INFO: task kworker/1:0:24 blocked for more than 430 seconds. Not tainted 6.12.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:24 tgid:24 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819bac54>] (__schedule) from [<819bb894>] (__schedule_loop kernel/sched/core.c:6752 [inline]) [<819bac54>] (__schedule) from [<819bb894>] (schedule+0x2c/0xfc kernel/sched/core.c:6767) r10:8260ca7c r9:00000000 r8:827174e4 r7:00000002 r6:df87dda4 r5:82e43000 r4:82e43000 [<819bb868>] (schedule) from [<819bbc48>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6824) r5:82e43000 r4:827174e0 [<819bbc30>] (schedule_preempt_disabled) from [<819be720>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<819bbc30>] (schedule_preempt_disabled) from [<819be720>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<819be438>] (__mutex_lock.constprop.0) from [<819befec>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df87de20 r4:00000000 [<819befd8>] (__mutex_lock_slowpath) from [<819bf02c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<819beff0>] (mutex_lock) from [<804adbf8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804adb90>] (_vm_unmap_aliases) from [<804b1954>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804adb90>] (_vm_unmap_aliases) from [<804b1954>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84464a40 r4:00000000 [<804b17e4>] (vfree) from [<8050fba0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:82e43000 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f011000 [<8050fb70>] (execmem_free) from [<8039c484>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfadf000 [<8039c474>] (bpf_jit_free_exec) from [<8039c864>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039c474>] (bpf_jit_free_exec) from [<8039c864>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039c7fc>] (bpf_jit_free) from [<8039d9b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:8517f354 r4:8517f000 [<8039d86c>] (bpf_prog_free_deferred) from [<802660d0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde40c0 r6:82c18200 r5:8517f354 r4:82cb6480 [<80265f1c>] (process_one_work) from [<80266cb4>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265f1c>] (process_one_work) from [<80266cb4>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:82e43000 r9:82cb64ac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0 r4:82cb6480 [<80266ac8>] (worker_thread) from [<8026fd20>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df819d48 r8:82cc8840 r7:82cb6480 r6:80266ac8 r5:82e43000 r4:82cc8600 [<8026fc1c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf87dfb0 to 0xdf87dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fc1c r4:82cc8600 INFO: task kworker/0:2:92 blocked for more than 432 seconds. Not tainted 6.12.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:92 tgid:92 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819bac54>] (__schedule) from [<819bb894>] (__schedule_loop kernel/sched/core.c:6752 [inline]) [<819bac54>] (__schedule) from [<819bb894>] (schedule+0x2c/0xfc kernel/sched/core.c:6767) r10:8260ca7c r9:00000000 r8:827174e4 r7:00000002 r6:df9c5da4 r5:83563c00 r4:83563c00 [<819bb868>] (schedule) from [<819bbc48>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6824) r5:83563c00 r4:827174e0 [<819bbc30>] (schedule_preempt_disabled) from [<819be720>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<819bbc30>] (schedule_preempt_disabled) from [<819be720>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<819be438>] (__mutex_lock.constprop.0) from [<819befec>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9c5e20 r4:00000000 [<819befd8>] (__mutex_lock_slowpath) from [<819bf02c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<819beff0>] (mutex_lock) from [<804adbf8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804adb90>] (_vm_unmap_aliases) from [<804b1954>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804adb90>] (_vm_unmap_aliases) from [<804b1954>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856d2600 r4:00000000 [<804b17e4>] (vfree) from [<8050fba0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:83563c00 r8:00800000 r7:00000000 r6:82c18000 r5:00001000 r4:7f230000 [<8050fb70>] (execmem_free) from [<8039c484>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfc6f000 [<8039c474>] (bpf_jit_free_exec) from [<8039c864>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039c474>] (bpf_jit_free_exec) from [<8039c864>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039c7fc>] (bpf_jit_free) from [<8039d9b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:844f5354 r4:844f5000 [<8039d86c>] (bpf_prog_free_deferred) from [<802660d0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:dddd00c0 r6:82c18000 r5:844f5354 r4:834eae80 [<80265f1c>] (process_one_work) from [<80266cb4>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265f1c>] (process_one_work) from [<80266cb4>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:83563c00 r9:834eaeac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0 r4:834eae80 [<80266ac8>] (worker_thread) from [<8026fd20>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df839e78 r8:834ee740 r7:834eae80 r6:80266ac8 r5:83563c00 r4:82f975c0 [<8026fc1c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf9c5fb0 to 0xdf9c5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fc1c r4:82f975c0 INFO: task kworker/1:6:3887 blocked for more than 433 seconds. Not tainted 6.12.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:6 state:D stack:0 pid:3887 tgid:3887 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<819bac54>] (__schedule) from [<819bb894>] (__schedule_loop kernel/sched/core.c:6752 [inline]) [<819bac54>] (__schedule) from [<819bb894>] (schedule+0x2c/0xfc kernel/sched/core.c:6767) r10:8260ca7c r9:00000000 r8:827174e4 r7:00000002 r6:dfc1dda4 r5:84b74800 r4:84b74800 [<819bb868>] (schedule) from [<819bbc48>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6824) r5:84b74800 r4:827174e0 [<819bbc30>] (schedule_preempt_disabled) from [<819be720>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<819bbc30>] (schedule_preempt_disabled) from [<819be720>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<819be438>] (__mutex_lock.constprop.0) from [<819befec>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:8260ca7c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc1de20 r4:00000000 [<819befd8>] (__mutex_lock_slowpath) from [<819bf02c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<819beff0>] (mutex_lock) from [<804adbf8>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2844) [<804adb90>] (_vm_unmap_aliases) from [<804b1954>] (vm_reset_perms mm/vmalloc.c:3272 [inline]) [<804adb90>] (_vm_unmap_aliases) from [<804b1954>] (vfree+0x170/0x1e4 mm/vmalloc.c:3351) r10:82c18205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855fa540 r4:00000000 [<804b17e4>] (vfree) from [<8050fba0>] (execmem_free+0x30/0x64 mm/execmem.c:69) r9:84b74800 r8:01800000 r7:00000000 r6:82c18200 r5:00001000 r4:7f22e000 [<8050fb70>] (execmem_free) from [<8039c484>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1072) r5:00001000 r4:dfb9f000 [<8039c474>] (bpf_jit_free_exec) from [<8039c864>] (bpf_jit_binary_free kernel/bpf/core.c:1118 [inline]) [<8039c474>] (bpf_jit_free_exec) from [<8039c864>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1241) [<8039c7fc>] (bpf_jit_free) from [<8039d9b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2815) r5:844f6754 r4:844f6400 [<8039d86c>] (bpf_prog_free_deferred) from [<802660d0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r7:ddde40c0 r6:82c18200 r5:844f6754 r4:84429700 [<80265f1c>] (process_one_work) from [<80266cb4>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265f1c>] (process_one_work) from [<80266cb4>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:84b74800 r9:8442972c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0 r4:84429700 [<80266ac8>] (worker_thread) from [<8026fd20>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df921e78 r8:8446ff00 r7:84429700 r6:80266ac8 r5:84b74800 r4:8441c400 [<8026fc1c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfc1dfb0 to 0xdfc1dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fc1c r4:8441c400 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<81998798>] (dump_backtrace) from [<81998894>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000113 r5:60000193 r4:8203d2fc [<8199887c>] (show_stack) from [<819b6d40>] (__dump_stack lib/dump_stack.c:94 [inline]) [<8199887c>] (show_stack) from [<819b6d40>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<819b6cd0>] (dump_stack_lvl) from [<819b6d64>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<819b6d4c>] (dump_stack) from [<81985a58>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<819858f8>] (nmi_cpu_backtrace) from [<81985ba4>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c5d0 r5:8261a88c r4:ffffffff [<81985a74>] (nmi_trigger_cpumask_backtrace) from [<802103e8>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:0001716b r8:828b6cf8 r7:8260c730 r6:00007f40 r5:8261ae48 r4:836a941c [<802103d0>] (arch_trigger_cpumask_backtrace) from [<803581a0>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]) [<802103d0>] (arch_trigger_cpumask_backtrace) from [<803581a0>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<802103d0>] (arch_trigger_cpumask_backtrace) from [<803581a0>] (watchdog+0x498/0x5b8 kernel/hung_task.c:379) [<80357d08>] (watchdog) from [<8026fd20>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:df819e58 r8:82cd0d40 r7:00000000 r6:80357d08 r5:82e51800 r4:82fa6140 [<8026fc1c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8e1fb0 to 0xdf8e1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fc1c r4:82fa6140 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 8580 Comm: kworker/u8:1 Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Workqueue: netns cleanup_net PC is at fib_table_lookup+0xcc/0x84c net/ipv4/fib_trie.c:1541 LR is at 0x7 pc : [<816c6a94>] lr : [<00000007>] psr: 60000113 sp : df805938 ip : 000000aa fp : df805994 r10: 844320c0 r9 : df805a58 r8 : ac1414aa r7 : 00000001 r6 : 00000005 r5 : 84888a14 r4 : 00000000 r3 : a3e77358 r2 : 000f9ba7 r1 : 60000113 r0 : 5b928000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 83e985c0 DAC: 00000000 Call trace: frame pointer underflow [<816c69c8>] (fib_table_lookup) from [<816569b8>] (fib_lookup include/net/ip_fib.h:388 [inline]) [<816c69c8>] (fib_table_lookup) from [<816569b8>] (ip_route_output_key_hash_rcu+0x37c/0x8a4 net/ipv4/route.c:2734) r10:00000000 r9:84739a00 r8:00000000 r7:df8059f4 r6:00000000 r5:00000000 r4:df805a58 [<8165663c>] (ip_route_output_key_hash_rcu) from [<81657828>] (ip_route_output_key_hash net/ipv4/route.c:2624 [inline]) [<8165663c>] (ip_route_output_key_hash_rcu) from [<81657828>] (__ip_route_output_key include/net/route.h:141 [inline]) [<8165663c>] (ip_route_output_key_hash_rcu) from [<81657828>] (ip_route_output_flow+0x68/0xdc net/ipv4/route.c:2852) r10:aa1414ac r9:00000001 r8:852610c0 r7:00000000 r6:84739a00 r5:00000000 r4:df805a58 [<816577c0>] (ip_route_output_flow) from [<816f3740>] (ip_route_output_key include/net/route.h:151 [inline]) [<816577c0>] (ip_route_output_flow) from [<816f3740>] (ip_route_me_harder+0x170/0x308 net/ipv4/netfilter.c:53) r7:84739a00 r6:00000000 