Extracting prog: 18m59.167010047s
Minimizing prog: 1h18m17.758715266s
Simplifying prog options: 29m8.340817781s
Extracting C: 1m56.539919961s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 45s
testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_LINK_CREATE_XDP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)
bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000500)={r0, 0x0, 0x2d, 0x0, @val=@netfilter={0xa, 0x4, 0x600, 0x1}}, 0x20)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 5m0s
testing program (duration=5m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_LINK_CREATE_XDP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)
bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000500)={r0, 0x0, 0x2d, 0x0, @val=@netfilter={0xa, 0x4, 0x600, 0x1}}, 0x20)

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$PROG_LOAD-bpf$BPF_LINK_CREATE_XDP
detailed listing:
executing program 0:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)
bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000500)={r0, 0x0, 0x2d, 0x0, @val=@netfilter={0xa, 0x4, 0x600, 0x1}}, 0x20)

program crashed: INFO: task hung in _vm_unmap_aliases
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$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)

program crashed: INFO: task hung in _vm_unmap_aliases
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, 0x0, &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 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$PROG_LOAD
program did not crash
simplifying guilty program options
testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)

program crashed: INFO: task hung in _vm_unmap_aliases
extracting C reproducer
testing compiled C program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
program did not crash
testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)

program did not crash
testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)

program crashed: INFO: task hung in _vm_unmap_aliases
validation run: crashed=true
testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)

program crashed: INFO: task hung in _vm_unmap_aliases
validation run: crashed=true
testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x20, 0x3, &(0x7f00000002c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @netfilter=0x2d, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x99ee}, 0x94)

program crashed: INFO: task hung in _vm_unmap_aliases
validation run: crashed=true
reproducing took 2h39m41.2003575s
repro crashed as (corrupted=false):
INFO: task kworker/0:33:4522 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:33    state:D stack:0     pid:4522  tgid:4522  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfd0dda4 r9:dfd0ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:849a3d40
 r4:849a3d40
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:849a3d40 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd0de28
 r4:86a2df80
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a2df80
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a3d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:df8dd000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fab98 r4:867fab98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fab98 r4:869cf080
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:869cf0b0 r8:849a3d40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869cf080
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfbfde88 r8:869cf200 r7:869cf080 r6:80277df8 r5:849a3d40
 r4:868f7e00
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd0dfb0 to 0xdfd0dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f7e00
INFO: task kworker/0:33:4522 is blocked on a mutex likely owned by task kworker/0:1025:9261.
task:kworker/0:1025  state:R  running task     stack:0     pid:9261  tgid:9261  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:87850c40 r8:80200c04 r7:ed8ddd7c r6:ffffffff r5:87850c40
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xed8ddd48 to 0xed8ddd90)
dd40:                   e37a9000 e4383000 00000000 80239770 82cd91a0 82cd9de4
dd60: 7f05b000 e4383000 00000000 00000001 82a0b498 ed8dddbc e4383000 ed8ddd98
dd80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:ed8ddde0 r8:00000000 r7:ffffffff r6:00000008 r5:ed8dde28
 r4:ed8ddde0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:877c9600
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:87850c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ed917000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:878b5398 r4:878b5398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:878b5398 r4:877c7880
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:877c78b0 r8:87850c40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:877c7880
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ed8fde88 r8:877c6280 r7:877c7880 r6:80277df8 r5:87850c40
 r4:877baac0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xed8ddfb0 to 0xed8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:877baac0
INFO: task kworker/1:56:4567 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:56    state:D stack:0     pid:4567  tgid:4567  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e02b9da4 r9:e02b9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a0a4c0
 r4:86a0a4c0
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a0a4c0 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e02b9e28
 r4:86a30e40
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a30e40
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a0a4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f077000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea64f000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61398 r4:86a61398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61398 r4:86a34580
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:86a345b0 r8:86a0a4c0 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:86a34580
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0225e88 r8:86a34500 r7:86a34580 r6:80277df8 r5:86a0a4c0
 r4:86a35980
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe02b9fb0 to 0xe02b9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a35980
INFO: task kworker/1:56:4567 is blocked on a mutex likely owned by task kworker/0:1025:9261.
