INFO: task kworker/1:9:8189 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:9 state:D stack:0 pid:8189 tgid:8189 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:eba89dac r5:82ef5400 r4:82ef5400 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:82ef5400 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eba89e38 r8:00000000 r7:ffffffff r6:00000000 r5:845fa1c0 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845fa1c0 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82ef5400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f22a000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:df95f000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:857d2750 r4:857d2400 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:857d2750 r4:85147780 [<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 r9:82ef5400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:851477ac r4:85147780 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb8d1e90 r8:853a3ec0 r7:85147780 r6:80267330 r5:82ef5400 r4:8501b340 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeba89fb0 to 0xeba89ff8) 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 r4:8501b340 INFO: task kworker/1:53:16860 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:53 state:D stack:0 pid:16860 tgid:16860 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:ead35dac r5:8596a400 r4:8596a400 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8596a400 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:ead35e38 r8:00000000 r7:ffffffff r6:00000000 r5:84fa5e00 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fa5e00 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8596a400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f24a000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfc93000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8567d350 r4:8567d000 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8567d350 r4:85184180 [<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 r9:8596a400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:851841ac r4:85184180 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dff69e90 r8:84fe2d00 r7:85184180 r6:80267330 r5:8596a400 r4:84fe2500 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xead35fb0 to 0xead35ff8) 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 r4:84fe2500 INFO: task kworker/0:96:16883 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:96 state:D stack:0 pid:16883 tgid:16883 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:eada9dac r5:854fe000 r4:854fe000 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:854fe000 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eada9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84f68d40 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f68d40 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:854fe000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f316000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e4b95000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85522350 r4:85522000 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85522350 r4:85388300 [<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 r9:854fe000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8538832c r4:85388300 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:ead81e90 r8:859a7400 r7:85388300 r6:80267330 r5:854fe000 r4:84e5e140 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeada9fb0 to 0xeada9ff8) 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 r4:84e5e140 INFO: task kworker/0:97:16884 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:97 state:D stack:0 pid:16884 tgid:16884 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:eadb1dac r5:854fa400 r4:854fa400 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:854fa400 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eadb1e38 r8:00000000 r7:ffffffff r6:00000000 r5:84f68e40 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f68e40 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:854fa400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f314000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e4b8f000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85521f50 r4:85521c00 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85521f50 r4:85388380 [<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 r9:854fa400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:853883ac r4:85388380 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eada9e90 r8:84c33780 r7:85388380 r6:80267330 r5:854fa400 r4:84e5e140 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadb1fb0 to 0xeadb1ff8) 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 r4:84e5e140 INFO: task kworker/0:98:16885 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:98 state:D stack:0 pid:16885 tgid:16885 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:eadb5dac r5:854fec00 r4:854fec00 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:854fec00 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eadb5e38 r8:00000000 r7:ffffffff r6:00000000 r5:84f68940 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f68940 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:854fec00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f312000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e4b89000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85521b50 r4:85521800 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85521b50 r4:85388400 [<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 r9:854fec00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8538842c r4:85388400 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadb1e90 r8:84ee3bc0 r7:85388400 r6:80267330 r5:854fec00 r4:84e5e140 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadb5fb0 to 0xeadb5ff8) 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 r4:84e5e140 INFO: task kworker/0:99:16886 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:99 state:D stack:0 pid:16886 tgid:16886 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:eadbddac r5:84eaec00 r4:84eaec00 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84eaec00 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eadbde38 r8:00000000 r7:ffffffff r6:00000000 r5:84f68a80 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f68a80 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84eaec00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f310000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e4b83000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85521750 r4:85521400 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85521750 r4:85388480 [<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 r9:84eaec00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:853884ac r4:85388480 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadb5e90 r8:84e4cb00 r7:85388480 r6:80267330 r5:84eaec00 r4:84e5e140 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadbdfb0 to 0xeadbdff8) 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 r5:8026e748 r4:84e5e140 INFO: task kworker/0:100:16888 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:100 state:D stack:0 pid:16888 tgid:16888 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:eadc1dac r5:85528000 r4:85528000 