Extracting prog: 9m11.460541731s Minimizing prog: 1h18m15.557721085s Simplifying prog options: 0s Extracting C: 9m38.01056741s Simplifying C: 1h5m3.820046731s 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 detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000180)={0x11, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="1801000021000000000000004bc311ec8500000075000000850000000800000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='signal_deliver\x00', r0}, 0x10) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 16m0s testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000180)={0x11, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="1801000021000000000000004bc311ec8500000075000000850000000800000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='signal_deliver\x00', r0}, 0x10) program crashed: lost connection to test machine single: successfully extracted reproducer found reproducer with 2 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$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000180)={0x11, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="1801000021000000000000004bc311ec8500000075000000850000000800000095"], &(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, &(0x7f0000000180)={0x11, 0x5, 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, &(0x7f0000000180)={0x11, 0x5, &(0x7f0000000280)=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, &(0x7f0000000180)={0x11, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="1801000021000000000000004bc311ec8500000075000000850000000800000095"], 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$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000180)={0x11, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="1801000021000000000000004bc311ec8500000075000000850000000800000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000180)={0x11, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="1801000021000000000000004bc311ec8500000075000000850000000800000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80) program crashed: INFO: task hung in _vm_unmap_aliases validation run: crashed=true testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000180)={0x11, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="1801000021000000000000004bc311ec8500000075000000850000000800000095"], &(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 3h22m29.184551515s repro crashed as (corrupted=false): INFO: task kworker/1:27:4265 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:27 state:D stack:0 pid:4265 tgid:4265 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea42dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea42dd8c r5:83b1ec00 r4:83b1ec00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83b1ec00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea42de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858ec5c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83b1ec00 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e8201000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595838c r4:857cc880 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595838c r4:857cc880 [<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 r9:83b1ec00 r8:857cc8ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:857cc880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857cc880 r8:80278fec r7:ea2b1e60 r6:857cc600 r5:83b1ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea42dfb0 to 0xea42dff8) 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 r4:84c023c0 INFO: task kworker/1:27:4265 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/1:28:4266 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:28 state:D stack:0 pid:4266 tgid:4266 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea401d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea401d8c r5:841eec00 r4:841eec00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:841eec00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea401e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857eb3c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841eec00 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa6d000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595bf8c r4:857cc700 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595bf8c r4:857cc700 [<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 r9:841eec00 r8:857cc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:857cc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857cc700 r8:80278fec r7:ea2b1e60 r6:857cc780 r5:841eec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea401fb0 to 0xea401ff8) 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 r4:84c02200 INFO: task kworker/1:28:4266 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/1:29:4267 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:29 state:D stack:0 pid:4267 tgid:4267 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e00cdd84 r9:00000002 r8:60000113 r7:829171a0 r6:e00cdd8c r5:83b1b000 r4:83b1b000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83b1b000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e00cde08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905040 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83b1b000 r7:00000000 r6:83018600 r5:00001000 r4:7f029000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e00ff000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85984b8c r4:857cc800 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85984b8c r4:857cc800 [<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 r9:83b1b000 r8:857cc82c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:857cc800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857cc800 r8:80278fec r7:ea2b1e60 r6:8558f000 r5:83b1b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe00cdfb0 to 0xe00cdff8) 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 r4:84c02000 INFO: task kworker/1:29:4267 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:208:4987 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:208 state:D stack:0 pid:4987 tgid:4987 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea919d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea919d8c r5:859ad400 r4:859ad400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859ad400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea919e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85902040 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859ad400 r7:00000000 r6:83018400 r5:00001000 r4:7f02d000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df8f7000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85986f8c r4:858ebc00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85986f8c r4:858ebc00 [<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 r9:859ad400 r8:858ebc2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858ebc00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858ebc00 r8:80278fec r7:ea8b9e60 r6:858ebc80 r5:859ad400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea919fb0 to 0xea919ff8) 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 r4:858f9e80 INFO: task kworker/0:208:4987 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:210:4992 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:210 state:D stack:0 pid:4992 tgid:4992 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea979d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea979d8c r5:859aa400 r4:859aa400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859aa400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea979e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f3ac0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859aa400 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea901000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85986b8c r4:858ebe00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85986b8c r4:858ebe00 [<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 r9:859aa400 r8:858ebe2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858ebe00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858ebe00 r8:80278fec r7:ea919e60 r6:858ebe80 r5:859aa400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea979fb0 to 0xea979ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84c02300 INFO: task kworker/0:210:4992 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/1:173:4994 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:173 state:D stack:0 pid:4994 tgid:4994 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea921d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea921d8c r5:859abc00 r4:859abc00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859abc00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea921e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85902fc0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859abc00 r7:00000000 r6:83018600 r5:00001000 