INFO: task kworker/1:0:17618 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:17618 tgid:17618 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:ee2e1dac r5:84744800 r4:84744800 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84744800 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:ee2e1e38 r8:00000000 r7:ffffffff r6:00000000 r5:857ff9c0 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857ff9c0 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84744800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f10f000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dff43000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:857e0350 r4:857e0000 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:857e0350 r4:85855f00 [<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 r9:84744800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:85855f2c r4:85855f00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:ed325e90 r8:85dd74c0 r7:85855f00 r6:8026736c r5:84744800 r4:85875900 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xee2e1fb0 to 0xee2e1ff8) 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 r4:85875900 INFO: task kworker/1:4:28865 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:28865 tgid:28865 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:eacb5dac r5:84d88000 r4:84d88000 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84d88000 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eacb5e38 r8:00000000 r7:ffffffff r6:00000000 r5:850f5e00 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850f5e00 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d88000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f03b000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:eaccb000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:857e3350 r4:857e3000 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:857e3350 r4:850cb880 [<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 r9:84d88000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:850cb8ac r4:850cb880 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e078de90 r8:8585d980 r7:850cb880 r6:8026736c r5:84d88000 r4:8585d300 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeacb5fb0 to 0xeacb5ff8) 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 r5:8026e784 r4:8585d300 INFO: task kworker/1:18:11816 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:18 state:D stack:0 pid:11816 tgid:11816 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:dfd85dac r5:8512c800 r4:8512c800 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:8512c800 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfd85e38 r8:00000000 r7:ffffffff r6:00000000 r5:847ab440 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847ab440 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8512c800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0c5000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:eacb7000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8f473b50 r4:8f473800 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8f473b50 r4:85191b00 [<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 r9:8512c800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:85191b2c r4:85191b00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc49e90 r8:95241900 r7:85191b00 r6:8026736c r5:8512c800 r4:952411c0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfd85fb0 to 0xdfd85ff8) 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 r5:8026e784 r4:952411c0 INFO: task kworker/1:21:11861 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:21 state:D stack:0 pid:11861 tgid:11861 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df839dac r5:83605400 r4:83605400 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83605400 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df839e38 r8:00000000 r7:ffffffff r6:00000000 r5:87879c00 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:87879c00 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83605400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f113000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dff85000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:9489d750 r4:9489d400 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:9489d750 r4:851c4e00 [<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 r9:83605400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:851c4e2c r4:851c4e00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfeb1e90 r8:a744f280 r7:851c4e00 r6:8026736c r5:83605400 r4:85096580 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf839fb0 to 0xdf839ff8) 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 r4:85096580 INFO: task kworker/0:39:11939 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:39 state:D stack:0 pid:11939 tgid:11939 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:e0adddac r5:84d8c800 r4:84d8c800 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84d8c800 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0adde38 r8:00000000 r7:ffffffff r6:00000000 r5:a443ea40 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:a443ea40 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d8c800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f08f000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0937000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85a8bb50 r4:85a8b800 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85a8bb50 r4:85611400 [<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 r9:84d8c800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8561142c r4:85611400 