INFO: task kworker/0:1:7624 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:0 pid:7624 tgid:7624 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfa15d84 r9:00000002 r8:60000113 r7:82916594 r6:dfa15d8c r5:85676000 r4:85676000 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:85676000 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa15e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c3ffc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:85676000 r7:00000000 r6:83018000 r5:00001000 r4:7f26c000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:df941000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85a6bf8c r4:85c88100 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85a6bf8c r4:85c88100 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:85676000 r8:85c8812c r7:82804d40 r6:dddced40 r5:dddced60 r4:85c88100 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85c88100 r8:8027ade4 r7:dfa99e60 r6:85c88580 r5:85676000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa15fb0 to 0xdfa15ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:860315c0 INFO: task kworker/0:1:7624 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 80d1a000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/0:8:8729 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:8 state:D stack:0 pid:8729 tgid:8729 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfaa5d84 r9:00000002 r8:60000113 r7:82916594 r6:dfaa5d8c r5:83fba400 r4:83fba400 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:83fba400 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaa5e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a51e80 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:83fba400 r7:00000000 r6:83018000 r5:00001000 r4:7f25e000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:df994000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85a6a38c r4:849ff380 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85a6a38c r4:849ff380 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:83fba400 r8:849ff3ac r7:82804d40 r6:dddced40 r5:dddced60 r4:849ff380 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:849ff380 r8:8027ade4 r7:df9fde60 r6:849ffc80 r5:83fba400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85bf5200 INFO: task kworker/0:8:8729 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 835c9000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/1:15:9519 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:15 state:D stack:0 pid:9519 tgid:9519 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfb5dd84 r9:00000002 r8:60000113 r7:82916594 r6:dfb5dd8c r5:867c3c00 r4:867c3c00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:867c3c00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb5de08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bf5780 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:867c3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f284000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfb2f000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85da838c r4:849f6400 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:85da838c r4:849f6400 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:867c3c00 r8:849f642c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:849f6400 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:849f6400 r8:8027ade4 r7:dfbd1e60 r6:849df680 r5:867c3c00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb5dfb0 to 0xdfb5dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85b55500 INFO: task kworker/1:15:9519 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/0:18:10164 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:18 state:D stack:0 pid:10164 tgid:10164 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfb09d84 r9:00000002 r8:60000113 r7:82916594 r6:dfb09d8c r5:83b40c00 r4:83b40c00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:83b40c00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb09e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85662100 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:83b40c00 r7:00000000 r6:83018000 r5:00001000 r4:7f26c000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:df83b000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85decf8c r4:849f6b80 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85decf8c r4:849f6b80 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:83b40c00 r8:849f6bac r7:82804d40 r6:dddced40 r5:dddced60 r4:849f6b80 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:849f6b80 r8:8027ade4 r7:dfb2de60 r6:85c31300 r5:83b40c00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb09fb0 to 0xdfb09ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c1ec40 INFO: task kworker/0:18:10164 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/0:26:10892 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:26 state:D stack:0 pid:10892 tgid:10892 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfb85d84 r9:00000002 r8:60000113 r7:82916594 r6:dfb85d8c r5:8422e000 r4:8422e000 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8422e000 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb85e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a51100 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8422e000 r7:00000000 r6:83018000 r5:00001000 r4:7f26e000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:df99b000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85e1b78c r4:85ea3380 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85e1b78c r4:85ea3380 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8422e000 r8:85ea33ac r7:82804d40 r6:dddced40 r5:dddced60 r4:85ea3380 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85ea3380 r8:8027ade4 r7:dfb09e60 r6:85ea3400 r5:8422e000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb85fb0 to 0xdfb85ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c36080 INFO: task kworker/0:26:10892 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/1:25:10919 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:25 state:D stack:0 pid:10919 tgid:10919 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfce9d84 r9:00000002 r8:60000113 r7:82916594 r6:dfce9d8c r5:858a3c00 r4:858a3c00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:858a3c00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfce9e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a51240 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:858a3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f270000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:df9eb000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85e1ab8c r4:85766400 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:85e1ab8c r4:85766400 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:858a3c00 r8:8576642c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766400 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766400 r8:8027ade4 r7:dfcede60 r6:85766980 r5:858a3c00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfce9fb0 to 0xdfce9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:849d8ac0 