r4:7f043000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea999000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8592f78c r4:858f5b00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8592f78c r4:858f5b00 [<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 r9:859abc00 r8:858f5b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5b00 r8:80278fec r7:ea42de60 r6:858ebf00 r5:859abc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea921fb0 to 0xea921ff8) 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 r4:858f6c40 INFO: task kworker/1:173:4994 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:211:4996 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:211 state:D stack:0 pid:4996 tgid:4996 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea925d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea925d8c r5:859a9800 r4:859a9800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859a9800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea925e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85902780 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859a9800 r7:00000000 r6:83018400 r5:00001000 r4:7f033000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e00b9000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598738c r4:858ebf80 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598738c r4:858ebf80 [<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 r9:859a9800 r8:858ebfac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858ebf80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858ebf80 r8:80278fec r7:ea919e60 r6:85847000 r5:859a9800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea925fb0 to 0xea925ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858ee980 INFO: task kworker/0:211:4996 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:212:4998 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:212 state:D stack:0 pid:4998 tgid:4998 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea991d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea991d8c r5:84c28000 r4:84c28000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c28000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea991e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f6500 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c28000 r7:00000000 r6:83018400 r5:00001000 r4:7f049000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea933000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598d38c r4:85847080 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598d38c r4:85847080 [<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 r9:84c28000 r8:858470ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847080 r8:80278fec r7:ea925e60 r6:85847180 r5:84c28000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea991fb0 to 0xea991ff8) 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 r4:85902000 INFO: task kworker/0:212:4998 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:213:5001 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:213 state:D stack:0 pid:5001 tgid:5001 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea93dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea93dd8c r5:84c29800 r4:84c29800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c29800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea93de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85902f40 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c29800 r7:00000000 r6:83018400 r5:00001000 r4:7f037000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea425000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85984f8c r4:85847200 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85984f8c r4:85847200 [<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 r9:84c29800 r8:8584722c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847200 r8:80278fec r7:ea991e60 r6:85847280 r5:84c29800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:859022c0 INFO: task kworker/0:213:5001 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/1:174:5003 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:174 state:D stack:0 pid:5003 tgid:5003 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea91dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea91dd8c r5:85991800 r4:85991800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85991800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea91de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85811340 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85991800 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea9b9000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85978f8c r4:858f5b80 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85978f8c r4:858f5b80 [<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 r9:85991800 r8:858f5bac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5b80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5b80 r8:80278fec r7:ea921e60 r6:858f5c00 r5:85991800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea91dfb0 to 0xea91dff8) 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 r4:858f6c40 INFO: task kworker/1:174:5003 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:214:5005 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:214 state:D stack:0 pid:5005 tgid:5005 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea945d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea945d8c r5:85993000 r4:85993000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85993000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea945e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858050c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85993000 r7:00000000 r6:83018400 r5:00001000 r4:7f039000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6d9000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85644b8c r4:85847300 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85644b8c r4:85847300 [<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 r9:85993000 r8:8584732c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847300 r8:80278fec r7:ea991e60 r6:858f5c80 r5:85993000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea945fb0 to 0xea945ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85902ec0 INFO: task kworker/0:214:5005 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:215:5007 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:215 state:D stack:0 pid:5007 tgid:5007 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea941d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea941d8c r5:85994800 r4:85994800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85994800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea941e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858e1440 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85994800 r7:00000000 r6:83018400 r5:00001000 r4:7f03d000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea7e7000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:849ddb8c r4:85847380 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:849ddb8c r4:85847380 [<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 r9:85994800 r8:858473ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847380 r8:80278fec r7:ea991e60 r6:858f5d00 r5:85994800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea941fb0 to 0xea941ff8) 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 r4:8418b700 INFO: task kworker/0:215:5007 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:216:5010 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:216 state:D stack:0 pid:5010 tgid:5010 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea94dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea94dd8c r5:85995400 r4:85995400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85995400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea94de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f86c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85995400 r7:00000000 r6:83018400 r5:00001000 r4:7f03f000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea8ab000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8592ff8c r4:85847400 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8592ff8c r4:85847400 [<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 r9:85995400 r8:8584742c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847400 r8:80278fec r7:ea991e60 r6:858f5d80 r5:85995400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea94dfb0 to 0xea94dff8) 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 r4:858f3c00 INFO: task kworker/0:216:5010 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:217:5011 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:217 state:D stack:0 pid:5011 tgid:5011 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea951d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea951d8c r5:859a8000 