r5:00000000 r4:85937e40 [<816f35d0>] (ip_route_me_harder) from [<815fe97c>] (synproxy_send_tcp+0xa4/0x140 net/netfilter/nf_synproxy_core.c:431) r10:852610d4 r9:aa1414ac r8:aa1414ac r7:00000008 r6:84739a00 r5:8447d500 r4:85937e40 [<815fe8d8>] (synproxy_send_tcp) from [<815ff19c>] (synproxy_send_client_synack+0x1cc/0x1f0 net/netfilter/nf_synproxy_core.c:484) r9:85937e40 r8:852610c0 r7:852607d4 r6:df805ba8 r5:859376c0 r4:00000014 [<815fefd0>] (synproxy_send_client_synack) from [<81638400>] (nft_synproxy_eval_v4 net/netfilter/nft_synproxy.c:59 [inline]) [<815fefd0>] (synproxy_send_client_synack) from [<81638400>] (nft_synproxy_do_eval+0x25c/0x2b4 net/netfilter/nft_synproxy.c:141) r10:81c63bb8 r9:852607d4 r8:84445d00 r7:8466b1d8 r6:df805c74 r5:84739a00 r4:859376c0 [<816381a4>] (nft_synproxy_do_eval) from [<81638484>] (nft_synproxy_eval+0x14/0x18 net/netfilter/nft_synproxy.c:247) r9:df805d0c r8:81c63d38 r7:81c63aa4 r6:81c63a60 r5:8466b1e0 r4:8466b1d0 [<81638470>] (nft_synproxy_eval) from [<81601c4c>] (expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]) [<81638470>] (nft_synproxy_eval) from [<81601c4c>] (nft_do_chain+0x12c/0x570 net/netfilter/nf_tables_core.c:288) [<81601b20>] (nft_do_chain) from [<8161a378>] (nft_do_chain_inet+0xac/0x120 net/netfilter/nft_chain_filter.c:161) r10:ddde50c8 r9:845c15a0 r8:df805d64 r7:859376c0 r6:845c1580 r5:00000004 r4:845c1230 [<8161a2cc>] (nft_do_chain_inet) from [<815c9900>] (nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]) [<8161a2cc>] (nft_do_chain_inet) from [<815c9900>] (nf_hook_slow+0x40/0x104 net/netfilter/core.c:626) r4:00000001 [<815c98c0>] (nf_hook_slow) from [<81659f88>] (nf_hook include/linux/netfilter.h:269 [inline]) [<815c98c0>] (nf_hook_slow) from [<81659f88>] (NF_HOOK include/linux/netfilter.h:312 [inline]) [<815c98c0>] (nf_hook_slow) from [<81659f88>] (ip_local_deliver+0xf0/0x110 net/ipv4/ip_input.c:254) r9:00000040 r8:0000000e r7:00000000 r6:84739a00 r5:8491f000 r4:859376c0 [<81659e98>] (ip_local_deliver) from [<816590e4>] (dst_input include/net/dst.h:460 [inline]) [<81659e98>] (ip_local_deliver) from [<816590e4>] (ip_rcv_finish+0x98/0xb0 net/ipv4/ip_input.c:449) r6:8491f000 r5:84739a00 r4:859376c0 [<8165904c>] (ip_rcv_finish) from [<8165a07c>] (NF_HOOK include/linux/netfilter.h:314 [inline]) [<8165904c>] (ip_rcv_finish) from [<8165a07c>] (NF_HOOK include/linux/netfilter.h:308 [inline]) [<8165904c>] (ip_rcv_finish) from [<8165a07c>] (ip_rcv+0xd4/0xe0 net/ipv4/ip_input.c:569) r7:00000000 r6:84739a00 r5:859376c0 r4:00000001 [<81659fa8>] (ip_rcv) from [<814b96cc>] (__netif_receive_skb_one_core+0x5c/0x80 net/core/dev.c:5662) r6:00000000 r5:81659fa8 r4:8491f000 [<814b9670>] (__netif_receive_skb_one_core) from [<814b9738>] (__netif_receive_skb+0x18/0x5c net/core/dev.c:5775) r5:ddde51b0 r4:859376c0 [<814b9720>] (__netif_receive_skb) from [<814b9a40>] (process_backlog+0xa0/0x17c net/core/dev.c:6107) r5:ddde51b0 r4:859376c0 [<814b99a0>] (process_backlog) from [<814ba94c>] (__napi_poll+0x34/0x240 net/core/dev.c:6771) r10:ddde50c0 r9:ddde5300 r8:df805ed0 r7:df805ecb r6:00000040 r5:ddde51b0 r4:00000001 [<814ba918>] (__napi_poll) from [<814bb1c0>] (napi_poll net/core/dev.c:6840 [inline]) [<814ba918>] (__napi_poll) from [<814bb1c0>] (net_rx_action+0x358/0x440 net/core/dev.c:6962) r9:ddde5300 r8:df805ed0 r7:0000012c r6:0001716e r5:ddde51b0 r4:00000000 [<814bae68>] (net_rx_action) from [<8024b5c0>] (handle_softirqs+0x158/0x464 kernel/softirq.c:554) r10:00000208 r9:8355b000 r8:00000101 r7:04208060 r6:00000003 r5:00000004 r4:8260408c [<8024b468>] (handle_softirqs) from [<802012d0>] (__do_softirq+0x14/0x18 kernel/softirq.c:588) r10:00000000 r9:84738000 r8:84a6aa0c r7:00000000 r6:847386a0 r5:00000001 r4:60000113 [<802012bc>] (__do_softirq) from [<80208800>] (____do_softirq+0x10/0x14 