INFO: task kworker/0:3:1776 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/0:3 state:D stack:0 pid:1776 tgid:1776 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000013 r9:00000000 r8:82717e48 r7:00000002 r6:eafe9da4 r5:83dfbc00 r4:83dfbc00 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:83dfbc00 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafe9e20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84329dc0 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:83dfbc00 r8:00800000 r7:00000000 r6:82c18000 r5:00001000 r4:7f035000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfa1b000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:84f33754 r4:84f33400 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:dddd0000 r6:82c18000 r5:84f33754 r4:83c66580 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:83dfbc00 r9:83c665ac r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:83c66580 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df841e78 r8:83d8bd00 r7:83c66580 r6:8026771c r5:83dfbc00 r4:83d77a80 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeafe9fb0 to 0xeafe9ff8) 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 r5:80270870 r4:83d77a80 INFO: task kworker/1:9:3833 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/1:9 state:D stack:0 pid:3833 tgid:3833 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000113 r9:00000000 r8:82717e48 r7:00000002 r6:dfda5da4 r5:83468000 r4:83468000 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:83468000 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfda5e20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85044c40 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:83468000 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f03b000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfa35000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:84f43b54 r4:84f43800 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde4000 r6:82c18200 r5:84f43b54 r4:85206800 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:83468000 r9:8520682c r8:61c88647 r7:ddde4020 r6:82604d40 r5:ddde4000 r4:85206800 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfeede78 r8:84d63680 r7:85206800 r6:8026771c r5:83468000 r4:842f5740 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfda5fb0 to 0xdfda5ff8) 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 r5:80270870 r4:842f5740 INFO: task kworker/0:14:3855 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/0:14 state:D stack:0 pid:3855 tgid:3855 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000113 r9:00000000 r8:82717e48 r7:00000002 r6:dfaa1da4 r5:84b29800 r4:84b29800 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:84b29800 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaa1e20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eea600 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:84b29800 r8:00800000 r7:00000000 r6:82c18000 r5:00001000 r4:7f045000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfd2d000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:85089f54 r4:85089c00 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:dddd0000 r6:82c18000 r5:85089f54 r4:850ebd00 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:84b29800 r9:850ebd2c r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:850ebd00 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfa31e78 r8:85079280 r7:850ebd00 r6:8026771c r5:84b29800 r4:8512a700 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa1fb0 to 0xdfaa1ff8) 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 r5:80270870 r4:8512a700 INFO: task kworker/1:11:3867 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:3867 tgid:3867 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000113 r9:00000000 r8:82717e48 r7:00000002 r6:df95dda4 r5:84b28000 r4:84b28000 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:84b28000 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df95de20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8520ec00 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:84b28000 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f037000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfa23000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:84f43f54 r4:84f43c00 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde4000 r6:82c18200 r5:84f43f54 r4:85206400 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:84b28000 r9:8520642c r8:61c88647 r7:ddde4020 r6:82604d40 r5:ddde4000 r4:85206400 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfda5e78 r8:8423c2c0 r7:85206400 r6:8026771c r5:84b28000 r4:8520ebc0 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf95dfb0 