r4:859a8000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859a8000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea951e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f3040 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859a8000 r7:00000000 r6:83018400 r5:00001000 r4:7f041000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea963000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8592d78c r4:85847480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8592d78c r4:85847480 [<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 r9:859a8000 r8:858474ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847480 r8:80278fec r7:ea991e60 r6:858f5e00 r5:859a8000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea951fb0 to 0xea951ff8) 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 r4:858f8cc0 INFO: task kworker/0:217:5011 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:218:5014 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:218 state:D stack:0 pid:5014 tgid:5014 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea99dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea99dd8c r5:85999800 r4:85999800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85999800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea99de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859071c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85999800 r7:00000000 r6:83018400 r5:00001000 r4:7f00b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb71000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8597a78c r4:85847500 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8597a78c r4:85847500 [<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 r9:85999800 r8:8584752c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847500 r8:80278fec r7:ea991e60 r6:858f5f00 r5:85999800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea99dfb0 to 0xea99dff8) 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 r4:8418b700 INFO: task kworker/0:218:5014 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:175:5015 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:175 state:D stack:0 pid:5015 tgid:5015 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea949d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea949d8c r5:859b0000 r4:859b0000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b0000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea949e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905dc0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859b0000 r7:00000000 r6:83018600 r5:00001000 r4:7f055000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaab5000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598538c r4:858f5f80 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8598538c r4:858f5f80 [<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 r9:859b0000 r8:858f5fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5f80 r8:80278fec r7:ea91de60 r6:858f5780 r5:859b0000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea949fb0 to 0xea949ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858f9a80 INFO: task kworker/1:175:5015 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:176:5017 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:176 state:D stack:0 pid:5017 tgid:5017 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9bdd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9bdd8c r5:859b0c00 r4:859b0c00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b0c00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9bde08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905440 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859b0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f02b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea2bf000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:849df78c r4:858f5800 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:849df78c r4:858f5800 [<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 r9:859b0c00 r8:858f582c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5800 r8:80278fec r7:ea949e60 r6:858f5880 r5:859b0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9bdfb0 to 0xea9bdff8) 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 r4:858f8cc0 INFO: task kworker/1:176:5017 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:219:5019 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:219 state:D stack:0 pid:5019 tgid:5019 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9e5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9e5d8c r5:84c2bc00 r4:84c2bc00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2bc00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9e5e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85907640 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2bc00 r7:00000000 r6:83018400 r5:00001000 r4:7f00d000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dff95000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8596f38c r4:85847580 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8596f38c r4:85847580 [<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 r9:84c2bc00 r8:858475ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847580 r8:80278fec r7:ea991e60 r6:85847600 r5:84c2bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9e5fb0 to 0xea9e5ff8) 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 r4:85907140 INFO: task kworker/0:219:5019 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:220:5022 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:220 state:D stack:0 pid:5022 tgid:5022 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea929d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea929d8c r5:84c2c800 r4:84c2c800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2c800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea929e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85907740 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2c800 r7:00000000 r6:83018400 r5:00001000 r4:7f031000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3e3000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8596db8c r4:85847680 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8596db8c r4:85847680 [<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 r9:84c2c800 r8:858476ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847680 r8:80278fec r7:ea991e60 r6:85847700 r5:84c2c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea929fb0 to 0xea929ff8) 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 r4:85907140 INFO: task kworker/0:220:5022 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:177:5025 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:177 state:D stack:0 pid:5025 tgid:5025 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea981d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea981d8c r5:859b1800 r4:859b1800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b1800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea981e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905700 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859b1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea533000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85985f8c r4:858f5900 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85985f8c r4:858f5900 [<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 r9:859b1800 r8:858f592c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5900 r8:80278fec r7:ea949e60 r6:858f5980 r5:859b1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea981fb0 to 0xea981ff8) 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 r4:85905000 INFO: task kworker/1:177:5025 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:221:5026 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:221 state:D stack:0 pid:5026 tgid:5026 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea985d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea985d8c r5:859b3000 r4:859b3000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b3000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea985e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85907b00 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859b3000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6b9000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598c38c r4:85847780 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598c38c r4:85847780 [<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 r9:859b3000 r8:858477ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847780 r8:80278fec r7:ea991e60 r6:858f5a00 r5:859b3000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea985fb0 to 0xea985ff8) 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 r4:85907940 INFO: task kworker/0:221:5026 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:222:5030 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:222 state:D stack:0 pid:5030 tgid:5030 