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[syzbot] [wireguard?] INFO: task hung in tun_chr_close (5) | 0 (1) | 2024/09/15 19:59 |
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[syzbot] [wireguard?] INFO: task hung in tun_chr_close (5) | 0 (1) | 2024/09/15 19:59 |
INFO: task syz-executor:14388 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:20992 pid:14388 tgid:14388 ppid:1 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5264 [inline] __schedule+0x1893/0x4b50 kernel/sched/core.c:6607 __schedule_loop kernel/sched/core.c:6684 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6699 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6756 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 tun_detach drivers/net/tun.c:698 [inline] tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517 __fput+0x23f/0x880 fs/file_table.c:431 task_work_run+0x24f/0x310 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa2f/0x27f0 kernel/exit.c:882 do_group_exit+0x207/0x2c0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f772437def9 RSP: 002b:00007f772465ebb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f77243f0a39 RCX: 00007f772437def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 000000000000006b R08: 00007f772465c955 R09: 00007f772465fe00 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f772465fe00 R13: 00007f77243f0a14 R14: 00000000000b816d R15: 00007f772465fe40 </TASK> INFO: task syz.0.1960:15436 blocked for more than 144 seconds. Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.1960 state:D stack:25984 pid:15436 tgid:15435 ppid:14309 flags:0x00000004 Call Trace: <TASK> context_switch kernel/sched/core.c:5264 [inline] __schedule+0x1893/0x4b50 kernel/sched/core.c:6607 __schedule_loop kernel/sched/core.c:6684 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6699 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6756 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16580 genl_family_rcv_msg_doit net/netlink/genetlink.c:1110 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xaaa/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2603 ___sys_sendmsg net/socket.c:2657 [inline] __sys_sendmsg+0x2aa/0x390 net/socket.c:2686 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff26b77def9 RSP: 002b:00007ff26c564038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff26b935f80 RCX: 00007ff26b77def9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007ff26b7f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ff26b935f80 R15: 00007ff26ba5fa28 </TASK> INFO: task syz.4.1967:15450 blocked for more than 144 seconds. Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.1967 state:D stack:27136 pid:15450 tgid:15449 ppid:14899 flags:0x00000004 Call Trace: <TASK> context_switch kernel/sched/core.c:5264 [inline] __schedule+0x1893/0x4b50 kernel/sched/core.c:6607 __schedule_loop kernel/sched/core.c:6684 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6699 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6756 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3121 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f57cbb7def9 RSP: 002b:00007f57cc8a0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f57cbd35f80 RCX: 00007f57cbb7def9 RDX: 00000000200000c0 RSI: 00000000400454ca RDI: 0000000000000005 RBP: 00007f57cbbf0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f57cbd35f80 R15: 00007f57cbe5fa28 </TASK> INFO: task syz.4.1967:15451 blocked for more than 144 seconds. Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.1967 state:D stack:26704 pid:15451 tgid:15449 ppid:14899 flags:0x00000004 Call Trace: <TASK> context_switch kernel/sched/core.c:5264 [inline] __schedule+0x1893/0x4b50 kernel/sched/core.c:6607 __schedule_loop kernel/sched/core.c:6684 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6699 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6756 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 devinet_ioctl+0x2ce/0x1aa0 net/ipv4/devinet.c:1097 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1003 sock_do_ioctl+0x158/0x460 net/socket.c:1228 sock_ioctl+0x626/0x8e0 net/socket.c:1347 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f57cbb7def9 RSP: 002b:00007f57cb5ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f57cbd36058 RCX: 00007f57cbb7def9 RDX: 0000000020000180 RSI: 0000000000008914 RDI: 0000000000000006 RBP: 00007f57cbbf0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f57cbd36058 R15: 00007f57cbe5fa28 </TASK> INFO: task syz.4.1967:15452 blocked for more than 144 seconds. Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.1967 state:D stack:25136 pid:15452 tgid:15449 ppid:14899 flags:0x00004004 Call Trace: <TASK> context_switch kernel/sched/core.c:5264 [inline] __schedule+0x1893/0x4b50 kernel/sched/core.c:6607 __schedule_loop kernel/sched/core.c:6684 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6699 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6756 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16580 genl_family_rcv_msg_doit net/netlink/genetlink.c:1110 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xaaa/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2603 ___sys_sendmsg net/socket.c:2657 [inline] __sys_sendmsg+0x2aa/0x390 net/socket.c:2686 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f57cbb7def9 RSP: 002b:00007f57cb5de038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f57cbd36130 RCX: 00007f57cbb7def9 RDX: 0000000000000000 RSI: 0000000020000900 RDI: 0000000000000009 RBP: 00007f57cbbf0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f57cbd36130 R15: 00007f57cbe5fa28 </TASK> INFO: task syz.4.1967:15453 blocked for more than 145 seconds. Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.1967 state:D stack:25984 pid:15453 tgid:15449 ppid:14899 flags:0x00000004 Call Trace: <TASK> context_switch kernel/sched/core.c:5264 [inline] __schedule+0x1893/0x4b50 kernel/sched/core.c:6607 __schedule_loop kernel/sched/core.c:6684 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6699 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6756 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16580 genl_family_rcv_msg_doit net/netlink/genetlink.c:1110 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xaaa/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2603 ___sys_sendmsg net/socket.c:2657 [inline] __sys_sendmsg+0x2aa/0x390 net/socket.c:2686 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f57cbb7def9 RSP: 002b:00007f57cb5bd038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f57cbd36208 RCX: 00007f57cbb7def9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 000000000000000b RBP: 00007f57cbbf0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f57cbd36208 R15: 00007f57cbe5fa28 </TASK> Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8e9389e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e9389e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e9389e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6701 3 locks held by kworker/u8:6/2520: #0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310 #1: ffffc90009597d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc90009597d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310 #2: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 5 locks held by kworker/u8:8/2571: 2 locks held by syslogd/4663: 2 locks held by getty/4982: #0: ffff8880322820a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 2 locks held by syz-executor/5212: 3 locks held by kworker/u8:9/5360: #0: ffff88814bf11148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88814bf11148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310 #1: ffffc900045d7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc900045d7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310 #2: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4736 2 locks held by kworker/u8:10/5361: 3 locks held by kworker/0:8/10992: #0: ffff88801ac81948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff88801ac81948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310 #1: ffffc90002fffd00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc90002fffd00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310 #2: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x99/0xfd0 net/wireless/reg.c:2480 1 lock held by syz-executor/14388: #0: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] #0: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517 1 lock held by syz.3.1947/15405: #0: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline] #0: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517 2 locks held by syz.1.1955/15425: 1 lock held by syz.1.1955/15426: #0: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1aa0 net/ipv4/devinet.c:1097 2 locks held by syz.0.1960/15436: #0: ffffffff8fd2f830 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16580 1 lock held by syz.4.1967/15450: #0: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3121 1 lock held by syz.4.1967/15451: #0: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1aa0 net/ipv4/devinet.c:1097 2 locks held by syz.4.1967/15452: #0: ffffffff8fd2f830 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16580 2 locks held by syz.4.1967/15453: #0: ffffffff8fd2f830 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1218 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x5f/0x8b0 net/wireless/nl80211.c:16580 2 locks held by syz-executor/15461: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15466: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15469: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15473: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15475: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15483: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15486: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15490: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15493: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15496: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15503: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15507: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15513: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15516: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 2 locks held by syz-executor/15521: #0: ffffffff8fcbd010 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x328/0x570 net/core/net_namespace.c:490 #1: ffffffff8fcc9b08 (rtnl_mutex){+.+.}-{3:3}, at: register_nexthop_notifier+0x84/0x290 net/ipv4/nexthop.c:3885 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xff4/0x1040 kernel/hung_task.c:379 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 1166 Comm: kworker/1:2 Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: events_power_efficient neigh_periodic_work RIP: 0010:ip_finish_output2+0x2a8/0x1390 net/ipv4/ip_output.c:208 Code: 70 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 a3 0f 00 00 8b 03 65 49 01 86 f0 00 00 00 eb 05 <e8> d3 4e 78 f7 48 8b 5c 24 10 48 81 c3 b8 03 00 00 48 89 d8 48 c1 RSP: 0018:ffffc90000a17f00 EFLAGS: 00000293 RAX: 0000000000000100 RBX: 0000000000000002 RCX: ffff8880271c3c00 RDX: 0000000000000002 RSI: ffffffff8fd8f3e0 RDI: 0000000000000002 RBP: ffffc90000a18040 R08: 0000000000000003 R09: ffffffff8a1c6f20 R10: 0000000000000002 R11: ffff8880271c3c00 R12: ffff88805318f800 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888043ee0000 FS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f317ca67d60 CR3: 000000000e734000 CR4: 00000000003506f0 Call