INFO: task kworker/1:3:12577 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:12577 tgid:12577 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:eb001dac r5:83506000 r4:83506000 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83506000 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eb001e38 r8:00000000 r7:ffffffff r6:00000000 r5:84bc3fc0 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84bc3fc0 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83506000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f02f000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfa3b000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:844c9b50 r4:844c9800 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:844c9b50 r4:90922980 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:83506000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:909229ac r4:90922980 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e06e1e90 r8:84907900 r7:90922980 r6:8026736c r5:83506000 r4:9093e480 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb001fb0 to 0xeb001ff8) 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 r5:8026e784 r4:9093e480 INFO: task kworker/0:2:19420 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:19420 tgid:19420 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfe05dac r5:84075400 r4:84075400 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84075400 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfe05e38 r8:00000000 r7:ffffffff r6:00000000 r5:84b598c0 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b598c0 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84075400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f05b000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0775000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84b0d350 r4:84b0d000 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84b0d350 r4:9857c080 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84075400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:9857c0ac r4:9857c080 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:edf31e90 r8:85069a00 r7:9857c080 r6:8026736c r5:84075400 r4:98671e80 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe05fb0 to 0xdfe05ff8) 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 r5:8026e784 r4:98671e80 INFO: task kworker/0:32:20109 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:32 state:D stack:0 pid:20109 tgid:20109 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:e07b5dac r5:842aa400 r4:842aa400 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:842aa400 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e07b5e38 r8:00000000 r7:ffffffff r6:00000000 r5:9866e4c0 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9866e4c0 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:842aa400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f065000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e08b9000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8497ff50 r4:8497fc00 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8497ff50 r4:8dcdd700 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:842aa400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8dcdd72c r4:8dcdd700 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffe5e90 r8:84a49600 r7:8dcdd700 r6:8026736c r5:842aa400 r4:84a49100 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe07b5fb0 to 0xe07b5ff8) 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 r5:8026e784 r4:84a49100 INFO: task kworker/0:34:20119 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:34 state:D stack:0 pid:20119 tgid:20119 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfa39dac r5:842b0000 r4:842b0000 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:842b0000 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfa39e38 r8:00000000 r7:ffffffff r6:00000000 r5:84b5e3c0 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b5e3c0 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:842b0000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f031000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfa8f000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8c04cb50 r4:8c04c800 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8c04cb50 r4:8dcdd900 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:842b0000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8dcdd92c r4:8dcdd900 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e07b5e90 r8:84961040 r7:8dcdd900 r6:8026736c r5:842b0000 r4:84961d00 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfa39fb0 to 0xdfa39ff8) 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 r5:8026e784 r4:84961d00 INFO: task kworker/0:35:20122 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:35 state:D stack:0 pid:20122 tgid:20122 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfa95dac r5:82ef5400 r4:82ef5400 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82ef5400 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfa95e38 r8:00000000 r7:ffffffff r6:00000000 r5:9866e740 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9866e740 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82ef5400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f067000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e08fb000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8497f350 r4:8497f000 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8497f350 r4:8dcdd500 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:82ef5400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8dcdd52c r4:8dcdd500 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e07b5e90 r8:84bcb140 r7:8dcdd500 r6:8026736c r5:82ef5400 r4:84961940 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfa95fb0 to 0xdfa95ff8) 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 r5:8026e784 r4:84961940 INFO: task kworker/0:36:20130 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:36 state:D stack:0 pid:20130 tgid:20130 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dffaddac r5:842d6000 r4:842d6000 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:842d6000 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dffade38 r8:00000000 r7:ffffffff r6:00000000 r5:85052640 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85052640 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:842d6000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f059000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0709000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:844caf50 r4:844cac00 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:844caf50 r4:8dcdde80 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:842d6000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8dcddeac r4:8dcdde80 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e07b5e90 r8:84a4f6c0 r7:8dcdde80 r6:8026736c r5:842d6000 r4:84a4f800 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdffadfb0 to 0xdffadff8) 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 r5:8026e784 r4:84a4f800 INFO: task kworker/0:37:20141 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:37 state:D stack:0 pid:20141 tgid:20141 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfdeddac r5:8471b000 r4:8471b000 