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9e9d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea9e9d8c r5:859b4800 r4:859b4800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b4800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9e9e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8590eb80 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859b4800 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaadf000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598f38c r4:85847880 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598f38c r4:85847880 [<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 r9:859b4800 r8:858478ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847880 r8:80278fec r7:ea991e60 r6:858f5580 r5:859b4800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9e9fb0 to 0xea9e9ff8) 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 r4:85907d00 INFO: task kworker/0:222:5030 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:223:5031 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:223 state:D stack:0 pid:5031 tgid:5031 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9edd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea9edd8c r5:859b5400 r4:859b5400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b5400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9ede08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f9000 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859b5400 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa09000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598db8c r4:85847900 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598db8c r4:85847900 [<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 r9:859b5400 r8:8584792c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847900 r8:80278fec r7:ea991e60 r6:858f5300 r5:859b5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9edfb0 to 0xea9edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85907f40 INFO: task kworker/0:223:5031 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:224:5034 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:224 state:D stack:0 pid:5034 tgid:5034 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea989d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea989d8c r5:84c2d400 r4:84c2d400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2d400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea989e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c02080 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2d400 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa25000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598df8c r4:85847980 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598df8c r4:85847980 [<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 r9:84c2d400 r8:858479ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847980 r8:80278fec r7:ea9e9e60 r6:85847a00 r5:84c2d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea989fb0 to 0xea989ff8) 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 r4:858f9080 INFO: task kworker/0:224:5034 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:225:5037 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:225 state:D stack:0 pid:5037 tgid:5037 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa51d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa51d8c r5:84c2b000 r4:84c2b000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2b000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa51e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905c40 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2b000 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa4d000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598638c r4:85847a80 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598638c r4:85847a80 [<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 r9:84c2b000 r8:85847aac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847a80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847a80 r8:80278fec r7:ea9e9e60 r6:85847b00 r5:84c2b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa51fb0 to 0xeaa51ff8) 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 r4:858e3d00 INFO: task kworker/0:225:5037 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:226:5038 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:226 state:D stack:0 pid:5038 tgid:5038 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa29d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa29d8c r5:84c2e000 r4:84c2e000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2e000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa29e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f3e00 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2e000 r7:00000000 r6:83018400 r5:00001000 r4:7f051000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa6d000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598e38c r4:85847c00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598e38c r4:85847c00 [<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 r9:84c2e000 r8:85847c2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847c00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847c00 r8:80278fec r7:ea9e9e60 r6:85847c80 r5:84c2e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa29fb0 to 0xeaa29ff8) 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 r4:858fe080 INFO: task kworker/0:226:5038 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:227:5040 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:227 state:D stack:0 pid:5040 tgid:5040 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa71d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa71d8c r5:84c28c00 r4:84c28c00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c28c00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa71e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8590e640 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c28c00 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa95000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598e78c r4:85847d00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598e78c r4:85847d00 [<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 r9:84c28c00 r8:85847d2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847d00 r8:80278fec r7:ea9e9e60 r6:85847d80 r5:84c28c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa71fb0 to 0xeaa71ff8) 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 r4:858feb80 INFO: task kworker/0:227:5040 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000113 r5:60000193 r4:82252544 [<80201b08>] (show_stack) from [<8021f8b0>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8b0>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f840>] (dump_stack_lvl) from [<8021f8d4>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<8021f8bc>] (dump_stack) from [<81a4d24c>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4d0ec>] (nmi_cpu_backtrace) from [<81a4d398>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4d268>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:0001fe7c r6:00007c45 r5:82abf7d4 r4:85c30b0c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fab0>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fab0>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fab0>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f4e0>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f4e0 r7:83844000 r6:83844000 r5:832e2400 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 r4:833c8940 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 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 : [<81a6d49c>] lr : [<80a8f070>] psr: 600f0013 sp : eac71eb0 ip : eac71ec0 fp : eac71ebc r10: 82959554 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 829594b8 r5 : 00000000 r4 : 00000001 r3 : 00000aa7 r2 : 00000000 r1 : 600f0013 r0 : 84258040 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 848b5500 DAC: 00000000 Call trace: [<81a6d474>] (_raw_spin_unlock_irqrestore) from [<80a8f070>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6d474>] (_raw_spin_unlock_irqrestore) from [<80a8f070>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6d474>] (_raw_spin_unlock_irqrestore) from [<80a8f070>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f050>] (pl011_console_device_unlock) from [<802e3768>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36e0>] (nbcon_emit_one) from [<802e3988>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:841e9800 r4:829594b8 [<802e37e0>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594b8 r8:802e37e0 r7:84af9480 r6:84af9480 r5:841e9800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac71fb0 to 0xeac71ff8) 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 r4:84adfb00 final repro crashed as (corrupted=false): INFO: task kworker/1:27:4265 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:27 state:D stack:0 pid:4265 tgid:4265 