INFO: task kworker/1:25:10919 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/0:27:10939 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:27 state:D stack:0 pid:10939 tgid:10939 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfb19d84 r9:00000002 r8:60010013 r7:82916594 r6:dfb19d8c r5:858a6000 r4:858a6000 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:858a6000 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb19e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f6d280 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:858a6000 r7:00000000 r6:83018000 r5:00001000 r4:7f272000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfa0b000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85a6ab8c r4:85ea3000 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85a6ab8c r4:85ea3000 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:858a6000 r8:85ea302c r7:82804d40 r6:dddced40 r5:dddced60 r4:85ea3000 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85ea3000 r8:8027ade4 r7:dfb09e60 r6:85f21b00 r5:858a6000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb19fb0 to 0xdfb19ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c2b5c0 INFO: task kworker/0:27:10939 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/1:26:10942 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:26 state:D stack:0 pid:10942 tgid:10942 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:df9e9d84 r9:00000002 r8:60000113 r7:82916594 r6:df9e9d8c r5:858a6c00 r4:858a6c00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:858a6c00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9e9e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c2b940 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:858a6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f276000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfa1b000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85e1af8c r4:85b4e080 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:85e1af8c r4:85b4e080 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:858a6c00 r8:85b4e0ac r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85b4e080 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b4e080 r8:8027ade4 r7:dfcede60 r6:85b4e680 r5:858a6c00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9e9fb0 to 0xdf9e9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85f6d080 INFO: task kworker/1:26:10942 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/0:28:10946 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:28 state:D stack:0 pid:10946 tgid:10946 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfbf5d84 r9:00000002 r8:60000113 r7:82916594 r6:dfbf5d8c r5:8422d400 r4:8422d400 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8422d400 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbf5e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8547af80 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8422d400 r7:00000000 r6:83018000 r5:00001000 r4:7f27a000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfa55000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:8553238c r4:85ea3c00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:8553238c r4:85ea3c00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8422d400 r8:85ea3c2c r7:82804d40 r6:dddced40 r5:dddced60 r4:85ea3c00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85ea3c00 r8:8027ade4 r7:dfb09e60 r6:85ea3180 r5:8422d400 r4:00000001 [<80281e9c>] (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 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c2bb40 INFO: task kworker/0:28:10946 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 INFO: task kworker/1:27:10954 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:27 state:D stack:0 pid:10954 tgid:10954 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfc0dd84 r9:00000002 r8:60000113 r7:82916594 r6:dfc0dd8c r5:858a0c00 r4:858a0c00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:858a0c00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc0de08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bf5080 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:858a0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f278000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfa2d000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85e1bb8c r4:847fb280 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:85e1bb8c r4:847fb280 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:858a0c00 r8:847fb2ac r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:847fb280 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:847fb280 r8:8027ade4 r7:dfcede60 r6:847fb200 r5:858a0c00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc0dfb0 to 0xdfc0dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85af22c0 INFO: task kworker/1:27:10954 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:28:10958 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:28 state:D stack:0 pid:10958 tgid:10958 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfc55d84 r9:00000002 r8:60000113 r7:82916594 r6:dfc55d8c r5:858a1800 r4:858a1800 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:858a1800 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc55e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86172040 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:858a1800 r7:00000000 r6:83018200 r5:00001000 r4:7f28e000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfbb5000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85dedf8c r4:8607e000 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:85dedf8c r4:8607e000 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:858a1800 r8:8607e02c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:8607e000 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8607e000 r8:8027ade4 r7:dfcede60 r6:8607e080 r5:858a1800 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc55fb0 to 0xdfc55ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85af2800 INFO: task kworker/1:28:10958 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:29:10966 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:29 state:D stack:0 pid:10966 tgid:10966 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfc91d84 r9:00000002 r8:60000113 r7:82916594 r6:dfc91d8c r5:8564d400 r4:8564d400 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8564d400 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc91e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e15c80 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8564d400 r7:00000000 r6:83018000 r5:00001000 r4:7f27c000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfa82000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85a6af8c r4:85ea3a00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85a6af8c r4:85ea3a00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8564d400 r8:85ea3a2c r7:82804d40 r6:dddced40 r5:dddced60 r4:85ea3a00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85ea3a00 r8:8027ade4 r7:dfb09e60 r6:85b01400 