INFO: task kworker/1:4:9338 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:9338 tgid:9338 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:ebbd5dac r5:84750c00 r4:84750c00 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84750c00 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:ebbd5e38 r8:00000000 r7:ffffffff r6:00000000 r5:9d2a7240 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9d2a7240 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84750c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f03f000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfa0f000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:9bf1ef50 r4:9bf1ec00 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:9bf1ef50 r4:84fa6300 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84750c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84fa632c r4:84fa6300 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df875e90 r8:84e8f400 r7:84fa6300 r6:80267344 r5:84750c00 r4:845c5480 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xebbd5fb0 to 0xebbd5ff8) 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 r5:8026e75c r4:845c5480 INFO: task kworker/1:14:23047 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:14 state:D stack:0 pid:23047 tgid:23047 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:df9b5dac r5:82e38000 r4:82e38000 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82e38000 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9b5e38 r8:00000000 r7:ffffffff r6:00000000 r5:9d2a7b40 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9d2a7b40 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e38000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f041000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfa35000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8c652f50 r4:8c652c00 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8c652f50 r4:84f5ed00 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:82e38000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84f5ed2c r4:84f5ed00 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfaf1e90 r8:84e892c0 r7:84f5ed00 r6:80267344 r5:82e38000 r4:8c664180 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9b5fb0 to 0xdf9b5ff8) 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 r5:8026e75c r4:8c664180 INFO: task kworker/1:16:23060 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:16 state:D stack:0 pid:23060 tgid:23060 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfcdddac r5:83eabc00 r4:83eabc00 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83eabc00 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfcdde38 r8:00000000 r7:ffffffff r6:00000000 r5:8c664f80 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8c664f80 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83eabc00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f03b000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfb7b000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84e46750 r4:84e46400 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84e46750 r4:84e8a000 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:83eabc00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84e8a02c r4:84e8a000 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa21e90 r8:83785800 r7:84e8a000 r6:80267344 r5:83eabc00 r4:844bc0c0 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfcddfb0 to 0xdfcddff8) 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 r5:8026e75c r4:844bc0c0 INFO: task kworker/1:17:23074 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:17 state:D stack:0 pid:23074 tgid:23074 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfa75dac r5:8472bc00 r4:8472bc00 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8472bc00 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfa75e38 r8:00000000 r7:ffffffff r6:00000000 r5:9d2a7140 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9d2a7140 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8472bc00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f031000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfc33000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8c653750 r4:8c653400 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8c653750 r4:84e7cc80 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:8472bc00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84e7ccac r4:84e7cc80 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa21e90 r8:83785e40 r7:84e7cc80 r6:80267344 r5:8472bc00 r4:85023b80 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfa75fb0 to 0xdfa75ff8) 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 r5:8026e75c r4:85023b80 INFO: task kworker/0:31:23546 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:31 state:D stack:0 pid:23546 tgid:23546 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfb79dac r5:84730c00 r4:84730c00 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84730c00 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfb79e38 r8:00000000 r7:ffffffff r6:00000000 r5:850d5900 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850d5900 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84730c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f037000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfaad000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84dc7750 r4:84dc7400 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84dc7750 r4:86125c80 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84730c00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:86125cac r4:86125c80 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa05e90 r8:83443240 r7:86125c80 r6:80267344 r5:84730c00 r4:84ea0f40 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb79fb0 to 0xdfb79ff8) 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 r5:8026e75c r4:84ea0f40 INFO: task kworker/1:32:23554 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:32 state:D stack:0 pid:23554 tgid:23554 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfa81dac r5:84733c00 r4:84733c00 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84733c00 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfa81e38 r8:00000000 r7:ffffffff r6:00000000 r5:8c516680 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8c516680 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84733c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f03d000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfb8d000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8c653f50 r4:8c653c00 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8c653f50 r4:852aa500 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84733c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:852aa52c r4:852aa500 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:ebbd5e90 r8:84ce63c0 r7:852aa500 r6:80267344 r5:84733c00 