INFO: task kworker/1:12:13808 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:12 state:D stack:0 pid:13808 tgid:13808 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:dfa1dd94 r5:83f3d400 r4:83f3d400 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:83f3d400 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfa1de20 r8:00000000 r7:ffffffff r6:00000000 r5:8a314a80 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a314a80 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83f3d400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f24e000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e000f000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a5a5754 r4:8a5a5400 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8a5a5754 r4:8a27a780 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83f3d400 r9:8a27a7ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8a27a780 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df951e90 r8:8a2345c0 r7:8a27a780 r6:80266f68 r5:83f3d400 r4:8afb9500 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfa1dfb0 to 0xdfa1dff8) 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 r5:8026fd60 r4:8afb9500 INFO: task kworker/1:13:14019 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:13 state:D stack:0 pid:14019 tgid:14019 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:dffddd94 r5:8a1bc800 r4:8a1bc800 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a1bc800 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dffdde20 r8:00000000 r7:ffffffff r6:00000000 r5:8a01a7c0 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a01a7c0 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a1bc800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f254000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0075000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:844e9354 r4:844e9000 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:844e9354 r4:8a27a980 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a1bc800 r9:8a27a9ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8a27a980 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa1de90 r8:8a43b300 r7:8a27a980 r6:80266f68 r5:8a1bc800 r4:8ad8ce40 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdffddfb0 to 0xdffddff8) 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 r5:8026fd60 r4:8ad8ce40 INFO: task kworker/0:19:16979 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:19 state:D stack:0 pid:16979 tgid:16979 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:eb1b1d94 r5:836c8c00 r4:836c8c00 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:836c8c00 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eb1b1e20 r8:00000001 r7:8af03000 r6:8af04000 r5:8453d240 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000001 r7:8af03000 r6:8af04000 r5:8453d240 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:836c8c00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f24c000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dff47000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a5a4754 r4:8a5a4400 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a5a4754 r4:8a3b8300 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:836c8c00 r9:8a3b832c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a3b8300 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb281e90 r8:8a027c00 r7:8a3b8300 r6:80266f68 r5:836c8c00 r4:8a210240 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb1b1fb0 to 0xeb1b1ff8) 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 r5:8026fd60 r4:8a210240 INFO: task kworker/0:20:16992 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:20 state:D stack:0 pid:16992 tgid:16992 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:dfe95d94 r5:836eec00 r4:836eec00 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:836eec00 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfe95e20 r8:00000001 r7:8ba65000 r6:8ba66000 r5:8453d440 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000001 r7:8ba65000 r6:8ba66000 r5:8453d440 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:836eec00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f24a000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dff3e000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a5a6f54 r4:8a5a6c00 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a5a6f54 r4:8a3b8d80 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:836eec00 r9:8a3b8dac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a3b8d80 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb1b1e90 r8:8a42e340 r7:8a3b8d80 r6:80266f68 r5:836eec00 r4:8a25b8c0 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe95fb0 to 0xdfe95ff8) 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 r5:8026fd60 r4:8a25b8c0 INFO: task kworker/0:21:16996 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:21 state:D stack:0 pid:16996 tgid:16996 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:dfe55d94 r5:82f00000 r4:82f00000 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:82f00000 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfe55e20 r8:00000001 r7:844a9000 r6:844aa000 r5:8a018a00 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000001 r7:844a9000 r6:844aa000 r5:8a018a00 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82f00000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f248000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfef1000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:844b7b54 r4:844b7800 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:844b7b54 