arch/arm/kernel/irq.c:77) [<802087f0>] (____do_softirq) from [<81967c50>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) [<81967c34>] (call_with_stack) from [<8020883c>] (do_softirq_own_stack+0x38/0x3c arch/arm/kernel/irq.c:82) [<80208804>] (do_softirq_own_stack) from [<8024bad8>] (do_softirq kernel/softirq.c:455 [inline]) [<80208804>] (do_softirq_own_stack) from [<8024bad8>] (do_softirq+0x5c/0x64 kernel/softirq.c:442) [<8024ba7c>] (do_softirq) from [<8024bbac>] (__local_bh_enable_ip+0xcc/0xd0 kernel/softirq.c:382) r5:00000001 r4:8355b000 [<8024bae0>] (__local_bh_enable_ip) from [<819c3f5c>] (__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]) [<8024bae0>] (__local_bh_enable_ip) from [<819c3f5c>] (_raw_spin_unlock_bh+0x34/0x38 kernel/locking/spinlock.c:210) r5:00000210 r4:84b97800 [<819c3f28>] (_raw_spin_unlock_bh) from [<8175c94c>] (spin_unlock_bh include/linux/spinlock.h:396 [inline]) [<819c3f28>] (_raw_spin_unlock_bh) from [<8175c94c>] (addrconf_ifdown+0x138/0x764 net/ipv6/addrconf.c:3912) [<8175c814>] (addrconf_ifdown) from [<81761c60>] (addrconf_notify+0x98/0x770 net/ipv6/addrconf.c:3781) r10:8355b000 r9:00000000 r8:ffffffd4 r7:00000002 r6:84738000 r5:84b97800 r4:84bdb800 [<81761bc8>] (addrconf_notify) from [<80271510>] (notifier_call_chain+0x74/0x1ac kernel/notifier.c:93) r10:8355b000 r9:00000000 r8:ffffffd4 r7:00000001 r6:827e46fc r5:827e5528 r4:81761bc8 [<8027149c>] (notifier_call_chain) from [<8027172c>] (raw_notifier_call_chain+0x20/0x28 kernel/notifier.c:461) r10:821f84ac r9:00000000 r8:84bdb800 r7:00000001 r6:84738000 r5:00000002 r4:e0461d34 [<8027170c>] (raw_notifier_call_chain) from [<814b358c>] (call_netdevice_notifiers_info+0x54/0xa0 net/core/dev.c:1996) [<814b3538>] (call_netdevice_notifiers_info) from [<814b3a28>] (call_netdevice_notifiers_extack net/core/dev.c:2034 [inline]) [<814b3538>] (call_netdevice_notifiers_info) from [<814b3a28>] (call_netdevice_notifiers net/core/dev.c:2048 [inline]) [<814b3538>] (call_netdevice_notifiers_info) from [<814b3a28>] (dev_close_many+0xfc/0x150 net/core/dev.c:1589) r6:e0461da0 r5:844e7000 r4:84bdb91c [<814b392c>] (dev_close_many) from [<814bede8>] (unregister_netdevice_many_notify+0x194/0x9c0 net/core/dev.c:11373) r9:00000001 r8:e0461da0 r7:8491c11c r6:e0461e20 r5:8516411c r4:e0461d0c [<814bec54>] (unregister_netdevice_many_notify) from [<814c028c>] (unregister_netdevice_many net/core/dev.c:11461 [inline]) [<814bec54>] (unregister_netdevice_many_notify) from [<814c028c>] (default_device_exit_batch+0x308/0x388 net/core/dev.c:11944) r10:e0461e88 r9:8473b400 r8:e0461ea8 r7:82920f00 r6:e0461e88 r5:847380e4 r4:84737fe0 [<814bff84>] (default_device_exit_batch) from [<814a34e8>] (ops_exit_list+0x64/0x68 net/core/net_namespace.c:178) r10:ffffffd8 r9:8473b400 r8:827d21c4 r7:e0461ea8 r6:827d287c r5:e0461ea8 r4:827d287c [<814a3484>] (ops_exit_list) from [<814a462c>] (cleanup_net+0x2a0/0x48c net/core/net_namespace.c:626) r7:e0461ea8 r6:827d2180 r5:827d21c4 r4:827d287c [<814a438c>] (cleanup_net) from [<802660d0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229) r10:82c1b615 r9:8355b000 r8:02000000 r7:82c0e600 r6:82c1b600 r5:827d2198 r4:843d6300 [<80265f1c>] (process_one_work) from [<80266cb4>] (process_scheduled_works kernel/workqueue.c:3310 [inline]) [<80265f1c>] (process_one_work) from [<80266cb4>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391) r10:8355b000 r9:843d632c r8:61c88647 r7:82c0e620 r6:82604d40 r5:82c0e600 r4:843d6300 [<80266ac8>] (worker_thread) from [<8026fd20>] (kthread+0x104/0x134 kernel/kthread.c:389) r10:00000000 r9:dfc75e78 r8:84ad1e80 r7:843d6300 r6:80266ac8 r5:8355b000 r4:84ad1400 [<8026fc1c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0461fb0 to 0xe0461ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fc1c r4:84ad1400