INFO: task kworker/1:0:22 blocked for more than 450 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:22 tgid:22 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df875dac r5:82e79800 r4:82e79800 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82e79800 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df875e38 r8:00000000 r7:ffffffff r6:00000000 r5:845ef9c0 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845ef9c0 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e79800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f033000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:df9db000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84c0e350 r4:84c0e000 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84c0e350 r4:82c0be00 [<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 r9:82e79800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:82c0be2c r4:82c0be00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819d68 r8:82cc76c0 r7:82c0be00 r6:8026736c r5:82e79800 r4:82cc7480 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf875fb0 to 0xdf875ff8) 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 r4:82cc7480 INFO: task kworker/0:3:113 blocked for more than 450 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:3 state:D stack:0 pid:113 tgid:113 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df9a5dac r5:83613000 r4:83613000 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83613000 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df9a5e38 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a9c0 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a9c0 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83613000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0f7000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e085b000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84dd7750 r4:84dd7400 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84dd7750 r4:83652400 [<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 r9:83613000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8365242c r4:83652400 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df991e90 r8:83448400 r7:83652400 r6:8026736c r5:83613000 r4:83650c80 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9a5fb0 to 0xdf9a5ff8) 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 r4:83650c80 INFO: task kworker/1:3:1553 blocked for more than 450 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:1553 tgid:1553 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:eb0a9dac r5:8368a400 r4:8368a400 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8368a400 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eb0a9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84452680 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84452680 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8368a400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f043000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfed7000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84d90f50 r4:84d90c00 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84d90f50 r4:83ff6900 [<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 r9:8368a400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83ff692c r4:83ff6900 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df891e90 r8:83ec5440 r7:83ff6900 r6:8026736c r5:8368a400 r4:83ff8580 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb0a9fb0 to 0xeb0a9ff8) 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 r4:83ff8580 INFO: task kworker/1:1:2988 blocked for more than 450 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:2988 tgid:2988 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df959dac r5:82f59800 r4:82f59800 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82f59800 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df959e38 r8:00000000 r7:ffffffff r6:00000000 r5:846d6c80 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846d6c80 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82f59800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0ad000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfdc5000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84c1eb50 r4:84c1e800 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84c1eb50 r4:84617d00 [<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 r9:82f59800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84617d2c r4:84617d00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb0a9e90 r8:83ec0e80 r7:84617d00 r6:8026736c r5:82f59800 r4:84628e00 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf959fb0 to 0xdf959ff8) 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 r4:84628e00 INFO: task kworker/0:0:2993 blocked for more than 450 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:0 pid:2993 tgid:2993 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df95ddac r5:82e6d400 r4:82e6d400 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82e6d400 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df95de38 r8:00000000 r7:ffffffff r6:00000000 r5:84c49840 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c49840 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e6d400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f075000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfb3b000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:845deb50 r4:845de800 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:845deb50 r4:83ecd880 [<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 r9:82e6d400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:83ecd8ac r4:83ecd880 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df991e90 r8:82cb6640 r7:83ecd880 r6:8026736c r5:82e6d400 r4:84628f00 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf95dfb0 to 0xdf95dff8) 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 r4:84628f00 INFO: task kworker/0:1:2997 blocked for more than 450 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:0 pid:2997 tgid:2997 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df83ddac r5:84282400 r4:84282400 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84282400 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df83de38 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a5c0 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a5c0 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84282400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0ef000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0733000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84dd6750 r4:84dd6400 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84dd6750 r4:83ecd780 [<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 r9:84282400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:83ecd7ac r4:83ecd780 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df95de90 r8:841dce80 r7:83ecd780 r6:8026736c r5:84282400 r4:84003bc0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf83dfb0 to 0xdf83dff8) 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 r4:84003bc0 INFO: task kworker/0:4:2999 blocked for more than 451 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack:0 pid:2999 tgid:2999 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df97ddac r5:83fb5400 r4:83fb5400 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83fb5400 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df97de38 