to 0xdf95dff8) 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 r5:80270870 r4:8520ebc0 INFO: task kworker/1:12:3872 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/1:12 state:D stack:0 pid:3872 tgid:3872 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000013 r9:00000000 r8:82717e48 r7:00000002 r6:df9f1da4 r5:83618000 r4:83618000 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:83618000 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9f1e20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ec500 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:83618000 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f043000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfce3000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:85095f54 r4:85095c00 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde4000 r6:82c18200 r5:85095f54 r4:85206480 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:83618000 r9:852064ac r8:61c88647 r7:ddde4020 r6:82604d40 r5:ddde4000 r4:85206480 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df95de78 r8:850d86c0 r7:85206480 r6:8026771c r5:83618000 r4:83f65340 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9f1fb0 to 0xdf9f1ff8) 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 r5:80270870 r4:83f65340 INFO: task kworker/1:13:3873 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/1:13 state:D stack:0 pid:3873 tgid:3873 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000113 r9:00000000 r8:82717e48 r7:00000002 r6:df9a5da4 r5:8361e000 r4:8361e000 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:8361e000 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9a5e20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85212040 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:8361e000 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f03d000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfa7f000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:84f42f54 r4:84f42c00 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde4000 r6:82c18200 r5:84f42f54 r4:85206500 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8361e000 r9:8520652c r8:61c88647 r7:ddde4020 r6:82604d40 r5:ddde4000 r4:85206500 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df9f1e78 r8:850d88c0 r7:85206500 r6:8026771c r5:8361e000 r4:84ed1a40 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9a5fb0 to 0xdf9a5ff8) 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 r5:80270870 r4:84ed1a40 INFO: task kworker/0:17:3874 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/0:17 state:D stack:0 pid:3874 tgid:3874 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000113 r9:00000000 r8:82717e48 r7:00000002 r6:dfa05da4 r5:8361c800 r4:8361c800 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:8361c800 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa05e20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85212300 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:8361c800 r8:00800000 r7:00000000 r6:82c18000 r5:00001000 r4:7f041000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfc09000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:84f43754 r4:84f43400 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:dddd0000 r6:82c18000 r5:84f43754 r4:850eb180 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8361c800 r9:850eb1ac r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000 r4:850eb180 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfaa1e78 r8:84ffd940 r7:850eb180 r6:8026771c r5:8361c800 r4:84fcee00 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa05fb0 to 0xdfa05ff8) 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 r5:80270870 r4:84fcee00 INFO: task kworker/1:14:3879 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/1:14 state:D stack:0 pid:3879 tgid:3879 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000113 r9:00000000 r8:82717e48 r7:00000002 r6:dfbf5da4 r5:8361ec00 r4:8361ec00 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:8361ec00 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbf5e20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8520e900 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:8361ec00 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f03f000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfbd5000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:85094754 r4:85094400 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde4000 r6:82c18200 r5:85094754 r4:85206200 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8361ec00 r9:8520622c r8:61c88647 r7:ddde4020 r6:82604d40 r5:ddde4000 r4:85206200 