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0a95e90 r8:98c2f3c0 r7:85611400 r6:8026736c r5:84d8c800 r4:98c2f240 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0addfb0 to 0xe0addff8) 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 r4:98c2f240 INFO: task kworker/0:40:11941 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:40 state:D stack:0 pid:11941 tgid:11941 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:e0ae1dac r5:84d8d400 r4:84d8d400 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84d8d400 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0ae1e38 r8:00000000 r7:ffffffff r6:00000000 r5:a443e900 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:a443e900 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84d8d400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f08d000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e092d000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85a8b750 r4:85a8b400 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85a8b750 r4:85611280 [<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 r9:84d8d400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:856112ac r4:85611280 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0adde90 r8:98c2f500 r7:85611280 r6:8026736c r5:84d8d400 r4:98c2f240 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0ae1fb0 to 0xe0ae1ff8) 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 r4:98c2f240 INFO: task kworker/0:41:11942 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:41 state:D stack:0 pid:11942 tgid:11942 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:e0b01dac r5:83ee9800 r4:83ee9800 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83ee9800 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0b01e38 r8:00000000 r7:ffffffff r6:00000000 r5:a443e680 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:a443e680 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ee9800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f089000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0915000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85a8af50 r4:85a8ac00 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85a8af50 r4:85611380 [<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 r9:83ee9800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:856113ac r4:85611380 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0ae1e90 r8:98c2f700 r7:85611380 r6:8026736c r5:83ee9800 r4:98c2f240 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0b01fb0 to 0xe0b01ff8) 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 r4:98c2f240 INFO: task kworker/0:42:11943 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:42 state:D stack:0 pid:11943 tgid:11943 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:e0b05dac r5:83eed400 r4:83eed400 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83eed400 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0b05e38 r8:00000000 r7:ffffffff r6:00000000 r5:a443e7c0 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:a443e7c0 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83eed400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f08b000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e091f000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85a8b350 r4:85a8b000 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85a8b350 r4:85611c80 [<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 r9:83eed400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85611cac r4:85611c80 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0b01e90 r8:98c2f840 r7:85611c80 r6:8026736c r5:83eed400 r4:98c2f240 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0b05fb0 to 0xe0b05ff8) 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 r5:8026e784 r4:98c2f240 INFO: task kworker/0:43:11944 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:43 state:D stack:0 pid:11944 tgid:11944 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:e0a7ddac r5:83eeec00 r4:83eeec00 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83eeec00 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0a7de38 r8:00000000 r7:ffffffff r6:00000000 r5:a443e580 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:a443e580 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83eeec00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f087000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e090f000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85a8ab50 r4:85a8a800 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85a8ab50 r4:85611e80 [<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 r9:83eeec00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85611eac r4:85611e80 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0b01e90 r8:98c2f4c0 r7:85611e80 r6:8026736c r5:83eeec00 r4:98c2f240 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0a7dfb0 to 0xe0a7dff8) 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 r4:98c2f240 INFO: task kworker/0:44:11945 blocked for more than 430 seconds. Not tainted 6.8.