Extracting prog: 12m59.554299358s Minimizing prog: 1h42m1.804224427s Simplifying prog options: 0s Extracting C: 9m43.204993234s Simplifying C: 1h6m50.29757507s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 45s testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$tun-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f00000000c0)='percpu_alloc_percpu\x00', r0}, 0x10) openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 16m0s testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$tun-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f00000000c0)='percpu_alloc_percpu\x00', r0}, 0x10) openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program crashed: INFO: task hung in _vm_unmap_aliases single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$tun detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f00000000c0)='percpu_alloc_percpu\x00', r0}, 0x10) openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f00000000c0)='percpu_alloc_percpu\x00', r0}, 0x10) program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94) program did not crash testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x94) program did not crash extracting C reproducer testing compiled C program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases simplifying C reproducer testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD program crashed: INFO: task hung in _vm_unmap_aliases testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000070000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true reproducing took 3h52m32.359675627s repro crashed as (corrupted=false): INFO: task kworker/0:111:4620 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:111 state:D stack:0 pid:4620 tgid:4620 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6b1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6b1d8c r5:858ca400 r4:858ca400 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858ca400 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6b1e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85816d40 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858ca400 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb99000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e638c r4:856c3700 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e638c r4:856c3700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858ca400 r8:856c372c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3700 r8:80278fec r7:ea69de60 r6:856c3780 r5:858ca400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6b1fb0 to 0xea6b1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854b5880 INFO: task kworker/0:111:4620 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:113:4625 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:113 state:D stack:0 pid:4625 tgid:4625 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6c1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6c1d8c r5:858cc800 r4:858cc800 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858cc800 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6c1e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561ed80 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858cc800 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb61000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8582538c r4:856c3980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8582538c r4:856c3980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858cc800 r8:856c39ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3980 r8:80278fec r7:ea6b1e60 r6:856c3a00 r5:858cc800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6c1fb0 to 0xea6c1ff8) 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 r5:802800e0 r4:8549b3c0 INFO: task kworker/0:113:4625 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:114:4628 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:114 state:D stack:0 pid:4628 tgid:4628 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6f5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6f5d8c r5:858ce000 r4:858ce000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858ce000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6f5e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85805a00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858ce000 r7:00000000 r6:83018400 r5:00001000 r4:7f043000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa1d000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85826f8c r4:856c3b80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85826f8c r4:856c3b80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858ce000 r8:856c3bac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3b80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3b80 r8:80278fec r7:ea6c1e60 r6:856c3c00 r5:858ce000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6f5fb0 to 0xea6f5ff8) 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 r5:802800e0 r4:85814740 INFO: task kworker/0:114:4628 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:115:4629 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:115 state:D stack:0 pid:4629 tgid:4629 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6c9d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6c9d8c r5:858cec00 r4:858cec00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858cec00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6c9e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a21240 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858cec00 r7:00000000 r6:83018400 r5:00001000 r4:7f03d000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df945000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8582438c r4:856c3c80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8582438c r4:856c3c80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858cec00 r8:856c3cac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3c80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3c80 r8:80278fec r7:ea6f5e60 r6:856c3d00 r5:858cec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6c9fb0 to 0xea6c9ff8) 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 r5:802800e0 r4:84e41d40 INFO: task kworker/0:115:4629 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:116:4632 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:116 state:D stack:0 pid:4632 tgid:4632 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea745d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea745d8c r5:858cd400 r4:858cd400 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858cd400 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea745e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a38900 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f051000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dff97000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fde38c r4:856c3d80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fde38c r4:856c3d80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858cd400 r8:856c3dac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3d80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3d80 r8:80278fec r7:ea6c9e60 r6:856c3e00 r5:858cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea745fb0 to 0xea745ff8) 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 r5:802800e0 r4:854bb000 INFO: task kworker/0:116:4632 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:117:4633 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:117 state:D stack:0 pid:4633 tgid:4633 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea741d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea741d8c r5:858c5400 r4:858c5400 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858c5400 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea741e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549b7c0 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858c5400 r7:00000000 r6:83018400 r5:00001000 r4:7f055000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e00ad000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583a78c r4:856c3e80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8583a78c