INFO: task kworker/0:4:3771 blocked for more than 430 seconds. Not tainted 6.12.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack:0 pid:3771 tgid:3771 ppid:2 flags:0x00000000 Workqueue: events drain_vmap_area_work Call trace: [<819c26f4>] (__schedule) from [<819c334c>] (__schedule_loop kernel/sched/core.c:6770 [inline]) [<819c26f4>] (__schedule) from [<819c334c>] (schedule+0x2c/0xfc kernel/sched/core.c:6785) r10:82c18015 r9:00000000 r8:82717bc8 r7:00000002 r6:dfd89e74 r5:84a7ec00 r4:84a7ec00 [<819c3320>] (schedule) from [<819c3700>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6842) r5:84a7ec00 r4:82717bc4 [<819c36e8>] (schedule_preempt_disabled) from [<819c61d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<819c36e8>] (schedule_preempt_disabled) from [<819c61d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<819c5ef0>] (__mutex_lock.constprop.0) from [<819c6aa4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c18015 r9:84a7ec00 r8:00800000 r7:dddd00c0 r6:82c18000 r5:82717bac r4:82717bc4 [<819c6a90>] (__mutex_lock_slowpath) from [<819c6ae4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<819c6aa8>] (mutex_lock) from [<804aec48>] (drain_vmap_area_work+0x18/0x38 mm/vmalloc.c:2321) [<804aec30>] (drain_vmap_area_work) from [<802660a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r5:82717bac r4:84deaf80 [<80265eec>] (process_one_work) from [<80266c84>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265eec>] (process_one_work) from [<80266c84>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:84a7ec00 r9:84deafac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:84deaf80 [<80266a98>] (worker_thread) from [<8026fd00>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df841e78 r8:84ec4500 r7:84deaf80 r6:80266a98 r5:84a7ec00 r4:84ec4480 [<8026fbfc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd89fb0 to 0xdfd89ff8) 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 r5:8026fbfc r4:84ec4480 INFO: task kworker/0:5:5651 blocked for more than 430 seconds. Not tainted 6.12.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:0 pid:5651 tgid:5651 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c26f4>] (__schedule) from [<819c334c>] (__schedule_loop kernel/sched/core.c:6770 [inline]) [<819c26f4>] (__schedule) from [<819c334c>] (schedule+0x2c/0xfc kernel/sched/core.c:6785) r10:8260cabc r9:00000000 r8:82717bc8 r7:00000002 r6:e0055da4 r5:83c6bc00 r4:83c6bc00 [<819c3320>] (schedule) from [<819c3700>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6842) r5:83c6bc00 r4:82717bc4 [<819c36e8>] (schedule_preempt_disabled) from [<819c61d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<819c36e8>] (schedule_preempt_disabled) from [<819c61d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<819c5ef0>] (__mutex_lock.constprop.0) from [<819c6aa4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0055e20 r4:00000000 [<819c6a90>] (__mutex_lock_slowpath) from [<819c6ae4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<819c6aa8>] (mutex_lock) from [<804aea38>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804ae9d0>] (_vm_unmap_aliases) from [<804b2794>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804ae9d0>] (_vm_unmap_aliases) from [<804b2794>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84221380 r4:00000000 [<804b2624>] (vfree) from [<805112c4>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:83c6bc00 r8:00800000 r7:00000000 r6:82c18000 r5:00001000 r4:7f2f2000 [<80511294>] (execmem_free) from [<8039ca94>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:eb55f000 [<8039ca84>] (bpf_jit_free_exec) from [<8039ce74>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039ca84>] (bpf_jit_free_exec) from [<8039ce74>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039ce0c>] (bpf_jit_free) from [<8039dfc8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:849e4754 r4:849e4400 [<8039de7c>] (bpf_prog_free_deferred) from [<802660a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:dddd00c0 r6:82c18000 r5:849e4754 r4:8509c000 [<80265eec>] (process_one_work) from [<80266c84>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265eec>] (process_one_work) from [<80266c84>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:83c6bc00 r9:8509c02c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:8509c000 [<80266a98>] (worker_thread) from [<8026fd00>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df841e78 r8:8568b640 r7:8509c000 r6:80266a98 r5:83c6bc00 r4:84357440 [<8026fbfc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0055fb0 to 0xe0055ff8) 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 r5:8026fbfc r4:84357440 INFO: task kworker/0:20:7041 blocked for more than 430 seconds. Not tainted 6.12.