INFO: task kworker/0:26:24048 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:26 state:D stack:0 pid:24048 tgid:24048 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:dfbedda4 r5:82eebc00 r4:82eebc00 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:82eebc00 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbede20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c2e040 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:82eebc00 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f029000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfb0b000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:85a73b54 r4:85a73800 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:85a73b54 r4:847bb080 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:82eebc00 r9:847bb0ac r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:847bb080 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfbd5e78 r8:84cbdec0 r7:847bb080 r6:80266900 r5:82eebc00 r4:84f3fb00 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbedfb0 to 0xdfbedff8) 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 r5:8026fa00 r4:84f3fb00 INFO: task kworker/0:27:24483 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:27 state:D stack:0 pid:24483 tgid:24483 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:dfa41da4 r5:84d36c00 r4:84d36c00 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:84d36c00 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa41e20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a089400 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:84d36c00 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f02f000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfc2b000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:846c4b54 r4:846c4800 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:846c4b54 r4:84653400 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:84d36c00 r9:8465342c r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:84653400 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dffb9e78 r8:8a067e00 r7:84653400 r6:80266900 r5:84d36c00 r4:8a067e40 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa41fb0 to 0xdfa41ff8) 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 r5:8026fa00 r4:8a067e40 INFO: task kworker/0:28:24515 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:28 state:D stack:0 pid:24515 tgid:24515 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:e064dda4 r5:84d33c00 r4:84d33c00 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:84d33c00 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e064de20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a083680 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:84d33c00 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f240000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfd11000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:85882b54 r4:85882800 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:85882b54 r4:8a013380 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:84d33c00 r9:8a0133ac r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:8a013380 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfa41e78 r8:8a07c840 r7:8a013380 r6:80266900 r5:84d33c00 r4:8a07c000 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe064dfb0 to 0xe064dff8) 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 r5:8026fa00 r4:8a07c000 INFO: task kworker/0:29:24518 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:29 state:D stack:0 pid:24518 tgid:24518 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:e0689da4 r5:84d34800 r4:84d34800 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:84d34800 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0689e20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85163340 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:84d34800 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f244000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfe45000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:846c6354 r4:846c6000 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:846c6354 r4:8a013480 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:84d34800 r9:8a0134ac r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:8a013480 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfa41e78 r8:8a067680 r7:8a013480 r6:80266900 r5:84d34800 r4:8a067140 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0689fb0 to 0xe0689ff8) 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 r5:8026fa00 r4:8a067140 INFO: task kworker/0:30:24519 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:30 state:D stack:0 pid:24519 tgid:24519 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:dfb41da4 r5:84d33000 r4:84d33000 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:84d33000 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb41e20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850a1380 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:84d33000 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f23e000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfc57000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:846c7b54 r4:846c7800 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:846c7b54 r4:8a013e00 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:84d33000 r9:8a013e2c r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:8a013e00 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:e0689e78 r8:8a067c80 r7:8a013e00 r6:80266900 r5:84d33000 r4:8a067140 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb41fb0 to 0xdfb41ff8) 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 r5:8026fa00 r4:8a067140 INFO: task kworker/1:30:24520 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:30 state:D stack:0 pid:24520 tgid:24520 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:dfafdda4 r5:836e0c00 r4:836e0c00 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:836e0c00 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfafde20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846bed00 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:836e0c00 r8:01800000 r7:00000000 r6:82c16200 r5:00001000 r4:7f242000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfd71000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:8587cb54 r4:8587c800 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:ddde4000 r6:82c16200 r5:8587cb54 r4:85b86880 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:836e0c00 r9:85b868ac r8:61c88647 r7:ddde4020 r6:82604d40 r5:ddde4000 r4:85b86880 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfbf1e78 r8:84c9f640 r7:85b86880 r6:80266900 r5:836e0c00 r4:84f86880 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfafdfb0 to 0xdfafdff8) 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 r5:8026fa00 r4:84f86880 INFO: task kworker/0:31:24536 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:31 state:D stack:0 pid:24536 tgid:24536 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:dfcf5da4 r5:840fc800 r4:840fc800 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:840fc800 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcf5e20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f9f880 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:840fc800 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f246000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:e0059000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:846c5f54 r4:846c5c00 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:846c5f54 r4:8a013b80 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:840fc800 r9:8a013bac r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:8a013b80 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:e0689e78 r8:85064fc0 r7:8a013b80 r6:80266900 r5:840fc800 r4:847acfc0 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcf5fb0 to 0xdfcf5ff8) 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 r5:8026fa00 r4:847acfc0 INFO: task kworker/0:33:24566 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:33 