INFO: task kworker/1:11:8107 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:11 state:D stack:0 pid:8107 tgid:8107 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63054>] (__schedule) from [<81a63fe8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63054>] (__schedule) from [<81a63fe8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e00e9d84 r9:00000002 r8:60070113 r7:829171a0 r6:e00e9d8c r5:862c1800 r4:862c1800 [<81a63fbc>] (schedule) from [<81a643d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:862c1800 r4:8291719c [<81a643b8>] (schedule_preempt_disabled) from [<81a66f80>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a643b8>] (schedule_preempt_disabled) from [<81a66f80>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66c30>] (__mutex_lock.constprop.0) from [<81a67728>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e00e9e08 r4:00000000 [<81a67714>] (__mutex_lock_slowpath) from [<81a67768>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a6772c>] (mutex_lock) from [<804e9e50>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9de8>] (_vm_unmap_aliases) from [<804edc30>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9de8>] (_vm_unmap_aliases) from [<804edc30>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:87d90f40 r4:00000000 [<804edac4>] (vfree) from [<80558830>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:862c1800 r7:00000000 r6:83018600 r5:00001000 r4:7f007000 [<80558800>] (execmem_free) from [<803c5e48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb93000 [<803c5e38>] (bpf_jit_free_exec) from [<803c6228>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5e38>] (bpf_jit_free_exec) from [<803c6228>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c61c0>] (bpf_jit_free) from [<803c72d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8558eb8c r4:856b3280 [<803c7190>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8558eb8c r4:856b3280 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:862c1800 r8:856b32ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:856b3280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:856b3280 r8:80278fec r7:dfcbde60 r6:856b3780 r5:862c1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe00e9fb0 to 0xe00e9ff8) 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 r5:802800e0 r4:85b1f800 INFO: task kworker/1:11:8107 is blocked on a mutex likely owned by task kworker/1:22:8197. task:kworker/1:22 state:R running task stack:0 pid:8197 tgid:8197 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63054>] (__schedule) from [<81a6441c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84ff0c00 r8:80200c04 r7:dfa11d54 r6:ffffffff r5:84ff0c00 r4:00000000 [<81a643dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfa11d20 to 0xdfa11d68) 1d20: 80b04000 ebfdf000 00000001 80239bf8 7f005000 00000001 82acb1c4 82aca5a0 1d40: 7f005000 ebfdf000 8280c9b4 dfa11d9c dfa11da0 dfa11d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9c14>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9990>] (__purge_vmap_area_lazy) from [<804e9fcc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfa11dc0 r5:dfa11e08 r4:dfa11dc0 [<804e9de8>] (_vm_unmap_aliases) from [<804edc30>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9de8>] (_vm_unmap_aliases) from [<804edc30>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:862e2700 r4:00000000 [<804edac4>] (vfree) from [<80558830>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84ff0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f003000 [<80558800>] (execmem_free) from [<803c5e48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb7f000 [<803c5e38>] (bpf_jit_free_exec) from [<803c6228>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5e38>] (bpf_jit_free_exec) from [<803c6228>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c61c0>] (bpf_jit_free) from [<803c72d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8558cf8c r4:85750e00 [<803c7190>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8558cf8c r4:85750e00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84ff0c00 r8:85750e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85750e00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85750e00 r8:80278fec r7:dfaf9e60 r6:85750c00 r5:84ff0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa11fb0 to 0xdfa11ff8) 