INFO: task kworker/0:12:20342 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:12 state:D stack:0 pid:20342 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:dfa31d94 r6:00000002 r5:83e1d080 r4:83e1d080 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:83e1d080 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:851fc000 r5:851fb000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:851fc000 r5:851fb000 r4:84f25bc0 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:84958c00 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f089000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f089000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe53000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:84958f40 r4:84958f40 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:83e1d080 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:84f3c000 r4:84958f40 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:84f3c018 r5:dddd4c80 r4:84f3c000 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:dfa25e8c r8:84252ec0 r7:84f3c000 r6:80262f60 r5:83e1d080 r4:84ec7e40 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdfa31fb0 to 0xdfa31ff8) 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 r5:80269fe8 r4:84ec7e40 INFO: task kworker/0:49:23416 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:49 state:D stack:0 pid:23416 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:dff75d94 r6:00000002 r5:8531f300 r4:8531f300 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:8531f300 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:853d1000 r5:853d0000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:853d1000 r5:853d0000 r4:84e2ae40 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:84d79800 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f08d000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f08d000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe5f000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:84d79b40 r4:84d79b40 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:8531f300 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:85052900 r4:84d79b40 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:85052918 r5:dddd4c80 r4:85052900 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:dff71e8c r8:84e2a340 r7:85052900 r6:80262f60 r5:8531f300 r4:84e2a080 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdff75fb0 to 0xdff75ff8) 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 r5:80269fe8 r4:84e2a080 INFO: task kworker/0:0:25226 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:0 pid:25226 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:df9d1d94 r6:00000002 r5:85222e00 r4:85222e00 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:85222e00 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:84c4b000 r5:84c4a000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:84c4b000 r5:84c4a000 r4:85337d00 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:84ae9c00 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f087000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f087000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe41000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:84ae9f40 r4:84ae9f40 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:85222e00 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:852b2180 r4:84ae9f40 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:852b2198 r5:dddd4c80 r4:852b2180 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:dff79e8c r8:860634c0 r7:852b2180 r6:80262f60 r5:85222e00 r4:84e2a080 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdf9d1fb0 to 0xdf9d1ff8) 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 r5:80269fe8 r4:84e2a080 INFO: task kworker/0:38:25649 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:38 state:D stack:0 pid:25649 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:e03bdd94 r6:00000002 r5:8932c500 r4:8932c500 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:8932c500 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:87451000 r5:87450000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:87451000 r5:87450000 r4:85337740 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:851eac00 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f08f000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f08f000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe61000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:851eaf40 r4:851eaf40 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:8932c500 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:84f5fa80 r4:851eaf40 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:84f5fa98 r5:dddd4c80 r4:84f5fa80 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:e03b9e8c r8:853e4e00 r7:84f5fa80 r6:80262f60 r5:8932c500 r4:874e0940 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xe03bdfb0 to 0xe03bdff8) 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 r5:80269fe8 r4:874e0940 INFO: task kworker/0:39:25650 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:39 state:D stack:0 pid:25650 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:e03cdd94 r6:00000002 r5:8932d080 r4:8932d080 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:8932d080 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:893e3000 r5:893e2000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:893e3000 r5:893e2000 r4:84a06680 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:8495a000 