INFO: task kworker/0:7:13851 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:7 state:D stack:0 pid:13851 tgid:13851 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:df845da4 r5:86a36c00 r4:86a36c00 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:86a36c00 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16005 r9:df845e30 r8:00000000 r7:ffffffff r6:00000000 r5:86649b40 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86649b40 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8660d400 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f258000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:dfe59000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:8660d750 r4:865e6e00 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:86a36c00 r8:00000000 r7:dddd12c0 r6:82c16000 r5:8660d750 r4:90cb9000 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:86a36c00 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:90cb902c r4:90cb9000 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eafb9e90 r8:92f61d00 r7:90cb9000 r6:80266c84 r5:86a36c00 r4:92f61c00 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf845fb0 to 0xdf845ff8) 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 r5:8026e220 r4:92f61c00 INFO: task kworker/1:32:13983 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:32 state:D stack:0 pid:13983 tgid:13983 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16205 r9:00000000 r8:8270dad4 r7:00000002 r6:dfb31da4 r5:90c64800 r4:90c64800 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:90c64800 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16205 r9:dfb31e30 r8:00000000 r7:ffffffff r6:00000000 r5:84350200 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84350200 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8b66c000 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f23c000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:dfaed000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:8b66c350 r4:90db8e00 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:90c64800 r8:00000080 r7:ddde42c0 r6:82c16200 r5:8b66c350 r4:92fb1080 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:90c64800 r8:ddde42e0 r7:82604d40 r6:ddde42c0 r5:92fb10ac r4:92fb1080 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa55e90 r8:9c524c00 r7:92fb1080 r6:80266c84 r5:90c64800 r4:83f4ad00 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb31fb0 to 0xdfb31ff8) 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 r5:8026e220 r4:83f4ad00 INFO: task kworker/1:33:13987 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:33 state:D stack:0 pid:13987 tgid:13987 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16205 r9:00000000 r8:8270dad4 r7:00000002 r6:dfc55da4 r5:90c66000 r4:90c66000 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:90c66000 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16205 r9:dfc55e30 r8:00000000 r7:ffffffff r6:00000000 r5:84350000 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84350000 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:867b3800 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f23a000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:dfab3000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:867b3b50 r4:90db8e00 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:90c66000 r8:00000080 r7:ddde42c0 r6:82c16200 r5:867b3b50 r4:92fb1700 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:90c66000 r8:ddde42e0 r7:82604d40 r6:ddde42c0 r5:92fb172c r4:92fb1700 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa49e90 r8:9c524a80 r7:92fb1700 r6:80266c84 r5:90c66000 r4:8473eb80 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) 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 r5:8026e220 r4:8473eb80 INFO: task kworker/0:61:14040 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:61 state:D stack:0 pid:14040 tgid:14040 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:dfbb1da4 r5:8a910000 r4:8a910000 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:8a910000 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16005 r9:dfbb1e30 r8:00000000 r7:ffffffff r6:00000000 r5:86649740 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86649740 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8776f000 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f25a000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:dfe67000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:8776f350 r4:90c7ec00 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:8a910000 r8:00000000 r7:dddd12c0 r6:82c16000 r5:8776f350 r4:8476f280 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:8a910000 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:8476f2ac r4:8476f280 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfdb1e90 r8:9c3eab40 r7:8476f280 r6:80266c84 r5:8a910000 r4:9c3ea5c0 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) 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 r5:8026e220 r4:9c3ea5c0 INFO: task kworker/1:34:14048 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:34 state:D stack:0 pid:14048 tgid:14048 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16205 r9:00000000 r8:8270dad4 r7:00000002 r6:dfbf9da4 r5:8462a400 r4:8462a400 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:8462a400 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16205 r9:dfbf9e30 r8:00000000 r7:ffffffff r6:00000000 r5:9c3eacc0 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:9c3eacc0 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8b66c400 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f256000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:dfb17000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:8b66c750 r4:90db8e00 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:8462a400 r8:00000080 r7:ddde42c0 r6:82c16200 r5:8b66c750 r4:92fb1200 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:8462a400 r8:ddde42e0 r7:82604d40 r6:ddde42c0 r5:92fb122c r4:92fb1200 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfb31e90 r8:9c3eadc0 r7:92fb1200 r6:80266c84 r5:8462a400 r4:84350080 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfbf9fb0 to 0xdfbf9ff8) 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 r5:8026e220 r4:84350080 INFO: task kworker/1:35:14049 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:35 state:D stack:0 pid:14049 tgid:14049 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16205 r9:00000000 r8:8270dad4 r7:00000002 r6:dfbfdda4 r5:8462b000 r4:8462b000 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:8462b000 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16205 r9:dfbfde30 r8:00000000 r7:ffffffff r6:00000000 r5:90c68400 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:90c68400 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8660dc00 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f236000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:df949000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:8660df50 r4:90c7e800 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:8462b000 r8:00000080 r7:ddde42c0 r6:82c16200 r5:8660df50 r4:92fb1100 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:8462b000 r8:ddde42e0 r7:82604d40 r6:ddde42c0 r5:92fb112c r4:92fb1100 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbf9e90 r8:9c3ea5c0 r7:92fb1100 