r4:8a3b8f80 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:82f00000 r9:8a3b8fac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a3b8f80 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb1b1e90 r8:8a42e280 r7:8a3b8f80 r6:80266f68 r5:82f00000 r4:8a40f380 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe55fb0 to 0xdfe55ff8) 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 r5:8026fd60 r4:8a40f380 INFO: task kworker/0:22:16997 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:22 state:D stack:0 pid:16997 tgid:16997 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:dff65d94 r5:82ef6000 r4:82ef6000 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:82ef6000 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dff65e20 r8:00000000 r7:ffffffff r6:00000000 r5:8403b1c0 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8403b1c0 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82ef6000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f25a000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eaefd000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a7c8f54 r4:8a7c8c00 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a7c8f54 r4:8a3b8700 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:82ef6000 r9:8a3b872c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a3b8700 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe55e90 r8:8a42e380 r7:8a3b8700 r6:80266f68 r5:82ef6000 r4:8453d340 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdff65fb0 to 0xdff65ff8) 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 r5:8026fd60 r4:8453d340 INFO: task kworker/1:16:17008 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:16 state:D stack:0 pid:17008 tgid:17008 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:dff59d94 r5:8421ec00 r4:8421ec00 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8421ec00 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dff59e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a5110c0 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a5110c0 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8421ec00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f250000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0061000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a0f6f54 r4:8a0f6c00 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8a0f6f54 r4:8afd3100 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8421ec00 r9:8afd312c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8afd3100 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffdde90 r8:8a254000 r7:8afd3100 r6:80266f68 r5:8421ec00 r4:8a254240 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdff59fb0 to 0xdff59ff8) 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 r5:8026fd60 r4:8a254240 INFO: task kworker/1:17:17012 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:17 state:D stack:0 pid:17012 tgid:17012 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:e0045d94 r5:834a1800 r4:834a1800 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:834a1800 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:e0045e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a312140 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a312140 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:834a1800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f252000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e006f000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8afbd354 r4:8afbd000 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8afbd354 r4:8afd3380 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:834a1800 r9:8afd33ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8afd3380 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffdde90 r8:8a41e400 r7:8afd3380 r6:80266f68 r5:834a1800 r4:8a3122c0 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0045fb0 to 0xe0045ff8) 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 r5:8026fd60 r4:8a3122c0 INFO: task kworker/1:19:17014 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:19 state:D stack:0 pid:17014 tgid:17014 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:e006dd94 r5:83e32400 r4:83e32400 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:83e32400 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:e006de20 r8:00000000 r7:ffffffff r6:00000000 r5:84764cc0 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84764cc0 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83e32400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f258000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eaeb7000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a7cb754 r4:8a7cb400 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8a7cb754 r4:8afd3d00 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83e32400 r9:8afd3d2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8afd3d00 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0065e90 r8:8445ef00 r7:8afd3d00 r6:80266f68 r5:83e32400 r4:8445ecc0 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe006dfb0 to 0xe006dff8) 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 r5:8026fd60 r4:8445ecc0 INFO: task kworker/1:20:17043 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:20 state:D stack:0 pid:17043 tgid:17043 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8188acf0>] (__schedule) from [<8188b92c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<8188acf0>] (__schedule) from [<8188b92c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:e00c5d94 r5:83f26c00 