INFO: task kworker/0:2:24693 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:24693 tgid:24693 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfa45dac r5:8ce8ec00 r4:8ce8ec00 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8ce8ec00 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfa45e38 r8:00000000 r7:ffffffff r6:00000000 r5:858695c0 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858695c0 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8ce8ec00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f312000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfcb7000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85404750 r4:85404400 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85404750 r4:846ebe00 [<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 r9:8ce8ec00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:846ebe2c r4:846ebe00 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfcc9e90 r8:8518ed40 r7:846ebe00 r6:80267330 r5:8ce8ec00 r4:8518e500 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfa45fb0 to 0xdfa45ff8) 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 r4:8518e500 INFO: task kworker/0:22:6833 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:22 state:D stack:0 pid:6833 tgid:6833 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc19dac r5:82e43000 r4:82e43000 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82e43000 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc19e38 r8:00000000 r7:ffffffff r6:00000000 r5:84ff8d80 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff8d80 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e43000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f282000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfaeb000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:857f0750 r4:857f0400 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:857f0750 r4:85071d80 [<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 r9:82e43000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85071dac r4:85071d80 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc11e90 r8:85580600 r7:85071d80 r6:80267330 r5:82e43000 r4:85580540 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc19fb0 to 0xdfc19ff8) 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 r4:85580540 INFO: task kworker/1:18:6834 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:18 state:D stack:0 pid:6834 tgid:6834 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc1ddac r5:82e43c00 r4:82e43c00 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82e43c00 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfc1de38 r8:00000000 r7:ffffffff r6:00000000 r5:84604ec0 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84604ec0 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e43c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f2a8000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfbb1000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84de6f50 r4:84de6c00 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84de6f50 r4:851ad800 [<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 r9:82e43c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:851ad82c r4:851ad800 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbede90 r8:85013c40 r7:851ad800 r6:80267330 r5:82e43c00 r4:8509f500 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc1dfb0 to 0xdfc1dff8) 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 r4:8509f500 INFO: task kworker/0:23:6835 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:23 state:D stack:0 pid:6835 tgid:6835 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc21dac r5:82e46000 r4:82e46000 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82e46000 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc21e38 r8:00000000 r7:ffffffff r6:00000000 r5:83ecf2c0 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:83ecf2c0 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e46000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f284000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfaf9000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84d33b50 r4:84d33800 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84d33b50 r4:85071c80 [<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 r9:82e46000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85071cac r4:85071c80 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc19e90 r8:84c8d940 r7:85071c80 r6:80267330 r5:82e46000 r4:85013fc0 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc21fb0 to 0xdfc21ff8) 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 r4:85013fc0 INFO: task kworker/1:19:6836 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:19 state:D stack:0 pid:6836 tgid:6836 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc25dac r5:82e41800 r4:82e41800 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82e41800 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfc25e38 r8:00000000 r7:ffffffff r6:00000000 r5:85220680 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85220680 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e41800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f2a2000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfb99000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8442fb50 r4:8442f800 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8442fb50 r4:851ad680 [<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 r9:82e41800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:851ad6ac r4:851ad680 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc1de90 r8:85108a00 r7:851ad680 r6:80267330 r5:82e41800 r4:8509f500 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc25fb0 to 0xdfc25ff8) 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 r4:8509f500 INFO: task kworker/1:20:6837 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:20 state:D stack:0 pid:6837 tgid:6837 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc31dac r5:82fe0000 r4:82fe0000 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82fe0000 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfc31e38 r8:00000000 r7:ffffffff r6:00000000 r5:850d0780 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850d0780 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82fe0000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f2a6000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfba9000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8442d350 r4:8442d000 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8442d350 r4:851ad500 [<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 r9:82fe0000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:851ad52c r4:851ad500 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc25e90 r8:85108bc0 r7:851ad500 r6:80267330 r5:82fe0000 r4:8509f500 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc31fb0 to 0xdfc31ff8) 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 r4:8509f500 INFO: task kworker/1:21:6838 