INFO: task kworker/0:2:2775 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:2775 tgid:2775 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:ebddddac r5:84100000 r4:84100000 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84100000 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:ebddde38 r8:00000000 r7:ffffffff r6:00000000 r5:84657840 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84657840 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84100000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f17b000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e08c5000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:846bdb50 r4:846bd800 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:846bdb50 r4:8421c980 [<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 r9:84100000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8421c9ac r4:8421c980 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df83de90 r8:84219dc0 r7:8421c980 r6:80267330 r5:84100000 r4:84219d40 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xebdddfb0 to 0xebdddff8) 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 r4:84219d40 INFO: task kworker/0:30:3180 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:30 state:D stack:0 pid:3180 tgid:3180 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfdc9dac r5:8457b000 r4:8457b000 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8457b000 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfdc9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84342bc0 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84342bc0 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8457b000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0e3000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfe9d000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8447e750 r4:8447e400 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8447e750 r4:8375ef00 [<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 r9:8457b000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8375ef2c r4:8375ef00 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfd61e90 r8:8456ec00 r7:8375ef00 r6:80267330 r5:8457b000 r4:8456eb40 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfdc9fb0 to 0xdfdc9ff8) 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 r4:8456eb40 INFO: task kworker/0:31:3181 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:31 state:D stack:0 pid:3181 tgid:3181 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd7c r7:00000002 r6:dfdc5dac r5:8457a400 r4:8457a400 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8457a400 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfdc5e38 r8:00000000 r7:ffffffff r6:00000000 r5:84342ac0 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84342ac0 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8457a400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f0e1000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfe91000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8447e350 r4:8447e000 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8447e350 r4:834d2880 [<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 r9:8457a400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:834d28ac r4:834d2880 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfdc9e90 r8:8456ed00 r7:834d2880 r6:80267330 r5:8457a400 r4:8456eb40 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfdc5fb0 to 0xdfdc5ff8) 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 r4:8456eb40 INFO: task kworker/1:67:3192 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:67 state:D stack:0 pid:3192 tgid:3192 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfe21dac r5:84570000 r4:84570000 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84570000 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfe21e38 r8:00000000 r7:ffffffff r6:00000000 r5:84675180 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84675180 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84570000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0d9000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfe61000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84283350 r4:84283000 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84283350 r4:84568880 [<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 r9:84570000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:845688ac r4:84568880 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe15e90 r8:84342100 r7:84568880 r6:80267330 r5:84570000 r4:83e7dcc0 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe21fb0 to 0xdfe21ff8) 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 r4:83e7dcc0 INFO: task kworker/1:70:3198 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:70 state:D stack:0 pid:3198 tgid:3198 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfe11dac r5:845f4800 r4:845f4800 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:845f4800 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfe11e38 r8:00000000 r7:ffffffff r6:00000000 r5:8456edc0 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8456edc0 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:845f4800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0d5000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfe45000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84283750 r4:84283400 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84283750 r4:84568a00 [<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 r9:845f4800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84568a2c r4:84568a00 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe21e90 r8:83e7dd80 r7:84568a00 r6:80267330 r5:845f4800 r4:8456e3c0 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe11fb0 to 0xdfe11ff8) 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 r4:8456e3c0 