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a4c0 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a4c0 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83fb5400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0ed000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0705000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84dd6350 r4:84dd6000 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84dd6350 r4:83ecd800 [<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 r9:83fb5400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:83ecd82c r4:83ecd800 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df83de90 r8:841b78c0 r7:83ecd800 r6:8026736c r5:83fb5400 r4:841e1d40 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf97dfb0 to 0xdf97dff8) 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 r4:841e1d40 INFO: task kworker/1:2:3002 blocked for more than 451 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:3002 tgid:3002 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df9a9dac r5:83fb6000 r4:83fb6000 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83fb6000 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9a9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84e53200 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e53200 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83fb6000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0bb000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:eabc7000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84dabf50 r4:84dabc00 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84dabf50 r4:84617e80 [<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 r9:83fb6000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84617eac r4:84617e80 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb0a9e90 r8:8460d500 r7:84617e80 r6:8026736c r5:83fb6000 r4:84624400 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9a9fb0 to 0xdf9a9ff8) 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 r4:84624400 INFO: task kworker/1:4:3003 blocked for more than 451 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:3003 tgid:3003 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df9addac r5:83fb0c00 r4:83fb0c00 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83fb0c00 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9ade38 r8:00000000 r7:ffffffff r6:00000000 r5:84e96f00 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e96f00 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83fb0c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f00b000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:eaf89000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84de8f50 r4:84de8c00 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84de8f50 r4:84617f00 [<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 r9:83fb0c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84617f2c r4:84617f00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df9a9e90 r8:8460df00 r7:84617f00 r6:8026736c r5:83fb0c00 r4:84624400 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9adfb0 to 0xdf9adff8) 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 r4:84624400 INFO: task kworker/1:5:3005 blocked for more than 451 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:5 state:D stack:0 pid:3005 tgid:3005 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df9b1dac r5:83fb6c00 r4:83fb6c00 [<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83fb6c00 r4:8270dd74 [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9b1e38 r8:00000000 r7:ffffffff r6:00000000 r5:84e53340 r4:00000000 [<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e53340 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83fb6c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0bd000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:eabcf000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84db0350 r4:84db0000 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84db0350 r4:84617f80 [<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 r9:83fb6c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84617fac r4:84617f80 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df9a9e90 r8:84431040 r7:84617f80 r6:8026736c r5:83fb6c00 r4:84003bc0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9b1fb0 to 0xdf9b1ff8) 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 r4:84003bc0 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-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<818365ac>] (dump_backtrace) from [<818366a8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000013 r5:60000093 r4:81fbd200 [<81836690>] (show_stack) from [<81853b9c>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81836690>] (show_stack) from [<81853b9c>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<81853b54>] (dump_stack_lvl) from [<81853bc0>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:00000001 [<81853ba8>] (dump_stack) from [<818239d8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81823878>] (nmi_cpu_backtrace) from [<81823b24>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff [<818239f4>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827d8cdf r8:82894eb8 r7:8260c5ec r6:00007d6b r5:8261adc8 r4:84df542c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e2c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e2c>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e2c>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<803479a0>] (watchdog) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82cce580 r7:00000000 r6:803479a0 r5:82e7e000 r4:82fa3980 [<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 r4:82fa3980 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3399 Comm: kworker/1:172 Not tainted 6.8.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Workqueue: events bpf_prog_free_deferred PC is at v7wbi_flush_kern_tlb_range+0x18/0x4c arch/arm/mm/tlb-v7.S:83 LR is at flush_tlb_kernel_range+0x64/0xb8 arch/arm/kernel/smp_tlb.c:243 pc : [<8021b36c>] lr : [<80210b30>] psr: 80000013 sp : dfc5dd58 ip : dfc5dd88 fp : dfc5dd84 r10: 00000000 r9 : 8270dd58 r8 : 8289fc68 r7 : 00000000 r6 : 7f753000 r5 : 8466ec00 r4 : 7f753000 r3 : 8021b354 r2 : 00000001 r1 : dfb1f000 r0 : a905b000 Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 843cd640 DAC: 00000000 Backtrace: [<80210acc>] (flush_tlb_kernel_range) from [<8048d6f0>] (__purge_vmap_area_lazy+0xc4/0x850 mm/vmalloc.c:1749) r4:dfb1f000 [<8048d62c>] (__purge_vmap_area_lazy) from [<8048e104>] (_vm_unmap_aliases+0x288/0x2e4 mm/vmalloc.c:2306) r10:00000000 r9:dfc5de38 r8:00000000 r7:dfc5ddf0 r6:00000008 r5:ddde2340 r4:dfc5ddf0 [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8500b380 r4:00000000 [<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8466ec00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f753000 [<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:ec989000 [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84f4cb50 r4:84f4c800 [<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84f4cb50 r4:847e7a00 [<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 r9:8466ec00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:847e7a2c r4:847e7a00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0741e90 r8:84c40980 r7:847e7a00 r6:8026736c r5:8466ec00 r4:84c40880 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc5dfb0 to 0xdfc5dff8) 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 r4:84c40880