r4:856c3e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858c5400 r8:856c3eac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3e80 r8:80278fec r7:ea745e60 r6:856c3f00 r5:858c5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea741fb0 to 0xea741ff8) 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 r5:802800e0 r4:854bb000 INFO: task kworker/0:117:4633 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:118:4636 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:118 state:D stack:0 pid:4636 tgid:4636 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea799d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea799d8c r5:858d0c00 r4:858d0c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d0c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea799e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ee9700 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0037000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fdef8c r4:84a3f000 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fdef8c r4:84a3f000 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d0c00 r8:84a3f02c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f000 r8:80278fec r7:ea745e60 r6:84a3f080 r5:858d0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea799fb0 to 0xea799ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854bbbc0 INFO: task kworker/0:118:4636 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:119:4637 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:119 state:D stack:0 pid:4637 tgid:4637 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea76dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea76dd8c r5:858d0000 r4:858d0000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d0000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea76de08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bd080 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d0000 r7:00000000 r6:83018400 r5:00001000 r4:7f049000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfab7000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e4f8c r4:84a3f100 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e4f8c r4:84a3f100 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d0000 r8:84a3f12c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f100 r8:80278fec r7:ea745e60 r6:84a3f180 r5:858d0000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea76dfb0 to 0xea76dff8) 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 r5:802800e0 r4:854bbbc0 INFO: task kworker/0:119:4637 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:121:4642 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:121 state:D stack:0 pid:4642 tgid:4642 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea81dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea81dd8c r5:858d3000 r4:858d3000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d3000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea81de08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85870580 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d3000 r7:00000000 r6:83018400 r5:00001000 r4:7f06d000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea5df000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e578c r4:84a3f300 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e578c r4:84a3f300 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d3000 r8:84a3f32c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f300 r8:80278fec r7:ea76de60 r6:84a3f380 r5:858d3000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea81dfb0 to 0xea81dff8) 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 r5:802800e0 r4:8491f540 INFO: task kworker/0:121:4642 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:122:4643 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:122 state:D stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea819d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea819d8c r5:858d3c00 r4:858d3c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d3c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea819e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856c4800 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d3c00 r7:00000000 r6:83018400 r5:00001000 r4:7f05f000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea2a7000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e778c r4:84a3f400 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e778c r4:84a3f400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d3c00 r8:84a3f42c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f400 r8:80278fec r7:ea81de60 r6:84a3f480 r5:858d3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea819fb0 to 0xea819ff8) 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 r5:802800e0 r4:85671000 INFO: task kworker/0:122:4643 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:123:4646 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:123 state:D stack:0 pid:4646 tgid:4646 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea549d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea549d8c r5:858d5400 r4:858d5400 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d5400 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea549e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847e0f80 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d5400 r7:00000000 r6:83018400 r5:00001000 r4:7f06b000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea531000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e738c r4:84a3f500 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e738c r4:84a3f500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d5400 r8:84a3f52c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f500 r8:80278fec r7:ea819e60 r6:84a3f580 r5:858d5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea549fb0 to 0xea549ff8) 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 r5:802800e0 r4:85671300 INFO: task kworker/0:123:4646 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:124:4649 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:124 state:D stack:0 pid:4649 tgid:4649 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea71dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea71dd8c r5:858bb000 r4:858bb000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858bb000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea71de08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bb840 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858bb000 r7:00000000 r6:83018400 r5:00001000 r4:7f069000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea4cb000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e5f8c r4:84a3f600 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e5f8c r4:84a3f600 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858bb000 r8:84a3f62c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f600 r8:80278fec r7:ea819e60 r6:84911f00 r5:858bb000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea71dfb0 to 0xea71dff8) 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 r5:802800e0 r4:85671300 INFO: task kworker/0:124:4649 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:125:4650 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:125 state:D stack:0 pid:4650 tgid:4650 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7d9d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea7d9d8c r5:858bec00 r4:858bec00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858bec00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7d9e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bbe00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858bec00 r7:00000000 r6:83018400 r5:00001000 r4:7f067000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea45b000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e7b8c r4:84a3f680 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e7b8c r4:84a3f680 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858bec00 r8:84a3f6ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f680 r8:80278fec r7:ea819e60 r6:84911f80 r5:858bec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7d9fb0 to 0xea7d9ff8) 