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:20 state:D stack:0 pid:7041 tgid:7041 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c26f4>] (__schedule) from [<819c334c>] (__schedule_loop kernel/sched/core.c:6770 [inline]) [<819c26f4>] (__schedule) from [<819c334c>] (schedule+0x2c/0xfc kernel/sched/core.c:6785) r10:8260cabc r9:00000000 r8:82717bc8 r7:00000002 r6:df991da4 r5:8b471800 r4:8b471800 [<819c3320>] (schedule) from [<819c3700>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6842) r5:8b471800 r4:82717bc4 [<819c36e8>] (schedule_preempt_disabled) from [<819c61d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<819c36e8>] (schedule_preempt_disabled) from [<819c61d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<819c5ef0>] (__mutex_lock.constprop.0) from [<819c6aa4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df991e20 r4:00000000 [<819c6a90>] (__mutex_lock_slowpath) from [<819c6ae4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<819c6aa8>] (mutex_lock) from [<804aea38>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804ae9d0>] (_vm_unmap_aliases) from [<804b2794>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804ae9d0>] (_vm_unmap_aliases) from [<804b2794>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856514c0 r4:00000000 [<804b2624>] (vfree) from [<805112c4>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:8b471800 r8:00800000 r7:00000000 r6:82c18000 r5:00001000 r4:7f2f4000 [<80511294>] (execmem_free) from [<8039ca94>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:eb561000 [<8039ca84>] (bpf_jit_free_exec) from [<8039ce74>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039ca84>] (bpf_jit_free_exec) from [<8039ce74>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039ce0c>] (bpf_jit_free) from [<8039dfc8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:849e5754 r4:849e5400 [<8039de7c>] (bpf_prog_free_deferred) from [<802660a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:dddd00c0 r6:82c18000 r5:849e5754 r4:85478600 [<80265eec>] (process_one_work) from [<80266c84>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265eec>] (process_one_work) from [<80266c84>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8b471800 r9:8547862c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:85478600 [<80266a98>] (worker_thread) from [<8026fd00>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:e055de78 r8:85632240 r7:85478600 r6:80266a98 r5:8b471800 r4:850fd780 [<8026fbfc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf991fb0 to 0xdf991ff8) 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 r5:8026fbfc r4:850fd780 INFO: task kworker/1:11:9423 blocked for more than 430 seconds. Not tainted 6.12.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:11 state:D stack:0 pid:9423 tgid:9423 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c26f4>] (__schedule) from [<819c334c>] (__schedule_loop kernel/sched/core.c:6770 [inline]) [<819c26f4>] (__schedule) from [<819c334c>] (schedule+0x2c/0xfc kernel/sched/core.c:6785) r10:8260cabc r9:00000000 r8:82717bc8 r7:00000002 r6:eaef1da4 r5:85296000 r4:85296000 [<819c3320>] (schedule) from [<819c3700>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6842) r5:85296000 r4:82717bc4 [<819c36e8>] (schedule_preempt_disabled) from [<819c61d8>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<819c36e8>] (schedule_preempt_disabled) from [<819c61d8>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<819c5ef0>] (__mutex_lock.constprop.0) from [<819c6aa4>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaef1e20 r4:00000000 [<819c6a90>] (__mutex_lock_slowpath) from [<819c6ae4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<819c6aa8>] (mutex_lock) from [<804aea38>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804ae9d0>] (_vm_unmap_aliases) from [<804b2794>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804ae9d0>] (_vm_unmap_aliases) from [<804b2794>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850fcb40 r4:00000000 [<804b2624>] (vfree) from [<805112c4>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:85296000 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f2f0000 [<80511294>] (execmem_free) from [<8039ca94>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:eb53f000 [<8039ca84>] (bpf_jit_free_exec) from [<8039ce74>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039ca84>] (bpf_jit_free_exec) from [<8039ce74>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039ce0c>] (bpf_jit_free) from [<8039dfc8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:84383754 r4:84383400 [<8039de7c>] (bpf_prog_free_deferred) from [<802660a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde40c0 r6:82c18200 r5:84383754 r4:84a2a300 [<80265eec>] (process_one_work) from [<80266c84>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265eec>] (process_one_work) from [<80266c84>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:85296000 r9:84a2a32c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0 r4:84a2a300 [<80266a98>] (worker_thread) from [<8026fd00>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:eae45e78 r8:852bed80 r7:84a2a300 r6:80266a98 r5:85296000 r4:84bdf7c0 [<8026fbfc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaef1fb0 to 0xeaef1ff8) 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 r5:8026fbfc r4:84bdf7c0 NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted 6.12.0-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<819a01f8>] (dump_backtrace) from [<819a02f4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000113 r5:60000193 r4:8203e950 [<819a02dc>] (show_stack) from [<819be7dc>] (__dump_stack lib/dump_stack.c:94 [inline]) [<819a02dc>] (show_stack) from [<819be7dc>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<819be76c>] (dump_stack_lvl) from [<819be800>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<819be7e8>] (dump_stack) from [<8198d4b0>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<8198d350>] (nmi_cpu_backtrace) from [<8198d5fc>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c610 r5:8261af4c r4:ffffffff [<8198d4cc>] (nmi_trigger_cpumask_backtrace) from [<80210408>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:0002375b r8:828b7cf8 r7:8260c770 r6:00007d7e r5:8261b508 r4:85970b1c [<802103f0>] (arch_trigger_cpumask_backtrace) from [<8035875c>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]) [<802103f0>] (arch_trigger_cpumask_backtrace) from [<8035875c>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<802103f0>] (arch_trigger_cpumask_backtrace) from [<8035875c>] (watchdog+0x498/0x5b8 kernel/hung_task.c:379) [<803582c4>] (watchdog) from [<8026fd00>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df819e58 r8:82ce7700 r7:00000000 r6:803582c4 r5:82ea3c00 r4:82f846c0 [<8026fbfc>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8e1fb0 to 0xdf8e1ff8) 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 r5:8026fbfc r4:82f846c0 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2899 Comm: syslogd Not tainted 6.12.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at mmioset+0x0/0xac arch/arm/lib/memset.S:20 LR is at new_sync_read fs/read_write.c:480 [inline] LR is at vfs_read+0x188/0x324 fs/read_write.c:569 pc : [<81971d20>] lr : [<8051770c>] psr: a0000013 sp : ec221ed8 ip : ec221e98 fp : ec221f64 r10: 00000001 r9 : 00000000 r8 : 0213c1d0 r7 : 00000000 r6 : 84012400 r5 : 000000ff r4 : 8344af00 r3 : 81c4a880 r2 : 00000028 r1 : 00000000 r0 : ec221f08 Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 842275c0 DAC: fffffffd Call trace: [<80517584>] (vfs_read) from [<80518318>] (ksys_read+0xc4/0xf8 fs/read_write.c:712) r10:00000003 r9:84012400 r8:8020029c r7:000000ff r6:0213c1d0 r5:8344af00 r4:8344af00 [<80518254>] (ksys_read) from [<8051835c>] (__do_sys_read fs/read_write.c:722 [inline]) [<80518254>] (ksys_read) from [<8051835c>] (sys_read+0x10/0x14 fs/read_write.c:720) r7:00000003 r6:0213c2d0 r5:76f3c5a0 r4:fffffc00 [<8051834c>] (sys_read) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xec221fa8 to 0xec221ff0) 1fa0: fffffc00 76f3c5a0 00000000 0213c1d0 000000ff 00000000 1fc0: fffffc00 76f3c5a0 0213c2d0 00000003 00000000 0213c1c8 76f0854c 76f08548 1fe0: 76f079f8 7e8eec60 76e7d2ec 76d8b2fc