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 r5:802800e0 r4:858ffac0 INFO: task kworker/0:17:8230 blocked for more than 436 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:17 state:D stack:0 pid:8230 tgid:8230 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63054>] (__schedule) from [<81a63fe8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63054>] (__schedule) from [<81a63fe8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfb4dd84 r9:00000002 r8:60000113 r7:829171a0 r6:dfb4dd8c r5:86173000 r4:86173000 [<81a63fbc>] (schedule) from [<81a643d0>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:86173000 r4:8291719c [<81a643b8>] (schedule_preempt_disabled) from [<81a66f80>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a643b8>] (schedule_preempt_disabled) from [<81a66f80>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66c30>] (__mutex_lock.constprop.0) from [<81a67728>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb4de08 r4:00000000 [<81a67714>] (__mutex_lock_slowpath) from [<81a67768>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a6772c>] (mutex_lock) from [<804e9e50>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9de8>] (_vm_unmap_aliases) from [<804edc30>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9de8>] (_vm_unmap_aliases) from [<804edc30>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:866241c0 r4:00000000 [<804edac4>] (vfree) from [<80558830>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:86173000 r7:00000000 r6:83018400 r5:00001000 r4:7f009000 [<80558800>] (execmem_free) from [<803c5e48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc3f000 [<803c5e38>] (bpf_jit_free_exec) from [<803c6228>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5e38>] (bpf_jit_free_exec) from [<803c6228>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c61c0>] (bpf_jit_free) from [<803c72d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8558f78c r4:858ea680 [<803c7190>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8558f78c r4:858ea680 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:86173000 r8:858ea6ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858ea680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858ea680 r8:80278fec r7:df9fde60 r6:858ead80 r5:86173000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfb4dfb0 to 0xdfb4dff8) 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 r5:802800e0 r4:85b6f740 INFO: task kworker/0:17:8230 is blocked on a mutex likely owned by task kworker/1:22:8197. task:kworker/1:22 state:R running task stack:0 pid:8197 tgid:8197 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63054>] (__schedule) from [<81a6441c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84ff0c00 r8:80200c04 r7:dfa11d54 r6:ffffffff r5:84ff0c00 r4:00000000 [<81a643dc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xdfa11d20 to 0xdfa11d68) 1d20: 82250000 ebfdf000 00000001 80239bf8 7f005000 00000001 82acb1c4 82aca5a0 1d40: 7f005000 ebfdf000 8280c9b4 dfa11d9c dfa11da0 dfa11d70 80230af0 80239c10 1d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9c14>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9990>] (__purge_vmap_area_lazy) from [<804e9fcc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfa11dc0 r5:dfa11e08 r4:dfa11dc0 [<804e9de8>] (_vm_unmap_aliases) from [<804edc30>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9de8>] (_vm_unmap_aliases) from [<804edc30>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:862e2700 r4:00000000 [<804edac4>] (vfree) from [<80558830>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84ff0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f003000 [<80558800>] (execmem_free) from [<803c5e48>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb7f000 [<803c5e38>] (bpf_jit_free_exec) from [<803c6228>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5e38>] (bpf_jit_free_exec) from [<803c6228>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c61c0>] (bpf_jit_free) from [<803c72d0>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8558cf8c r4:85750e00 [<803c7190>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8558cf8c r4:85750e00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84ff0c00 r8:85750e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85750e00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85750e00 r8:80278fec r7:dfaf9e60 