r6:80266c84 r5:8462b000 r4:84350240 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfbfdfb0 to 0xdfbfdff8) 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 r5:8026e220 r4:84350240 INFO: task kworker/0:63:14059 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 state:D stack:0 pid:14059 tgid:14059 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:e0485da4 r5:8462ec00 r4:8462ec00 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:8462ec00 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16005 r9:e0485e30 r8:00000000 r7:ffffffff r6:00000000 r5:865aebc0 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:865aebc0 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8745ec00 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f25c000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:dfe6d000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:8745ef50 r4:90c7f000 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:8462ec00 r8:00000000 r7:dddd12c0 r6:82c16000 r5:8745ef50 r4:8476fb80 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:8462ec00 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:8476fbac r4:8476fb80 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbb1e90 r8:86649fc0 r7:8476fb80 r6:80266c84 r5:8462ec00 r4:86649b00 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0485fb0 to 0xe0485ff8) 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 r5:8026e220 r4:86649b00 INFO: task kworker/0:64:14060 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 state:D stack:0 pid:14060 tgid:14060 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:e0489da4 r5:84628000 r4:84628000 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:84628000 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16005 r9:e0489e30 r8:00000000 r7:ffffffff r6:00000000 r5:843503c0 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:843503c0 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:844b3400 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f25e000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:e0177000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:844b3750 r4:90c7f000 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:84628000 r8:00000000 r7:dddd12c0 r6:82c16000 r5:844b3750 r4:8476f500 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:84628000 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:8476f52c r4:8476f500 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0485e90 r8:86649340 r7:8476f500 r6:80266c84 r5:84628000 r4:86649ac0 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0489fb0 to 0xe0489ff8) 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 r5:8026e220 r4:86649ac0 INFO: task kworker/0:65:14061 blocked for more than 430 seconds. Not tainted 6.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:14061 tgid:14061 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818563b8>] (__schedule) from [<81856fd8>] (__schedule_loop kernel/sched/core.c:6763 [inline]) [<818563b8>] (__schedule) from [<81856fd8>] (schedule+0x2c/0xb8 kernel/sched/core.c:6778) r10:82c16005 r9:00000000 r8:8270dad4 r7:00000002 r6:e048dda4 r5:84360000 r4:84360000 [<81856fac>] (schedule) from [<81857580>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6835) r5:84360000 r4:8270dad0 [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline]) [<81857568>] (schedule_preempt_disabled) from [<81859e68>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747) [<81859b80>] (__mutex_lock.constprop.0) from [<8185a734>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035) r10:82c16005 r9:e048de30 r8:00000000 r7:ffffffff r6:00000000 r5:86649880 r4:00000000 [<8185a720>] (__mutex_lock_slowpath) from [<8185a774>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185a738>] (mutex_lock) from [<8048a15c>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048a0fc>] (_vm_unmap_aliases) from [<8048dcfc>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86649880 r4:00000000 [<8048db8c>] (vfree) from [<802ea14c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a967000 r8:00000001 r7:00000000 r6:00000001 r5:00001000 r4:7f260000 [<802ea11c>] (module_memfree) from [<8038794c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1019) r5:00001000 r4:e047e000 [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_binary_free kernel/bpf/core.c:1065 [inline]) [<8038793c>] (bpf_jit_free_exec) from [<80387b0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1190) [<80387aa4>] (bpf_jit_free) from [<80387d10>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2740) r5:8a967350 r4:90c7f000 [<80387b88>] (bpf_prog_free_deferred) from [<8026697c>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2630) r9:84360000 r8:00000000 r7:dddd12c0 r6:82c16000 r5:8a967350 r4:8476f980 [<802667e0>] (process_one_work) from [<80266ec4>] (process_scheduled_works kernel/workqueue.c:2703 [inline]) [<802667e0>] (process_one_work) from [<80266ec4>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784) r10:61c88647 r9:84360000 r8:dddd12e0 r7:82604d40 r6:dddd12c0 r5:8476f9ac r4:8476f980 [<80266c84>] (worker_thread) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0489e90 r8:9c52eac0 r7:8476f980 r6:80266c84 r5:84360000 r4:84350c00 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe048dfb0 to 0xe048dff8) 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 r5:8026e220 r4:84350c00 NMI backtrace for cpu 0 CPU: 0 PID: 31 Comm: khungtaskd Not tainted 6.7.0-rc4-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81834d88>] (dump_backtrace) from [<81834e84>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fc0c44 [<81834e6c>] (show_stack) from [<81852660>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81834e6c>] (show_stack) from [<81852660>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<81852618>] (dump_stack_lvl) from [<81852684>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:00000001 [<8185266c>] (dump_stack) from [<8182218c>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<8182202c>] (nmi_cpu_backtrace) from [<818222d8>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff [<818221a8>] (nmi_trigger_cpumask_backtrace) from [<802104d4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827df39f r8:8289ceb4 r7:8260c5e4 r6:00007d2d r5:8261adc8 r4:8c3bc52c [<802104bc>] (arch_trigger_cpumask_backtrace) from [<803472ac>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802104bc>] (arch_trigger_cpumask_backtrace) from [<803472ac>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<802104bc>] (arch_trigger_cpumask_backtrace) from [<803472ac>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<80346e20>] (watchdog) from [<8026e324>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82ccf840 r7:00000000 r6:80346e20 r5:82e00c00 r4:82f275c0 [<8026e220>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf8ddfb0 to 0xdf8ddff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e220 r4:82f275c0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 1456 Comm: syz-executor.0 Not tainted 6.7.0-rc4-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x16798 LR is at 0x16798 pc : [<00016798>] lr : [<00016798>] psr: 20000010 sp : 200000d0 ip : 200000d0 fp : 76b960fc r10: 003d0f00 r9 : 7ed1c32f r8 : 7ed1c32e 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: 90cf61c0 DAC: 00000000 Backtrace: invalid frame pointer 0x76b960fc