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f08b000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f08b000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe55000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:8495a340 r4:8495a340 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:8932d080 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:84f5f880 r4:8495a340 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:84f5f898 r5:dddd4c80 r4:84f5f880 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:e03bde8c r8:853e4ac0 r7:84f5f880 r6:80262f60 r5:8932d080 r4:874e0940 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xe03cdfb0 to 0xe03cdff8) 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 r5:80269fe8 r4:874e0940 INFO: task kworker/0:40:25981 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:40 state:D stack:0 pid:25981 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:dfad5d94 r6:00000002 r5:8499a280 r4:8499a280 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:8499a280 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:8492d000 r5:8492c000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:8492d000 r5:8492c000 r4:850de440 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:851e9400 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f091000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f091000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe6f000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:851e9740 r4:851e9740 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:8499a280 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:84e45700 r4:851e9740 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:84e45718 r5:dddd4c80 r4:84e45700 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:e03bde8c r8:84385300 r7:84e45700 r6:80262f60 r5:8499a280 r4:8745d680 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdfad5fb0 to 0xdfad5ff8) 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 r5:80269fe8 r4:8745d680 INFO: task kworker/0:41:25982 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:41 state:D stack:0 pid:25982 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:dfaddd94 r6:00000002 r5:84998000 r4:84998000 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:84998000 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:86094000 r5:86093000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:86094000 r5:86093000 r4:860920c0 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:851e9000 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f093000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f093000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe71000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:851e9340 r4:851e9340 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:84998000 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:84e45480 r4:851e9340 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:84e45498 r5:dddd4c80 r4:84e45480 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:dfad5e8c r8:84385880 r7:84e45480 r6:80262f60 r5:84998000 r4:8745d680 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdfaddfb0 to 0xdfaddff8) 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 r5:80269fe8 r4:8745d680 INFO: task kworker/0:42:25983 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:42 state:D stack:0 pid:25983 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:dfae1d94 r6:00000002 r5:84998b80 r4:84998b80 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:84998b80 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:87480000 r5:8747f000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:87480000 r5:8747f000 r4:86092280 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:851e8400 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f095000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f095000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe77000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:851e8740 r4:851e8740 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:84998b80 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:84e45e00 r4:851e8740 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:84e45e18 r5:dddd4c80 r4:84e45e00 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:dfadde8c r8:84385d40 r7:84e45e00 r6:80262f60 r5:84998b80 r4:8745d680 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdfae1fb0 to 0xdfae1ff8) 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 r5:80269fe8 r4:8745d680 INFO: task kworker/0:43:25984 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:43 state:D stack:0 pid:25984 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:dfae5d94 r6:00000002 r5:8499e780 r4:8499e780 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:8499e780 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:8530e000 r5:8530d000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:8530e000 r5:8530d000 r4:86092440 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:84f92000 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f097000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f097000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe79000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:84f92340 r4:84f92340 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:8499e780 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:84e45b80 r4:84f92340 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:84e45b98 r5:dddd4c80 r4:84e45b80 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:dfae1e8c r8:84385b80 r7:84e45b80 r6:80262f60 r5:8499e780 r4:8745d680 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdfae5fb0 to 0xdfae5ff8) 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 r5:80269fe8 r4:8745d680 INFO: task kworker/0:44:25985 blocked for more than 430 seconds. Not tainted 6.1.