3f80 [<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 r9:85261800 r8:85dc3fac r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3f80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3f80 r8:802762fc r7:ea679e60 r6:85d8f480 r5:85261800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6a9fb0 to 0xea6a9ff8) 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 r4:859f51c0 INFO: task kworker/1:150:4723 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:151:4725 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:151 state:D stack:0 pid:4725 tgid:4725 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea6add84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea6add8c r5:8509b000 r4:8509b000 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:8509b000 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6ade08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859f5f40 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8509b000 r7:00000000 r6:83018600 r5:00001000 r4:7f065000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:ea61d000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e07f94 r4:85dc3d80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85e07f94 r4:85dc3d80 [<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 r9:8509b000 r8:85dc3dac r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3d80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3d80 r8:802762fc r7:ea6a9e60 r6:85d8f600 r5:8509b000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6adfb0 to 0xea6adff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859f5680 INFO: task kworker/1:151:4725 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:152:4728 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:152 state:D stack:0 pid:4728 tgid:4728 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfbd5d84 r9:829174a8 r8:60000113 r7:829174a8 r6:dfbd5d8c r5:85b91800 r4:85b91800 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b91800 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbd5e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d82b00 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85b91800 r7:00000000 r6:83018600 r5:00001000 r4:7f067000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:ea6c3000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e04b94 r4:85dc3c00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85e04b94 r4:85dc3c00 [<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 r9:85b91800 r8:85dc3c2c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3c00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3c00 r8:802762fc r7:ea6ade60 r6:85dc3a80 r5:85b91800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbd5fb0 to 0xdfbd5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:85d82dc0 INFO: task kworker/1:152:4728 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 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 r6:000f0113 r5:600f0193 r4:822957d8 [<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) r5:00000001 r4:00000001 [<8021edf8>] (dump_stack) from [<81a9b540>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a9b3e0>] (nmi_cpu_backtrace) from [<81a9b68c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c6d0 r5:8281af1c r4:ffffffff [<81a9b55c>] (nmi_trigger_cpumask_backtrace) from [<8022f818>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:00007bda r8:8280c850 r7:0001c1a3 r6:00007bda r5:82ac27e4 r4:00000048 [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (__sys_info lib/sys_info.c:157 [inline]) [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (sys_info+0x68/0xa8 lib/sys_info.c:165) [<81aa3134>] (sys_info) from [<80383780>] (check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]) [<81aa3134>] (sys_info) from [<80383780>] (watchdog+0x464/0x8a0 kernel/hung_task.c:515) r5:82ac27e4 r4:8623f20c [<8038331c>] (watchdog) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8038331c 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2818 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 : [<81abc6b0>] lr : [<80aa3868>] psr: 600f0113 sp : eb321eb0 ip : eb321ec0 fp : eb321ebc r10: 82959bc4 r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 82959b28 r5 : 00000000 r4 : 00000001 r3 : 0000089f r2 : 00000000 r1 : 600f0113 r0 : 8451ac40 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 85a3bd00 DAC: fffffffd Call trace: [<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80aa3848>] (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 r4:8463bc00 [<802e5798>] (nbcon_kthread_func) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:82959b28 r8:802e5798 r7:845f1c00 r6:845f1c00 r5:8463bc00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb321fb0 to 0xeb321ff8) 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 r4:84b95cc0 final repro crashed as (corrupted=false): INFO: task kworker/0:2:3116 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:3116 tgid:3116 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:eaafdd84 r9:829174a8 r8:60000113 r7:829174a8 r6:eaafdd8c r5:83302400 r4:83302400 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:83302400 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaafde08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dd2c80 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:83302400 r7:00000000 r6:83018400 r5:00001000 r4:7f06f000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:ea9a5000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e08794 r4:84b1eb80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e08794 r4:84b1eb80 [<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 r9:83302400 r8:84b1ebac r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:84b1eb80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84b1eb80 r8:802762fc r7:ebdcde60 r6:84b1ec00 r5:83302400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaafdfb0 to 0xeaafdff8) 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 r4:84c1d540 INFO: task kworker/0:2:3116 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/0:11:4100 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:11 state:D stack:0 pid:4100 tgid:4100 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea925d84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea925d8c r5:84e7d400 r4:84e7d400 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:84e7d400 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea925e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85808480 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84e7d400 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:e0283000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e0bb94 r4:85812c80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e0bb94 r4:85812c80 [<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 r9:84e7d400 r8:85812cac r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85812c80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85812c80 