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 r5:802800e0 r4:85671e80 INFO: task kworker/0:125:4650 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:126:4653 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:126 state:D stack:0 pid:4653 tgid:4653 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea551d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea551d8c r5:858c8c00 r4:858c8c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858c8c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea551e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bbb80 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858c8c00 r7:00000000 r6:83018400 r5:00001000 r4:7f065000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3b1000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e478c r4:84a3f780 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e478c r4:84a3f780 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858c8c00 r8:84a3f7ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f780 r8:80278fec r7:ea819e60 r6:84911e00 r5:858c8c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea551fb0 to 0xea551ff8) 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 r5:802800e0 r4:8497f880 INFO: task kworker/0:126:4653 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:127:4654 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:127 state:D stack:0 pid:4654 tgid:4654 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea559d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea559d8c r5:85500000 r4:85500000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85500000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea559e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856c4a40 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85500000 r7:00000000 r6:83018400 r5:00001000 r4:7f061000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea301000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e6b8c r4:84a3f800 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e6b8c r4:84a3f800 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85500000 r8:84a3f82c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f800 r8:80278fec r7:ea819e60 r6:84911a00 r5:85500000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea559fb0 to 0xea559ff8) 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 r5:802800e0 r4:8497f880 INFO: task kworker/0:127:4654 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:128:4657 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:128 state:D stack:0 pid:4657 tgid:4657 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea571d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea571d8c r5:85500c00 r4:85500c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85500c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea571e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856c4b40 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85500c00 r7:00000000 r6:83018400 r5:00001000 r4:7f05d000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e8223000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e6f8c r4:84a3f880 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e6f8c r4:84a3f880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85500c00 r8:84a3f8ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f880 r8:80278fec r7:ea819e60 r6:855ff080 r5:85500c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea571fb0 to 0xea571ff8) 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 r5:802800e0 r4:858136c0 INFO: task kworker/0:128:4657 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:132:4665 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:132 state:D stack:0 pid:4665 tgid:4665 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea629d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea629d8c r5:858d4800 r4:858d4800 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d4800 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea629e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dec40 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d4800 r7:00000000 r6:83018400 r5:00001000 r4:7f05b000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e41c1000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc0f8c r4:84a3fb00 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc0f8c r4:84a3fb00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d4800 r8:84a3fb2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3fb00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3fb00 r8:80278fec r7:ea61de60 r6:84a3fb80 r5:858d4800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea629fb0 to 0xea629ff8) 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 r5:802800e0 r4:854b5dc0 INFO: task kworker/0:132:4665 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:161:4837 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:161 state:D stack:0 pid:4837 tgid:4837 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea855d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea855d8c r5:85563c00 r4:85563c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85563c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea855e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff1a80 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85563c00 r7:00000000 r6:83018600 r5:00001000 r4:7f04b000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb25000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8590978c r4:85819e80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8590978c r4:85819e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85563c00 r8:85819eac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85819e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85819e80 r8:80278fec r7:ea859e60 r6:85819f00 r5:85563c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea855fb0 to 0xea855ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85863780 INFO: task kworker/1:161:4837 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:164:4850 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:164 state:D stack:0 pid:4850 tgid:4850 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8b5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b5d8c r5:84903000 r4:84903000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84903000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b5e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b5540 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84903000 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea341000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e5b8c r4:84a1c180 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:858e5b8c r4:84a1c180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84903000 r8:84a1c1ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84a1c180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a1c180 r8:80278fec r7:ea999e60 r6:855fde80 r5:84903000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8b5fb0 to 0xea8b5ff8) 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 r5:802800e0 r4:85869dc0 INFO: task kworker/1:164:4850 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:165:4851 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:165 state:D stack:0 pid:4851 tgid:4851 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8bdd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8bdd8c r5:84903c00 r4:84903c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84903c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8bde08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff1100 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84903c00 r7:00000000 r6:83018600 r5:00001000 r4:7f04f000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfbdf000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f5478c r4:84a1c200 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84f5478c r4:84a1c200 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84903c00 r8:84a1c22c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84a1c200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a1c200 r8:80278fec r7:ea999e60 r6:855fdf00 