INFO: task kworker/1:7:10507 blocked for more than 430 seconds. Not tainted 6.8.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:7 state:D stack:0 pid:10507 tgid:10507 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185750c>] (__schedule) from [<81858144>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185750c>] (__schedule) from [<81858144>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:df9c1dac r5:850e6c00 r4:850e6c00 [<81858118>] (schedule) from [<81858710>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:850e6c00 r4:8270dd78 [<818586f8>] (schedule_preempt_disabled) from [<8185aff8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818586f8>] (schedule_preempt_disabled) from [<8185aff8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ad10>] (__mutex_lock.constprop.0) from [<8185b8c4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9c1e38 r8:00000000 r7:ffffffff r6:00000000 r5:8937f900 r4:00000000 [<8185b8b0>] (__mutex_lock_slowpath) from [<8185b904>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b8c8>] (mutex_lock) from [<8048df94>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df34>] (_vm_unmap_aliases) from [<80491b34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df34>] (_vm_unmap_aliases) from [<80491b34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8937f900 r4:00000000 [<804919c4>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:850e6c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f033000 [<802ea434>] (module_memfree) from [<80388b4c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfb61000 [<80388b3c>] (bpf_jit_free_exec) from [<80388d0c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b3c>] (bpf_jit_free_exec) from [<80388d0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ca4>] (bpf_jit_free) from [<80389dec>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84e62b50 r4:84e62800 [<80389ca0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84e62b50 r4:98256300 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:850e6c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:9825632c r4:98256300 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbd9e90 r8:8671b380 r7:98256300 r6:8026736c r5:850e6c00 r4:8671b140 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9c1fb0 to 0xdf9c1ff8) 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 r5:8026e784 r4:8671b140 INFO: task kworker/0:11:20280 blocked for more than 430 seconds. Not tainted 6.8.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:11 state:D stack:0 pid:20280 tgid:20280 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185750c>] (__schedule) from [<81858144>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185750c>] (__schedule) from [<81858144>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfa2ddac r5:8370bc00 r4:8370bc00 [<81858118>] (schedule) from [<81858710>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8370bc00 r4:8270dd78 [<818586f8>] (schedule_preempt_disabled) from [<8185aff8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818586f8>] (schedule_preempt_disabled) from [<8185aff8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ad10>] (__mutex_lock.constprop.0) from [<8185b8c4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfa2de38 r8:00000000 r7:ffffffff r6:00000000 r5:895ea800 r4:00000000 [<8185b8b0>] (__mutex_lock_slowpath) from [<8185b904>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b8c8>] (mutex_lock) from [<8048df94>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df34>] (_vm_unmap_aliases) from [<80491b34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df34>] (_vm_unmap_aliases) from [<80491b34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:895ea800 r4:00000000 [<804919c4>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8370bc00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f039000 [<802ea434>] (module_memfree) from [<80388b4c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfd25000 [<80388b3c>] (bpf_jit_free_exec) from [<80388d0c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b3c>] (bpf_jit_free_exec) from [<80388d0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ca4>] (bpf_jit_free) from [<80389dec>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84d7e750 r4:84d7e400 [<80389ca0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84d7e750 r4:889bfc00 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:8370bc00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:889bfc2c r4:889bfc00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfb1de90 r8:8989a800 r7:889bfc00 r6:8026736c r5:8370bc00 r4:84f26880 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfa2dfb0 to 0xdfa2dff8) 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 r5:8026e784 r4:84f26880 INFO: task kworker/0:16:20346 blocked for more than 430 seconds. Not tainted 6.8.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:16 state:D stack:0 pid:20346 tgid:20346 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185750c>] (__schedule) from [<81858144>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185750c>] (__schedule) from [<81858144>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfbcddac r5:84e4ec00 r4:84e4ec00 [<81858118>] (schedule) from [<81858710>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84e4ec00 r4:8270dd78 [<818586f8>] (schedule_preempt_disabled) from [<8185aff8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818586f8>] (schedule_preempt_disabled) from [<8185aff8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ad10>] (__mutex_lock.constprop.0) from [<8185b8c4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfbcde38 r8:00000000 r7:ffffffff r6:00000000 r5:91637940 r4:00000000 [<8185b8b0>] (__mutex_lock_slowpath) from [<8185b904>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b8c8>] (mutex_lock) from [<8048df94>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df34>] (_vm_unmap_aliases) from [<80491b34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df34>] (_vm_unmap_aliases) from [<80491b34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:91637940 r4:00000000 [<804919c4>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84e4ec00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f031000 [<802ea434>] (module_memfree) from [<80388b4c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:df907000 [<80388b3c>] (bpf_jit_free_exec) from [<80388d0c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b3c>] (bpf_jit_free_exec) from [<80388d0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ca4>] (bpf_jit_free) from [<80389dec>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84e03750 r4:84e03400 [<80389ca0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84e03750 r4:92d63500 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84e4ec00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:92d6352c r4:92d63500 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfba9e90 r8:92d6a640 r7:92d63500 r6:8026736c r5:84e4ec00 r4:92d443c0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfbcdfb0 to 0xdfbcdff8) 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 r5:8026e784 r4:92d443c0 INFO: task kworker/0:19:20381 blocked for more than 430 seconds. Not tainted 6.8.