state:D stack:0 pid:24566 tgid:24566 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:e0009da4 r5:8467bc00 r4:8467bc00 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:8467bc00 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0009e20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850d79c0 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:8467bc00 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f248000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:e0519000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:8587ff54 r4:8587fc00 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:8587ff54 r4:85be7a80 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:8467bc00 r9:85be7aac r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:85be7a80 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfb45e78 r8:847acc00 r7:85be7a80 r6:80266900 r5:8467bc00 r4:84f9f440 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0009fb0 to 0xe0009ff8) 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 r5:8026fa00 r4:84f9f440 INFO: task kworker/0:35:24601 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:35 state:D stack:0 pid:24601 tgid:24601 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:dfc55da4 r5:84679800 r4:84679800 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:84679800 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc55e20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a05a900 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:84679800 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f24c000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:e072f000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:846c6754 r4:846c6400 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:846c6754 r4:8a013f00 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:84679800 r9:8a013f2c r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:8a013f00 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfb45e78 r8:8a083600 r7:8a013f00 r6:80266900 r5:84679800 r4:8a05a380 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc55fb0 to 0xdfc55ff8) 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 r5:8026fa00 r4:8a05a380 INFO: task kworker/0:36:24605 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:36 state:D stack:0 pid:24605 tgid:24605 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:e047dda4 r5:8467a400 r4:8467a400 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:8467a400 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e047de20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a083dc0 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:8467a400 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f00b000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:df9e3000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:846c4354 r4:846c4000 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:846c4354 r4:8a013400 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:8467a400 r9:8a01342c r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:8a013400 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfb45e78 r8:8a07bac0 r7:8a013400 r6:80266900 r5:8467a400 r4:85601bc0 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe047dfb0 to 0xe047dff8) 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 r5:8026fa00 r4:85601bc0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:37:24619 blocked for more than 430 seconds. Not tainted 6.11.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:37 state:D stack:0 pid:24619 tgid:24619 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8197ecd0>] (__schedule) from [<8197f868>] (__schedule_loop kernel/sched/core.c:6606 [inline]) [<8197ecd0>] (__schedule) from [<8197f868>] (schedule+0x2c/0xfc kernel/sched/core.c:6621) r10:8260ca7c r9:00000000 r8:82714ab8 r7:00000002 r6:e078dda4 r5:8467c800 r4:8467c800 [<8197f83c>] (schedule) from [<8197fc1c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6678) r5:8467c800 r4:82714ab4 [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8197fc04>] (schedule_preempt_disabled) from [<819826f4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8198240c>] (__mutex_lock.constprop.0) from [<81982fc0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e078de20 r4:00000000 [<81982fac>] (__mutex_lock_slowpath) from [<81983000>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<81982fc4>] (mutex_lock) from [<804a63d4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2849) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vm_reset_perms mm/vmalloc.c:3278 [inline]) [<804a636c>] (_vm_unmap_aliases) from [<804aa130>] (vfree+0x170/0x1e4 mm/vmalloc.c:3357) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9ef80 r4:00000000 [<804a9fc0>] (vfree) from [<805019d0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:8467c800 r8:00800000 r7:00000000 r6:82c16000 r5:00001000 r4:7f031000 [<805019a0>] (execmem_free) from [<80393a3c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfa55000 [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<80393a2c>] (bpf_jit_free_exec) from [<80393e1c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<80393db4>] (bpf_jit_free) from [<80394f58>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2800) r5:84fbfb54 r4:84fbf800 [<80394e0c>] (bpf_prog_free_deferred) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231) r7:dddd0000 r6:82c16000 r5:84fbfb54 r4:8a013000 [<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline]) [<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389) r10:8467c800 r9:8a01302c r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:8a013000 [<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:e00a1e78 r8:8a083900 r7:8a013000 r6:80266900 r5:8467c800 r4:84ee7800 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe078dfb0 to 0xe078dff8) 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 r5:8026fa00 r4:84ee7800 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted 6.11.0-rc6-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<8195d0f8>] (dump_backtrace) from [<8195d1f4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000113 r5:60000193 r4:8200ca84 [<8195d1dc>] (show_stack) from [<8197af34>] (__dump_stack lib/dump_stack.c:93 [inline]) [<8195d1dc>] (show_stack) from [<8197af34>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:119) [<8197aec4>] (dump_stack_lvl) from [<8197af58>] (dump_stack+0x18/0x1c lib/dump_stack.c:128) r5:00000001 r4:00000001 [<8197af40>] (dump_stack) from [<8194a3e8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<8194a288>] (nmi_cpu_backtrace) from [<8194a534>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c5d0 r5:8261a88c r4:ffffffff [<8194a404>] (nmi_trigger_cpumask_backtrace) from [<802103c8>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:0004af42 r8:828b3130 r7:8260c734 r6:00007d49 r5:8261ae48 r4:8a1b821c [<802103b0>] (arch_trigger_cpumask_backtrace) from [<80350e30>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]) [<802103b0>] (arch_trigger_cpumask_backtrace) from [<80350e30>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<802103b0>] (arch_trigger_cpumask_backtrace) from [<80350e30>] (watchdog+0x498/0x5b8 kernel/hung_task.c:379) [<80350998>] (watchdog) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df819e58 r8:82e9e2c0 r7:00000000 r6:80350998 r5:82ee8c00 r4:82f43e80 [<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8e1fb0 to 0xdf8e1ff8) 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 r5:8026fa00 r4:82f43e80 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2924 Comm: syslogd Not tainted 6.11.0-rc6-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x76e03694 LR is at 0x76e4d408 pc : [<76e03694>] lr : [<76e4d408>] psr: 80000010 sp : 7ed89c70 ip : 00000006 fp : 76ed8548 r10: 76ed854c r9 : 01c0c1c8 r8 : 00000000 r7 : 01c0c20e r6 : 01c0c2d0 r5 : 01c0c1a8 r4 : 7ed89cb8 r3 : 00000036 r2 : 0000000a r1 : 76f165b0 r0 : 01c0c1d1 Flags: Nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user Control: 30c5387d Table: 83fe4a80 DAC: fffffffd Call trace: invalid frame pointer 0x76ed8548