r8:802762fc r7:ea7c9e60 r6:85812e00 r5:84e7d400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea925fb0 to 0xea925ff8) 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 r4:859a6d40 INFO: task kworker/0:11:4100 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:142:4699 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:142 state:D stack:0 pid:4699 tgid:4699 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea77dd84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea77dd8c r5:853fd400 r4:853fd400 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:853fd400 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea77de08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dd95c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:853fd400 r7:00000000 r6:83018600 r5:00001000 r4:7f05f000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfc25000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85df9b94 r4:85dc3700 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85df9b94 r4:85dc3700 [<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 r9:853fd400 r8:85dc372c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3700 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3700 r8:802762fc r7:e02fde60 r6:85dc3780 r5:853fd400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea77dfb0 to 0xea77dff8) 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 r4:85d86400 INFO: task kworker/1:142:4699 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:147:4715 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:147 state:D stack:0 pid:4715 tgid:4715 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfa39d84 r9:829174a8 r8:60000113 r7:829174a8 r6:dfa39d8c r5:85264800 r4:85264800 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85264800 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa39e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c19f00 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85264800 r7:00000000 r6:83018600 r5:00001000 r4:7f05b000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfafd000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85dfa394 r4:85dc3e00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85dfa394 r4:85dc3e00 [<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 r9:85264800 r8:85dc3e2c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3e00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3e00 r8:802762fc r7:ea77de60 r6:85d8f100 r5:85264800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa39fb0 to 0xdfa39ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859f54c0 INFO: task kworker/1:147:4715 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:148:4717 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:148 state:D stack:0 pid:4717 tgid:4717 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfac5d84 r9:829174a8 r8:60000113 r7:829174a8 r6:dfac5d8c r5:85265400 r4:85265400 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85265400 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfac5e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dd9480 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85265400 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfba3000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85dfa794 r4:85dc3e80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85dfa794 r4:85dc3e80 [<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 r9:85265400 r8:85dc3eac r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3e80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3e80 r8:802762fc r7:dfa39e60 r6:85d8f000 r5:85265400 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfac5fb0 to 0xdfac5ff8) 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 r4:859f5940 INFO: task kworker/1:148:4717 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/0:168:4720 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:168 state:D stack:0 pid:4720 tgid:4720 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:e8541d84 r9:829174a8 r8:60000013 r7:829174a8 r6:e8541d8c r5:85266000 r4:85266000 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85266000 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8541e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85dd9b80 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85266000 r7:00000000 r6:83018400 r5:00001000 r4:7f071000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:eab81000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6e394 r4:85d8f200 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6e394 r4:85d8f200 [<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 r9:85266000 r8:85d8f22c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85d8f200 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85d8f200 r8:802762fc r7:ea789e60 r6:85d8f280 r5:85266000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8541fb0 to 0xe8541ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859a3d40 INFO: task kworker/0:168:4720 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:149:4722 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:149 state:D stack:0 pid:4722 tgid:4722 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea679d84 r9:829174a8 r8:60000113 r7:829174a8 r6:ea679d8c r5:85266c00 r4:85266c00 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85266c00 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea679e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d82c00 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85266c00 r7:00000000 r6:83018600 r5:00001000 r4:7f061000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfce5000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e05f94 r4:85dc3f00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85e05f94 r4:85dc3f00 [<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 r9:85266c00 r8:85dc3f2c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3f00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3f00 r8:802762fc r7:ea77de60 r6:85d8f380 r5:85266c00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea679fb0 to 0xea679ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859f5b40 INFO: task kworker/1:149:4722 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:150:4723 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:150 state:D stack:0 pid:4723 tgid:4723 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea6a9d84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea6a9d8c r5:85261800 r4:85261800 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85261800 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6a9e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c19a00 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85261800 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:e0421000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e06f94 