r5:8564d400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc91fb0 to 0xdfc91ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:8547aa40 INFO: task kworker/0:29:10966 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:30:10977 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:30 state:D stack:0 pid:10977 tgid:10977 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfca1d84 r9:00000002 r8:60000113 r7:82916594 r6:dfca1d8c r5:85b78000 r4:85b78000 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:85b78000 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfca1e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d360c0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:85b78000 r7:00000000 r6:83018000 r5:00001000 r4:7f27e000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfac3000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:8553278c r4:85ea3b80 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:8553278c r4:85ea3b80 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:85b78000 r8:85ea3bac r7:82804d40 r6:dddced40 r5:dddced60 r4:85ea3b80 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85ea3b80 r8:8027ade4 r7:dfb09e60 r6:85b01e80 r5:85b78000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfca1fb0 to 0xdfca1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85d36a80 INFO: task kworker/0:30:10977 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:31:10988 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:31 state:D stack:0 pid:10988 tgid:10988 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfcb9d84 r9:00000002 r8:60000113 r7:82916594 r6:dfcb9d8c r5:8608bc00 r4:8608bc00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8608bc00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcb9e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85763040 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8608bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f280000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfadd000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85530f8c r4:85ea3f00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85530f8c r4:85ea3f00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8608bc00 r8:85ea3f2c r7:82804d40 r6:dddced40 r5:dddced60 r4:85ea3f00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85ea3f00 r8:8027ade4 r7:dfb09e60 r6:85b27600 r5:8608bc00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfcb9fb0 to 0xdfcb9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85d36dc0 INFO: task kworker/0:31:10988 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:32:11017 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:32 state:D stack:0 pid:11017 tgid:11017 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfc95d84 r9:00000002 r8:60000113 r7:82916594 r6:dfc95d8c r5:838ea400 r4:838ea400 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:838ea400 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc95e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c2c280 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:838ea400 r7:00000000 r6:83018000 r5:00001000 r4:7f282000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfb05000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:8553178c r4:85ea3d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:8553178c r4:85ea3d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:838ea400 r8:85ea3d2c r7:82804d40 r6:dddced40 r5:dddced60 r4:85ea3d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85ea3d00 r8:8027ade4 r7:dfb09e60 r6:85ea3c80 r5:838ea400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc95fb0 to 0xdfc95ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85cda480 INFO: task kworker/0:32:11017 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:33:11056 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:33 state:D stack:0 pid:11056 tgid:11056 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfda5d84 r9:00000002 r8:60000013 r7:82916594 r6:dfda5d8c r5:8611a400 r4:8611a400 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8611a400 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfda5e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85662f00 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8611a400 r7:00000000 r6:83018000 r5:00001000 r4:7f286000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:df947000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85dec38c r4:85ea6980 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85dec38c r4:85ea6980 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8611a400 r8:85ea69ac r7:82804d40 r6:dddced40 r5:dddced60 r4:85ea6980 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85ea6980 r8:8027ade4 r7:dfb09e60 r6:85ea6900 r5:8611a400 r4:00000001 [<80281e9c>] (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 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c98a00 INFO: task kworker/0:33:11056 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:34:11217 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:34 state:D stack:0 pid:11217 tgid:11217 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfe9dd84 r9:00000002 r8:60000013 r7:82916594 r6:dfe9dd8c r5:8608c800 r4:8608c800 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8608c800 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe9de08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86170a40 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8608c800 r7:00000000 r6:83018000 r5:00001000 r4:7f292000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfbfd000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85f4738c r4:856ebc00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85f4738c r4:856ebc00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8608c800 r8:856ebc2c r7:82804d40 r6:dddced40 r5:dddced60 r4:856ebc00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856ebc00 r8:8027ade4 r7:dfb09e60 r6:86174280 r5:8608c800 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfe9dfb0 to 0xdfe9dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:855735c0 INFO: task kworker/0:34:11217 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:35:11224 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:35 state:D stack:0 pid:11224 tgid:11224 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfea5d84 r9:00000002 r8:60000113 r7:82916594 r6:dfea5d8c r5:8581e000 r4:8581e000 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8581e000 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfea5e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bf0640 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8581e000 r7:00000000 r6:83018000 r5:00001000 r4:7f288000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:df9b0000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:8578b38c r4:86174300 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:8578b38c r4:86174300 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8581e000 r8:8617432c r7:82804d40 r6:dddced40 r5:dddced60 r4:86174300 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86174300 r8:8027ade4 