INFO: task kworker/u4:0:28101 blocked for more than 143 seconds. Not tainted 5.1.0-rc4+ #161 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:0 D25080 28101 2 0x80000000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 tc_action_net_exit include/net/act_api.h:133 [inline] tunnel_key_exit_net+0x25/0x370 net/sched/act_tunnel_key.c:609 ops_exit_list.isra.0+0x105/0x160 net/core/net_namespace.c:156 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:552 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 INFO: task syz-executor.0:6081 blocked for more than 143 seconds. Not tainted 5.1.0-rc4+ #161 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28352 6081 4169 0x80000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 cangw_pernet_exit+0x13/0x30 net/can/gw.c:1029 ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:153 setup_net+0x400/0x740 net/core/net_namespace.c:332 copy_net_ns+0x1df/0x340 net/core/net_namespace.c:438 create_new_namespaces+0x400/0x7b0 kernel/nsproxy.c:107 unshare_nsproxy_namespaces+0xc2/0x200 kernel/nsproxy.c:206 ksys_unshare+0x440/0x980 kernel/fork.c:2549 __do_sys_unshare kernel/fork.c:2617 [inline] __se_sys_unshare kernel/fork.c:2615 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:2615 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4582f9 Code: Bad RIP value. RSP: 002b:00007fafa1a53c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004582f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fafa1a546d4 R13: 00000000004c70ec R14: 00000000004dccc0 R15: 00000000ffffffff INFO: task syz-executor.0:6091 blocked for more than 144 seconds. Not tainted 5.1.0-rc4+ #161 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D27640 6091 4169 0x80000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 exp_funnel_lock kernel/rcu/tree_exp.h:308 [inline] synchronize_rcu_expedited+0x54e/0x5b0 kernel/rcu/tree_exp.h:758 synchronize_net+0x3b/0x60 net/core/dev.c:9249 dev_deactivate_many+0x46f/0xb60 net/sched/sch_generic.c:1221 __dev_close_many+0x13d/0x300 net/core/dev.c:1466 dev_close_many+0x25b/0x6f0 net/core/dev.c:1504 rollback_registered_many+0x43b/0xfd0 net/core/dev.c:8163 unregister_netdevice_many.part.0+0x1b/0x1f0 net/core/dev.c:9294 unregister_netdevice_many+0x3b/0x50 net/core/dev.c:9293 ip_tunnel_delete_nets+0x41e/0x5f0 net/ipv4/ip_tunnel.c:1126 erspan_exit_batch_net+0x23/0x30 net/ipv4/ip_gre.c:1600 ops_exit_list.isra.0+0x105/0x160 net/core/net_namespace.c:156 setup_net+0x400/0x740 net/core/net_namespace.c:332 copy_net_ns+0x1df/0x340 net/core/net_namespace.c:438 create_new_namespaces+0x400/0x7b0 kernel/nsproxy.c:107 unshare_nsproxy_namespaces+0xc2/0x200 kernel/nsproxy.c:206 ksys_unshare+0x440/0x980 kernel/fork.c:2549 __do_sys_unshare kernel/fork.c:2617 [inline] __se_sys_unshare kernel/fork.c:2615 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:2615 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4582f9 Code: Bad RIP value. RSP: 002b:00007fafa1a11c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004582f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 RBP: 000000000073c0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fafa1a126d4 R13: 00000000004c70ec R14: 00000000004dccc0 R15: 00000000ffffffff INFO: task syz-executor.4:6126 blocked for more than 144 seconds. Not tainted 5.1.0-rc4+ #161 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D26848 6126 32118 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 sock_do_ioctl+0x254/0x300 net/socket.c:1050 sock_ioctl+0x32b/0x610 net/socket.c:1168 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4582f9 Code: Bad RIP value. RSP: 002b:00007fe194866c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004582f9 RDX: 0000000020000100 RSI: 0000001000008912 RDI: 0000000000000006 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe1948676d4 R13: 00000000004bf46a R14: 00000000004d1200 R15: 00000000ffffffff INFO: task syz-executor.2:6134 blocked for more than 145 seconds. Not tainted 5.1.0-rc4+ #161 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D25544 6134 18389 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 sock_do_ioctl+0x254/0x300 net/socket.c:1050 sock_ioctl+0x32b/0x610 net/socket.c:1168 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4582f9 Code: Bad RIP value. RSP: 002b:00007f3de63f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004582f9 RDX: 0000000020000000 RSI: 0000001000008912 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3de63f96d4 R13: 00000000004bf46a R14: 00000000004d1200 R15: 00000000ffffffff INFO: task syz-executor.2:6147 blocked for more than 145 seconds. Not tainted 5.1.0-rc4+ #161 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D26200 6147 18389 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 wiphy_register+0x1aa1/0x25f0 net/wireless/core.c:874 