r4:83f26c00 [<8188b900>] (schedule) from [<8188bf3c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:83f26c00 r4:82714c64 [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8188bf24>] (schedule_preempt_disabled) from [<8188e81c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8188e534>] (__mutex_lock.constprop.0) from [<8188f0e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:e00c5e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a2411c0 r4:00000000 [<8188f0d4>] (__mutex_lock_slowpath) from [<8188f128>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8188f0ec>] (mutex_lock) from [<8049aef0>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049ae90>] (_vm_unmap_aliases) from [<8049ed74>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a2411c0 r4:00000000 [<8049ec04>] (vfree) from [<802ed4a8>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83f26c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f256000 [<802ed478>] (module_memfree) from [<80390150>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e00d3000 [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80390140>] (bpf_jit_free_exec) from [<80390310>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<803902a8>] (bpf_jit_free) from [<803913f8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a509f54 r4:8a509c00 [<803912ac>] (bpf_prog_free_deferred) from [<80266430>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8a509f54 r4:8a2f5900 [<80266278>] (process_one_work) from [<80267154>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266278>] (process_one_work) from [<80267154>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83f26c00 r9:8a2f592c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8a2f5900 [<80266f68>] (worker_thread) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e006de90 r8:8a200b00 r7:8a2f5900 r6:80266f68 r5:83f26c00 r4:8a539580 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe00c5fb0 to 0xe00c5ff8) 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 r5:8026fd60 r4:8a539580 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 PID: 31 Comm: khungtaskd Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81869564>] (dump_backtrace) from [<81869660>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fc1ed8 [<81869648>] (show_stack) from [<81886e20>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81869648>] (show_stack) from [<81886e20>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114) [<81886db0>] (dump_stack_lvl) from [<81886e44>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000000 r4:00000001 [<81886e2c>] (dump_stack) from [<8185693c>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<818567dc>] (nmi_cpu_backtrace) from [<81856a88>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c590 r5:8261a88c r4:ffffffff [<81856958>] (nmi_trigger_cpumask_backtrace) from [<802105b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:8260c6f4 r8:0001e859 r7:8289cfe0 r6:00007ee4 r5:8a586204 r4:84349124 [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e2c8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e2c8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e2c8>] (watchdog+0x480/0x594 kernel/hung_task.c:380) [<8034de48>] (watchdog) from [<8026fe64>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82e98440 r7:00000000 r6:8034de48 r5:82ee1800 r4:82f420c0 [<8026fd60>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf8ddfb0 to 0xdf8ddff8) 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 r5:8026fd60 r4:82f420c0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2811 Comm: klogd Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at vsnprintf+0x268/0x400 lib/vsprintf.c:2896 LR is at vsnprintf+0x138/0x400 lib/vsprintf.c:2786 pc : [<818646d8>] lr : [<818645a8>] psr: 20000013 sp : ec651d00 ip : 81fb89a8 fp : ec651d4c r10: ffffffff r9 : ec651d14 r8 : ec651dd4 r7 : ec651d74 r6 : 139ae22b r5 : ec651dd7 r4 : 81fb89a8 r3 : 00000000 r2 : 80000000 r1 : 81fb89a8 r0 : 00000003 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 83e99800 DAC: 00000000 Backtrace: [<81864470>] (vsnprintf) from [<8186494c>] (sprintf+0x38/0x5c lib/vsprintf.c:3028) r10:00000000 r9:00000001 r8:00000001 r7:ec651dd4 r6:ec651e70 r5:00000001 r4:00000001 [<81864914>] (sprintf) from [<802ba9b4>] (print_syslog kernel/printk/printk.c:1323 [inline]) [<81864914>] (sprintf) from [<802ba9b4>] (info_print_prefix+0xe4/0x188 kernel/printk/printk.c:1353) r3:00000006 r2:00000006 r1:81fb89a4 [<802ba8d0>] (info_print_prefix) from [<802baacc>] (record_print_text+0x74/0x17c kernel/printk/printk.c:1405) r10:00000000 r9:000007fe r8:00000001 r7:00000800 r6:845fb000 r5:00000001 r4:0000004d [<802baa58>] (record_print_text) from [<802bb824>] (syslog_print+0x2a0/0x36c kernel/printk/printk.c:1616) r10:8262a1d0 r9:76f58140 r8:00000000 r7:000003ff r6:8285a180 r5:8285a2d0 r4:00000000 [<802bb584>] (syslog_print) from [<802bbdbc>] (do_syslog+0x16c/0x3a8 kernel/printk/printk.c:1734) r10:00000067 r9:83626c00 r8:76f58140 r7:000003ff r6:00000000 r5:00000000 r4:00000002 [<802bbc50>] (do_syslog) from [<802bc00c>] (__do_sys_syslog kernel/printk/printk.c:1826 [inline]) [<802bbc50>] (do_syslog) from [<802bc00c>] (sys_syslog+0x14/0x18 kernel/printk/printk.c:1824) r9:83626c00 r8:80200288 r7:00000067 r6:00000000 r5:76f5851e r4:76f58140 [<802bbff8>] (sys_syslog) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xec651fa8 to 0xec651ff0) 1fa0: 76f58140 76f5851e 00000002 76f58140 000003ff 0000066c 1fc0: 76f58140 76f5851e 00000000 00000067 76f58140 76f5794c 76f58554 76f3a21a 1fe0: 76f57cfc 7e9b4ca4 76ecc9d0 76decf1c