task:kworker/0:1025  state:R  running task     stack:0     pid:9261  tgid:9261  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:87850c40 r8:80200c04 r7:ed8ddd7c r6:ffffffff r5:87850c40
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xed8ddd48 to 0xed8ddd90)
dd40:                   e37a9000 e4383000 00000000 80239770 82cd91a0 82cd9de4
dd60: 7f05b000 e4383000 00000000 00000001 82a0b498 ed8dddbc e4383000 ed8ddd98
dd80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:ed8ddde0 r8:00000000 r7:ffffffff r6:00000008 r5:ed8dde28
 r4:ed8ddde0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:877c9600
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:87850c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ed917000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:878b5398 r4:878b5398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:878b5398 r4:877c7880
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:877c78b0 r8:87850c40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:877c7880
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ed8fde88 r8:877c6280 r7:877c7880 r6:80277df8 r5:87850c40
 r4:877baac0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xed8ddfb0 to 0xed8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:877baac0
INFO: task kworker/0:42:4572 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:42    state:D stack:0     pid:4572  tgid:4572  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e43a9da4 r9:e43a9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a06e40
 r4:86a06e40
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a06e40 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e43a9e28
 r4:86a29f80
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a29f80
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a06e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06f000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43ef000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fbf98 r4:867fbf98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fbf98 r4:869ca600
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:869ca630 r8:86a06e40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869ca600
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:86a34100 r7:869ca600 r6:80277df8 r5:86a06e40
 r4:86a36840
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe43a9fb0 to 0xe43a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a36840
INFO: task kworker/0:42:4572 is blocked on a mutex likely owned by task kworker/0:1025:9261.
task:kworker/0:1025  state:R  running task     stack:0     pid:9261  tgid:9261  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:87850c40 r8:80200c04 r7:ed8ddd7c r6:ffffffff r5:87850c40
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xed8ddd48 to 0xed8ddd90)
dd40:                   e42ea000 e4383000 00000000 80239770 82cd91a0 82cd9de4
dd60: 7f05b000 e4383000 00000000 00000001 82a0b498 ed8dddbc e4383000 ed8ddd98
dd80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:ed8ddde0 r8:00000000 r7:ffffffff r6:00000008 r5:ed8dde28
 r4:ed8ddde0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:877c9600
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:87850c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ed917000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:878b5398 r4:878b5398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:878b5398 r4:877c7880
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:877c78b0 r8:87850c40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:877c7880
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ed8fde88 r8:877c6280 r7:877c7880 r6:80277df8 r5:87850c40
 r4:877baac0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xed8ddfb0 to 0xed8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:877baac0
INFO: task kworker/0:43:4573 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:43    state:D stack:0     pid:4573  tgid:4573  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e026dda4 r9:e026ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:83fd8000
 r4:83fd8000
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:83fd8000 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e026de28
 r4:86a35240
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35240
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83fd8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f073000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e844d000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fbb98 r4:867fbb98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fbb98 r4:869c9600
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c9630 r8:83fd8000 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9600
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e43a9e88 r8:869c9580 r7:869c9600 r6:80277df8 r5:83fd8000
 r4:86a35680
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe026dfb0 to 0xe026dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a35680
INFO: task kworker/0:43:4573 is blocked on a mutex likely owned by task kworker/0:1025:9261.
