INFO: task kworker/1:4:3883 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:3883 tgid:3883 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dfcc9d94 r5:83ecd400 r4:83ecd400 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83ecd400 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfcc9e20 r8:00000000 r7:ffffffff r6:00000000 r5:8462db00 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8462db00 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ecd400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f015000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:df9fb000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:844f5b54 r4:844f5800 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde40c0 r6:82c16200 r5:844f5b54 r4:84d35700 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83ecd400 r9:84d3572c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0 r4:84d35700 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df921e90 r8:84d34200 r7:84d35700 r6:80267144 r5:83ecd400 r4:84d34240 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfcc9fb0 to 0xdfcc9ff8) 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 r5:8026ff40 r4:84d34240 INFO: task kworker/0:60:4211 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:60 state:D stack:0 pid:4211 tgid:4211 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dff45d94 r5:84e5c800 r4:84e5c800 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84e5c800 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dff45e20 r8:00000000 r7:ffffffff r6:00000000 r5:844a6780 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:844a6780 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84e5c800 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f035000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfd1b000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84cb2f54 r4:84cb2c00 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddd00c0 r6:82c16000 r5:84cb2f54 r4:84d47680 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84e5c800 r9:84d476ac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:84d47680 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfec5e90 r8:83774940 r7:84d47680 r6:80267144 r5:84e5c800 r4:84cbe380 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdff45fb0 to 0xdff45ff8) 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 r5:8026ff40 r4:84cbe380 INFO: task kworker/0:64:4242 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 state:D stack:0 pid:4242 tgid:4242 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfb75d94 r5:84e63000 r4:84e63000 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84e63000 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfb75e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d3ba00 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d3ba00 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84e63000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f033000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfced000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84d77f54 r4:84d77c00 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddd00c0 r6:82c16000 r5:84d77f54 r4:84d47880 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84e63000 r9:84d478ac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:84d47880 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dff45e90 r8:84cbea80 r7:84d47880 r6:80267144 r5:84e63000 r4:84d43940 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb75fb0 to 0xdfb75ff8) 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 r5:8026ff40 r4:84d43940 INFO: task kworker/1:40:4249 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:40 state:D stack:0 pid:4249 tgid:4249 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dfbddd94 r5:84762400 r4:84762400 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84762400 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfbdde20 r8:00000000 r7:ffffffff r6:00000000 r5:84419980 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84419980 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84762400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f059000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfef3000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84d78f54 r4:84d78c00 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde40c0 r6:82c16200 r5:84d78f54 r4:8447bd80 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84762400 r9:8447bdac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0 r4:8447bd80 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0105e90 r8:84d3b400 r7:8447bd80 r6:80267144 r5:84762400 r4:843d2580 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfbddfb0 to 0xdfbddff8) 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 r5:8026ff40 r4:843d2580 INFO: task kworker/1:43:4259 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:43 state:D stack:0 pid:4259 tgid:4259 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dfca9d94 r5:84d80c00 r4:84d80c00 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84d80c00 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfca9e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d50440 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d50440 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d80c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f05d000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dff6f000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84d7a754 r4:84d7a400 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde40c0 r6:82c16200 r5:84d7a754 r4:8447bf00 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84d80c00 r9:8447bf2c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0 r4:8447bf00 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbdde90 r8:84d3b800 r7:8447bf00 r6:80267144 r5:84d80c00 r4:84d42500 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfca9fb0 to 0xdfca9ff8) 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 r5:8026ff40 r4:84d42500 INFO: task kworker/0:65:4263 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:4263 tgid:4263 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfb09d94 r5:84d82400 r4:84d82400 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84d82400 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfb09e20 r8:00000000 r7:ffffffff r6:00000000 r5:844a68c0 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:844a68c0 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d82400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f037000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfd43000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84cb3f54 r4:84cb3c00 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddd00c0 r6:82c16000 r5:84cb3f54 r4:84d47900 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84d82400 r9:84d4792c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:84d47900 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dff45e90 r8:84d3bec0 r7:84d47900 r6:80267144 r5:84d82400 r4:84d3b0c0 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb09fb0 to 0xdfb09ff8) 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 r5:8026ff40 r4:84d3b0c0 INFO: task kworker/0:66:4266 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:66 state:D stack:0 pid:4266 tgid:4266 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfd19d94 