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df9f1e78 r8:8510a200 r7:85206200 r6:8026771c r5:8361ec00 r4:85212140 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfbf5fb0 to 0xdfbf5ff8) 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 r5:80270870 r4:85212140 INFO: task kworker/1:16:3892 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/1:16 state:D stack:0 pid:3892 tgid:3892 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819c9cf8>] (__schedule) from [<819ca954>] (__schedule_loop kernel/sched/core.c:6833 [inline]) [<819c9cf8>] (__schedule) from [<819ca954>] (schedule+0x2c/0xfc kernel/sched/core.c:6848) r10:60000113 r9:00000000 r8:82717e48 r7:00000002 r6:dfccdda4 r5:83e04800 r4:83e04800 [<819ca928>] (schedule) from [<819cad08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6905) r5:83e04800 r4:82717e44 [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock_common kernel/locking/mutex.c:665 [inline]) [<819cacf0>] (schedule_preempt_disabled) from [<819cd99c>] (__mutex_lock.constprop.0+0x32c/0xb38 kernel/locking/mutex.c:735) [<819cd670>] (__mutex_lock.constprop.0) from [<819ce27c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1025) r10:8260cabc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfccde20 r4:00000000 [<819ce268>] (__mutex_lock_slowpath) from [<819ce2bc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:261) [<819ce280>] (mutex_lock) from [<804b0598>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804b0530>] (_vm_unmap_aliases) from [<804b42f4>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d637c0 r4:00000000 [<804b4184>] (vfree) from [<80512d2c>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:83e04800 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f047000 [<80512cfc>] (execmem_free) from [<8039dd20>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfd73000 [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039dd10>] (bpf_jit_free_exec) from [<8039e100>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039e098>] (bpf_jit_free) from [<8039f254>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:8508ab54 r4:8508a800 [<8039f108>] (bpf_prog_free_deferred) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde4000 r6:82c18200 r5:8508ab54 r4:85206a00 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:83e04800 r9:85206a2c r8:61c88647 r7:ddde4020 r6:82604d40 r5:ddde4000 r4:85206a00 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfbe1e78 r8:850c6780 r7:85206a00 r6:8026771c r5:83e04800 r4:850c8700 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfccdfb0 to 0xdfccdff8) 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 r5:80270870 r4:850c8700 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: [<819a7c78>] (dump_backtrace) from [<819a7d74>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000113 r5:60000193 r4:8203f890 [<819a7d5c>] (show_stack) from [<819c5ddc>] (__dump_stack lib/dump_stack.c:94 [inline]) [<819a7d5c>] (show_stack) from [<819c5ddc>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<819c5d6c>] (dump_stack_lvl) from [<819c5e00>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<819c5de8>] (dump_stack) from [<81994f30>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81994dd0>] (nmi_cpu_backtrace) from [<8199507c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c610 r5:8261af4c r4:ffffffff [<81994f4c>] (nmi_trigger_cpumask_backtrace) from [<80210408>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:00005ec2 r8:828b7ca4 r7:8260c770 r6:00007d5f r5:8261b508 r4:86478b1c [<802103f0>] (arch_trigger_cpumask_backtrace) from [<803599e4>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]) [<802103f0>] (arch_trigger_cpumask_backtrace) from [<803599e4>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<802103f0>] (arch_trigger_cpumask_backtrace) from [<803599e4>] (watchdog+0x498/0x5b8 kernel/hung_task.c:379) [<8035954c>] (watchdog) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df819e58 r8:82e9f400 r7:00000000 r6:8035954c r5:82ee8c00 r4:82f45a00 [<80270870>] (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 r5:80270870 r4:82f45a00 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2446 Comm: kworker/u9:6 Not tainted 6.12.0-syzkaller #0 Hardware name: ARM-Versatile Express Workqueue: events_unbound nsim_dev_trap_report_work PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at unlock_hrtimer_base kernel/time/hrtimer.c:1007 [inline] LR is at hrtimer_start_range_ns+0x170/0x4c0 kernel/time/hrtimer.c:1296 pc : [<819d3390>] lr : [<80305df8>] psr: 60000113 sp : df801dd0 ip : df801de0 fp : df801ddc r10: dddc7140 r9 : dddc7140 r8 : 00000000 r7 : dddc7180 r6 : dddc7180 r5 : dddc7140 r4 : 849fd968 r3 : 0000df0d r2 : 