r4:85dc3f80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85e06f94 r4:85dc3f80 [<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 r9:85261800 r8:85dc3fac r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3f80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3f80 r8:802762fc r7:ea679e60 r6:85d8f480 r5:85261800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6a9fb0 to 0xea6a9ff8) 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 r4:859f51c0 INFO: task kworker/1:150:4723 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:151:4725 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:151 state:D stack:0 pid:4725 tgid:4725 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:ea6add84 r9:829174a8 r8:60000013 r7:829174a8 r6:ea6add8c r5:8509b000 r4:8509b000 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:8509b000 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6ade08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859f5f40 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8509b000 r7:00000000 r6:83018600 r5:00001000 r4:7f065000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:ea61d000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e07f94 r4:85dc3d80 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85e07f94 r4:85dc3d80 [<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 r9:8509b000 r8:85dc3dac r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3d80 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3d80 r8:802762fc r7:ea6a9e60 r6:85d8f600 r5:8509b000 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6adfb0 to 0xea6adff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:859f5680 INFO: task kworker/1:151:4725 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 INFO: task kworker/1:152:4728 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:152 state:D stack:0 pid:4728 tgid:4728 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline]) [<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960) r10:dfbd5d84 r9:829174a8 r8:60000113 r7:829174a8 r6:dfbd5d8c r5:85b91800 r4:85b91800 [<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017) r5:85b91800 r4:829174a4 [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline]) [<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776) [<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065) r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbd5e08 r4:00000000 [<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290) [<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d82b00 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85b91800 r7:00000000 r6:83018600 r5:00001000 r4:7f067000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:ea6c3000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e04b94 r4:85dc3c00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:ddde3b40 r6:83018600 r5:85e04b94 r4:85dc3c00 [<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 r9:85b91800 r8:85dc3c2c r7:82804d80 r6:ddde3b40 r5:ddde3b60 r4:85dc3c00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dc3c00 r8:802762fc r7:ea6ade60 r6:85dc3a80 r5:85b91800 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbd5fb0 to 0xdfbd5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0 r4:85d82dc0 INFO: task kworker/1:152:4728 is blocked on a mutex likely owned by task kworker/0:157:4643. task:kworker/0:157 state:R running task stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190) r10:8280c9f8 r9:85b8ec00 r8:80200c04 r7:ea7c5d54 r6:ffffffff r5:85b8ec00 r4:00000000 [<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea7c5d20 to 0xea7c5d68) 5d20: e2601000 eab47000 00000001 80239018 df83b000 00000001 82ace204 82acd5e0 5d40: df83b000 eab47000 8280c9f8 ea7c5d9c ea7c5da0 ea7c5d70 8022fe10 80239030 5d60: 800d0013 ffffffff r5:800d0013 r4:80239030 [<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369) r4:82ace224 [<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea7c5dc0 r5:ea7c5e08 r4:ea7c5dc0 [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline]) [<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85ddd9c0 r4:00000000 [<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85b8ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068) r5:00001000 r4:dfa45000 [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline]) [<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237) [<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935) r5:85e6eb94 r4:85dbba00 [<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257) r7:dddcfb40 r6:83018400 r5:85e6eb94 r4:85dbba00 [<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 r9:85b8ec00 r8:85dbba2c r7:82804d80 r6:dddcfb40 r5:dddcfb60 r4:85dbba00 [<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85dbba00 r8:802762fc r7:ea6bde60 r6:859f6800 r5:85b8ec00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7c5fb0 to 0xea7c5ff8) 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 r4:85c43bc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 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 r6:000f0113 r5:600f0193 r4:822957d8 [<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) r5:00000001 r4:00000001 [<8021edf8>] (dump_stack) from [<81a9b540>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a9b3e0>] (nmi_cpu_backtrace) from [<81a9b68c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c6d0 r5:8281af1c r4:ffffffff [<81a9b55c>] (nmi_trigger_cpumask_backtrace) from [<8022f818>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:00007bda r8:8280c850 r7:0001c1a3 r6:00007bda r5:82ac27e4 r4:00000048 [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (__sys_info lib/sys_info.c:157 [inline]) [<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (sys_info+0x68/0xa8 lib/sys_info.c:165) [<81aa3134>] (sys_info) from [<80383780>] (check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]) [<81aa3134>] (sys_info) from [<80383780>] (watchdog+0x464/0x8a0 kernel/hung_task.c:515) r5:82ac27e4 r4:8623f20c [<8038331c>] (watchdog) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8038331c 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2818 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 : [<81abc6b0>] lr : [<80aa3868>] psr: 600f0113 sp : eb321eb0 ip : eb321ec0 fp : eb321ebc r10: 82959bc4 r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 82959b28 r5 : 00000000 r4 : 00000001 r3 : 0000089f r2 : 00000000 r1 : 600f0113 r0 : 8451ac40 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 85a3bd00 DAC: fffffffd Call trace: [<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80aa3848>] (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 r4:8463bc00 [<802e5798>] (nbcon_kthread_func) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:82959b28 r8:802e5798 r7:845f1c00 r6:845f1c00 r5:8463bc00 r4:00000001 [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb321fb0 to 0xeb321ff8) 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 r4:84b95cc0