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:44 state:D stack:0 pid:25985 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<817838dc>] (__schedule) from [<81784404>] (schedule+0x5c/0xac kernel/sched/core.c:6631) r10:ddde3e00 r9:8240c5e0 r8:8250be80 r7:dfae9d94 r6:00000002 r5:8499dc00 r4:8499dc00 [<817843a8>] (schedule) from [<81784994>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6690) r5:8499dc00 r4:8250be7c [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<8178497c>] (schedule_preempt_disabled) from [<81785968>] (__mutex_lock.constprop.0+0x300/0xa84 kernel/locking/mutex.c:747) [<81785668>] (__mutex_lock.constprop.0) from [<817861c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:ddde3e00 r9:00000001 r8:8240c5e0 r7:8240c494 r6:86040000 r5:8603f000 r4:ddde3e18 [<817861ac>] (__mutex_lock_slowpath) from [<81786200>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<817861c4>] (mutex_lock) from [<8045ba5c>] (_vm_unmap_aliases.part.0+0x104/0x178 mm/vmalloc.c:2185) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (_vm_unmap_aliases mm/vmalloc.c:2156 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (vm_remove_mappings mm/vmalloc.c:2686 [inline]) [<8045b958>] (_vm_unmap_aliases.part.0) from [<8045eee0>] (__vunmap+0x19c/0x2d4 mm/vmalloc.c:2713) r10:00000001 r9:00000001 r8:82696f28 r7:00000001 r6:86040000 r5:8603f000 r4:86092600 [<8045ed44>] (__vunmap) from [<8045f0ac>] (__vfree+0x40/0x80 mm/vmalloc.c:2775) r10:dddd8405 r9:84f92800 r8:00000000 r7:00000000 r6:dddd4c80 r5:00001000 r4:7f099000 [<8045f06c>] (__vfree) from [<8045f120>] (vfree+0x34/0x3c mm/vmalloc.c:2806) r5:00001000 r4:7f099000 [<8045f0ec>] (vfree) from [<802dbd4c>] (module_memfree+0x40/0x60 kernel/module/main.c:1134) [<802dbd0c>] (module_memfree) from [<80370fc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1005) r5:00001000 r4:dfe8b000 [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_binary_free kernel/bpf/core.c:1051 [inline]) [<80370fb4>] (bpf_jit_free_exec) from [<80371188>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1176) [<80371120>] (bpf_jit_free) from [<8037138c>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2577) r5:84f92b40 r4:84f92b40 [<80371204>] (bpf_prog_free_deferred) from [<802627bc>] (process_one_work+0x20c/0x5b4 kernel/workqueue.c:2289) r9:8499dc00 r8:00000000 r7:dddd8400 r6:dddd4c80 r5:84e45680 r4:84f92b40 [<802625b0>] (process_one_work) from [<80262fcc>] (worker_thread+0x6c/0x4e0 kernel/workqueue.c:2436) r10:dddd4c80 r9:00000008 r8:82404d40 r7:dddd4c9c r6:84e45698 r5:dddd4c80 r4:84e45680 [<80262f60>] (worker_thread) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:dfae5e8c r8:84385980 r7:84e45680 r6:80262f60 r5:8499dc00 r4:8745d680 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdfae9fb0 to 0xdfae9ff8) 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 r5:80269fe8 r4:8745d680 NMI backtrace for cpu 1 CPU: 1 PID: 26 Comm: khungtaskd Not tainted 6.1.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81764cd8>] (dump_backtrace) from [<81764dcc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:8240c5e0 r5:600c0093 r4:81d86398 [<81764db4>] (show_stack) from [<817811c0>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81764db4>] (show_stack) from [<817811c0>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<81781178>] (dump_stack_lvl) from [<817811e4>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000001 r4:00000001 [<817811cc>] (dump_stack) from [<817526c0>] (nmi_cpu_backtrace+0x170/0x18c lib/nmi_backtrace.c:111) [<81752550>] (nmi_cpu_backtrace) from [<8175285c>] (nmi_trigger_cpumask_backtrace+0x180/0x228 lib/nmi_backtrace.c:62) r9:00000002 r8:8020fdd4 r7:00000001 r6:8240c5e0 r5:8240c49c r4:00000000 [<817526dc>] (nmi_trigger_cpumask_backtrace) from [<80211058>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:854) r10:00000001 r9:0005a570 r8:82404d40 r7:00007ea1 r6:8268d9a8 r5:8240c5fc r4:82b29a64 r3:00000001 [<80211040>] (arch_trigger_cpumask_backtrace) from [<80332b70>] (trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]) [<80211040>] (arch_trigger_cpumask_backtrace) from [<80332b70>] (check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]) [<80211040>] (arch_trigger_cpumask_backtrace) from [<80332b70>] (watchdog+0x4a8/0x590 kernel/hung_task.c:377) [<803326c8>] (watchdog) from [<8026a0d4>] (kthread+0xec/0x11c kernel/kthread.c:376) r10:00000000 r9:df819e4c r8:82ab3900 r7:00000000 r6:803326c8 r5:828fae00 r4:82ab3840 [<80269fe8>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:148) Exception stack(0xdf8c9fb0 to 0xdf8c9ff8) 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 r5:80269fe8 r4:82ab3840 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 19492 Comm: syz-executor.0 Not tainted 6.1.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x170cc LR is at 0x170cc pc : [<000170cc>] lr : [<000170cc>] psr: 20000010 sp : 20001440 ip : 20001440 fp : 76bd020c r10: 7ea47544 r9 : 76bd06d0 r8 : 7ea473d2 r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 00000000 r3 : 00000000 r2 : 000001b8 r1 : 00000004 r0 : ffffffff Flags: nzCv IRQs on FIQs on Mode USER_32 ISA ARM Segment user Control: 30c5387d Table: 850de540 DAC: fffffffd Backtrace: invalid frame pointer 0x76bd020c