r7:dfe9de60 r6:86174380 r5:8581e000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfea5fb0 to 0xdfea5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:8593ee80 INFO: task kworker/0:35:11224 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:36:11230 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:36 state:D stack:0 pid:11230 tgid:11230 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfea1d84 r9:00000002 r8:600e0113 r7:82916594 r6:dfea1d8c r5:8494b000 r4:8494b000 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8494b000 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfea1e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84865680 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8494b000 r7:00000000 r6:83018000 r5:00001000 r4:7f28a000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfb95000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:8578bb8c r4:86174400 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:8578bb8c r4:86174400 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8494b000 r8:8617442c r7:82804d40 r6:dddced40 r5:dddced60 r4:86174400 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86174400 r8:8027ade4 r7:dfe9de60 r6:86174480 r5:8494b000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfea1fb0 to 0xdfea1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85bf0f00 INFO: task kworker/0:36:11230 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:29:11231 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:29 state:D stack:0 pid:11231 tgid:11231 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfde9d84 r9:00000002 r8:60000113 r7:82916594 r6:dfde9d8c r5:8611ec00 r4:8611ec00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8611ec00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfde9e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86172800 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:8611ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f296000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfc47000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85f4778c r4:85bfac00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:85f4778c r4:85bfac00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8611ec00 r8:85bfac2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85bfac00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85bfac00 r8:8027ade4 r7:dfcede60 r6:85bfa580 r5:8611ec00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfde9fb0 to 0xdfde9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:856628c0 INFO: task kworker/1:29:11231 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:37:11235 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:37 state:D stack:0 pid:11235 tgid:11235 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfec5d84 r9:00000002 r8:60000013 r7:82916594 r6:dfec5d8c r5:8611bc00 r4:8611bc00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8611bc00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfec5e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c04940 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8611bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f28c000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba9000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:8578af8c r4:86174500 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:8578af8c r4:86174500 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8611bc00 r8:8617452c r7:82804d40 r6:dddced40 r5:dddced60 r4:86174500 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86174500 r8:8027ade4 r7:dfe9de60 r6:85bfa480 r5:8611bc00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfec5fb0 to 0xdfec5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:84865380 INFO: task kworker/0:37:11235 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:38:11257 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:38 state:D stack:0 pid:11257 tgid:11257 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:dfed9d84 r9:00000002 r8:60000013 r7:82916594 r6:dfed9d8c r5:8590e000 r4:8590e000 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8590e000 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfed9e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860f2040 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:8590e000 r7:00000000 r6:83018000 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfbed000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85f1678c r4:86530f80 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85f1678c r4:86530f80 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8590e000 r8:86530fac r7:82804d40 r6:dddced40 r5:dddced60 r4:86530f80 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86530f80 r8:8027ade4 r7:dfe9de60 r6:8596a000 r5:8590e000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfed9fb0 to 0xdfed9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:8648b680 INFO: task kworker/0:38:11257 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:40:11354 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:40 state:D stack:0 pid:11354 tgid:11354 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:e022dd84 r9:00000002 r8:60000013 r7:82916594 r6:e022dd8c r5:86750000 r4:86750000 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:86750000 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e022de08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86170c40 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018005 r8:86750000 r7:00000000 r6:83018000 r5:00001000 r4:7f294000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfc21000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85f4678c r4:860f1180 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:dddced40 r6:83018000 r5:85f4678c r4:860f1180 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:86750000 r8:860f11ac r7:82804d40 r6:dddced40 r5:dddced60 r4:860f1180 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:860f1180 r8:8027ade4 r7:dfe9de60 r6:860f1380 r5:86750000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe022dfb0 to 0xe022dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:861706c0 INFO: task kworker/0:40:11354 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:30:11363 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:30 state:D stack:0 pid:11363 tgid:11363 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:e0239d84 r9:00000002 r8:60000013 r7:82916594 r6:e0239d8c r5:8611d400 r4:8611d400 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:8611d400 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0239e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86172b80 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:8611d400 r7:00000000 r6:83018200 r5:00001000 r4:7f298000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfc57000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85defb8c r4:85c10d80 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:85defb8c r4:85c10d80 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:8611d400 r8:85c10dac r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85c10d80 