task:kworker/0:1025  state:R  running task     stack:0     pid:9261  tgid:9261  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:87850c40 r8:80200c04 r7:ed8ddd7c r6:ffffffff r5:87850c40
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xed8ddd48 to 0xed8ddd90)
dd40:                   e42ea000 e4383000 00000000 80239770 82cd91a0 82cd9de4
dd60: 7f05b000 e4383000 00000000 00000001 82a0b498 ed8dddbc e4383000 ed8ddd98
dd80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:ed8ddde0 r8:00000000 r7:ffffffff r6:00000008 r5:ed8dde28
 r4:ed8ddde0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:877c9600
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:87850c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ed917000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:878b5398 r4:878b5398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:878b5398 r4:877c7880
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:877c78b0 r8:87850c40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:877c7880
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ed8fde88 r8:877c6280 r7:877c7880 r6:80277df8 r5:87850c40
 r4:877baac0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xed8ddfb0 to 0xed8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:877baac0
INFO: task kworker/1:58:4576 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:58    state:D stack:0     pid:4576  tgid:4576  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e0331da4 r9:e0331dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a09880
 r4:86a09880
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a09880 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0331e28
 r4:86a35080
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35080
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a09880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f071000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e843d000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61798 r4:86a61798
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61798 r4:86a34400
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:86a34430 r8:86a09880 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:86a34400
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e02b9e88 r8:86a34000 r7:86a34400 r6:80277df8 r5:86a09880
 r4:86a355c0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0331fb0 to 0xe0331ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a355c0
INFO: task kworker/1:58:4576 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
INFO: task kworker/0:44:4580 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:44    state:D stack:0     pid:4580  tgid:4580  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e8419da4 r9:e8419dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84e44980
 r4:84e44980
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:84e44980 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8419e28
 r4:86a2e0c0
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a2e0c0
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84e44980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f075000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea647000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fb798 r4:867fb798
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fb798 r4:869c9300
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c9330 r8:84e44980 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9300
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:869c9680 r7:869c9300 r6:80277df8 r5:84e44980
 r4:86a1e600
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe8419fb0 to 0xe8419ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a1e600
INFO: task kworker/0:44:4580 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
INFO: task kworker/0:45:4583 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:45    state:D stack:0     pid:4583  tgid:4583  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea641da4 r9:ea641dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84e455c0
 r4:84e455c0
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:84e455c0 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea641e28
 r4:86a36540
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a36540
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84e455c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f079000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea67b000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fb398 r4:867fb398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fb398 r4:869c9380
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c93b0 r8:84e455c0 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9380
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:86a34600 r7:869c9380 r6:80277df8 r5:84e455c0
 r4:86a36600
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea641fb0 to 0xea641ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a36600
INFO: task kworker/0:45:4583 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
INFO: task kworker/0:46:4586 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:46    state:D stack:0     pid:4586  tgid:4586  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea695da4 r9:ea695dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a06200
 r4:86a06200
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a06200 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea695e28
 r4:86a36400
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a36400
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a06200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea6af000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867faf98 r4:867faf98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867faf98 r4:869c9280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c92b0 r8:86a06200 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:86a32e80 r7:869c9280 r6:80277df8 r5:86a06200
 r4:86a366c0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea695fb0 to 0xea695ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a366c0
INFO: task kworker/0:46:4586 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
INFO: task kworker/0:47:4589 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:47    state:D stack:0     pid:4589  tgid:4589  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea6c9da4 r9:ea6c9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a03100
 r4:86a03100
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a03100 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6c9e28
 r4:86a36200
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a36200
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a03100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f08b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea6bd000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:8692df98 r4:8692df98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:8692df98 r4:869c9200
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c9230 r8:86a03100 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9200