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea42dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea42dd8c r5:83b1ec00 r4:83b1ec00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83b1ec00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea42de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858ec5c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83b1ec00 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e8201000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595838c r4:857cc880 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595838c r4:857cc880 [<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 r9:83b1ec00 r8:857cc8ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:857cc880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857cc880 r8:80278fec r7:ea2b1e60 r6:857cc600 r5:83b1ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea42dfb0 to 0xea42dff8) 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 r4:84c023c0 INFO: task kworker/1:27:4265 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/1:28:4266 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:28 state:D stack:0 pid:4266 tgid:4266 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea401d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea401d8c r5:841eec00 r4:841eec00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:841eec00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea401e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857eb3c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:841eec00 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa6d000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595bf8c r4:857cc700 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595bf8c r4:857cc700 [<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 r9:841eec00 r8:857cc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:857cc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857cc700 r8:80278fec r7:ea2b1e60 r6:857cc780 r5:841eec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea401fb0 to 0xea401ff8) 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 r4:84c02200 INFO: task kworker/1:28:4266 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/1:29:4267 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:29 state:D stack:0 pid:4267 tgid:4267 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e00cdd84 r9:00000002 r8:60000113 r7:829171a0 r6:e00cdd8c r5:83b1b000 r4:83b1b000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83b1b000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e00cde08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905040 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83b1b000 r7:00000000 r6:83018600 r5:00001000 r4:7f029000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e00ff000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85984b8c r4:857cc800 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85984b8c r4:857cc800 [<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 r9:83b1b000 r8:857cc82c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:857cc800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857cc800 r8:80278fec r7:ea2b1e60 r6:8558f000 r5:83b1b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe00cdfb0 to 0xe00cdff8) 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 r4:84c02000 INFO: task kworker/1:29:4267 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:208:4987 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:208 state:D stack:0 pid:4987 tgid:4987 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea919d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea919d8c r5:859ad400 r4:859ad400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859ad400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea919e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85902040 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859ad400 r7:00000000 r6:83018400 r5:00001000 r4:7f02d000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df8f7000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85986f8c r4:858ebc00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85986f8c r4:858ebc00 [<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 r9:859ad400 r8:858ebc2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858ebc00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858ebc00 r8:80278fec r7:ea8b9e60 r6:858ebc80 r5:859ad400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea919fb0 to 0xea919ff8) 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 r4:858f9e80 INFO: task kworker/0:208:4987 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:210:4992 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:210 state:D stack:0 pid:4992 tgid:4992 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea979d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea979d8c r5:859aa400 r4:859aa400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859aa400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea979e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f3ac0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859aa400 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea901000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85986b8c r4:858ebe00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85986b8c r4:858ebe00 [<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 r9:859aa400 r8:858ebe2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858ebe00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858ebe00 r8:80278fec r7:ea919e60 r6:858ebe80 r5:859aa400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea979fb0 to 0xea979ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:84c02300 INFO: task kworker/0:210:4992 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/1:173:4994 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:173 state:D stack:0 pid:4994 tgid:4994 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea921d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea921d8c r5:859abc00 r4:859abc00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859abc00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea921e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85902fc0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859abc00 r7:00000000 r6:83018600 r5:00001000 r4:7f043000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea999000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8592f78c r4:858f5b00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8592f78c r4:858f5b00 [<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 r9:859abc00 r8:858f5b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5b00 r8:80278fec r7:ea42de60 r6:858ebf00 r5:859abc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea921fb0 to 0xea921ff8) 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 r4:858f6c40 INFO: task kworker/1:173:4994 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:211:4996 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:211 state:D stack:0 pid:4996 tgid:4996 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea925d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea925d8c r5:859a9800 r4:859a9800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859a9800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea925e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85902780 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859a9800 r7:00000000 r6:83018400 r5:00001000 r4:7f033000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e00b9000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598738c r4:858ebf80 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598738c r4:858ebf80 [<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 r9:859a9800 r8:858ebfac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858ebf80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858ebf80 r8:80278fec r7:ea919e60 r6:85847000 r5:859a9800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea925fb0 to 0xea925ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858ee980 INFO: task kworker/0:211:4996 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:212:4998 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:212 state:D stack:0 pid:4998 tgid:4998 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea991d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea991d8c r5:84c28000 r4:84c28000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c28000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea991e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f6500 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c28000 r7:00000000 r6:83018400 r5:00001000 r4:7f049000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea933000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598d38c r4:85847080 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598d38c r4:85847080 [<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 r9:84c28000 r8:858470ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847080 r8:80278fec r7:ea925e60 r6:85847180 r5:84c28000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea991fb0 to 0xea991ff8) 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 r4:85902000 INFO: task kworker/0:212:4998 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/0:213:5001 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:213 state:D stack:0 pid:5001 tgid:5001 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea93dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea93dd8c r5:84c29800 r4:84c29800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c29800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea93de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85902f40 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c29800 r7:00000000 r6:83018400 r5:00001000 r4:7f037000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea425000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85984f8c r4:85847200 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85984f8c r4:85847200 [<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 r9:84c29800 r8:8584722c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847200 r8:80278fec r7:ea991e60 r6:85847280 r5:84c29800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:859022c0 INFO: task kworker/0:213:5001 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 INFO: task kworker/1:174:5003 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:174 state:D stack:0 pid:5003 tgid:5003 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea91dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea91dd8c r5:85991800 r4:85991800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85991800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea91de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85811340 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85991800 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea9b9000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85978f8c r4:858f5b80 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85978f8c r4:858f5b80 [<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 r9:85991800 r8:858f5bac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5b80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5b80 r8:80278fec r7:ea921e60 r6:858f5c00 r5:85991800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea91dfb0 to 0xea91dff8) 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 r4:858f6c40 INFO: task kworker/1:174:5003 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:214:5005 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:214 state:D stack:0 pid:5005 tgid:5005 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea945d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea945d8c r5:85993000 r4:85993000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85993000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea945e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858050c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85993000 r7:00000000 r6:83018400 r5:00001000 r4:7f039000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6d9000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85644b8c r4:85847300 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85644b8c r4:85847300 [<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 r9:85993000 r8:8584732c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847300 r8:80278fec r7:ea991e60 r6:858f5c80 r5:85993000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea945fb0 to 0xea945ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85902ec0 INFO: task kworker/0:214:5005 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:215:5007 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:215 state:D stack:0 pid:5007 tgid:5007 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea941d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea941d8c r5:85994800 r4:85994800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85994800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea941e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858e1440 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85994800 r7:00000000 r6:83018400 r5:00001000 r4:7f03d000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea7e7000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:849ddb8c r4:85847380 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:849ddb8c r4:85847380 [<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 r9:85994800 r8:858473ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847380 r8:80278fec r7:ea991e60 r6:858f5d00 r5:85994800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea941fb0 to 0xea941ff8) 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 r4:8418b700 INFO: task kworker/0:215:5007 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:216:5010 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:216 state:D stack:0 pid:5010 tgid:5010 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea94dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea94dd8c r5:85995400 r4:85995400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85995400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea94de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f86c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85995400 r7:00000000 r6:83018400 r5:00001000 r4:7f03f000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea8ab000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8592ff8c r4:85847400 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8592ff8c r4:85847400 [<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 r9:85995400 r8:8584742c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847400 r8:80278fec r7:ea991e60 r6:858f5d80 r5:85995400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea94dfb0 to 0xea94dff8) 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 r4:858f3c00 INFO: task kworker/0:216:5010 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:217:5011 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:217 state:D stack:0 pid:5011 tgid:5011 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea951d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea951d8c r5:859a8000 r4:859a8000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859a8000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea951e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f3040 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859a8000 r7:00000000 r6:83018400 r5:00001000 r4:7f041000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea963000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8592d78c r4:85847480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8592d78c r4:85847480 [<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 r9:859a8000 r8:858474ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847480 r8:80278fec r7:ea991e60 r6:858f5e00 r5:859a8000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea951fb0 to 0xea951ff8) 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 r4:858f8cc0 INFO: task kworker/0:217:5011 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:218:5014 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:218 state:D stack:0 pid:5014 tgid:5014 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea99dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea99dd8c r5:85999800 r4:85999800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85999800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea99de08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859071c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85999800 r7:00000000 r6:83018400 r5:00001000 r4:7f00b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb71000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8597a78c r4:85847500 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8597a78c r4:85847500 [<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 r9:85999800 r8:8584752c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847500 r8:80278fec r7:ea991e60 r6:858f5f00 r5:85999800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea99dfb0 to 0xea99dff8) 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 r4:8418b700 INFO: task kworker/0:218:5014 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:175:5015 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:175 state:D stack:0 pid:5015 tgid:5015 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea949d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea949d8c r5:859b0000 r4:859b0000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b0000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea949e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905dc0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859b0000 r7:00000000 r6:83018600 r5:00001000 