INFO: task kworker/0:9:32034 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:9 state:D stack:0 pid:32034 tgid:32034 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595cc>] (__schedule) from [<8185a204>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595cc>] (__schedule) from [<8185a204>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfd35dac r5:84150c00 r4:84150c00 [<8185a1d8>] (schedule) from [<8185a7d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84150c00 r4:8270dd78 [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdd0>] (__mutex_lock.constprop.0) from [<8185d984>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfd35e38 r8:00000000 r7:ffffffff r6:00000000 r5:84d27a00 r4:00000000 [<8185d970>] (__mutex_lock_slowpath) from [<8185d9c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d988>] (mutex_lock) from [<8048e09c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d27a00 r4:00000000 [<80491acc>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84150c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f250000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dff8f000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84d30f50 r4:84d30c00 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84d30f50 r4:85632d80 [<80266e8c>] (process_one_work) from [<80267570>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266e8c>] (process_one_work) from [<80267570>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84150c00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85632dac r4:85632d80 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfcfde90 r8:85360880 r7:85632d80 r6:80267330 r5:84150c00 r4:85360f40 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfd35fb0 to 0xdfd35ff8) 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 r5:8026e748 r4:85360f40 INFO: task kworker/0:11:32112 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:11 state:D stack:0 pid:32112 tgid:32112 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595cc>] (__schedule) from [<8185a204>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595cc>] (__schedule) from [<8185a204>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfe35dac r5:844d6000 r4:844d6000 [<8185a1d8>] (schedule) from [<8185a7d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:844d6000 r4:8270dd78 [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdd0>] (__mutex_lock.constprop.0) from [<8185d984>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfe35e38 r8:00000000 r7:ffffffff r6:00000000 r5:85073e80 r4:00000000 [<8185d970>] (__mutex_lock_slowpath) from [<8185d9c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d988>] (mutex_lock) from [<8048e09c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85073e80 r4:00000000 [<80491acc>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:844d6000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f252000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0037000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8587bf50 r4:8587bc00 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8587bf50 r4:84541200 [<80266e8c>] (process_one_work) from [<80267570>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266e8c>] (process_one_work) from [<80267570>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:844d6000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8454122c r4:84541200 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfcfde90 r8:85773dc0 r7:84541200 r6:80267330 r5:844d6000 r4:85773080 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe35fb0 to 0xdfe35ff8) 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 r5:8026e748 r4:85773080 INFO: task kworker/0:12:32210 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:12 state:D stack:0 pid:32210 tgid:32210 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595cc>] (__schedule) from [<8185a204>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595cc>] (__schedule) from [<8185a204>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfee1dac r5:835ee000 r4:835ee000 [<8185a1d8>] (schedule) from [<8185a7d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:835ee000 r4:8270dd78 [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdd0>] (__mutex_lock.constprop.0) from [<8185d984>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfee1e38 r8:00000000 r7:ffffffff r6:00000000 r5:850f4480 r4:00000000 [<8185d970>] (__mutex_lock_slowpath) from [<8185d9c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d988>] (mutex_lock) from [<8048e09c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850f4480 r4:00000000 [<80491acc>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:835ee000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f254000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0063000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85814b50 r4:85814800 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85814b50 r4:8576e000 [<80266e8c>] (process_one_work) from [<80267570>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266e8c>] (process_one_work) from [<80267570>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:835ee000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8576e02c r4:8576e000 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe35e90 r8:850cce80 r7:8576e000 r6:80267330 r5:835ee000 r4:850cc180 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfee1fb0 to 0xdfee1ff8) 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 r5:8026e748 r4:850cc180 INFO: task kworker/0:15:32365 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:15 state:D stack:0 pid:32365 tgid:32365 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595cc>] (__schedule) from [<8185a204>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595cc>] (__schedule) from [<8185a204>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0005dac r5:84710000 r4:84710000 [<8185a1d8>] (schedule) from [<8185a7d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84710000 r4:8270dd78 [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdd0>] (__mutex_lock.constprop.0) from [<8185d984>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0005e38 r8:00000000 r7:ffffffff r6:00000000 r5:85713300 r4:00000000 [<8185d970>] (__mutex_lock_slowpath) from [<8185d9c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d988>] (mutex_lock) from [<8048e09c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85713300 r4:00000000 [<80491acc>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84710000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f258000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e00bf000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85816350 r4:85816000 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85816350 r4:84de6380 [<80266e8c>] (process_one_work) from [<80267570>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266e8c>] (process_one_work) from [<80267570>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84710000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:84de63ac r4:84de6380 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffb9e90 r8:859f02c0 r7:84de6380 r6:80267330 r5:84710000 r4:859f0400 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0005fb0 to 0xe0005ff8) 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 r5:8026e748 r4:859f0400 INFO: task kworker/0:16:32373 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:16 state:D stack:0 pid:32373 tgid:32373 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595cc>] (__schedule) from [<8185a204>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595cc>] (__schedule) from [<8185a204>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0001dac r5:84713c00 r4:84713c00 [<8185a1d8>] (schedule) from [<8185a7d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84713c00 r4:8270dd78 [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdd0>] (__mutex_lock.constprop.0) from [<8185d984>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0001e38 r8:00000000 r7:ffffffff r6:00000000 r5:84550900 r4:00000000 [<8185d970>] (__mutex_lock_slowpath) from [<8185d9c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d988>] (mutex_lock) from [<8048e09c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84550900 r4:00000000 [<80491acc>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84713c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f256000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0097000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85815f50 r4:85815c00 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85815f50 r4:857a4080 [<80266e8c>] (process_one_work) from [<80267570>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266e8c>] (process_one_work) from [<80267570>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84713c00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:857a40ac r4:857a4080 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffb9e90 r8:859f5ec0 r7:857a4080 r6:80267330 r5:84713c00 r4:859f54c0 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0001fb0 to 0xe0001ff8) 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 r5:8026e748 r4:859f54c0 INFO: task kworker/0:19:32395 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:19 state:D stack:0 pid:32395 tgid:32395 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595cc>] (__schedule) from [<8185a204>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595cc>] (__schedule) from [<8185a204>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0061dac r5:8449e000 r4:8449e000 [<8185a1d8>] (schedule) from [<8185a7d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8449e000 r4:8270dd78 [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdd0>] (__mutex_lock.constprop.0) from [<8185d984>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0061e38 r8:00000000 r7:ffffffff r6:00000000 r5:856b7c80 r4:00000000 [<8185d970>] (__mutex_lock_slowpath) from [<8185d9c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d988>] (mutex_lock) from [<8048e09c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856b7c80 r4:00000000 [<80491acc>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8449e000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f232000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:df96b000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:854b0750 r4:854b0400 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:854b0750 r4:8593a580 [<80266e8c>] (process_one_work) from [<80267570>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266e8c>] (process_one_work) from [<80267570>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:8449e000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8593a5ac r4:8593a580 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffb9e90 r8:8588cc40 r7:8593a580 r6:80267330 r5:8449e000 r4:8588c880 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0061fb0 to 0xe0061ff8) 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 r5:8026e748 r4:8588c880 INFO: task kworker/0:21:32405 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:21 state:D stack:0 pid:32405 tgid:32405 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595cc>] (__schedule) from [<8185a204>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595cc>] (__schedule) from [<8185a204>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:e0401dac r5:84498000 r4:84498000 [<8185a1d8>] (schedule) from [<8185a7d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84498000 r4:8270dd78 [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a7b8>] (schedule_preempt_disabled) from [<8185d0b8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdd0>] (__mutex_lock.constprop.0) from [<8185d984>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0401e38 r8:00000000 r7:ffffffff r6:00000000 r5:84589380 r4:00000000 [<8185d970>] (__mutex_lock_slowpath) from [<8185d9c4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d988>] (mutex_lock) from [<8048e09c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e03c>] (_vm_unmap_aliases) from [<80491c3c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84589380 r4:00000000 [<80491acc>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84498000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f25a000 [<802ea43c>] (module_memfree) from [<80388bcc>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e00ef000 [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bbc>] (bpf_jit_free_exec) from [<80388d8c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d24>] (bpf_jit_free) from [<80389e6c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85816750 r4:85816400 [<80389d20>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85816750 r4:856c5300 [<80266e8c>] (process_one_work) from [<80267570>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266e8c>] (process_one_work) from [<80267570>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84498000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:856c532c r4:856c5300 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dffb9e90 r8:84d6f340 r7:856c5300 r6:80267330 r5:84498000 r4:84d6f080 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0401fb0 to 0xe0401ff8) 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 r5:8026e748 r4:84d6f080 NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.8.0-rc7-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<818380ec>] (dump_backtrace) from [<818381e8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fbd5bc [<818381d0>] (show_stack) from [<81855704>] (__dump_stack lib/dump_stack.c:88 [inline]) [<818381d0>] (show_stack) from [<81855704>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<818556bc>] (dump_stack_lvl) from [<81855728>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:00000001 [<81855710>] (dump_stack) from [<81825518>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<818253b8>] (nmi_cpu_backtrace) from [<81825664>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff [<81825534>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827d8c5f r8:82895eb8 r7:8260c5ec r6:00007ea8 r5:8261adc8 r4:8506d12c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347ebc>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347ebc>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347ebc>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<80347a30>] (watchdog) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82e9f440 r7:00000000 r6:80347a30 r5:82ee1800 r4:82f459c0 [<8026e748>] (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 r5:8026e748 r4:82f459c0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4433 Comm: syz-executor.0 Not tainted 6.8.0-rc7-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x16910 LR is at 0x16910 pc : [<00016910>] lr : [<00016910>] psr: 20000010 sp : 20001540 ip : 20001540 fp : 76bbb0fc r10: 003d0f00 r9 : 7ec7032f r8 : 7ec7032e r7 : 00000000 r6 : 00005d6f r5 : 160261d5 r4 : 00000000 r3 : 00000000 r2 : 000001b0 r1 : 00000026 r0 : ffffffff Flags: nzCv IRQs on FIQs on Mode USER_32 ISA ARM Segment none Control: 30c5387d Table: 85085d40 DAC: 00000000 Backtrace: invalid frame pointer 0x76bbb0fc