r5:84d83c00 r4:84d83c00 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84d83c00 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfd19e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d3b000 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d3b000 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d83c00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f03b000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfd7f000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84d74f54 r4:84d74c00 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddd00c0 r6:82c16000 r5:84d74f54 r4:84d47980 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84d83c00 r9:84d479ac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:84d47980 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfb09e90 r8:84d3b6c0 r7:84d47980 r6:80267144 r5:84d83c00 r4:84d3b600 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfd19fb0 to 0xdfd19ff8) 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 r5:8026ff40 r4:84d3b600 INFO: task kworker/0:67:4271 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:4271 tgid:4271 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfc85d94 r5:84d86000 r4:84d86000 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84d86000 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc85e20 r8:00000000 r7:ffffffff r6:00000000 r5:84419ac0 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84419ac0 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d86000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f053000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfe4f000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84d78754 r4:84d78400 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddd00c0 r6:82c16000 r5:84d78754 r4:84d47b80 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84d86000 r9:84d47bac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:84d47b80 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfd19e90 r8:84d42880 r7:84d47b80 r6:80267144 r5:84d86000 r4:84d3bb80 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc85fb0 to 0xdfc85ff8) 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 r5:8026ff40 r4:84d3bb80 INFO: task kworker/0:68:4272 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:68 state:D stack:0 pid:4272 tgid:4272 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfd4dd94 r5:84d85400 r4:84d85400 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84d85400 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfd4de20 r8:00000000 r7:ffffffff r6:00000000 r5:84d3bb80 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d3bb80 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d85400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f03d000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfda9000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847ef354 r4:847ef000 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddd00c0 r6:82c16000 r5:847ef354 r4:84d47c00 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84d85400 r9:84d47c2c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:84d47c00 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc85e90 r8:84d3b780 r7:84d47c00 r6:80267144 r5:84d85400 r4:84d3b700 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfd4dfb0 to 0xdfd4dff8) 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 r5:8026ff40 r4:84d3b700 INFO: task kworker/0:69:4276 blocked for more than 430 seconds. Not tainted 6.9.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:69 state:D stack:0 pid:4276 tgid:4276 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfdadd94 r5:84d86c00 r4:84d86c00 [<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84d86c00 r4:82714be4 [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfdade20 r8:00000000 r7:ffffffff r6:00000000 r5:84419000 r4:00000000 [<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline]) [<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84419000 r4:00000000 [<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d86c00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f04f000 [<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfde1000 [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847eff54 r4:847efc00 [<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddd00c0 r6:82c16000 r5:847eff54 r4:84d47c80 [<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84d86c00 r9:84d47cac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:84d47c80 [<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc85e90 r8:84d43d40 r7:84d47c80 r6:80267144 r5:84d86c00 r4:84d3b040 [<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfdadfb0 to 0xdfdadff8) 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 r5:8026ff40 r4:84d3b040 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 6.9.0-rc4-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<818a18bc>] (dump_backtrace) from [<818a19b8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fcea10 [<818a19a0>] (show_stack) from [<818bf0fc>] (__dump_stack lib/dump_stack.c:88 [inline]) [<818a19a0>] (show_stack) from [<818bf0fc>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114) [<818bf08c>] (dump_stack_lvl) from [<818bf120>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000000 r4:00000001 [<818bf108>] (dump_stack) from [<8188ec94>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<8188eb34>] (nmi_cpu_backtrace) from [<8188ede0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c590 r5:8261a88c r4:ffffffff [<8188ecb0>] (nmi_trigger_cpumask_backtrace) from [<802105b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:8260c6f4 r8:00007959 r7:8289ffe0 r6:00007d5b r5:85093e04 r4:850fa024 [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eac8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eac8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eac8>] (watchdog+0x480/0x594 kernel/hung_task.c:380) [<8034e648>] (watchdog) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82f18d80 r7:00000000 r6:8034e648 r5:82e50c00 r4:82ebf8c0 [<8026ff40>] (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 r5:8026ff40 r4:82ebf8c0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6903 Comm: syz-executor.0 Not tainted 6.9.0-rc4-syzkaller #0 Hardware name: ARM-Versatile Express PC is at mprotect_fixup+0x0/0x2b4 mm/mprotect.c:580 LR is at do_mprotect_pkey.constprop.0+0x214/0x3d4 mm/mprotect.c:809 pc : [<8049130c>] lr : [<804917d4>] psr: 60000013 sp : eb61ded0 ip : eb61de7c fp : eb61df94 r10: 00000003 r9 : 00000000 r8 : 85122400 r7 : 40000073 r6 : 76b79000 r5 : 76b59000 r4 : 842b0840 r3 : eb61def4 r2 : 842b0840 r1 : eb61df1c r0 : eb61def8 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 85197500 DAC: 00000000 Call trace: [<804915c0>] (do_mprotect_pkey.constprop.0) from [<804919a4>] (__do_sys_mprotect mm/mprotect.c:830 [inline]) [<804915c0>] (do_mprotect_pkey.constprop.0) from [<804919a4>] (sys_mprotect+0x10/0x14 mm/mprotect.c:827) r10:0000007d r9:85122400 r8:80200288 r7:0000007d r6:ffffffe0 r5:76b78600 r4:76b78b00 [<80491994>] (sys_mprotect) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xeb61dfa8 to 0xeb61dff0) dfa0: 76b78b00 76b78600 76b59000 00020000 00000003 00000500 dfc0: 76b78b00 76b78600 ffffffe0 0000007d 0011c000 00021000 76b58000 7e88a514 dfe0: 00000000 7e88a2ec 0003dddc 00050d0c