ieee80211_register_hw+0x1674/0x3c00 net/mac80211/main.c:1128 mac80211_hwsim_new_radio+0x2008/0x3ed0 drivers/net/wireless/mac80211_hwsim.c:2940 hwsim_new_radio_nl+0x9e3/0x1070 drivers/net/wireless/mac80211_hwsim.c:3488 genl_family_rcv_msg+0x6e1/0xd90 net/netlink/genetlink.c:602 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:627 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4582f9 Code: Bad RIP value. RSP: 002b:00007f3de63b6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004582f9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3de63b76d4 R13: 00000000004c5945 R14: 00000000004d9c30 R15: 00000000ffffffff Showing all locks held in the system: 3 locks held by ksoftirqd/0/9: 3 locks held by kworker/1:0/17: #0: 00000000dd6d9c1a ((wq_completion)events){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 00000000dd6d9c1a ((wq_completion)events){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000dd6d9c1a ((wq_completion)events){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: 00000000dd6d9c1a ((wq_completion)events){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: 00000000dd6d9c1a ((wq_completion)events){+.+.}, at: set_work_data kernel/workqueue.c:619 [inline] #0: 00000000dd6d9c1a ((wq_completion)events){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: 00000000dd6d9c1a ((wq_completion)events){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2240 #1: 000000009dac6eed (deferred_process_work){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2244 #2: 0000000036dd44be (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 1 lock held by khungtaskd/1042: #0: 00000000f6abb09a (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5061 2 locks held by getty/7504: #0: 00000000c5932f6e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000581e51fd (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7505: #0: 00000000e5e73aca (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000df5fd64a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7506: #0: 00000000a60ba16e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000e2862773 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7507: #0: 0000000091051286 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000af4b7839 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7508: #0: 00000000874fd2c1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000d96ad1f8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7509: #0: 00000000d0ce6502 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000a1e0db87 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7510: #0: 00000000caa9a88d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000094727556 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 4 locks held by kworker/u4:0/28101: #0: 0000000067aa6d45 ((wq_completion)netns){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 0000000067aa6d45 ((wq_completion)netns){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 0000000067aa6d45 ((wq_completion)netns){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: 0000000067aa6d45 ((wq_completion)netns){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: 0000000067aa6d45 ((wq_completion)netns){+.+.}, at: set_work_data kernel/workqueue.c:619 [inline] #0: 0000000067aa6d45 ((wq_completion)netns){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: 0000000067aa6d45 ((wq_completion)netns){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2240 #1: 00000000a03d4864 (net_cleanup_work){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2244 #2: 0000000087b41cc5 (pernet_ops_rwsem){++++}, at: cleanup_net+0xae/0x960 net/core/net_namespace.c:519 #3: 0000000036dd44be (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 3 locks held by kworker/1:5/32120: #0: 0000000045efeb57 ((wq_completion)ipv6_addrconf){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 0000000045efeb57 ((wq_completion)ipv6_addrconf){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 0000000045efeb57 ((wq_completion)ipv6_addrconf){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: 0000000045efeb57 ((wq_completion)ipv6_addrconf){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: 0000000045efeb57 ((wq_completion)ipv6_addrconf){+.+.