INFO: task kworker/1:71:3201 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:71 state:D stack:0 pid:3201 tgid:3201 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfe59dac r5:845f5400 r4:845f5400 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:845f5400 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfe59e38 r8:00000000 r7:ffffffff r6:00000000 r5:84569f80 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84569f80 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:845f5400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0d7000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfe55000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84283f50 r4:84283c00 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84283f50 r4:84568a80 [<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 r9:845f5400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84568aac r4:84568a80 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe21e90 r8:8456c1c0 r7:84568a80 r6:80267330 r5:845f5400 r4:845695c0 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe59fb0 to 0xdfe59ff8) 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 r4:845695c0 INFO: task kworker/1:72:3203 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:72 state:D stack:0 pid:3203 tgid:3203 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfe65dac r5:845f6000 r4:845f6000 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:845f6000 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfe65e38 r8:00000000 r7:ffffffff r6:00000000 r5:846752c0 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846752c0 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:845f6000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0db000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfe6d000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84282350 r4:84282000 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84282350 r4:84568b00 [<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 r9:845f6000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84568b2c r4:84568b00 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe21e90 r8:84675200 r7:84568b00 r6:80267330 r5:845f6000 r4:84675040 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe65fb0 to 0xdfe65ff8) 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 r4:84675040 INFO: task kworker/1:73:3205 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:73 state:D stack:0 pid:3205 tgid:3205 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfe71dac r5:845f6c00 r4:845f6c00 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:845f6c00 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfe71e38 r8:00000000 r7:ffffffff r6:00000000 r5:84675500 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84675500 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:845f6c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0dd000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfe7d000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84281350 r4:84281000 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84281350 r4:84568b80 [<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 r9:845f6c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84568bac r4:84568b80 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe65e90 r8:84675300 r7:84568b80 r6:80267330 r5:845f6c00 r4:84675140 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe71fb0 to 0xdfe71ff8) 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 r4:84675140 INFO: task kworker/1:74:3208 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:74 state:D stack:0 pid:3208 tgid:3208 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfddddac r5:845f0c00 r4:845f0c00 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:845f0c00 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfddde38 r8:00000000 r7:ffffffff r6:00000000 r5:846756c0 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846756c0 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:845f0c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0df000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfe89000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84280b50 r4:84280800 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84280b50 r4:84568c00 [<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 r9:845f0c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84568c2c r4:84568c00 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe71e90 r8:84675680 r7:84568c00 r6:80267330 r5:845f0c00 r4:846753c0 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfdddfb0 to 0xdfdddff8) 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 r4:846753c0 INFO: task kworker/1:75:3209 blocked for more than 430 seconds. Not tainted 6.8.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:75 state:D stack:0 pid:3209 tgid:3209 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd7c r7:00000002 r6:dfe95dac r5:845f3c00 r4:845f3c00 [<8185a1b8>] (schedule) from [<8185a7b0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:845f3c00 r4:8270dd78 [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8185a798>] (schedule_preempt_disabled) from [<8185d098>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185cdb0>] (__mutex_lock.constprop.0) from [<8185d964>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfe95e38 r8:00000000 r7:ffffffff r6:00000000 r5:84675f40 r4:00000000 [<8185d950>] (__mutex_lock_slowpath) from [<8185d9a4>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185d968>] (mutex_lock) from [<8048e094>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048e034>] (_vm_unmap_aliases) from [<80491c34>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84675f40 r4:00000000 [<80491ac4>] (vfree) from [<802ea46c>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:845f3c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0e7000 [<802ea43c>] (module_memfree) from [<80388bc4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfec1000 [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388bb4>] (bpf_jit_free_exec) from [<80388d84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388d1c>] (bpf_jit_free) from [<80389e64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84281b50 r4:84281800 [<80389d18>] (bpf_prog_free_deferred) from [<80267028>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:84281b50 r4:84568c80 [<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 r9:845f3c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84568cac r4:84568c80 [<80267330>] (worker_thread) from [<8026e84c>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfddde90 r8:84675780 r7:84568c80 r6:80267330 r5:845f3c00 r4:846753c0 [<8026e748>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe95fb0 to 0xdfe95ff8) 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 r4:846753c0 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-rc7-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<818380cc>] (dump_backtrace) from [<818381c8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fbd5bc [<818381b0>] (show_stack) from [<818556e4>] (__dump_stack lib/dump_stack.c:88 [inline]) [<818381b0>] (show_stack) from [<818556e4>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<8185569c>] (dump_stack_lvl) from [<81855708>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000001 r4:00000001 [<818556f0>] (dump_stack) from [<818254f8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81825398>] (nmi_cpu_backtrace) from [<81825644>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c494 r5:8261a7d8 r4:ffffffff [<81825514>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:00000001 r8:82895eb8 r7:8260c5ec r6:00007d6d r5:8261adc8 r4:84d9f22c [<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 r8:82cce8c0 r7:00000000 r6:80347a28 r5:82e50c00 r4:82fa5740 [<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 r4:82fa5740 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2799 Comm: klogd Not tainted 6.8.0-rc7-syzkaller #0 Hardware name: ARM-Versatile Express PC is at __run_timers+0x48/0x3e8 kernel/time/timer.c:2012 LR is at __run_timers+0x40/0x3e8 kernel/time/timer.c:2009 pc : [<802f6400>] lr : [<802f63f8>] psr: 40000113 sp : df801ea8 ip : df801eec fp : df801f1c r10: 8365a400 r9 : 00000082 r8 : 00000101 r7 : 824a835c r6 : dddc7ac0 r5 : 00000000 r4 : 82604d40 r3 : 00000000 r2 : 0001c6b0 r1 : 00000000 r0 : df801ecc Flags: nZcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84396c40 DAC: fffffffd Backtrace: frame pointer underflow [<802f63b8>] (__run_timers) from [<802f67d4>] (run_timer_softirq+0x34/0x48 kernel/time/timer.c:2051) r10:8365a400 r9:00000082 r8:00000101 r7:824a835c r6:00000001 r5:8260c934 r4:824a9340 [<802f67a0>] (run_timer_softirq) from [<8020133c>] (__do_softirq+0x164/0x480 kernel/softirq.c:553) r5:00000002 r4:82604084 [<802011d8>] (__do_softirq) from [<8024c908>] (invoke_softirq kernel/softirq.c:427 [inline]) [<802011d8>] (__do_softirq) from [<8024c908>] (__irq_exit_rcu+0xa0/0x160 kernel/softirq.c:632) r10:00000001 r9:8365a400 r8:00000000 r7:ebdb5c60 r6:8213cc7c r5:82178894 r4:8365a400 [<8024c868>] (__irq_exit_rcu) from [<8024cb1c>] (irq_exit+0x10/0x18 kernel/softirq.c:656) r5:82178894 r4:824b2224 [<8024cb0c>] (irq_exit) from [<81855fc4>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:240) [<81855f48>] (generic_handle_arch_irq) from [<81808150>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) r9:8365a400 r8:83658000 r7:ebdb5c94 r6:ffffffff r5:20000013 r4:8027b450 [<81808134>] (call_with_stack) from [<80200b84>] (__irq_svc+0x84/0xac arch/arm/kernel/entry-armv.S:221) Exception stack(0xebdb5c60 to 0xebdb5ca8) 5c60: 00000001 81fbd5bc 00000001 8365a400 00000000 dddd1600 818599b0 a3ec4f60 5c80: 83658000 8365a400 00000001 ebdb5cf4 ebdb5ca0 ebdb5cb0 818626c0 8027b450 5ca0: 20000013 ffffffff [<8027b3c4>] (finish_task_switch) from [<818599b0>] (context_switch kernel/sched/core.c:5403 [inline]) [<8027b3c4>] (finish_task_switch) from [<818599b0>] (__schedule+0x404/0xc0c kernel/sched/core.c:6727) r10:00000000 r9:836c1200 r8:e13605dc r7:a3ec4f60 r6:8365a400 r5:dddd1600 r4:83658000 [<818595ac>] (__schedule) from [<8185a1e4>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<818595ac>] (__schedule) from [<8185a1e4>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:00000000 r9:8365a400 r8:840a9e00 r7:8365a400 r6:840aaf80 r5:00000000 r4:8365a400 [<8185a1b8>] (schedule) from [<8186178c>] (schedule_timeout+0xe4/0x114 kernel/time/timer.c:2159) r5:00000000 r4:7fffffff [<818616a8>] (schedule_timeout) from [<815f1a98>] (unix_wait_for_peer+0xcc/0xd8 net/unix/af_unix.c:1459) r7:840aad00 r6:840aaf80 r5:840aad00 r4:7fffffff [<815f19cc>] (unix_wait_for_peer) from [<815f6b48>] (unix_dgram_sendmsg+0x98c/0x9d4 net/unix/af_unix.c:2063) r6:0000003e r5:83047680 r4:ebdb5e98 [<815f61bc>] (unix_dgram_sendmsg) from [<8134c9b8>] (sock_sendmsg_nosec net/socket.c:730 [inline]) [<815f61bc>] (unix_dgram_sendmsg) from [<8134c9b8>] (__sock_sendmsg+0x44/0x78 net/socket.c:745) r10:00000121 r9:8365a400 r8:00000003 r7:83047680 r6:83047680 r5:ebdb5e98 r4:00000000 [<8134c974>] (__sock_sendmsg) from [<8134ecc8>] (__sys_sendto+0x108/0x14c net/socket.c:2191) r7:83047680 r6:00000000 r5:00004000 r4:00000000 [<8134ebc0>] (__sys_sendto) from [<8134ed50>] (__do_sys_send net/socket.c:2213 [inline]) [<8134ebc0>] (__sys_sendto) from [<8134ed50>] (sys_send+0x20/0x28 net/socket.c:2210) r8:80200288 r7:00000121 r6:76f2f5a0 r5:76f2f5a0 r4:006231a8 [<8134ed30>] (sys_send) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xebdb5fa8 to 0xebdb5ff0) 5fa0: 006231a8 76f2f5a0 00000003 0062ac68 0000003e 00004000 5fc0: 006231a8 76f2f5a0 76f2f5a0 00000121 00000000 00000013 76e00e60 0062ac6b 5fe0: 00000000 7eb52bc8 76d88460 76d8d918