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:86a32980 r7:869c9200 r6:80277df8 r5:86a03100
 r4:86a36580
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6c9fb0 to 0xea6c9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a36580
INFO: task kworker/0:47:4589 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:60000193 r6:60000193 r5:82336570 r4:00000000
[<80201a74>] (show_stack) from [<8021ec68>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201a74>] (show_stack) from [<8021ec68>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021ec0c>] (dump_stack_lvl) from [<8021ec94>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:00000000 r6:00000113 r5:00000000 r4:00000001
[<8021ec7c>] (dump_stack) from [<81b5aefc>] (nmi_cpu_backtrace+0x150/0x170 lib/nmi_backtrace.c:122)
[<81b5adac>] (nmi_cpu_backtrace) from [<81b5b050>] (nmi_trigger_cpumask_backtrace+0x134/0x208 lib/nmi_backtrace.c:65)
 r7:82a0b150 r6:83320c40 r5:82a1c7b8 r4:ffffffff
[<81b5af1c>] (nmi_trigger_cpumask_backtrace) from [<802300d4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:82a0b2f0 r8:00000009 r7:82a1ce80 r6:82ccce2c r5:00007743 r4:00000048
[<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline])
[<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (__sys_info lib/sys_info.c:157 [inline])
[<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (sys_info+0x68/0xa8 lib/sys_info.c:165)
[<81b62b24>] (sys_info) from [<80390a60>] (check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline])
[<81b62b24>] (sys_info) from [<80390a60>] (watchdog+0x3a0/0x848 kernel/hung_task.c:561)
 r5:00007743 r4:0000000a
[<803906c0>] (watchdog) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df819e60 r8:831d5600 r7:00000000 r6:803906c0 r5:83320c40
 r4:833dd080
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8d5fb0 to 0xdf8d5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:833dd080
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2825 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:198
LR is at spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:618 [inline]
LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2720
pc : [<81b7c1f4>]    lr : [<80b0d95c>]    psr: 60000113
sp : eb155ec8  ip : eb155ed8  fp : eb155ed4
r10: 82b5e31c  r9 : 00000001  r8 : 00000000
r7 : 00000117  r6 : 82b5e280  r5 : 00000000  r4 : 00000001
r3 : 00000877  r2 : 00000000  r1 : 60000113  r0 : 84920c40
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 8794f580  DAC: 00000000
Call trace: 
[<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (spin_unlock_irqrestore include/linux/spinlock.h:408 [inline])
[<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:618 [inline])
[<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2720)
[<80b0d93c>] (pl011_console_device_unlock) from [<802ed2c8>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1165)
[<802ed240>] (nbcon_emit_one) from [<802ed548>] (nbcon_kthread_func+0x208/0x2ec kernel/printk/nbcon.c:1271)
 r6:82cc92ec r5:82b5e280 r4:83989880
[<802ed340>] (nbcon_kthread_func) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:eaf11b38 r8:84813580 r7:82b5e280 r6:802ed340 r5:83989880
 r4:838c2100
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb155fb0 to 0xeb155ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:838c2100

final repro crashed as (corrupted=false):
INFO: task kworker/0:33:4522 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:33    state:D stack:0     pid:4522  tgid:4522  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfd0dda4 r9:dfd0ddac r8:00000002 r7:60000013 r6:82cd9e0c r5:849a3d40
 r4:849a3d40
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:849a3d40 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd0de28
 r4:86a2df80
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a2df80
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a3d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f00f000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:df8dd000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fab98 r4:867fab98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fab98 r4:869cf080
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:869cf0b0 r8:849a3d40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869cf080
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfbfde88 r8:869cf200 r7:869cf080 r6:80277df8 r5:849a3d40
 r4:868f7e00
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd0dfb0 to 0xdfd0dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:868f7e00
INFO: task kworker/0:33:4522 is blocked on a mutex likely owned by task kworker/0:1025:9261.
task:kworker/0:1025  state:R  running task     stack:0     pid:9261  tgid:9261  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:87850c40 r8:80200c04 r7:ed8ddd7c r6:ffffffff r5:87850c40
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xed8ddd48 to 0xed8ddd90)
dd40:                   e37a9000 e4383000 00000000 80239770 82cd91a0 82cd9de4
dd60: 7f05b000 e4383000 00000000 00000001 82a0b498 ed8dddbc e4383000 ed8ddd98
dd80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:ed8ddde0 r8:00000000 r7:ffffffff r6:00000008 r5:ed8dde28
 r4:ed8ddde0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:877c9600
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:87850c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ed917000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:878b5398 r4:878b5398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:878b5398 r4:877c7880
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:877c78b0 r8:87850c40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:877c7880
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ed8fde88 r8:877c6280 r7:877c7880 r6:80277df8 r5:87850c40
 r4:877baac0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xed8ddfb0 to 0xed8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:877baac0
INFO: task kworker/1:56:4567 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:56    state:D stack:0     pid:4567  tgid:4567  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e02b9da4 r9:e02b9dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a0a4c0
 r4:86a0a4c0
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a0a4c0 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e02b9e28
 r4:86a30e40
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a30e40
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a0a4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f077000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea64f000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61398 r4:86a61398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61398 r4:86a34580
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:86a345b0 r8:86a0a4c0 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:86a34580
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0225e88 r8:86a34500 r7:86a34580 r6:80277df8 r5:86a0a4c0
 r4:86a35980
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe02b9fb0 to 0xe02b9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a35980
INFO: task kworker/1:56:4567 is blocked on a mutex likely owned by task kworker/0:1025:9261.
