INFO: task kworker/0:7:26310 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:7     state:D stack:0     pid:26310 tgid:26310 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8185796c>] (__schedule) from [<818585a4>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<8185796c>] (__schedule) from [<818585a4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:eb95ddac r5:90cbbc00
 r4:90cbbc00
[<81858578>] (schedule) from [<81858b70>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:90cbbc00 r4:8270dd78
[<81858b58>] (schedule_preempt_disabled) from [<8185b458>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858b58>] (schedule_preempt_disabled) from [<8185b458>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b170>] (__mutex_lock.constprop.0) from [<8185bd24>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:eb95de38 r8:00000000 r7:ffffffff r6:00000000 r5:84ff0780
 r4:00000000
[<8185bd10>] (__mutex_lock_slowpath) from [<8185bd64>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd28>] (mutex_lock) from [<8048dfbc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048df5c>] (_vm_unmap_aliases) from [<80491b5c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048df5c>] (_vm_unmap_aliases) from [<80491b5c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff0780
 r4:00000000
[<804919ec>] (vfree) from [<802ea424>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:90cbbc00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f238000
[<802ea3f4>] (module_memfree) from [<80388b64>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:ebbbf000
[<80388b54>] (bpf_jit_free_exec) from [<80388d24>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388b54>] (bpf_jit_free_exec) from [<80388d24>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388cbc>] (bpf_jit_free) from [<80389e04>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:844c0f50 r4:844c0c00
[<80389cb8>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:dddd1280 r6:82c16000 r5:844c0f50 r4:97f81780
[<80266e8c>] (process_one_work) from [<80267570>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266e8c>] (process_one_work) from [<80267570>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:90cbbc00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:97f817ac
 r4:97f81780
[<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:eb369e90 r8:8529e2c0 r7:97f81780 r6:80267330 r5:90cbbc00
 r4:97fe0800
[<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xeb95dfb0 to 0xeb95dff8)
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 r5:8026e748 r4:97fe0800
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.8.0-rc4-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<8183648c>] (dump_backtrace) from [<81836588>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256)
 r7:00000000 r6:00000013 r5:60000093 r4:81fbd338
[<81836570>] (show_stack) from [<81853aa4>] (__dump_stack lib/dump_stack.c:88 [inline])
[<81836570>] (show_stack) from [<81853aa4>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<81853a5c>] (dump_stack_lvl) from [<81853ac8>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:00000001
[<81853ab0>] (dump_stack) from [<818238b8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81823758>] (nmi_cpu_backtrace) from [<81823a04>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff
[<818238d4>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:00000001 r8:82895eb8 r7:8260c5ec r6:00007f18 r5:8261adc8 r4:8362352c
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e6c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e6c>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline])
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e6c>] (watchdog+0x48c/0x59c kernel/hung_task.c:379)
[<803479e0>] (watchdog) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df819e58 r8:82e9f2c0 r7:00000000 r6:803479e0 r5:82ee1800
 r4:82f45980
[<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf8d9fb0 to 0xdf8d9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e748 r4:82f45980
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2994 Comm: syz-executor.0 Not tainted 6.8.0-rc4-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at kmap_local_sched_in kernel/sched/core.c:5180 [inline]
PC is at finish_task_switch+0x8c/0x294 kernel/sched/core.c:5282
LR is at __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
LR is at _raw_spin_unlock+0x2c/0x50 kernel/locking/spinlock.c:186
pc : [<8027b450>]    lr : [<81860a80>]    psr: 20000013
sp : df9b9da8  ip : df9b9d98  fp : df9b9dec
r10: 00002001  r9 : 83e96c00  r8 : 84729800
r7 : a3ec5728  r6 : 81857d70  r5 : ddde4600  r4 : 00000000
r3 : 83e96c00  r2 : 00000001  r1 : 81fbd338  r0 : 00000001
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 845584c0  DAC: 00000000
Backtrace: 
[<8027b3c4>] (finish_task_switch) from [<81857d70>] (context_switch kernel/sched/core.c:5403 [inline])
[<8027b3c4>] (finish_task_switch) from [<81857d70>] (__schedule+0x404/0xc0c kernel/sched/core.c:6727)
 r10:00000000 r9:8411a700 r8:04648862 r7:a3ec5728 r6:83e96c00 r5:ddde4600
 r4:84729800
[<8185796c>] (__schedule) from [<818585a4>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<8185796c>] (__schedule) from [<818585a4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:0000c350 r9:00000001 r8:00000000 r7:83e96c00 r6:00002001 r5:83e96c00
 r4:83e96c00
[<81858578>] (schedule) from [<8185fe70>] (do_nanosleep+0x90/0x15c kernel/time/hrtimer.c:2048)
 r5:83e96c00 r4:df9b9ee0
[<8185fde0>] (do_nanosleep) from [<802f9b48>] (hrtimer_nanosleep+0xf0/0x16c kernel/time/hrtimer.c:2101)
 r8:00000000 r7:83e96c00 r6:00100590 r5:000f4240 r4:00000000
[<802f9a58>] (hrtimer_nanosleep) from [<80303890>] (common_nsleep+0x5c/0x6c kernel/time/posix-timers.c:1350)
 r10:00000109 r9:83e96c00 r8:7e9d1534 r7:83e96c00 r6:00000000 r5:00000000
 r4:3b9aca00
[<80303834>] (common_nsleep) from [<803059e0>] (__do_sys_clock_nanosleep_time32 kernel/time/posix-timers.c:1424 [inline])
[<80303834>] (common_nsleep) from [<803059e0>] (sys_clock_nanosleep_time32+0xf8/0x158 kernel/time/posix-timers.c:1401)
 r5:81a04e38 r4:00000000
[<803058e8>] (sys_clock_nanosleep_time32) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xdf9b9fa8 to 0xdf9b9ff0)
9fa0:                   00000000 7e9d1534 00000000 00000000 7e9d153c 7e9d1534
9fc0: 00000000 7e9d1534 00000000 00000109 00000000 00000000 7e9d1670 00000acb
9fe0: 00000000 7e9d1530 00000001 0007ad18
 r8:80200288 r7:00000109 r6:00000000 r5:7e9d1534 r4:00000000