INFO: task kworker/0:25:5302 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:25 state:D stack:0 pid:5302 tgid:5302 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0855dac r5:82ea0000 r4:82ea0000 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82ea0000 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0855e38 r8:00000000 r7:ffffffff r6:00000000 r5:84fb4540 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fb4540 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82ea0000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f25a000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e074d000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e1bb50 r4:85e1b800 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e1bb50 r4:85252280 [<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 r9:82ea0000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:852522ac r4:85252280 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e08f5e90 r8:84dd5040 r7:85252280 r6:80267330 r5:82ea0000 r4:84dd50c0 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0855fb0 to 0xe0855ff8) 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 r5:8026e748 r4:84dd50c0 INFO: task kworker/0:26:5304 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:26 state:D stack:0 pid:5304 tgid:5304 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0921dac r5:86423c00 r4:86423c00 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:86423c00 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0921e38 r8:00000000 r7:ffffffff r6:00000000 r5:84fb4500 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fb4500 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:86423c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f25c000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0753000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e1a350 r4:85e1a000 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e1a350 r4:85252b00 [<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 r9:86423c00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85252b2c r4:85252b00 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0855e90 r8:85ff1e80 r7:85252b00 r6:80267330 r5:86423c00 r4:85ff1200 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0921fb0 to 0xe0921ff8) 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 r5:8026e748 r4:85ff1200 INFO: task kworker/0:27:5305 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:27 state:D stack:0 pid:5305 tgid:5305 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0925dac r5:836b5400 r4:836b5400 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:836b5400 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0925e38 r8:00000000 r7:ffffffff r6:00000000 r5:84fb4300 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fb4300 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:836b5400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f25e000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0759000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e18750 r4:85e18400 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e18750 r4:85252e00 [<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 r9:836b5400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85252e2c r4:85252e00 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0921e90 r8:85ff1480 r7:85252e00 r6:80267330 r5:836b5400 r4:85ff1200 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0925fb0 to 0xe0925ff8) 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 r5:8026e748 r4:85ff1200 INFO: task kworker/0:28:5306 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:28 state:D stack:0 pid:5306 tgid:5306 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0929dac r5:83d23c00 r4:83d23c00 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83d23c00 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0929e38 r8:00000000 r7:ffffffff r6:00000000 r5:8634d080 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8634d080 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83d23c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f260000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e075f000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e1bf50 r4:85e1bc00 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e1bf50 r4:85252f00 [<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 r9:83d23c00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85252f2c r4:85252f00 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0925e90 r8:85ff1f80 r7:85252f00 r6:80267330 r5:83d23c00 r4:85ff1200 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0929fb0 to 0xe0929ff8) 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 r4:85ff1200 INFO: task kworker/0:29:5307 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:29 state:D stack:0 pid:5307 tgid:5307 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e092ddac r5:84584800 r4:84584800 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84584800 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e092de38 r8:00000000 r7:ffffffff r6:00000000 r5:84dfe6c0 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84dfe6c0 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84584800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f262000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0765000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e1a750 r4:85e1a400 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e1a750 r4:85252680 [<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 r9:84584800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:852526ac r4:85252680 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0929e90 r8:85ff1ec0 r7:85252680 r6:80267330 r5:84584800 r4:85ff1200 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe092dfb0 to 0xe092dff8) 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 r4:85ff1200 INFO: task kworker/0:30:5308 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:30 state:D stack:0 pid:5308 tgid:5308 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0931dac r5:84583c00 r4:84583c00 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84583c00 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0931e38 r8:00000000 r7:ffffffff r6:00000000 r5:84dfeac0 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84dfeac0 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84583c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f264000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e076b000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e1ab50 r4:85e1a800 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e1ab50 r4:85252900 [<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 r9:84583c00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8525292c r4:85252900 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e092de90 r8:85ff1c80 r7:85252900 r6:80267330 r5:84583c00 r4:85ff1200 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0931fb0 to 0xe0931ff8) 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 r5:8026e748 r4:85ff1200 INFO: task kworker/0:31:5309 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:31 state:D stack:0 pid:5309 tgid:5309 