task:kworker/0:1025  state:R  running task     stack:0     pid:9261  tgid:9261  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:87850c40 r8:80200c04 r7:ed8ddd7c r6:ffffffff r5:87850c40
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xed8ddd48 to 0xed8ddd90)
dd40:                   e37a9000 e4383000 00000000 80239770 82cd91a0 82cd9de4
dd60: 7f05b000 e4383000 00000000 00000001 82a0b498 ed8dddbc e4383000 ed8ddd98
dd80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:ed8ddde0 r8:00000000 r7:ffffffff r6:00000008 r5:ed8dde28
 r4:ed8ddde0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:877c9600
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:87850c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ed917000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:878b5398 r4:878b5398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:878b5398 r4:877c7880
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:877c78b0 r8:87850c40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:877c7880
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ed8fde88 r8:877c6280 r7:877c7880 r6:80277df8 r5:87850c40
 r4:877baac0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xed8ddfb0 to 0xed8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:877baac0
INFO: task kworker/0:42:4572 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:42    state:D stack:0     pid:4572  tgid:4572  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e43a9da4 r9:e43a9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a06e40
 r4:86a06e40
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a06e40 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e43a9e28
 r4:86a29f80
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a29f80
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a06e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f06f000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43ef000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fbf98 r4:867fbf98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fbf98 r4:869ca600
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:869ca630 r8:86a06e40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869ca600
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:86a34100 r7:869ca600 r6:80277df8 r5:86a06e40
 r4:86a36840
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe43a9fb0 to 0xe43a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a36840
INFO: task kworker/0:42:4572 is blocked on a mutex likely owned by task kworker/0:1025:9261.
task:kworker/0:1025  state:R  running task     stack:0     pid:9261  tgid:9261  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:87850c40 r8:80200c04 r7:ed8ddd7c r6:ffffffff r5:87850c40
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xed8ddd48 to 0xed8ddd90)
dd40:                   e42ea000 e4383000 00000000 80239770 82cd91a0 82cd9de4
dd60: 7f05b000 e4383000 00000000 00000001 82a0b498 ed8dddbc e4383000 ed8ddd98
dd80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:ed8ddde0 r8:00000000 r7:ffffffff r6:00000008 r5:ed8dde28
 r4:ed8ddde0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:877c9600
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:87850c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ed917000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:878b5398 r4:878b5398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:878b5398 r4:877c7880
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:877c78b0 r8:87850c40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:877c7880
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ed8fde88 r8:877c6280 r7:877c7880 r6:80277df8 r5:87850c40
 r4:877baac0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xed8ddfb0 to 0xed8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:877baac0
INFO: task kworker/0:43:4573 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:43    state:D stack:0     pid:4573  tgid:4573  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e026dda4 r9:e026ddac r8:00000002 r7:60000113 r6:82cd9e0c r5:83fd8000
 r4:83fd8000
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:83fd8000 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e026de28
 r4:86a35240
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35240
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83fd8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f073000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e844d000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fbb98 r4:867fbb98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fbb98 r4:869c9600
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c9630 r8:83fd8000 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9600
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e43a9e88 r8:869c9580 r7:869c9600 r6:80277df8 r5:83fd8000
 r4:86a35680
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe026dfb0 to 0xe026dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a35680
INFO: task kworker/0:43:4573 is blocked on a mutex likely owned by task kworker/0:1025:9261.
task:kworker/0:1025  state:R  running task     stack:0     pid:9261  tgid:9261  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:87850c40 r8:80200c04 r7:ed8ddd7c r6:ffffffff r5:87850c40
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xed8ddd48 to 0xed8ddd90)
dd40:                   e42ea000 e4383000 00000000 80239770 82cd91a0 82cd9de4
dd60: 7f05b000 e4383000 00000000 00000001 82a0b498 ed8dddbc e4383000 ed8ddd98
dd80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:ed8ddde0 r8:00000000 r7:ffffffff r6:00000008 r5:ed8dde28
 r4:ed8ddde0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:877c9600
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:87850c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f05b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ed917000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:878b5398 r4:878b5398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:878b5398 r4:877c7880
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd1000 r9:877c78b0 r8:87850c40 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:877c7880
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ed8fde88 r8:877c6280 r7:877c7880 r6:80277df8 r5:87850c40
 r4:877baac0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xed8ddfb0 to 0xed8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:877baac0
INFO: task kworker/1:58:4576 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:58    state:D stack:0     pid:4576  tgid:4576  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e0331da4 r9:e0331dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a09880