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:85528000 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eadc1e38 r8:00000000 r7:ffffffff r6:00000000 r5:84f68800 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f68800 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:85528000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f30c000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0b71000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85520f50 r4:85520c00 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85520f50 r4:85388500 [<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 r9:85528000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8538852c r4:85388500 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadbde90 r8:8461e140 r7:85388500 r6:80267330 r5:85528000 r4:853ea140 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadc1fb0 to 0xeadc1ff8) 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 r4:853ea140 INFO: task kworker/1:54:16889 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:54 state:D stack:0 pid:16889 tgid:16889 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:eadc5dac r5:85528c00 r4:85528c00 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:85528c00 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eadc5e38 r8:00000000 r7:ffffffff r6:00000000 r5:845fa740 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845fa740 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:85528c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f244000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:df9d7000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:857d0350 r4:857d0000 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:857d0350 r4:85184280 [<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 r9:85528c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:851842ac r4:85184280 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:ead35e90 r8:84fdd440 r7:85184280 r6:80267330 r5:85528c00 r4:8461e540 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadc5fb0 to 0xeadc5ff8) 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 r4:8461e540 INFO: task kworker/0:101:16890 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:101 state:D stack:0 pid:16890 tgid:16890 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:eadc9dac r5:85529800 r4:85529800 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:85529800 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eadc9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84f68bc0 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f68bc0 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:85529800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f30e000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0b7b000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85521350 r4:85521000 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85521350 r4:85388580 [<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 r9:85529800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:853885ac r4:85388580 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadc1e90 r8:84fdd300 r7:85388580 r6:80267330 r5:85529800 r4:838be740 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadc9fb0 to 0xeadc9ff8) 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 r4:838be740 INFO: task kworker/0:102:16891 blocked for more than 430 seconds. Not tainted 6.8.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:102 state:D stack:0 pid:16891 tgid:16891 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818579ac>] (__schedule) from [<818585e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818579ac>] (__schedule) from [<818585e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:eadcddac r5:8552a400 r4:8552a400 [<818585b8>] (schedule) from [<81858bb0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8552a400 r4:8270dd78 [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858b98>] (schedule_preempt_disabled) from [<8185b498>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185b1b0>] (__mutex_lock.constprop.0) from [<8185bd64>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eadcde38 r8:00000000 r7:ffffffff r6:00000000 r5:84f68600 r4:00000000 [<8185bd50>] (__mutex_lock_slowpath) from [<8185bda4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185bd68>] (mutex_lock) from [<8048e004>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dfa4>] (_vm_unmap_aliases) from [<80491ba4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f68600 r4:00000000 [<80491a34>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8552a400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f30a000 [<802ea43c>] (module_memfree) from [<80388bac>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0b6b000 [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b9c>] (bpf_jit_free_exec) from [<80388d6c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d04>] (bpf_jit_free) from [<80389e4c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85520b50 r4:85520800 [<80389d00>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85520b50 r4:85388600 [<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 r9:8552a400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8538862c r4:85388600 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadc1e90 r8:84fdd780 r7:85388600 r6:80267330 r5:8552a400 r4:853ea680 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadcdfb0 to 0xeadcdff8) 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 r5:8026e748 r4:853ea680 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 PID: 31 Comm: khungtaskd Not tainted 6.8.0-rc5-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<818364cc>] (dump_backtrace) from [<818365c8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fbd350 [<818365b0>] (show_stack) from [<81853ae4>] (__dump_stack lib/dump_stack.c:88 [inline]) [<818365b0>] (show_stack) from [<81853ae4>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<81853a9c>] (dump_stack_lvl) from [<81853b08>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000001 r4:00000001 [<81853af0>] (dump_stack) from [<818238f8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81823798>] (nmi_cpu_backtrace) from [<81823a44>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c494 r5:8261a7d8 r4:ffffffff [<81823914>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827d8c5f r8:82895eb8 r7:8260c5ec r6:00007d45 r5:8261adc8 r4:856b4e2c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347eb4>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347eb4>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347eb4>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<80347a28>] (watchdog) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82f23540 r7:00000000 r6:80347a28 r5:82e58c00 r4:82ec78c0 [<8026e748>] (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 r5:8026e748 r4:82ec78c0 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 12839 Comm: syz-executor.0 Not tainted 6.8.0-rc5-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x16900 LR is at 0x16900 pc : [<00016900>] lr : [<00016900>] psr: 20000010 sp : 20002550 ip : 20002550 fp : 76b070fc r10: 003d0f00 r9 : 7ef6d32f r8 : 7ef6d32e 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 user Control: 30c5387d Table: 85422440 DAC: fffffffd Backtrace: invalid frame pointer 0x76b070fc