}, at: set_work_data kernel/workqueue.c:619 [inline] #0: 0000000045efeb57 ((wq_completion)ipv6_addrconf){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline] #0: 0000000045efeb57 ((wq_completion)ipv6_addrconf){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2240 #1: 00000000509982fa ((addr_chk_work).work){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2244 #2: 0000000036dd44be (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 2 locks held by syz-executor.0/6081: #0: 0000000087b41cc5 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1c0/0x340 net/core/net_namespace.c:434 #1: 0000000036dd44be (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 2 locks held by syz-executor.0/6091: #0: 0000000087b41cc5 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1c0/0x340 net/core/net_namespace.c:434 #1: 0000000036dd44be (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 1 lock held by syz-executor.4/6126: #0: 0000000036dd44be (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 1 lock held by syz-executor.2/6134: #0: 0000000036dd44be (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 3 locks held by syz-executor.2/6147: #0: 00000000b1bc97f3 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 00000000de6e149c (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 00000000de6e149c (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 #2: 0000000036dd44be (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:76 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc4+ #161 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline] watchdog+0x9b7/0xec0 kernel/hung_task.c:288 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.1.0-rc4+ #161 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:is_last_frame arch/x86/kernel/unwind_frame.c:101 [inline] RIP: 0010:is_last_task_frame arch/x86/kernel/unwind_frame.c:170 [inline] RIP: 0010:unwind_next_frame.part.0+0xbd/0xa20 arch/x86/kernel/unwind_frame.c:294 Code: 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0c 06 00 00 41 f6 85 88 00 00 00 03 0f 85 68 02 00 00 4c 8d 5b 38 <48> b8 00 00 00 00 00 fc ff df 4c 89 da 48 c1 ea 03 80 3c 02 00 0f RSP: 0018:ffff8880aa276820 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffff8880aa2768f8 RCX: ffff8880aa2768a8 RDX: 1ffff1101544ed2a RSI: 0000000000000000 RDI: ffff8880aa2768f8 RBP: ffff8880aa2768d0 R08: 0000000000000001 R09: ffff8880aa276950 R10: ffff8880aa276920 R11: ffff8880aa276930 R12: 1ffff1101544ed09 R13: 0000000000000000 R14: ffff8880aa268240 R15: 00000000000005dc FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000155e000 CR3: 00000000a9b73000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287 __save_stack_trace+0x83/0x100 arch/x86/kernel/stacktrace.c:44 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/common.c:75 set_track mm/kasan/common.c:87 [inline] __kasan_slab_free+0x102/0x150 mm/kasan/common.c:459 kasan_slab_free+0xe/0x10 mm/kasan/common.c:467 __cache_free mm/slab.c:3500 [inline] kmem_cache_free+0x86/0x260 mm/slab.c:3766 __skb_ext_put+0xd9/0x210 net/core/skbuff.c:5736 __skb_ext_del+0xd7/0x2c0 net/core/skbuff.c:5707 skb_ext_del include/linux/skbuff.h:4051 [inline] nf_bridge_info_free net/bridge/br_netfilter_hooks.c:135 [inline] br_nf_dev_queue_xmit+0x377/0x14c0 net/bridge/br_netfilter_hooks.c:771 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_nf_post_routing+0x7aa/0x1250 net/bridge/br_netfilter_hooks.c:818 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbf/0x1f0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_forward_finish+0x215/0x400 net/bridge/br_forward.c:69 br_nf_hook_thresh+0x2ec/0x380 net/bridge/br_netfilter_hooks.c:1006 br_nf_forward_finish+0x2eb/0x690 net/bridge/br_netfilter_hooks.c:540 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_nf_forward_ip net/bridge/br_netfilter_hooks.c:608 [inline] br_nf_forward_ip+0x877/0x1630 net/bridge/br_netfilter_hooks.c:551 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbf/0x1f0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] __br_forward+0x393/0xb00 net/bridge/br_forward.c:113 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:129 maybe_deliver net/bridge/br_forward.c:184 [inline] maybe_deliver net/bridge/br_forward.c:172 [inline] br_flood+0x4da/0x710 net/bridge/br_forward.c:226 br_handle_frame_finish+0xf4e/0x14c0 net/bridge/br_input.c:169 br_nf_hook_thresh+0x2ec/0x380 net/bridge/br_netfilter_hooks.c:1006 br_nf_pre_routing_finish_ipv6+0x700/0xdc0 net/bridge/br_netfilter_ipv6.c:210 NF_HOOK include/linux/netfilter.h:289 [inline] br_nf_pre_routing_ipv6+0x437/0x810 net/bridge/br_netfilter_ipv6.c:240 br_nf_pre_routing+0xf2e/0x14b0 net/bridge/br_netfilter_hooks.c:482 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbf/0x1f0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_handle_frame+0x95b/0x1450 net/bridge/br_input.c:305 __netif_receive_skb_core+0xa96/0x3040 net/core/dev.c:4902 __netif_receive_skb_one_core+0xa8/0x1a0 net/core/dev.c:4971 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5085 process_backlog+0x206/0x750 net/core/dev.c:5925 napi_poll net/core/dev.c:6348 [inline] net_rx_action+0x4fa/0x1070 net/core/dev.c:6414 __do_softirq+0x266/0x95a kernel/softirq.c:293 run_ksoftirqd kernel/softirq.c:655 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:647 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352