Trace: <NMI> </NMI> <IRQ> synproxy_send_client_synack+0x8b8/0xf30 net/netfilter/nf_synproxy_core.c:484 nft_synproxy_eval_v4+0x3ca/0x610 net/netfilter/nft_synproxy.c:59 nft_synproxy_do_eval+0x362/0xa60 net/netfilter/nft_synproxy.c:141 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x418/0x6b0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x29e/0x450 include/linux/netfilter.h:312 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5662 [inline] __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5775 process_backlog+0x662/0x15b0 net/core/dev.c:6107 __napi_poll+0xcb/0x490 net/core/dev.c:6771 napi_poll net/core/dev.c:6840 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:6962 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 </IRQ> <TASK> __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 neigh_periodic_work+0xb35/0xd50 net/core/neighbour.c:1019 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/20 20:09 | upstream | baeb9a7d8b60 | 6f888b75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/20 15:22 | upstream | 2004cef11ea0 | 6f888b75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/20 11:28 | upstream | 2004cef11ea0 | 6f888b75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/20 06:01 | upstream | 2004cef11ea0 | 6f888b75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in tun_chr_close | ||
2024/09/18 11:22 | upstream | bdf56c7580d2 | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in tun_chr_close | ||
2024/09/17 23:00 | upstream | 2f27fce67173 | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/17 15:03 | upstream | a430d95c5efa | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in tun_chr_close | ||
2024/09/17 15:03 | upstream | a430d95c5efa | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in tun_chr_close | ||
2024/09/11 19:42 | upstream | 7c6a3a65ace7 | 9326a104 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in tun_chr_close | ||
2024/09/10 05:46 | upstream | bc83b4d1f086 | dd9c7e97 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in tun_chr_close | ||
2024/09/06 21:23 | upstream | 788220eee30d | ce70880a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in tun_chr_close | ||
2024/09/01 23:27 | upstream | c9f016e72b5c | 1eda0d14 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in tun_chr_close | ||
2024/08/29 02:59 | upstream | 928f79a188aa | ef3de9e8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/08/27 20:12 | upstream | 3ec3f5fc4a91 | 6c853ff9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/08/23 17:43 | upstream | 3d5f968a177d | d7d32352 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/08/10 08:37 | upstream | afdab700f65e | 6f4edef4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/08/06 03:02 | upstream | b446a2dae984 | e35c337f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in tun_chr_close | ||
2024/07/31 19:12 | upstream | e4fc196f5ba3 | 1e9c4cf3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in tun_chr_close | ||
2024/07/29 12:57 | upstream | dc1c8034e31b | 5187fc86 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/07/27 17:44 | upstream | 3a7e02c040b1 | 46eb10b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in tun_chr_close | ||
2024/07/21 12:40 | upstream | 2c9b3512402e | b88348e9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in tun_chr_close | ||
2024/07/21 07:30 | upstream | 2c9b3512402e | b88348e9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in tun_chr_close | ||
2024/07/11 23:31 | upstream | 9d9a2f29aefd | c699c2eb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/07/11 04:25 | upstream | a19ea421490d | c699c2eb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/20 23:09 | upstream | baeb9a7d8b60 | 6f888b75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in tun_chr_close | ||
2024/09/18 02:01 | upstream | 194fcd20ebcc | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in tun_chr_close | ||
2024/08/07 14:28 | upstream | d4560686726f | 7b2f2f35 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in tun_chr_close | ||
2024/09/14 11:19 | net | 36f6b72cb855 | ff60e2ca | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/13 07:49 | net | 3e705251d998 | 73e8a465 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/11 15:21 | net | d1aaaa2e0a67 | 9326a104 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/11 05:59 | net | 48aa361c5db0 | 79eef296 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/09 16:51 | net | b3c9e65eb227 | dd9c7e97 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/08/15 18:47 | net | b2ca1661c7db | e4bacdaf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/07/30 06:07 | net | 039564d2fd37 | 5187fc86 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/07/25 02:23 | net | 863ff546fb62 | b24754ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/07/23 15:49 | net | cc73bbab4b1f | 708c10c4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/07/20 21:34 | net | d7e78951a8b8 | b88348e9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/07/12 04:15 | net | 503757c80928 | eaeb5c15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/16 16:36 | net-next | 3561373114c8 | 49cf0773 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/12 15:01 | net-next | 3cfb5aa10cb7 | 60e1a995 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/09/10 03:10 | net-next | bfba7bc8b7c2 | dd9c7e97 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/08/07 16:18 | net-next | 2c14119ab8f3 | 7b2f2f35 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/07/22 11:58 | net-next | d7e78951a8b8 | f063dfd9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in tun_chr_close | ||
2024/08/01 10:08 | linux-next | 931a3b3bccc9 | 1e9c4cf3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in tun_chr_close |