r4:7f055000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaab5000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598538c r4:858f5f80 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8598538c r4:858f5f80 [<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 r9:859b0000 r8:858f5fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5f80 r8:80278fec r7:ea91de60 r6:858f5780 r5:859b0000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea949fb0 to 0xea949ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858f9a80 INFO: task kworker/1:175:5015 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:176:5017 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:176 state:D stack:0 pid:5017 tgid:5017 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9bdd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9bdd8c r5:859b0c00 r4:859b0c00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b0c00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9bde08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905440 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859b0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f02b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea2bf000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:849df78c r4:858f5800 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:849df78c r4:858f5800 [<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 r9:859b0c00 r8:858f582c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5800 r8:80278fec r7:ea949e60 r6:858f5880 r5:859b0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9bdfb0 to 0xea9bdff8) 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 r4:858f8cc0 INFO: task kworker/1:176:5017 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:219:5019 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:219 state:D stack:0 pid:5019 tgid:5019 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9e5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9e5d8c r5:84c2bc00 r4:84c2bc00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2bc00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9e5e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85907640 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2bc00 r7:00000000 r6:83018400 r5:00001000 r4:7f00d000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dff95000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8596f38c r4:85847580 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8596f38c r4:85847580 [<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 r9:84c2bc00 r8:858475ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847580 r8:80278fec r7:ea991e60 r6:85847600 r5:84c2bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9e5fb0 to 0xea9e5ff8) 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 r4:85907140 INFO: task kworker/0:219:5019 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:220:5022 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:220 state:D stack:0 pid:5022 tgid:5022 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea929d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea929d8c r5:84c2c800 r4:84c2c800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2c800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea929e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85907740 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2c800 r7:00000000 r6:83018400 r5:00001000 r4:7f031000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3e3000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8596db8c r4:85847680 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8596db8c r4:85847680 [<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 r9:84c2c800 r8:858476ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847680 r8:80278fec r7:ea991e60 r6:85847700 r5:84c2c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea929fb0 to 0xea929ff8) 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 r4:85907140 INFO: task kworker/0:220:5022 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:177:5025 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:177 state:D stack:0 pid:5025 tgid:5025 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea981d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea981d8c r5:859b1800 r4:859b1800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b1800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea981e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905700 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859b1800 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea533000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85985f8c r4:858f5900 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85985f8c r4:858f5900 [<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 r9:859b1800 r8:858f592c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:858f5900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858f5900 r8:80278fec r7:ea949e60 r6:858f5980 r5:859b1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea981fb0 to 0xea981ff8) 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 r4:85905000 INFO: task kworker/1:177:5025 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:221:5026 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:221 state:D stack:0 pid:5026 tgid:5026 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea985d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea985d8c r5:859b3000 r4:859b3000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b3000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea985e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85907b00 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859b3000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6b9000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598c38c r4:85847780 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598c38c r4:85847780 [<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 r9:859b3000 r8:858477ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847780 r8:80278fec r7:ea991e60 r6:858f5a00 r5:859b3000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea985fb0 to 0xea985ff8) 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 r4:85907940 INFO: task kworker/0:221:5026 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:222:5030 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:222 state:D stack:0 pid:5030 tgid:5030 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9e9d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea9e9d8c r5:859b4800 r4:859b4800 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b4800 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9e9e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8590eb80 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859b4800 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaadf000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598f38c r4:85847880 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598f38c r4:85847880 [<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 r9:859b4800 r8:858478ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847880 r8:80278fec r7:ea991e60 r6:858f5580 r5:859b4800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9e9fb0 to 0xea9e9ff8) 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 r4:85907d00 INFO: task kworker/0:222:5030 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:223:5031 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:223 state:D stack:0 pid:5031 tgid:5031 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9edd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea9edd8c r5:859b5400 r4:859b5400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859b5400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9ede08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f9000 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859b5400 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa09000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598db8c r4:85847900 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598db8c r4:85847900 [<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 r9:859b5400 r8:8584792c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847900 r8:80278fec r7:ea991e60 r6:858f5300 r5:859b5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9edfb0 to 0xea9edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85907f40 INFO: task kworker/0:223:5031 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:224:5034 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:224 state:D stack:0 pid:5034 tgid:5034 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea989d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea989d8c r5:84c2d400 r4:84c2d400 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2d400 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea989e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c02080 