r5:84903c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8bdfb0 to 0xea8bdff8) 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 r5:802800e0 r4:85869c40 INFO: task kworker/1:165:4851 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:182:4901 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:182 state:D stack:0 pid:4901 tgid:4901 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8d1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8d1d8c r5:85558000 r4:85558000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85558000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d1e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff1fc0 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85558000 r7:00000000 r6:83018600 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4199000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8590b38c r4:8586a200 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8590b38c r4:8586a200 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85558000 r8:8586a22c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8586a200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8586a200 r8:80278fec r7:ea8f5e60 r6:8586a300 r5:85558000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8d1fb0 to 0xea8d1ff8) 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 r5:802800e0 r4:85870740 INFO: task kworker/1:182:4901 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8f206000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 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: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:000b0013 r5:600b0093 r4:82252738 [<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<8021f904>] (dump_stack) from [<81a4ded4>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4dd74>] (nmi_cpu_backtrace) from [<81a4e020>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4def0>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:0002180a r6:00007ba2 r5:82abf7d4 r4:85cf0b0c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf0>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf0>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf0>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f520>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f520 r7:8332a300 r6:8332a300 r5:8321e000 r4:00000001 [<802800e0>] (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 r5:802800e0 r4:832c0b80 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2823 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 : [<81a6e124>] lr : [<80a8f468>] psr: 60000113 sp : eae01eb0 ip : eae01ec0 fp : eae01ebc r10: 82959594 r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 829594f8 r5 : 00000000 r4 : 00000001 r3 : 00000a5a r2 : 00000000 r1 : 60000113 r0 : 84ad5840 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84d912c0 DAC: fffffffd Call trace: [<81a6e0fc>] (_raw_spin_unlock_irqrestore) from [<80a8f468>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6e0fc>] (_raw_spin_unlock_irqrestore) from [<80a8f468>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6e0fc>] (_raw_spin_unlock_irqrestore) from [<80a8f468>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f448>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:84be1800 r4:829594f8 [<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594f8 r8:802e37c8 r7:8476f280 r6:8476f280 r5:84be1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae01fb0 to 0xeae01ff8) 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 r5:802800e0 r4:840bbc00 final repro crashed as (corrupted=false): INFO: task kworker/0:111:4620 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:111 state:D stack:0 pid:4620 tgid:4620 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6b1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6b1d8c r5:858ca400 r4:858ca400 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858ca400 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6b1e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85816d40 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858ca400 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb99000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e638c r4:856c3700 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e638c r4:856c3700 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858ca400 r8:856c372c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3700 r8:80278fec r7:ea69de60 r6:856c3780 r5:858ca400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6b1fb0 to 0xea6b1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854b5880 INFO: task kworker/0:111:4620 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:113:4625 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:113 state:D stack:0 pid:4625 tgid:4625 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6c1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6c1d8c r5:858cc800 r4:858cc800 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858cc800 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6c1e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561ed80 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858cc800 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb61000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8582538c r4:856c3980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8582538c r4:856c3980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858cc800 r8:856c39ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3980 r8:80278fec r7:ea6b1e60 r6:856c3a00 r5:858cc800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6c1fb0 to 0xea6c1ff8) 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 r5:802800e0 r4:8549b3c0 INFO: task kworker/0:113:4625 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:114:4628 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:114 state:D stack:0 pid:4628 tgid:4628 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6f5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6f5d8c r5:858ce000 r4:858ce000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858ce000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6f5e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85805a00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858ce000 r7:00000000 r6:83018400 r5:00001000 r4:7f043000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa1d000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85826f8c r4:856c3b80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85826f8c r4:856c3b80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858ce000 r8:856c3bac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3b80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3b80 r8:80278fec r7:ea6c1e60 r6:856c3c00 r5:858ce000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6f5fb0 to 0xea6f5ff8) 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 r5:802800e0 r4:85814740 INFO: task kworker/0:114:4628 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:115:4629 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:115 state:D stack:0 pid:4629 tgid:4629 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6c9d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea6c9d8c r5:858cec00 r4:858cec00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858cec00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6c9e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a21240 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858cec00 r7:00000000 r6:83018400 r5:00001000 r4:7f03d000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df945000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8582438c r4:856c3c80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8582438c r4:856c3c80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858cec00 r8:856c3cac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3c80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3c80 r8:80278fec r7:ea6f5e60 r6:856c3d00 r5:858cec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6c9fb0 to 0xea6c9ff8) 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 r5:802800e0 r4:84e41d40 INFO: task kworker/0:115:4629 