 r4:86a09880
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a09880 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0331e28
 r4:86a35080
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35080
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a09880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f071000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e843d000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61798 r4:86a61798
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61798 r4:86a34400
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:86a34430 r8:86a09880 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:86a34400
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e02b9e88 r8:86a34000 r7:86a34400 r6:80277df8 r5:86a09880
 r4:86a355c0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0331fb0 to 0xe0331ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a355c0
INFO: task kworker/1:58:4576 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
INFO: task kworker/0:44:4580 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:44    state:D stack:0     pid:4580  tgid:4580  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e8419da4 r9:e8419dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84e44980
 r4:84e44980
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:84e44980 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8419e28
 r4:86a2e0c0
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a2e0c0
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84e44980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f075000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea647000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fb798 r4:867fb798
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fb798 r4:869c9300
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c9330 r8:84e44980 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9300
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:869c9680 r7:869c9300 r6:80277df8 r5:84e44980
 r4:86a1e600
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe8419fb0 to 0xe8419ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a1e600
INFO: task kworker/0:44:4580 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
INFO: task kworker/0:45:4583 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:45    state:D stack:0     pid:4583  tgid:4583  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea641da4 r9:ea641dac r8:00000002 r7:60000013 r6:82cd9e0c r5:84e455c0
 r4:84e455c0
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:84e455c0 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea641e28
 r4:86a36540
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a36540
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84e455c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f079000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea67b000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867fb398 r4:867fb398
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867fb398 r4:869c9380
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c93b0 r8:84e455c0 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9380
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:86a34600 r7:869c9380 r6:80277df8 r5:84e455c0
 r4:86a36600
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea641fb0 to 0xea641ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a36600
INFO: task kworker/0:45:4583 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
INFO: task kworker/0:46:4586 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:46    state:D stack:0     pid:4586  tgid:4586  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea695da4 r9:ea695dac r8:00000002 r7:60000013 r6:82cd9e0c r5:86a06200
 r4:86a06200
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a06200 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea695e28
 r4:86a36400
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a36400
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a06200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f07b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea6af000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:867faf98 r4:867faf98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:867faf98 r4:869c9280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c92b0 r8:86a06200 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:86a32e80 r7:869c9280 r6:80277df8 r5:86a06200
 r4:86a366c0
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea695fb0 to 0xea695ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a366c0
INFO: task kworker/0:46:4586 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
INFO: task kworker/0:47:4589 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:47    state:D stack:0     pid:4589  tgid:4589  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b72d2c>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b71894>] (__schedule) from [<81b72d2c>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea6c9da4 r9:ea6c9dac r8:00000002 r7:60000113 r6:82cd9e0c r5:86a03100
 r4:86a03100
[<81b72d00>] (schedule) from [<81b72e70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:86a03100 r4:82cd9e08
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b72e58>] (schedule_preempt_disabled) from [<81b75fe8>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b75adc>] (__mutex_lock.constprop.0) from [<81b765f8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6c9e28
 r4:86a36200
[<81b765e4>] (__mutex_lock_slowpath) from [<81b76638>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b765fc>] (mutex_lock) from [<8051fc48>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2973)
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a36200
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:86a03100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f08b000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:ea6bd000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:8692df98 r4:8692df98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd1000 r6:8302b000 r5:8692df98 r4:869c9200
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:869c9230 r8:86a03100 r7:82a03d80 r6:dddd1020 r5:dddd1000
 r4:869c9200
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd0de88 r8:86a32980 r7:869c9200 r6:80277df8 r5:86a03100
 r4:86a36580
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6c9fb0 to 0xea6c9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:86a36580
INFO: task kworker/0:47:4589 is blocked on a mutex likely owned by task kworker/1:54:4559.