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2d400 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa25000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598df8c r4:85847980 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598df8c r4:85847980 [<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 r9:84c2d400 r8:858479ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847980 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847980 r8:80278fec r7:ea9e9e60 r6:85847a00 r5:84c2d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea989fb0 to 0xea989ff8) 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 r4:858f9080 INFO: task kworker/0:224:5034 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:225:5037 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:225 state:D stack:0 pid:5037 tgid:5037 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa51d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa51d8c r5:84c2b000 r4:84c2b000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2b000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa51e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85905c40 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2b000 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa4d000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598638c r4:85847a80 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598638c r4:85847a80 [<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 r9:84c2b000 r8:85847aac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847a80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847a80 r8:80278fec r7:ea9e9e60 r6:85847b00 r5:84c2b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa51fb0 to 0xeaa51ff8) 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 r4:858e3d00 INFO: task kworker/0:225:5037 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:226:5038 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:226 state:D stack:0 pid:5038 tgid:5038 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa29d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa29d8c r5:84c2e000 r4:84c2e000 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c2e000 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa29e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f3e00 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c2e000 r7:00000000 r6:83018400 r5:00001000 r4:7f051000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa6d000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598e38c r4:85847c00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598e38c r4:85847c00 [<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 r9:84c2e000 r8:85847c2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847c00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847c00 r8:80278fec r7:ea9e9e60 r6:85847c80 r5:84c2e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa29fb0 to 0xeaa29ff8) 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 r4:858fe080 INFO: task kworker/0:226:5038 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:227:5040 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:227 state:D stack:0 pid:5040 tgid:5040 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a645c8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63634>] (__schedule) from [<81a645c8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa71d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa71d8c r5:84c28c00 r4:84c28c00 [<81a6459c>] (schedule) from [<81a649b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84c28c00 r4:8291719c [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64998>] (schedule_preempt_disabled) from [<81a67560>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a67210>] (__mutex_lock.constprop.0) from [<81a67d08>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa71e08 r4:00000000 [<81a67cf4>] (__mutex_lock_slowpath) from [<81a67d48>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67d0c>] (mutex_lock) from [<804e9f5c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8590e640 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84c28c00 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa95000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8598e78c r4:85847d00 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598e78c r4:85847d00 [<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 r9:84c28c00 r8:85847d2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85847d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85847d00 r8:80278fec r7:ea9e9e60 r6:85847d80 r5:84c28c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa71fb0 to 0xeaa71ff8) 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 r4:858feb80 INFO: task kworker/0:227:5040 is blocked on a mutex likely owned by task kworker/1:22:4241. task:kworker/1:22 state:R running task stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63634>] (__schedule) from [<81a649fc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:832e3c00 r8:80200c04 r7:ea289d54 r6:ffffffff r5:832e3c00 r4:00000000 [<81a649bc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea289d20 to 0xea289d68) 9d20: c8038000 ebb7b000 00000001 80239bf8 7f02f000 00000001 82acb1c4 82aca5a0 9d40: 7f02f000 ebb7b000 8280c9b4 ea289d9c ea289da0 ea289d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9d20>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9a9c>] (__purge_vmap_area_lazy) from [<804ea0d8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea289dc0 r5:ea289e08 r4:ea289dc0 [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9ef4>] (_vm_unmap_aliases) from [<804edd3c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f65c0 r4:00000000 [<804edbd0>] (vfree) from [<80558a28>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:832e3c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<805589f8>] (execmem_free) from [<803c5f48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c1000 [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5f38>] (bpf_jit_free_exec) from [<803c6328>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c62c0>] (bpf_jit_free) from [<803c73d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8595ab8c r4:856b2480 [<803c7290>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8595ab8c r4:856b2480 [<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 r9:832e3c00 r8:856b24ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b2480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b2480 r8:80278fec r7:e41bde60 r6:856b2900 r5:832e3c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea289fb0 to 0xea289ff8) 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 r4:8418b740 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000113 r5:60000193 r4:82252544 [<80201b08>] (show_stack) from [<8021f8b0>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8b0>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f840>] (dump_stack_lvl) from [<8021f8d4>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<8021f8bc>] (dump_stack) from [<81a4d24c>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4d0ec>] (nmi_cpu_backtrace) from [<81a4d398>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4d268>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:0001fe7c r6:00007c45 r5:82abf7d4 r4:85c30b0c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fab0>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fab0>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fab0>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f4e0>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f4e0 r7:83844000 r6:83844000 r5:832e2400 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 r4:833c8940 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 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 : [<81a6d49c>] lr : [<80a8f070>] psr: 600f0013 sp : eac71eb0 ip : eac71ec0 fp : eac71ebc r10: 82959554 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 829594b8 r5 : 00000000 r4 : 00000001 r3 : 00000aa7 r2 : 00000000 r1 : 600f0013 r0 : 84258040 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 848b5500 DAC: 00000000 Call trace: [<81a6d474>] (_raw_spin_unlock_irqrestore) from [<80a8f070>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6d474>] (_raw_spin_unlock_irqrestore) from [<80a8f070>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6d474>] (_raw_spin_unlock_irqrestore) from [<80a8f070>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f050>] (pl011_console_device_unlock) from [<802e3768>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36e0>] (nbcon_emit_one) from [<802e3988>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:841e9800 r4:829594b8 [<802e37e0>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594b8 r8:802e37e0 r7:84af9480 r6:84af9480 r5:841e9800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac71fb0 to 0xeac71ff8) 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 r4:84adfb00