r4:850d5900 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfa81fb0 to 0xdfa81ff8) 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 r5:8026e75c r4:850d5900 INFO: task kworker/0:35:23574 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:35 state:D stack:0 pid:23574 tgid:23574 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc09dac r5:84734800 r4:84734800 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84734800 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc09e38 r8:00000000 r7:ffffffff r6:00000000 r5:9beecf40 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9beecf40 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84734800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f033000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:df9ef000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8c5ec350 r4:8c5ec000 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8c5ec350 r4:9bf73a80 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84734800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:9bf73aac r4:9bf73a80 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfb89e90 r8:8c657f80 r7:9bf73a80 r6:80267344 r5:84734800 r4:8c635900 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc09fb0 to 0xdfc09ff8) 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 r5:8026e75c r4:8c635900 INFO: task kworker/0:37:23585 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:37 state:D stack:0 pid:23585 tgid:23585 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc21dac r5:83f50000 r4:83f50000 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83f50000 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc21e38 r8:00000000 r7:ffffffff r6:00000000 r5:84cd8100 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84cd8100 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83f50000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f039000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfac3000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84dc7f50 r4:84dc7c00 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84dc7f50 r4:86125380 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:83f50000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:861253ac r4:86125380 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc15e90 r8:83785a00 r7:86125380 r6:80267344 r5:83f50000 r4:83785a80 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc21fb0 to 0xdfc21ff8) 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 r5:8026e75c r4:83785a80 INFO: task kworker/1:34:23590 blocked for more than 430 seconds. Not tainted 6.8.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:34 state:D stack:0 pid:23590 tgid:23590 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818577ac>] (__schedule) from [<818583e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818577ac>] (__schedule) from [<818583e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfa4ddac r5:84735400 r4:84735400 [<818583b8>] (schedule) from [<818589b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84735400 r4:8270dd78 [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858998>] (schedule_preempt_disabled) from [<8185b298>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185afb0>] (__mutex_lock.constprop.0) from [<8185bb64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfa4de38 r8:00000000 r7:ffffffff r6:00000000 r5:9d2a7300 r4:00000000 [<8185bb50>] (__mutex_lock_slowpath) from [<8185bba4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bb68>] (mutex_lock) from [<8048dfd4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df74>] (_vm_unmap_aliases) from [<80491b74>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9d2a7300 r4:00000000 [<80491a04>] (vfree) from [<802ea43c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84735400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f035000 [<802ea40c>] (module_memfree) from [<80388b7c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:df9ab000 [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b6c>] (bpf_jit_free_exec) from [<80388d3c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388cd4>] (bpf_jit_free) from [<80389e1c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8c653350 r4:8c653000 [<80389cd0>] (bpf_prog_free_deferred) from [<8026703c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8c653350 r4:852aa100 [<80266ea0>] (process_one_work) from [<80267584>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ea0>] (process_one_work) from [<80267584>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84735400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:852aa12c r4:852aa100 [<80267344>] (worker_thread) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df9b5e90 r8:84db4bc0 r7:852aa100 r6:80267344 r5:84735400 r4:8c664dc0 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfa4dfb0 to 0xdfa4dff8) 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 r5:8026e75c r4:8c664dc0 NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.8.0-rc4-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<818362cc>] (dump_backtrace) from [<818363c8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fbd2e0 [<818363b0>] (show_stack) from [<818538e4>] (__dump_stack lib/dump_stack.c:88 [inline]) [<818363b0>] (show_stack) from [<818538e4>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<8185389c>] (dump_stack_lvl) from [<81853908>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:00000001 [<818538f0>] (dump_stack) from [<818236f8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81823598>] (nmi_cpu_backtrace) from [<81823844>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff [<81823714>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:00000001 r8:82894eb8 r7:8260c5ec r6:00007e93 r5:8261adc8 r4:9bf9a32c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e84>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e84>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e84>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<803479f8>] (watchdog) from [<8026e860>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82e9f440 r7:00000000 r6:803479f8 r5:82ee1800 r4:82f45800 [<8026e75c>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 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 r5:8026e75c r4:82f45800 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11936 Comm: syz-executor.0 Not tainted 6.8.0-rc4-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x16900 LR is at 0x16900 pc : [<00016900>] lr : [<00016900>] psr: 20000010 sp : 20000390 ip : 20000390 fp : 76b4d0fc r10: 003d0f00 r9 : 7ef1932f r8 : 7ef1932e r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 00000000 r3 : 00000000 r2 : 000001b0 r1 : 00000004 r0 : ffffffff Flags: nzCv IRQs on FIQs on Mode USER_32 ISA ARM Segment none Control: 30c5387d Table: 9bd54fc0 DAC: 00000000 Backtrace: invalid frame pointer 0x76b4d0fc