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0799dac r5:84580000 r4:84580000 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84580000 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0799e38 r8:00000000 r7:ffffffff r6:00000000 r5:852df140 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852df140 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84580000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f266000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0789000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e19f50 r4:85e19c00 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e19f50 r4:85252180 [<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 r9:84580000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:852521ac r4:85252180 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0931e90 r8:85ff1240 r7:85252180 r6:80267330 r5:84580000 r4:85ff1200 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0799fb0 to 0xe0799ff8) 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 r4:85ff1200 INFO: task kworker/0:32:5310 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:32 state:D stack:0 pid:5310 tgid:5310 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0935dac r5:84586000 r4:84586000 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84586000 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0935e38 r8:00000000 r7:ffffffff r6:00000000 r5:852df900 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852df900 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84586000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f268000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e078f000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e18f50 r4:85e18c00 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e18f50 r4:84c3c600 [<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 r9:84586000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:84c3c62c r4:84c3c600 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0799e90 r8:85070700 r7:84c3c600 r6:80267330 r5:84586000 r4:85ff1200 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0935fb0 to 0xe0935ff8) 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 r5:8026e748 r4:85ff1200 INFO: task kworker/0:33:5311 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:33 state:D stack:0 pid:5311 tgid:5311 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0939dac r5:84585400 r4:84585400 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84585400 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0939e38 r8:00000000 r7:ffffffff r6:00000000 r5:852df940 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852df940 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84585400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f26a000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0795000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85e1b350 r4:85e1b000 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85e1b350 r4:84c30280 [<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 r9:84585400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:84c302ac r4:84c30280 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0935e90 r8:85ff1200 r7:84c30280 r6:80267330 r5:84585400 r4:85070800 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0939fb0 to 0xe0939ff8) 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 r4:85070800 INFO: task kworker/0:34:5313 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:34 state:D stack:0 pid:5313 tgid:5313 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81858eec>] (__schedule) from [<81859b24>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81858eec>] (__schedule) from [<81859b24>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0941dac r5:84586c00 r4:84586c00 [<81859af8>] (schedule) from [<8185a0f0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84586c00 r4:8270dd78 [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a0d8>] (schedule_preempt_disabled) from [<8185c9d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185c6f0>] (__mutex_lock.constprop.0) from [<8185d2a4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0941e38 r8:00000000 r7:ffffffff r6:00000000 r5:852dff00 r4:00000000 [<8185d290>] (__mutex_lock_slowpath) from [<8185d2e4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d2a8>] (mutex_lock) from [<8048e0e4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e084>] (_vm_unmap_aliases) from [<80491c84>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852dff00 r4:00000000 [<80491b14>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84586c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f26c000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e079f000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85f96f50 r4:85f96c00 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85f96f50 r4:84c30700 [<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 r9:84586c00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:84c3072c r4:84c30700 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0939e90 r8:84743080 r7:84c30700 r6:80267330 r5:84586c00 r4:85003a00 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0941fb0 to 0xe0941ff8) 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 r5:8026e748 r4:85003a00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.8.0-rc5-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81837a0c>] (dump_backtrace) from [<81837b08>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000013 r5:60000093 r4:81fbd4a4 [<81837af0>] (show_stack) from [<81855024>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81837af0>] (show_stack) from [<81855024>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<81854fdc>] (dump_stack_lvl) from [<81855048>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:00000001 [<81855030>] (dump_stack) from [<81824e38>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81824cd8>] (nmi_cpu_backtrace) from [<81824f84>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff [<81824e54>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827d8c5f r8:82895eb8 r7:8260c5ec r6:00007e3f r5:8261adc8 r4:8576422c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347eb4>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347eb4>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347eb4>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<80347a28>] (watchdog) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82ce7700 r7:00000000 r6:80347a28 r5:82ea3c00 r4:82f83540 [<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 r4:82f83540 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 15729 Comm: syz-executor.1 Not tainted 6.8.0-rc5-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x16900 LR is at 0x16900 pc : [<00016900>] lr : [<00016900>] psr: 20000010 sp : 20000e70 ip : 20000e70 fp : 76acd0fc r10: 003d0f00 r9 : 7ecb832f r8 : 7ecb832e r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 00000000 r3 : 00000000 r2 : 000001b0 r1 : 00000004 r0 : ffffffff Flags: nzCv IRQs on FIQs on Mode USER_32 ISA ARM Segment none Control: 30c5387d Table: 858368c0 DAC: 00000000 Backtrace: invalid frame pointer 0x76acd0fc