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85c10d80 r8:8027ade4 r7:dfcede60 r6:85c10e00 r5:8611d400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0239fb0 to 0xe0239ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:861723c0 INFO: task kworker/1:30:11363 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:31:11365 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:31 state:D stack:0 pid:11365 tgid:11365 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d570>] (__schedule_loop kernel/sched/core.c:7043 [inline]) [<81a3c5dc>] (__schedule) from [<81a3d570>] (schedule+0x2c/0x130 kernel/sched/core.c:7058) r10:e0231d84 r9:00000002 r8:60000113 r7:82916594 r6:e0231d8c r5:86118c00 r4:86118c00 [<81a3d544>] (schedule) from [<81a3d958>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115) r5:86118c00 r4:82916590 [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a3d940>] (schedule_preempt_disabled) from [<81a40508>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a401b8>] (__mutex_lock.constprop.0) from [<81a40cb0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0231e08 r4:00000000 [<81a40c9c>] (__mutex_lock_slowpath) from [<81a40cf0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a40cb4>] (mutex_lock) from [<804e0404>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c2b380 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:86118c00 r7:00000000 r6:83018200 r5:00001000 r4:7f29a000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfcc5000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:85f4638c r4:85c10e80 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:85f4638c r4:85c10e80 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:86118c00 r8:85c10eac r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85c10e80 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85c10e80 r8:8027ade4 r7:dfcede60 r6:85c10400 r5:86118c00 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0231fb0 to 0xe0231ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:861727c0 INFO: task kworker/1:31:11365 is blocked on a mutex likely owned by task kworker/1:19:10857. task:kworker/1:19 state:R running task stack:0 pid:10857 tgid:10857 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a3c5dc>] (__schedule) from [<81a3d9a4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288) r10:8280c9b4 r9:84172400 r8:80200c04 r7:dfd21d54 r6:ffffffff r5:84172400 r4:00000000 [<81a3d964>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfd21d20 to 0xdfd21d68) 1d20: 84e8c000 eb50f000 00000001 80239bb8 7f284000 00000001 82ac8f44 82ac8320 1d40: 7f284000 eb50f000 8280c9b4 dfd21d9c dfd21da0 dfd21d70 80230af0 80239bd0 1d60: 80000113 ffffffff r5:80000113 r4:80239bd0 [<80230a8c>] (flush_tlb_kernel_range) from [<804e01c8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336) r4:82ac8f64 [<804dff44>] (__purge_vmap_area_lazy) from [<804e0580>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd21dc0 r5:dfd21e08 r4:dfd21dc0 [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vm_reset_perms mm/vmalloc.c:3343 [inline]) [<804e039c>] (_vm_unmap_aliases) from [<804e41e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3422) r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85edcdc0 r4:00000000 [<804e4078>] (vfree) from [<8054ce24>] (execmem_free+0x30/0x50 mm/execmem.c:506) r9:83018205 r8:84172400 r7:00000000 r6:83018200 r5:00001000 r4:7f290000 [<8054cdf4>] (execmem_free) from [<803c3294>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084) r5:00001000 r4:dfba1000 [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline]) [<803c3284>] (bpf_jit_free_exec) from [<803c3674>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253) [<803c360c>] (bpf_jit_free) from [<803c471c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2923) r5:86641b8c r4:85766d00 [<803c45dc>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236) r7:ddde2d40 r6:83018200 r5:86641b8c r4:85766d00 [<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline]) [<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400) r10:61c88647 r9:84172400 r8:85766d2c r7:82804d40 r6:ddde2d40 r5:ddde2d60 r4:85766d00 [<8027ade4>] (worker_thread) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85766d00 r8:8027ade4 r7:dfbd1e60 r6:85766e80 r5:84172400 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfd21fb0 to 0xdfd21ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:85c64040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:000d0013 r5:600d0093 r4:822603d4 [<80201b08>] (show_stack) from [<8021fb90>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021fb90>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021fb20>] (dump_stack_lvl) from [<8021fbb4>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<8021fb9c>] (dump_stack) from [<81a261f0>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a26090>] (nmi_cpu_backtrace) from [<81a2633c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c690 r5:8281ac94 r4:ffffffff [<81a2620c>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:82abd564 r8:82804d40 r7:000264c4 r6:00007c7a r5:8281b248 r4:8e5f350c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037d8d4>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037d8d4>] (check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037d8d4>] (watchdog+0x4d4/0x81c kernel/hung_task.c:491) [<8037d400>] (watchdog) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037d400 r7:830cf500 r6:830cf500 r5:8321ec00 r4:00000001 [<80281e9c>] (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 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:83397f40 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2842 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express 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 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603 pc : [<81a465a4>] lr : [<80a79680>] psr: 60000113 sp : eb79deb0 ip : eb79dec0 fp : eb79debc r10: 82959194 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 829590f8 r5 : 00000000 r4 : 00000001 r3 : 000014d0 r2 : 00000000 r1 : 60000113 r0 : 84044840 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 848b9640 DAC: 00000000 Call trace: [<81a4657c>] (_raw_spin_unlock_irqrestore) from [<80a79680>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a4657c>] (_raw_spin_unlock_irqrestore) from [<80a79680>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a4657c>] (_raw_spin_unlock_irqrestore) from [<80a79680>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a79660>] (pl011_console_device_unlock) from [<802e44a4>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e441c>] (nbcon_emit_one) from [<802e46c4>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:84228000 r4:829590f8 [<802e451c>] (nbcon_kthread_func) from [<80281fc8>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829590f8 r8:802e451c r7:84b76a80 r6:84b76a80 r5:84228000 r4:00000001 [<80281e9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb79dfb0 to 0xeb79dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281e9c r4:8380d980