0000003e r1 : 20000113 r0 : dddc7140 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84171840 DAC: fffffffd Call trace: frame pointer underflow [<819d3368>] (_raw_spin_unlock_irqrestore) from [<80305df8>] (unlock_hrtimer_base kernel/time/hrtimer.c:1007 [inline]) [<819d3368>] (_raw_spin_unlock_irqrestore) from [<80305df8>] (hrtimer_start_range_ns+0x170/0x4c0 kernel/time/hrtimer.c:1296) [<80305c88>] (hrtimer_start_range_ns) from [<815431b8>] (qdisc_watchdog_schedule_range_ns net/sched/sch_api.c:657 [inline]) [<80305c88>] (hrtimer_start_range_ns) from [<815431b8>] (qdisc_watchdog_schedule_range_ns+0x8c/0x94 net/sched/sch_api.c:634) r10:f03b2c27 r9:00000000 r8:00000000 r7:00000000 r6:0000007e r5:5b0b91fe r4:849fd968 [<8154312c>] (qdisc_watchdog_schedule_range_ns) from [<815769cc>] (qdisc_watchdog_schedule_ns include/net/pkt_sched.h:81 [inline]) [<8154312c>] (qdisc_watchdog_schedule_range_ns) from [<815769cc>] (tbf_dequeue+0x350/0x3e0 net/sched/sch_tbf.c:310) r9:00000002 r8:00000088 r7:00000000 r6:849fd900 r5:00008d32 r4:849fd800 [<8157667c>] (tbf_dequeue) from [<8153fb88>] (dequeue_skb net/sched/sch_generic.c:293 [inline]) [<8157667c>] (tbf_dequeue) from [<8153fb88>] (qdisc_restart net/sched/sch_generic.c:398 [inline]) [<8157667c>] (tbf_dequeue) from [<8153fb88>] (__qdisc_run+0x90/0x7e8 net/sched/sch_generic.c:416) r10:00000004 r9:8361bc00 r8:849fd898 r7:82e27c00 r6:00000000 r5:dddd1040 r4:849fd800 [<8153faf8>] (__qdisc_run) from [<814beb54>] (qdisc_run include/net/pkt_sched.h:127 [inline]) [<8153faf8>] (__qdisc_run) from [<814beb54>] (qdisc_run include/net/pkt_sched.h:124 [inline]) [<8153faf8>] (__qdisc_run) from [<814beb54>] (net_tx_action+0x22c/0x398 net/core/dev.c:5332) r10:00000004 r9:8361bc00 r8:849fd898 r7:849fd85c r6:00000000 r5:dddd1040 r4:849fd800 [<814be928>] (net_tx_action) from [<8024b928>] (handle_softirqs+0x158/0x464 kernel/softirq.c:554) r10:00000004 r9:8361bc00 r8:00000101 r7:04208060 r6:00000002 r5:00000003 r4:82604088 [<8024b7d0>] (handle_softirqs) from [<8024bd90>] (__do_softirq kernel/softirq.c:588 [inline]) [<8024b7d0>] (handle_softirqs) from [<8024bd90>] (invoke_softirq kernel/softirq.c:428 [inline]) [<8024b7d0>] (handle_softirqs) from [<8024bd90>] (__irq_exit_rcu+0x110/0x1d0 kernel/softirq.c:655) r10:00000000 r9:8361bc00 r8:00000000 r7:eb7d5d58 r6:821e1a94 r5:822222a0 r4:8361bc00 [<8024bc80>] (__irq_exit_rcu) from [<8024c108>] (irq_exit+0x10/0x18 kernel/softirq.c:683) r5:822222a0 r4:824bbc1c [<8024c0f8>] (irq_exit) from [<819c679c>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:240) [<819c6720>] (generic_handle_arch_irq) from [<819770fc>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) r9:8361bc00 r8:80000113 r7:eb7d5d8c r6:ffffffff r5:20000113 r4:809fa5ec [<819770e0>] (call_with_stack) from [<80200bcc>] (__irq_svc+0x8c/0xbc arch/arm/kernel/entry-armv.S:227) Exception stack(0xeb7d5d58 to 0xeb7d5da0) 5d40: 00000000 8203f890 5d60: 00000000 00000001 dddce57c 00000006 eb7d5dd4 86980000 80000113 8290dfe0 5d80: 00000000 eb7d5dcc eb7d5d98 eb7d5da8 819c73d8 809fa5ec 20000113 ffffffff [<809fa57c>] (crng_make_state) from [<809fa740>] (_get_random_bytes+0x94/0x124 drivers/char/random.c:406) r9:86980000 r8:00000006 r7:eb7d5e14 r6:eb7d5dd4 r5:86980000 r4:00000006 [<809fa6ac>] (_get_random_bytes) from [<809fa7e0>] (get_random_bytes+0x10/0x14 drivers/char/random.c:438) r8:00000030 r7:84f06b80 r6:81b90958 r5:84f06c30 r4:851fdb40 [<809fa7d0>] (get_random_bytes) from [<80da9cec>] (eth_random_addr include/linux/etherdevice.h:238 [inline]) [<809fa7d0>] (get_random_bytes) from [<80da9cec>] (nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:755 [inline]) [<809fa7d0>] (get_random_bytes) from [<80da9cec>] (nsim_dev_trap_report drivers/net/netdevsim/dev.c:805 [inline]) [<809fa7d0>] (get_random_bytes) from [<80da9cec>] (nsim_dev_trap_report_work+0x10c/0x33c drivers/net/netdevsim/dev.c:851) [<80da9be0>] (nsim_dev_trap_report_work) from [<80266d24>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r10:82c1bc05 r9:8361bc00 r8:02400000 r7:82c0f600 r6:82c1bc00 r5:84f06b80 r4:83fe5280 [<80266b70>] (process_one_work) from [<80267908>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80266b70>] (process_one_work) from [<80267908>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8361bc00 r9:83fe52ac r8:61c88647 r7:82c0f620 r6:82604d40 r5:82c0f600 r4:83fe5280 [<8026771c>] (worker_thread) from [<80270974>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:eb79de78 r8:84010d40 r7:83fe5280 r6:8026771c r5:8361bc00 r4:84010cc0 [<80270870>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb7d5fb0 to 0xeb7d5ff8) 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 r5:80270870 r4:84010cc0