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:116:4632 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:116 state:D stack:0 pid:4632 tgid:4632 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea745d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea745d8c r5:858cd400 r4:858cd400 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858cd400 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea745e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a38900 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f051000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dff97000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fde38c r4:856c3d80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fde38c r4:856c3d80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858cd400 r8:856c3dac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3d80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3d80 r8:80278fec r7:ea6c9e60 r6:856c3e00 r5:858cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea745fb0 to 0xea745ff8) 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 r5:802800e0 r4:854bb000 INFO: task kworker/0:116:4632 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:117:4633 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:117 state:D stack:0 pid:4633 tgid:4633 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea741d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea741d8c r5:858c5400 r4:858c5400 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858c5400 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea741e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8549b7c0 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858c5400 r7:00000000 r6:83018400 r5:00001000 r4:7f055000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e00ad000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8583a78c r4:856c3e80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8583a78c r4:856c3e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858c5400 r8:856c3eac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:856c3e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856c3e80 r8:80278fec r7:ea745e60 r6:856c3f00 r5:858c5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea741fb0 to 0xea741ff8) 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 r5:802800e0 r4:854bb000 INFO: task kworker/0:117:4633 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:118:4636 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:118 state:D stack:0 pid:4636 tgid:4636 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea799d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea799d8c r5:858d0c00 r4:858d0c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d0c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea799e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ee9700 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0037000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fdef8c r4:84a3f000 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fdef8c r4:84a3f000 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d0c00 r8:84a3f02c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f000 r8:80278fec r7:ea745e60 r6:84a3f080 r5:858d0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea799fb0 to 0xea799ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:854bbbc0 INFO: task kworker/0:118:4636 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:119:4637 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:119 state:D stack:0 pid:4637 tgid:4637 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea76dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea76dd8c r5:858d0000 r4:858d0000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d0000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea76de08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bd080 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d0000 r7:00000000 r6:83018400 r5:00001000 r4:7f049000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfab7000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e4f8c r4:84a3f100 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e4f8c r4:84a3f100 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d0000 r8:84a3f12c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f100 r8:80278fec r7:ea745e60 r6:84a3f180 r5:858d0000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea76dfb0 to 0xea76dff8) 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 r5:802800e0 r4:854bbbc0 INFO: task kworker/0:119:4637 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:121:4642 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:121 state:D stack:0 pid:4642 tgid:4642 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea81dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea81dd8c r5:858d3000 r4:858d3000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d3000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea81de08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85870580 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d3000 r7:00000000 r6:83018400 r5:00001000 r4:7f06d000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea5df000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e578c r4:84a3f300 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e578c r4:84a3f300 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d3000 r8:84a3f32c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f300 r8:80278fec r7:ea76de60 r6:84a3f380 r5:858d3000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea81dfb0 to 0xea81dff8) 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 r5:802800e0 r4:8491f540 INFO: task kworker/0:121:4642 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 INFO: task kworker/0:122:4643 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:122 state:D stack:0 pid:4643 tgid:4643 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea819d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea819d8c r5:858d3c00 r4:858d3c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d3c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea819e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856c4800 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d3c00 r7:00000000 r6:83018400 r5:00001000 r4:7f05f000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea2a7000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e778c r4:84a3f400 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e778c r4:84a3f400 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d3c00 r8:84a3f42c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f400 r8:80278fec r7:ea81de60 r6:84a3f480 r5:858d3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea819fb0 to 0xea819ff8) 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 r5:802800e0 r4:85671000 INFO: task kworker/0:122:4643 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:123:4646 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:123 state:D stack:0 pid:4646 tgid:4646 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea549d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea549d8c r5:858d5400 r4:858d5400 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d5400 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea549e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847e0f80 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d5400 r7:00000000 r6:83018400 r5:00001000 r4:7f06b000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea531000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e738c r4:84a3f500 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e738c r4:84a3f500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d5400 r8:84a3f52c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f500 r8:80278fec r7:ea819e60 r6:84a3f580 r5:858d5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea549fb0 to 0xea549ff8) 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 r5:802800e0 r4:85671300 INFO: task kworker/0:123:4646 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:124:4649 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:124 state:D stack:0 pid:4649 