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8471b000 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfdede38 r8:00000000 r7:ffffffff r6:00000000 r5:9866ef40 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9866ef40 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8471b000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f033000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfad1000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8497d750 r4:8497d400 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8497d750 r4:8dcddf80 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:8471b000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8dcddfac r4:8dcddf80 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffade90 r8:8dbfc800 r7:8dcddf80 r6:8026736c r5:8471b000 r4:8dbfc480 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfdedfb0 to 0xdfdedff8) 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 r5:8026e784 r4:8dbfc480 INFO: task kworker/0:38:20146 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:38 state:D stack:0 pid:20146 tgid:20146 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfd99dac r5:8471e000 r4:8471e000 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8471e000 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfd99e38 r8:00000000 r7:ffffffff r6:00000000 r5:8dcc8f00 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8dcc8f00 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8471e000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f063000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0877000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:844ca750 r4:844ca400 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:844ca750 r4:8dcddc80 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:8471e000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8dcddcac r4:8dcddc80 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffade90 r8:8dccf2c0 r7:8dcddc80 r6:8026736c r5:8471e000 r4:8dccf5c0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfd99fb0 to 0xdfd99ff8) 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 r5:8026e784 r4:8dccf5c0 INFO: task kworker/0:39:20169 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:39 state:D stack:0 pid:20169 tgid:20169 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfb65dac r5:836a9800 r4:836a9800 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:836a9800 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfb65e38 r8:00000000 r7:ffffffff r6:00000000 r5:8dcc8dc0 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8dcc8dc0 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:836a9800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f061000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0827000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:844cbb50 r4:844cb800 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:844cbb50 r4:8dcdd580 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:836a9800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8dcdd5ac r4:8dcdd580 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffade90 r8:84bcc900 r7:8dcdd580 r6:8026736c r5:836a9800 r4:892c64c0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb65fb0 to 0xdfb65ff8) 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 r5:8026e784 r4:892c64c0 INFO: task kworker/0:40:20174 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:40 state:D stack:0 pid:20174 tgid:20174 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:e06bddac r5:82e7e000 r4:82e7e000 [<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82e7e000 r4:8270dd74 [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e06bde38 r8:00000000 r7:ffffffff r6:00000000 r5:8dcc81c0 r4:00000000 [<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8dcc81c0 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e7e000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f05f000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e07eb000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84b0fb50 r4:84b0f800 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84b0fb50 r4:8dcdd300 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:82e7e000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8dcdd32c r4:8dcdd300 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffade90 r8:84bead40 r7:8dcdd300 r6:8026736c r5:82e7e000 r4:84beac00 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe06bdfb0 to 0xe06bdff8) 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 r5:8026e784 r4:84beac00 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 PID: 31 Comm: khungtaskd Not tainted 6.8.0-rc2-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<8183656c>] (dump_backtrace) from [<81836668>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fbd330 [<81836650>] (show_stack) from [<81853b5c>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81836650>] (show_stack) from [<81853b5c>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<81853b14>] (dump_stack_lvl) from [<81853b80>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000001 r4:00000001 [<81853b68>] (dump_stack) from [<81823998>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81823838>] (nmi_cpu_backtrace) from [<81823ae4>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c494 r5:8261a7d8 r4:ffffffff [<818239b4>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827d8cdf r8:82894eb8 r7:8260c5ec r6:00007d42 r5:8261adc8 r4:8744ff2c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<803479c8>] (watchdog) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82f23700 r7:00000000 r6:803479c8 r5:82e90c00 r4:82ec7780 [<8026e784>] (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 r5:8026e784 r4:82ec7780 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2800 Comm: klogd Not tainted 6.8.0-rc2-syzkaller #0 Hardware name: ARM-Versatile Express PC is at tomoyo_socket_sendmsg_permission+0x0/0x108 security/tomoyo/network.c:760 LR is at tomoyo_socket_sendmsg+0x10/0x14 security/tomoyo/tomoyo.c:501 pc : [<806f272c>] lr : [<806f3200>] psr: a0000013 sp : ec555e40 ip : ec555e50 fp : ec555e4c r10: 00000121 r9 : 842d3c00 r8 : 00000003 r7 : 8306f180 r6 : ec555e98 r5 : 0000005a r4 : 821910e0 r3 : 806f31f0 r2 : 0000005a r1 : ec555e98 r0 : 8306f180 Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84409c80 DAC: fffffffd Backtrace: [<806f31f0>] (tomoyo_socket_sendmsg) from [<806bc38c>] (security_socket_sendmsg+0x40/0x5c security/security.c:4486) [<806bc34c>] (security_socket_sendmsg) from [<8134c030>] (__sock_sendmsg+0x1c/0x78 net/socket.c:742) r7:8306f180 r6:8306f180 r5:ec555e98 r4:00000000 [<8134c014>] (__sock_sendmsg) from [<8134e368>] (__sys_sendto+0x108/0x14c net/socket.c:2191) r7:8306f180 r6:00000000 r5:00004000 r4:00000000 [<8134e260>] (__sys_sendto) from [<8134e3f0>] (__do_sys_send net/socket.c:2213 [inline]) [<8134e260>] (__sys_sendto) from [<8134e3f0>] (sys_send+0x20/0x28 net/socket.c:2210) r8:80200288 r7:00000121 r6:76f535a0 r5:76f535a0 r4:0119dd70 [<8134e3d0>] (sys_send) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xec555fa8 to 0xec555ff0) 5fa0: 0119dd70 76f535a0 00000003 0119e4e8 0000005a 00004000 5fc0: 0119dd70 76f535a0 76f535a0 00000121 00000000 00000013 76e20e60 0119e4eb 5fe0: 00000000 7ef67bc8 76da8460 76dad918