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:44 state:D stack:0 pid:11945 tgid:11945 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81856d84>] (__schedule) from [<818579bc>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81856d84>] (__schedule) from [<818579bc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:e0ad1dac r5:84156000 r4:84156000 [<81857990>] (schedule) from [<81857f88>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84156000 r4:8270dd74 [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81857f70>] (schedule_preempt_disabled) from [<8185a870>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185a588>] (__mutex_lock.constprop.0) from [<8185b13c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0ad1e38 r8:00000000 r7:ffffffff r6:00000000 r5:a443e300 r4:00000000 [<8185b128>] (__mutex_lock_slowpath) from [<8185b17c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b140>] (mutex_lock) from [<8048dda4>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048dd44>] (_vm_unmap_aliases) from [<80491944>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:a443e300 r4:00000000 [<804917d4>] (vfree) from [<802ea330>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84156000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f083000 [<802ea300>] (module_memfree) from [<8038898c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e08f7000 [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<8038897c>] (bpf_jit_free_exec) from [<80388b4c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388ae4>] (bpf_jit_free) from [<80389c2c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85a8a350 r4:85a8a000 [<80389ae0>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85a8a350 r4:85418000 [<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 r9:84156000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8541802c r4:85418000 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0a7de90 r8:98c2f900 r7:85418000 r6:8026736c r5:84156000 r4:98c2f240 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0ad1fb0 to 0xe0ad1ff8) 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 r4:98c2f240 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<8183592c>] (dump_backtrace) from [<81835a28>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fbd1a4 [<81835a10>] (show_stack) from [<81852f1c>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81835a10>] (show_stack) from [<81852f1c>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<81852ed4>] (dump_stack_lvl) from [<81852f40>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:00000001 [<81852f28>] (dump_stack) from [<81822d58>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81822bf8>] (nmi_cpu_backtrace) from [<81822ea4>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff [<81822d74>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:827d8cdf r8:82894eb8 r7:8260c5ec r6:00007d4e r5:8261adc8 r4:a02f602c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347cf4>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347cf4>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347cf4>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<80347868>] (watchdog) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82e67440 r7:00000000 r6:80347868 r5:82ee1800 r4:82f458c0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 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 r4:82f458c0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2798 Comm: klogd Not tainted 6.8.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express PC is at should_failslab+0x0/0x20 mm/slub.c:3746 LR is at slab_pre_alloc_hook mm/slub.c:3763 [inline] LR is at slab_alloc_node mm/slub.c:3842 [inline] LR is at __do_kmalloc_node mm/slub.c:3980 [inline] LR is at __kmalloc_node_track_caller+0xa4/0x478 mm/slub.c:4001 pc : [<804a5e20>] lr : [<804a5ee4>] psr: 60000013 sp : ebd9dca8 ip : ebd9dd08 fp : ebd9dd04 r10: 00482cc0 r9 : 00000200 r8 : 00482cc0 r7 : 83eec800 r6 : 00482cc0 r5 : 00000200 r4 : 82c02240 r3 : 00000000 r2 : 8218f5f4 r1 : 00482cc0 r0 : 82c02240 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 843b3680 DAC: 00000000 Backtrace: [<804a5e40>] (__kmalloc_node_track_caller) from [<81357a08>] (kmalloc_reserve+0x68/0xfc net/core/skbuff.c:582) r10:00482cc0 r9:00000200 r8:81359290 r7:ffffffff r6:ebd9dd43 r5:ebd9dd3c r4:00400cc0 [<813579a0>] (kmalloc_reserve) from [<81359290>] (__alloc_skb+0x90/0x15c net/core/skbuff.c:651) r10:ebd9de1c r9:00000000 r8:00400cc0 r7:82cab780 r6:00000000 r5:ffffffff r4:95398cc0 r3:ebd9dd43 [<81359200>] (__alloc_skb) from [<8136002c>] (alloc_skb include/linux/skbuff.h:1296 [inline]) [<81359200>] (__alloc_skb) from [<8136002c>] (alloc_skb_with_frags+0x40/0x170 net/core/skbuff.c:6394) r8:802a32e4 r7:ebd9ddbc r6:00000000 r5:00001000 r4:00000003 [<8135ffec>] (alloc_skb_with_frags) from [<81352694>] (sock_alloc_send_pskb+0x1f4/0x228 net/core/sock.c:2783) r10:ebd9de1c r9:00000000 r8:802a32e4 r7:ebd9ddbc r6:83eec800 r5:7fffffff r4:82e03600 r3:ebd9de1c [<813524a0>] (sock_alloc_send_pskb) from [<815f4774>] (unix_dgram_sendmsg+0x160/0x9e8 net/unix/af_unix.c:1974) r10:00000000 r9:83eec800 r8:82e03600 r7:0000003e r6:00000000 r5:8304bb80 r4:ebd9de98 [<815f4614>] (unix_dgram_sendmsg) from [<8134bce8>] (sock_sendmsg_nosec net/socket.c:730 [inline]) [<815f4614>] (unix_dgram_sendmsg) from [<8134bce8>] (__sock_sendmsg+0x44/0x78 net/socket.c:745) r10:00000121 r9:83eec800 r8:00000003 r7:8304bb80 r6:8304bb80 r5:ebd9de98 r4:00000000 [<8134bca4>] (__sock_sendmsg) from [<8134dff8>] (__sys_sendto+0x108/0x14c net/socket.c:2191) r7:8304bb80 r6:00000000 r5:00004000 r4:00000000 [<8134def0>] (__sys_sendto) from [<8134e080>] (__do_sys_send net/socket.c:2213 [inline]) [<8134def0>] (__sys_sendto) from [<8134e080>] (sys_send+0x20/0x28 net/socket.c:2210) r8:80200288 r7:00000121 r6:76fd25a0 r5:76fd25a0 r4:01db2208 [<8134e060>] (sys_send) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xebd9dfa8 to 0xebd9dff0) dfa0: 01db2208 76fd25a0 00000003 01db2358 0000003e 00004000 dfc0: 01db2208 76fd25a0 76fd25a0 00000121 00000000 00000013 76ea0e60 01db235b dfe0: 00000000 7ed2ebc8 76e28460 76e2d918