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:21 state:D stack:0 pid:6838 tgid:6838 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc35dac r5:82fe3000 r4:82fe3000 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82fe3000 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfc35e38 r8:00000000 r7:ffffffff r6:00000000 r5:85069b80 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85069b80 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82fe3000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f2a4000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfba3000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8442cf50 r4:8442cc00 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8442cf50 r4:851ad180 [<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 r9:82fe3000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:851ad1ac r4:851ad180 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc25e90 r8:8509cf00 r7:851ad180 r6:80267330 r5:82fe3000 r4:8509f500 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc35fb0 to 0xdfc35ff8) 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 r4:8509f500 INFO: task kworker/0:24:6839 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:24 state:D stack:0 pid:6839 tgid:6839 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc39dac r5:83f35400 r4:83f35400 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83f35400 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc39e38 r8:00000000 r7:ffffffff r6:00000000 r5:8518cd40 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8518cd40 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83f35400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f286000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfb07000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84d31b50 r4:84d31800 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84d31b50 r4:85071200 [<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 r9:83f35400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8507122c r4:85071200 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc21e90 r8:8509cdc0 r7:85071200 r6:80267330 r5:83f35400 r4:8509c000 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc39fb0 to 0xdfc39ff8) 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 r4:8509c000 INFO: task kworker/0:25:6840 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:25 state:D stack:0 pid:6840 tgid:6840 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc3ddac r5:83f36000 r4:83f36000 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83f36000 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc3de38 r8:00000000 r7:ffffffff r6:00000000 r5:84eadf40 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eadf40 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83f36000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f288000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfb19000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84d30b50 r4:84d30800 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84d30b50 r4:85071280 [<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 r9:83f36000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:850712ac r4:85071280 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc39e90 r8:8509ce00 r7:85071280 r6:80267330 r5:83f36000 r4:8509c000 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc3dfb0 to 0xdfc3dff8) 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 r4:8509c000 INFO: task kworker/0:26:6841 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:26 state:D stack:0 pid:6841 tgid:6841 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185972c>] (__schedule) from [<8185a364>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185972c>] (__schedule) from [<8185a364>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc55dac r5:8364b000 r4:8364b000 [<8185a338>] (schedule) from [<8185a930>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8364b000 r4:8270dd78 [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a918>] (schedule_preempt_disabled) from [<8185d218>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cf30>] (__mutex_lock.constprop.0) from [<8185dae4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc55e38 r8:00000000 r7:ffffffff r6:00000000 r5:84ead2c0 r4:00000000 [<8185dad0>] (__mutex_lock_slowpath) from [<8185db24>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185dae8>] (mutex_lock) from [<8048e140>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e0e0>] (_vm_unmap_aliases) from [<80491ce0>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ead2c0 r4:00000000 [<80491b70>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8364b000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f28a000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfb1f000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84d32b50 r4:84d32800 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84d32b50 r4:85071380 [<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 r9:8364b000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:850713ac r4:85071380 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc3de90 r8:8509cfc0 r7:85071380 r6:80267330 r5:8364b000 r4:8509c000 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc55fb0 to 0xdfc55ff8) 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 r4:8509c000 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-rc7-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<8183824c>] (dump_backtrace) from [<81838348>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fbd570 [<81838330>] (show_stack) from [<81855864>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81838330>] (show_stack) from [<81855864>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<8185581c>] (dump_stack_lvl) from [<81855888>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:00000001 [<81855870>] (dump_stack) from [<81825678>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81825518>] (nmi_cpu_backtrace) from [<818257c4>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff [<81825694>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827d8c5f r8:82895eb8 r7:8260c5ec r6:00007d46 r5:8261adc8 r4:8ec9972c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347ebc>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347ebc>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347ebc>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<80347a30>] (watchdog) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82e9f400 r7:00000000 r6:80347a30 r5:82ee8c00 r4:82f45a00 [<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 r4:82f45a00 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3541 Comm: syz-executor.0 Not tainted 6.8.0-rc7-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x16910 LR is at 0x16910 pc : [<00016910>] lr : [<00016910>] psr: 20000010 sp : 200002d0 ip : 200002d0 fp : 76be40fc r10: 003d0f00 r9 : 7edba32f r8 : 7edba32e 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: 84c8bf00 DAC: 00000000 Backtrace: invalid frame pointer 0x76be40fc