r6:85750c00 r5:84ff0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa11fb0 to 0xdfa11ff8) 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 r5:802800e0 r4:858ffac0 NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 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 r6:00070113 r5:60070193 r4:8225235c [<80201b08>] (show_stack) from [<8021f924>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f924>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f8b4>] (dump_stack_lvl) from [<8021f948>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<8021f930>] (dump_stack) from [<81a4cc6c>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4cb0c>] (nmi_cpu_backtrace) from [<81a4cdb8>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4cc88>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:00025564 r6:00007f39 r5:82abf7d4 r4:8627480c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f9b8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f9b8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f9b8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f3e8>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f3e8 r7:830cfe00 r6:830cfe00 r5:8321d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:833cc700 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2822 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express PC is at check_preemption_disabled+0x0/0xfc lib/smp_processor_id.c:13 LR is at debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:58 pc : [<81a603bc>] lr : [<81a604d8>] psr: 200f0113 sp : df801958 ip : df801968 fp : df801964 r10: 84e6a580 r9 : 81e69e4c r8 : 87be90d8 r7 : 8591b000 r6 : 84d65400 r5 : a4039040 r4 : 84d656a0 r3 : a4039040 r2 : 00000000 r1 : 8225235c r0 : 82260d18 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84d9f2c0 DAC: fffffffd Call trace: frame pointer underflow [<81a604b8>] (debug_smp_processor_id) from [<817e75b4>] (xt_get_this_cpu_counter include/linux/netfilter/x_tables.h:426 [inline]) [<81a604b8>] (debug_smp_processor_id) from [<817e75b4>] (xt_get_this_cpu_counter include/linux/netfilter/x_tables.h:423 [inline]) [<81a604b8>] (debug_smp_processor_id) from [<817e75b4>] (ipt_do_table+0x510/0x800 net/ipv4/netfilter/ip_tables.c:297) [<817e70a4>] (ipt_do_table) from [<817e93a0>] (iptable_mangle_hook+0x24/0xc4 net/ipv4/netfilter/iptable_mangle.c:80) r10:84e6a594 r9:8380d100 r8:df801a94 r7:8591b000 r6:8591b000 r5:df801a94 r4:8591b000 [<817e937c>] (iptable_mangle_hook) from [<816af748>] (nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]) [<817e937c>] (iptable_mangle_hook) from [<816af748>] (nf_hook_slow+0x40/0x104 net/netfilter/core.c:623) r10:84e6a594 r9:8380d100 r8:df801a94 r7:8591b000 r6:8380d100 r5:00000000 r4:8591b000 r3:817e937c [<816af708>] (nf_hook_slow) from [<81748714>] (nf_hook include/linux/netfilter.h:273 [inline]) [<816af708>] (nf_hook_slow) from [<81748714>] (NF_HOOK_COND include/linux/netfilter.h:306 [inline]) [<816af708>] (nf_hook_slow) from [<81748714>] (ip_output+0xe4/0x104 net/ipv4/ip_output.c:438) r9:84e6a340 r8:87be9000 r7:00000000 r6:00000000 r5:85591e00 r4:8591b000 [<81748630>] (ip_output) from [<81749b28>] (dst_output include/net/dst.h:464 [inline]) [<81748630>] (ip_output) from [<81749b28>] (ip_local_out+0x40/0x44 net/ipv4/ip_output.c:131) r8:86f2fc81 r7:86f2fc80 r6:00000000 r5:85591e00 r4:8591b000 [<81749ae8>] (ip_local_out) from [<816e50a8>] (synproxy_send_tcp+0x124/0x190 net/netfilter/nf_synproxy_core.c:439) r7:86f2fc80 r6:85591e00 r5:86057000 r4:8591b000 [<816e4f84>] (synproxy_send_tcp) from [<816e548c>] (synproxy_send_client_synack+0x190/0x1e8 net/netfilter/nf_synproxy_core.c:484) r9:84e6a340 r8:84e6a354 r7:df801b80 r6:8591bb40 r5:00000014 r4:8591b000 [<816e52fc>] (synproxy_send_client_synack) from [<817209f0>] (nft_synproxy_eval_v4 net/netfilter/nft_synproxy.c:59 [inline]) [<816e52fc>] (synproxy_send_client_synack) from [<817209f0>] (nft_synproxy_do_eval+0x25c/0x2b4 net/netfilter/nft_synproxy.c:141) r10:81e63348 r9:84e6a354 r8:859d5bc0 r7:8592c3d8 r6:df801c4c r5:85591e00 r4:8591bb40 [<81720794>] (nft_synproxy_do_eval) from [<81720a74>] (nft_synproxy_eval+0x14/0x18 net/netfilter/nft_synproxy.c:247) r9:df801ce4 r8:81e634d0 r7:81e63234 r6:81e631f0 r5:8592c3e0 r4:8592c3d0 [<81720a60>] (nft_synproxy_eval) from [<816e8134>] (expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline]) [<81720a60>] (nft_synproxy_eval) from [<816e8134>] (nft_do_chain+0x12c/0x570 net/netfilter/nf_tables_core.c:285) [<816e8008>] (nft_do_chain) from [<81702038>] (nft_do_chain_inet+0xac/0x120 net/netfilter/nft_chain_filter.c:161) r10:dddd0ec8 r9:8380dba0 r8:df801d3c r7:8591bb40 r6:8380db80 r5:00000004 r4:8586c580 [<81701f8c>] (nft_do_chain_inet) from [<816af748>] (nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]) [<81701f8c>] (nft_do_chain_inet) from [<816af748>] (nf_hook_slow+0x40/0x104 net/netfilter/core.c:623) r4:00000001 [<816af708>] (nf_hook_slow) from [<8174364c>] (nf_hook include/linux/netfilter.h:273 [inline]) [<816af708>] (nf_hook_slow) from [<8174364c>] (NF_HOOK include/linux/netfilter.h:316 [inline]) [<816af708>] (nf_hook_slow) from [<8174364c>] (ip_local_deliver+0xf0/0x110 net/ipv4/ip_input.c:260) r9:00000040 r8:00000009 r7:00000000 r6:85591e00 r5:87be9000 r4:8591bb40 [<8174355c>] (ip_local_deliver) from [<817426e4>] (dst_input include/net/dst.h:474 [inline]) [<8174355c>] (ip_local_deliver) from [<817426e4>] (ip_rcv_finish+0x98/0xb0 net/ipv4/ip_input.c:453) r6:87be9000 r5:85591e00 r4:8591bb40 [<8174264c>] (ip_rcv_finish) from [<81743740>] (NF_HOOK include/linux/netfilter.h:318 [inline]) [<8174264c>] (ip_rcv_finish) from [<81743740>] (NF_HOOK include/linux/netfilter.h:312 [inline]) [<8174264c>] (ip_rcv_finish) from [<81743740>] (ip_rcv+0xd4/0xe0 net/ipv4/ip_input.c:573) r7:00000000 r6:85591e00 r5:8591bb40 r4:00000001 [<8174366c>] (ip_rcv) from [<8158f26c>] (__netif_receive_skb_one_core+0x5c/0x80 net/core/dev.c:6079) r6:00000000 r5:8174366c r4:87be9000 [<8158f210>] (__netif_receive_skb_one_core) from [<8158f2d8>] (__netif_receive_skb+0x18/0x5c net/core/dev.c:6192) r5:dddd0fb0 r4:8591bb40 [<8158f2c0>] (__netif_receive_skb) from [<8158f5e0>] (process_backlog+0xa0/0x17c net/core/dev.c:6544) r5:dddd0fb0 r4:8591bb40 [<8158f540>] (process_backlog) from [<8158fe40>] (__napi_poll+0x34/0x240 net/core/dev.c:7594) r10:00000000 r9:df801ea8 r8:00000000 r7:df801ea3 r6:00000040 r5:dddd0fb0 r4:00000001 [<8158fe0c>] (__napi_poll) from [<81590698>] (napi_poll net/core/dev.c:7657 [inline]) [<8158fe0c>] (__napi_poll) from [<81590698>] (net_rx_action+0x358/0x3ec net/core/dev.c:7784) r9:df801ea8 r8:00000000 r7:0000012c r6:5b70d000 r5:dddd0fb0 r4:ffffffff [<81590340>] (net_rx_action) from [<8025be24>] (handle_softirqs+0x140/0x458 kernel/softirq.c:622) r10:84180c00 r9:82804d40 r8:00000101 r7:00000003 r6:00000088 r5:00000004 r4:8280408c [<8025bce4>] (handle_softirqs) from [<8025c298>] (__do_softirq kernel/softirq.c:656 [inline]) [<8025bce4>] (handle_softirqs) from [<8025c298>] (invoke_softirq kernel/softirq.c:496 [inline]) [<8025bce4>] (handle_softirqs) from [<8025c298>] (__irq_exit_rcu+0x110/0x1d0 kernel/softirq.c:723) r10:82959554 r9:84180c00 r8:00000000 r7:eaf85e60 r6:82402888 r5:8243df50 r4:84180c00 [<8025c188>] (__irq_exit_rcu) from [<8025c610>] (irq_exit+0x10/0x18 kernel/softirq.c:751) r5:8243df50 r4:826c299c [<8025c600>] (irq_exit) from [<81a5f8c0>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:287) [<81a5f844>] (generic_handle_arch_irq) from [<81a2fd18>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) r9:84180c00 r8:00000000 r7:eaf85e94 r6:ffffffff r5:600f0013 r4:81a6d01c [<81a2fcfc>] (call_with_stack) from [<80200bec>] (__irq_svc+0x8c/0xbc arch/arm/kernel/entry-armv.S:228) Exception stack(0xeaf85e60 to 0xeaf85ea8) 5e60: 84241040 600f0013 00000000 00000bf0 00000001 00000000 829594b8 00000117 5e80: 00000000 00000000 82959554 eaf85ebc eaf85ec0 eaf85eb0 80a8ed48 81a6d01c 5ea0: 600f0013 ffffffff [<81a6cff4>] (_raw_spin_unlock_irqrestore) from [<80a8ed48>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6cff4>] (_raw_spin_unlock_irqrestore) from [<80a8ed48>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6cff4>] (_raw_spin_unlock_irqrestore) from [<80a8ed48>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8ed28>] (pl011_console_device_unlock) from [<802e3678>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e35f0>] (nbcon_emit_one) from [<802e3898>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:84180c00 r4:829594b8 [<802e36f0>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594b8 r8:802e36f0 r7:84bdd000 r6:84bdd000 r5:84180c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaf85fb0 to 0xeaf85ff8) 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 r5:802800e0 r4:84736ec0