tgid:4649 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea71dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea71dd8c r5:858bb000 r4:858bb000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858bb000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea71de08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bb840 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858bb000 r7:00000000 r6:83018400 r5:00001000 r4:7f069000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea4cb000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e5f8c r4:84a3f600 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e5f8c r4:84a3f600 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858bb000 r8:84a3f62c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f600 r8:80278fec r7:ea819e60 r6:84911f00 r5:858bb000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea71dfb0 to 0xea71dff8) 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 r5:802800e0 r4:85671300 INFO: task kworker/0:124:4649 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:125:4650 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:125 state:D stack:0 pid:4650 tgid:4650 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7d9d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea7d9d8c r5:858bec00 r4:858bec00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858bec00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7d9e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bbe00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858bec00 r7:00000000 r6:83018400 r5:00001000 r4:7f067000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea45b000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e7b8c r4:84a3f680 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e7b8c r4:84a3f680 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858bec00 r8:84a3f6ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f680 r8:80278fec r7:ea819e60 r6:84911f80 r5:858bec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7d9fb0 to 0xea7d9ff8) 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 r5:802800e0 r4:85671e80 INFO: task kworker/0:125:4650 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:126:4653 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:126 state:D stack:0 pid:4653 tgid:4653 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea551d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea551d8c r5:858c8c00 r4:858c8c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858c8c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea551e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854bbb80 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858c8c00 r7:00000000 r6:83018400 r5:00001000 r4:7f065000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3b1000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e478c r4:84a3f780 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e478c r4:84a3f780 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858c8c00 r8:84a3f7ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f780 r8:80278fec r7:ea819e60 r6:84911e00 r5:858c8c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea551fb0 to 0xea551ff8) 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 r5:802800e0 r4:8497f880 INFO: task kworker/0:126:4653 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:127:4654 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:127 state:D stack:0 pid:4654 tgid:4654 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea559d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea559d8c r5:85500000 r4:85500000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85500000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea559e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856c4a40 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85500000 r7:00000000 r6:83018400 r5:00001000 r4:7f061000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea301000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e6b8c r4:84a3f800 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e6b8c r4:84a3f800 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85500000 r8:84a3f82c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f800 r8:80278fec r7:ea819e60 r6:84911a00 r5:85500000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea559fb0 to 0xea559ff8) 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 r5:802800e0 r4:8497f880 INFO: task kworker/0:127:4654 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:128:4657 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:128 state:D stack:0 pid:4657 tgid:4657 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea571d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea571d8c r5:85500c00 r4:85500c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85500c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea571e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856c4b40 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85500c00 r7:00000000 r6:83018400 r5:00001000 r4:7f05d000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e8223000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e6f8c r4:84a3f880 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:858e6f8c r4:84a3f880 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85500c00 r8:84a3f8ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f880 r8:80278fec r7:ea819e60 r6:855ff080 r5:85500c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea571fb0 to 0xea571ff8) 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 r5:802800e0 r4:858136c0 INFO: task kworker/0:128:4657 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:132:4665 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:132 state:D stack:0 pid:4665 tgid:4665 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea629d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea629d8c r5:858d4800 r4:858d4800 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:858d4800 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea629e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848dec40 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:858d4800 r7:00000000 r6:83018400 r5:00001000 r4:7f05b000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e41c1000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84fc0f8c r4:84a3fb00 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84fc0f8c r4:84a3fb00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:858d4800 r8:84a3fb2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3fb00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3fb00 r8:80278fec r7:ea61de60 r6:84a3fb80 r5:858d4800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea629fb0 to 0xea629ff8) 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 r5:802800e0 r4:854b5dc0 INFO: task kworker/0:132:4665 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:161:4837 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:161 state:D stack:0 pid:4837 tgid:4837 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea855d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea855d8c r5:85563c00 r4:85563c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85563c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea855e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff1a80 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85563c00 r7:00000000 r6:83018600 r5:00001000 r4:7f04b000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb25000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8590978c r4:85819e80 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8590978c r4:85819e80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85563c00 r8:85819eac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85819e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85819e80 r8:80278fec r7:ea859e60 r6:85819f00 r5:85563c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea855fb0 to 0xea855ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85863780 INFO: task kworker/1:161:4837 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:164:4850 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:164 