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:19 state:D stack:0 pid:20381 tgid:20381 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8185750c>] (__schedule) from [<81858144>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<8185750c>] (__schedule) from [<81858144>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfc39dac r5:84a3c800 r4:84a3c800 [<81858118>] (schedule) from [<81858710>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84a3c800 r4:8270dd78 [<818586f8>] (schedule_preempt_disabled) from [<8185aff8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<818586f8>] (schedule_preempt_disabled) from [<8185aff8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ad10>] (__mutex_lock.constprop.0) from [<8185b8c4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc39e38 r8:00000000 r7:ffffffff r6:00000000 r5:895ea880 r4:00000000 [<8185b8b0>] (__mutex_lock_slowpath) from [<8185b904>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b8c8>] (mutex_lock) from [<8048df94>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048df34>] (_vm_unmap_aliases) from [<80491b34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048df34>] (_vm_unmap_aliases) from [<80491b34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:895ea880 r4:00000000 [<804919c4>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84a3c800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f02f000 [<802ea434>] (module_memfree) from [<80388b4c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:df837000 [<80388b3c>] (bpf_jit_free_exec) from [<80388d0c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388b3c>] (bpf_jit_free_exec) from [<80388d0c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ca4>] (bpf_jit_free) from [<80389dec>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84d7e350 r4:84d7e000 [<80389ca0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84d7e350 r4:92d63f80 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84a3c800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:92d63fac r4:92d63f80 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbcde90 r8:84ec7c80 r7:92d63f80 r6:8026736c r5:84a3c800 r4:84207d80 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc39fb0 to 0xdfc39ff8) 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 r5:8026e784 r4:84207d80 NMI backtrace for cpu 1 CPU: 1 PID: 31 Comm: khungtaskd Not tainted 6.8.0-rc3-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<8183608c>] (dump_backtrace) from [<81836188>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000013 r5:60000093 r4:81fbd118 [<81836170>] (show_stack) from [<818536a4>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81836170>] (show_stack) from [<818536a4>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<8185365c>] (dump_stack_lvl) from [<818536c8>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000001 r4:00000001 [<818536b0>] (dump_stack) from [<818234b8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81823358>] (nmi_cpu_backtrace) from [<81823604>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c494 r5:8261a7d8 r4:ffffffff [<818234d4>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827d8c5f r8:82894eb8 r7:8260c5ec r6:00007e92 r5:8261adc8 r4:84d5942c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<803479c8>] (watchdog) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82ec49c0 r7:00000000 r6:803479c8 r5:82ee9800 r4:82ec48c0 [<8026e784>] (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 r5:8026e784 r4:82ec48c0 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2798 Comm: klogd Not tainted 6.8.0-rc3-syzkaller #0 Hardware name: ARM-Versatile Express PC is at __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] PC is at _raw_spin_unlock_irq+0x28/0x54 kernel/locking/spinlock.c:202 LR is at __run_timers+0x1c4/0x3e8 kernel/time/timer.c:2040 pc : [<818606b8>] lr : [<802f6574>] psr: a0000113 sp : df801e98 ip : df801ea8 fp : df801ea4 r10: 83e6a400 r9 : df801ec8 r8 : 00000122 r7 : 00000000 r6 : dddc7ac0 r5 : 00000000 r4 : 9108cddc r3 : 0000b6c5 r2 : 0008b553 r1 : 00000000 r0 : dddc7ac0 Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84361440 DAC: fffffffd Backtrace: frame pointer underflow [<81860690>] (_raw_spin_unlock_irq) from [<802f6574>] (__run_timers+0x1c4/0x3e8 kernel/time/timer.c:2040) [<802f63b0>] (__run_timers) from [<802f67cc>] (run_timer_softirq+0x34/0x48 kernel/time/timer.c:2051) r10:83e6a400 r9:00000002 r8:00000100 r7:824a835c r6:00000001 r5:8260c934 r4:824a9340 [<802f6798>] (run_timer_softirq) from [<8020133c>] (__do_softirq+0x164/0x480 kernel/softirq.c:553) r5:00000002 r4:82604084 [<802011d8>] (__do_softirq) from [<8024c944>] (invoke_softirq kernel/softirq.c:427 [inline]) [<802011d8>] (__do_softirq) from [<8024c944>] (__irq_exit_rcu+0xa0/0x160 kernel/softirq.c:632) r10:76e30e60 r9:00000013 r8:00000000 r7:ec591fb0 r6:8213c684 r5:82178290 r4:83e6a400 [<8024c8a4>] (__irq_exit_rcu) from [<8024cb58>] (irq_exit+0x10/0x18 kernel/softirq.c:656) r5:82178290 r4:824b2224 [<8024cb48>] (irq_exit) from [<81853f84>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:240) [<81853f08>] (generic_handle_arch_irq) from [<81806160>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) r9:00000013 r8:824a8044 r7:83e6a400 r6:ffffffff r5:60000010 r4:76d0d3e8 [<81806144>] (call_with_stack) from [<80200eb4>] (__irq_usr+0x74/0x80 arch/arm/kernel/entry-armv.S:436) Exception stack(0xec591fb0 to 0xec591ff8) 1fa0: 01b13070 00000000 76e31ae8 00000000 1fc0: 01b13070 00000000 76e30e60 76e2fa54 00000000 00000013 76e30e60 01b14a23 1fe0: 00001f81 7e83dbc8 76d454d0 76d0d3e8 60000010 ffffffff