task:kworker/1:54    state:R  running task     stack:0     pid:4559  tgid:4559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b71894>] (__schedule) from [<81b7311c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:849a6200 r8:80200c04 r7:e0225d7c r6:ffffffff r5:849a6200
 r4:00000000
[<81b730dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xe0225d48 to 0xe0225d90)
5d40:                   e002f000 ed9a1000 00000000 80239770 82cd91a0 82cd9de4
5d60: dfc51000 ed9a1000 00000000 00000001 82a0b498 e0225dbc ed9a1000 e0225d98
5d80: 802306b0 80239788 80000113 ffffffff
 r5:80000113 r4:80239788
[<80230650>] (flush_tlb_kernel_range) from [<8051f9fc>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2398)
[<8051f770>] (__purge_vmap_area_lazy) from [<8051fdd4>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:3012)
 r10:00000000 r9:e0225de0 r8:00000000 r7:ffffffff r6:00000008 r5:e0225e28
 r4:e0225de0
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vm_reset_perms mm/vmalloc.c:3404 [inline])
[<8051fbec>] (_vm_unmap_aliases) from [<805239d8>] (vfree+0x110/0x17c mm/vmalloc.c:3508)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:86a35340
[<805238c8>] (vfree) from [<8059a6e8>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:849a6200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f06d000
[<8059a6b8>] (execmem_free) from [<803dda98>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:e43e3000
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dda88>] (bpf_jit_free_exec) from [<803ddf88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803ddf24>] (bpf_jit_free) from [<803df060>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86a61b98 r4:86a61b98
[<803def18>] (bpf_prog_free_deferred) from [<802772b8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:ddde5000 r6:8302ae00 r5:86a61b98 r4:869ca280
[<802770f0>] (process_one_work) from [<80277f64>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<802770f0>] (process_one_work) from [<80277f64>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:ddde5000 r9:869ca2b0 r8:849a6200 r7:82a03d80 r6:ddde5020 r5:ddde5000
 r4:869ca280
[<80277df8>] (worker_thread) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e0201e88 r8:869ca200 r7:869ca280 r6:80277df8 r5:849a6200
 r4:869c5380
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0225fb0 to 0xe0225ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:869c5380
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:60000193 r6:60000193 r5:82336570 r4:00000000
[<80201a74>] (show_stack) from [<8021ec68>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201a74>] (show_stack) from [<8021ec68>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021ec0c>] (dump_stack_lvl) from [<8021ec94>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:00000000 r6:00000113 r5:00000000 r4:00000001
[<8021ec7c>] (dump_stack) from [<81b5aefc>] (nmi_cpu_backtrace+0x150/0x170 lib/nmi_backtrace.c:122)
[<81b5adac>] (nmi_cpu_backtrace) from [<81b5b050>] (nmi_trigger_cpumask_backtrace+0x134/0x208 lib/nmi_backtrace.c:65)
 r7:82a0b150 r6:83320c40 r5:82a1c7b8 r4:ffffffff
[<81b5af1c>] (nmi_trigger_cpumask_backtrace) from [<802300d4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:82a0b2f0 r8:00000009 r7:82a1ce80 r6:82ccce2c r5:00007743 r4:00000048
[<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline])
[<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (__sys_info lib/sys_info.c:157 [inline])
[<802300bc>] (arch_trigger_cpumask_backtrace) from [<81b62b8c>] (sys_info+0x68/0xa8 lib/sys_info.c:165)
[<81b62b24>] (sys_info) from [<80390a60>] (check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline])
[<81b62b24>] (sys_info) from [<80390a60>] (watchdog+0x3a0/0x848 kernel/hung_task.c:561)
 r5:00007743 r4:0000000a
[<803906c0>] (watchdog) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df819e60 r8:831d5600 r7:00000000 r6:803906c0 r5:83320c40
 r4:833dd080
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8d5fb0 to 0xdf8d5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:833dd080
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2825 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:198
LR is at spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:618 [inline]
LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2720
pc : [<81b7c1f4>]    lr : [<80b0d95c>]    psr: 60000113
sp : eb155ec8  ip : eb155ed8  fp : eb155ed4
r10: 82b5e31c  r9 : 00000001  r8 : 00000000
r7 : 00000117  r6 : 82b5e280  r5 : 00000000  r4 : 00000001
r3 : 00000877  r2 : 00000000  r1 : 60000113  r0 : 84920c40
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 8794f580  DAC: 00000000
Call trace: 
[<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (spin_unlock_irqrestore include/linux/spinlock.h:408 [inline])
[<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:618 [inline])
[<81b7c1cc>] (_raw_spin_unlock_irqrestore) from [<80b0d95c>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2720)
[<80b0d93c>] (pl011_console_device_unlock) from [<802ed2c8>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1165)
[<802ed240>] (nbcon_emit_one) from [<802ed548>] (nbcon_kthread_func+0x208/0x2ec kernel/printk/nbcon.c:1271)
 r6:82cc92ec r5:82b5e280 r4:83989880
[<802ed340>] (nbcon_kthread_func) from [<802827b4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:eaf11b38 r8:84813580 r7:82b5e280 r6:802ed340 r5:83989880
 r4:838c2100
[<80282698>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb155fb0 to 0xeb155ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80282698 r4:838c2100