state:D stack:0 pid:4850 tgid:4850 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8b5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b5d8c r5:84903000 r4:84903000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84903000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b5e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854b5540 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84903000 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea341000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:858e5b8c r4:84a1c180 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:858e5b8c r4:84a1c180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84903000 r8:84a1c1ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84a1c180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a1c180 r8:80278fec r7:ea999e60 r6:855fde80 r5:84903000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8b5fb0 to 0xea8b5ff8) 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 r5:802800e0 r4:85869dc0 INFO: task kworker/1:164:4850 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:165:4851 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:165 state:D stack:0 pid:4851 tgid:4851 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8bdd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8bdd8c r5:84903c00 r4:84903c00 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84903c00 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8bde08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff1100 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84903c00 r7:00000000 r6:83018600 r5:00001000 r4:7f04f000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfbdf000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f5478c r4:84a1c200 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84f5478c r4:84a1c200 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84903c00 r8:84a1c22c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84a1c200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a1c200 r8:80278fec r7:ea999e60 r6:855fdf00 r5:84903c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8bdfb0 to 0xea8bdff8) 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 r5:802800e0 r4:85869c40 INFO: task kworker/1:165:4851 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8ef08000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:182:4901 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:182 state:D stack:0 pid:4901 tgid:4901 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65250>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a642bc>] (__schedule) from [<81a65250>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8d1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8d1d8c r5:85558000 r4:85558000 [<81a65224>] (schedule) from [<81a65638>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85558000 r4:8291719c [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65620>] (schedule_preempt_disabled) from [<81a681e8>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67e98>] (__mutex_lock.constprop.0) from [<81a68990>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8d1e08 r4:00000000 [<81a6897c>] (__mutex_lock_slowpath) from [<81a689d0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68994>] (mutex_lock) from [<804ea31c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff1fc0 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85558000 r7:00000000 r6:83018600 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4199000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8590b38c r4:8586a200 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8590b38c r4:8586a200 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85558000 r8:8586a22c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8586a200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8586a200 r8:80278fec r7:ea8f5e60 r6:8586a300 r5:85558000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8d1fb0 to 0xea8d1ff8) 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 r5:802800e0 r4:85870740 INFO: task kworker/1:182:4901 is blocked on a mutex likely owned by task kworker/0:130:4660. task:kworker/0:130 state:R running task stack:0 pid:4660 tgid:4660 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a642bc>] (__schedule) from [<81a65684>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85502400 r8:80200c04 r7:ea57dd54 r6:ffffffff r5:85502400 r4:00000000 [<81a65644>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea57dd20 to 0xea57dd68) dd20: 8f206000 ebee5000 00000001 80239bf8 7f043000 00000001 82acb1c4 82aca5a0 dd40: 7f043000 ebee5000 8280c9b4 ea57dd9c ea57dda0 ea57dd70 80230af0 80239c10 dd60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea0e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e5c>] (__purge_vmap_area_lazy) from [<804ea498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea57ddc0 r5:ea57de08 r4:ea57ddc0 [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2b4>] (_vm_unmap_aliases) from [<804ee0fc>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848b5d00 r4:00000000 [<804edf90>] (vfree) from [<80559048>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85502400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559018>] (execmem_free) from [<803c5f98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4189000 [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f88>] (bpf_jit_free_exec) from [<803c6378>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6310>] (bpf_jit_free) from [<803c7420>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84f57f8c r4:84a3f980 [<803c72e0>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:84f57f8c r4:84a3f980 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85502400 r8:84a3f9ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84a3f980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84a3f980 r8:80278fec r7:ea579e60 r6:855ff180 r5:85502400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea57dfb0 to 0xea57dff8) 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 r5:802800e0 r4:8549bb00 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: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:000b0013 r5:600b0093 r4:82252738 [<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<8021f904>] (dump_stack) from [<81a4ded4>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4dd74>] (nmi_cpu_backtrace) from [<81a4e020>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4def0>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:0002180a r6:00007ba2 r5:82abf7d4 r4:85cf0b0c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf0>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf0>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf0>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f520>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f520 r7:8332a300 r6:8332a300 r5:8321e000 r4:00000001 [<802800e0>] (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 r5:802800e0 r4:832c0b80 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2823 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 : [<81a6e124>] lr : [<80a8f468>] psr: 60000113 sp : eae01eb0 ip : eae01ec0 fp : eae01ebc r10: 82959594 r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 829594f8 r5 : 00000000 r4 : 00000001 r3 : 00000a5a r2 : 00000000 r1 : 60000113 r0 : 84ad5840 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84d912c0 DAC: fffffffd Call trace: [<81a6e0fc>] (_raw_spin_unlock_irqrestore) from [<80a8f468>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6e0fc>] (_raw_spin_unlock_irqrestore) from [<80a8f468>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6e0fc>] (_raw_spin_unlock_irqrestore) from [<80a8f468>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f448>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:84be1800 r4:829594f8 [<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594f8 r8:802e37c8 r7:8476f280 r6:8476f280 r5:84be1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeae01fb0 to 0xeae01ff8) 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 r5:802800e0 r4:840bbc00