Title | Replies (including bot) | Last reply |
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[syzbot] Monthly net report (Nov 2023) | 5 (6) | 2023/11/28 15:05 |
[syzbot] INFO: task hung in linkwatch_event (3) | 0 (1) | 2022/11/22 17:04 |
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Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] Monthly net report (Nov 2023) | 5 (6) | 2023/11/28 15:05 |
[syzbot] INFO: task hung in linkwatch_event (3) | 0 (1) | 2022/11/22 17:04 |
INFO: task kworker/1:2:779 blocked for more than 143 seconds. Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:22144 pid:779 ppid:2 flags:0x00004000 Workqueue: events linkwatch_event Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x5a10 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 linkwatch_event+0x51/0xc0 net/core/link_watch.c:277 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 </TASK> INFO: task syz-executor.3:10480 blocked for more than 143 seconds. Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27616 pid:10480 ppid:5067 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x5a10 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 wiphy_lock include/net/cfg80211.h:5775 [inline] nl80211_pre_doit+0x713/0xb00 net/wireless/nl80211.c:16497 genl_family_rcv_msg_doit+0x1be/0x2e0 net/netlink/genetlink.c:966 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:753 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2541 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2595 __sys_sendmsg+0x117/0x1e0 net/socket.c:2624 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7febf447cae9 RSP: 002b:00007febf516b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007febf459bf80 RCX: 00007febf447cae9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005 RBP: 00007febf44c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007febf459bf80 R15: 00007ffe647d0528 </TASK> INFO: task syz-executor.3:10482 blocked for more than 144 seconds. Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:25824 pid:10482 ppid:5067 flags:0x00000006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x5a10 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 nl80211_pre_doit+0xb4/0xb00 net/wireless/nl80211.c:16424 genl_family_rcv_msg_doit+0x1be/0x2e0 net/netlink/genetlink.c:966 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:753 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2541 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2595 __sys_sendmsg+0x117/0x1e0 net/socket.c:2624 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7febf447cae9 RSP: 002b:00007febf514a0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007febf459c050 RCX: 00007febf447cae9 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007febf44c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007febf459c050 R15: 00007ffe647d0528 </TASK> INFO: task syz-executor.3:10483 blocked for more than 145 seconds. Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:28088 pid:10483 ppid:5067 flags:0x00000006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x5a10 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 nl80211_pre_doit+0xb4/0xb00 net/wireless/nl80211.c:16424 genl_family_rcv_msg_doit+0x1be/0x2e0 net/netlink/genetlink.c:966 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:753 __sys_sendto+0x255/0x340 net/socket.c:2177 __do_sys_sendto net/socket.c:2189 [inline] __se_sys_sendto net/socket.c:2185 [inline] __x64_sys_sendto+0xe0/0x1b0 net/socket.c:2185 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7febf447e7dc RSP: 002b:00007febf5127eb0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007febf5128030 RCX: 00007febf447e7dc RDX: 0000000000000024 RSI: 00007febf5128080 RDI: 0000000000000007 RBP: 0000000000000000 R08: 00007febf5127f04 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 0000000000000000 R14: 00007febf5128080 R15: 0000000000000000 </TASK> INFO: task syz-executor.5:10485 blocked for more than 145 seconds. Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:28784 pid:10485 ppid:5073 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x5a10 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 dev_ifconf+0x19d/0x380 net/core/dev_ioctl.c:67 sock_ioctl+0x38b/0x6b0 net/socket.c:1318 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f640647cae9 RSP: 002b:00007f640726a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f640659bf80 RCX: 00007f640647cae9 RDX: 0000000020000540 RSI: 0000000000008912 RDI: 0000000000000003 RBP: 00007f64064c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f640659bf80 R15: 00007fff60469438 </TASK> INFO: task syz-executor.1:10491 blocked for more than 146 seconds. Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:28736 pid:10491 ppid:5079 flags:0x00000006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x5a10 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 dev_ethtool+0x236/0x58c0 net/ethtool/ioctl.c:3090 dev_ioctl+0x29e/0x1090 net/core/dev_ioctl.c:722 sock_do_ioctl+0x198/0x270 net/socket.c:1217 sock_ioctl+0x229/0x6b0 net/socket.c:1322 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fad05a7cae9 RSP: 002b:00007fad067fd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fad05b9bf80 RCX: 00007fad05a7cae9 RDX: 0000000020000100 RSI: 0000000000008946 RDI: 0000000000000003 RBP: 00007fad05ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fad05b9bf80 R15: 00007ffd97250c48 </TASK> INFO: task syz-executor.2:10494 blocked for more than 146 seconds. Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27744 pid:10494 ppid:5085 flags:0x00000006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x5a10 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 __tun_chr_ioctl+0x4f0/0x4700 drivers/net/tun.c:3108 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fad1b27cae9 RSP: 002b:00007fad1bfe10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fad1b39bf80 RCX: 00007fad1b27cae9 RDX: 00000000200000c0 RSI: 00000000400454ca RDI: 0000000000000003 RBP: 00007fad1b2c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fad1b39bf80 R15: 00007ffec4f93268 </TASK> INFO: task syz-executor.2:10495 blocked for more than 147 seconds. Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28448 pid:10495 ppid:5085 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x5a10 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747 devinet_ioctl+0x1d3/0x1f00 net/ipv4/devinet.c:1091 inet_ioctl+0x3a6/0x3f0 net/ipv4/af_inet.c:990 packet_ioctl+0xb0/0x270 net/packet/af_packet.c:4253 sock_do_ioctl+0x113/0x270 net/socket.c:1203 sock_ioctl+0x229/0x6b0 net/socket.c:1322 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fad1b27cae9 RSP: 002b:00007fad1bfc00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fad1b39c050 RCX: 00007fad1b27cae9 RDX: 0000000020000180 RSI: 0000000000008914 RDI: 0000000000000004 RBP: 00007fad1b2c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fad1b39c050 R15: 00007ffec4f93268 </TASK> Showing all locks held in the system: 4 locks held by kworker/0:0/7: 4 locks held by kworker/0:1/8: 3 locks held by kworker/1:1/26: #0: ffff88814a9f9138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605 #1: ffffc90000c2fd80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606 #2: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667 1 lock held by khungtaskd/28: #0: ffffffff8cba7920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline] #0: ffffffff8cba7920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline] #0: ffffffff8cba7920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613 2 locks held by kworker/u4:2/38: 4 locks held by kworker/0:2/778: 3 locks held by kworker/1:2/779: #0: ffff888012c69d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605 #1: ffffc90004557d80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606 #2: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:277 2 locks held by getty/4791: #0: ffff8880291200a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900020482f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480 drivers/tty/n_tty.c:2206 4 locks held by kworker/0:4/5127: 5 locks held by kworker/0:5/5130: 4 locks held by kworker/0:6/5137: 3 locks held by kworker/0:7/5170: #0: ffff88814a9f9138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605 #1: ffffc900045b7d80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606 #2: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667 4 locks held by kworker/0:9/5172: 3 locks held by kworker/0:10/9864: 3 locks held by syz-executor.3/10480: #0: ffffffff8e692f50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1074 #1: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0xb4/0xb00 net/wireless/nl80211.c:16424 #2: ffff888034bc8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5775 [inline] #2: ffff888034bc8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x713/0xb00 net/wireless/nl80211.c:16497 2 locks held by syz-executor.3/10482: #0: ffffffff8e692f50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1074 #1: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0xb4/0xb00 net/wireless/nl80211.c:16424 2 locks held by syz-executor.3/10483: #0: ffffffff8e692f50 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1074 #1: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0xb4/0xb00 net/wireless/nl80211.c:16424 1 lock held by syz-executor.5/10485: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: dev_ifconf+0x19d/0x380 net/core/dev_ioctl.c:67 1 lock held by syz-executor.1/10491: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: dev_ethtool+0x236/0x58c0 net/ethtool/ioctl.c:3090 1 lock held by syz-executor.2/10494: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x4f0/0x4700 drivers/net/tun.c:3108 1 lock held by syz-executor.2/10495: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x1d3/0x1f00 net/ipv4/devinet.c:1091 3 locks held by kworker/0:13/10509: 1 lock held by syz-executor.0/10514: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x1a1/0x1090 net/core/dev_ioctl.c:810 1 lock held by syz-executor.3/10533: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441 1 lock held by syz-executor.5/10536: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441 1 lock held by syz-executor.1/10540: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441 1 lock held by syz-executor.2/10541: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441 1 lock held by syz-executor.3/10551: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441 1 lock held by syz-executor.5/10557: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441 1 lock held by syz-executor.1/10560: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441 1 lock held by syz-executor.2/10563: #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e5f8f28 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x36f/0xdf0 net/core/rtnetlink.c:6441 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xf87/0x1210 kernel/hung_task.c:379 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 </TASK> Sending NMI from CPU 1 to CPUs 0: bridge0: received packet on veth1_to_bridge with own address as source address (addr:62:a8:a0:ee:ee:f9, vlan:0) NMI backtrace for cpu 0 CPU: 0 PID: 9864 Comm: kworker/0:10 Not tainted 6.6.0-rc2-syzkaller-00337-gd90b0276af8f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Workqueue: wg-crypt-wg1 wg_packet_tx_worker RIP: 0010:io_serial_in+0x87/0xa0 drivers/tty/serial/8250/8250_port.c:418 Code: c7 eb fc 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 16 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 e8 1c b4 40 fd eb a6 e8 75 b4 40 fd eb e3 RSP: 0018:ffffc90000006fc8 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: ffffffff849afd70 RDI: ffffffff9255f0a0 RBP: ffffffff9255f060 R08: 0000000000000001 R09: 000000000000001f R10: 0000000000000000 R11: 205d383254202020 R12: 0000000000000000 R13: 0000000000000020 R14: fffffbfff24abe66 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007febf512800e CR3: 0000000025802000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <IRQ> serial_in drivers/tty/serial/8250/8250.h:117 [inline] serial_lsr_in drivers/tty/serial/8250/8250.h:139 [inline] wait_for_lsr+0xd7/0x180 drivers/tty/serial/8250/8250_port.c:2086 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3371 [inline] serial8250_console_write+0xce5/0x1060 drivers/tty/serial/8250/8250_port.c:3449 console_emit_next_record kernel/printk/printk.c:2910 [inline] console_flush_all+0x4eb/0xfb0 kernel/printk/printk.c:2966 console_unlock+0x10c/0x260 kernel/printk/printk.c:3035 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2307 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45 _printk+0xc8/0x100 kernel/printk/printk.c:2332 br_fdb_update+0x4a2/0x760 net/bridge/br_fdb.c:867 br_handle_frame_finish+0x731/0x1d80 net/bridge/br_input.c:138 br_nf_hook_thresh+0x2ff/0x410 net/bridge/br_netfilter_hooks.c:1048 br_nf_pre_routing_finish_ipv6+0x683/0xf20 net/bridge/br_netfilter_ipv6.c:148 NF_HOOK include/linux/netfilter.h:304 [inline] br_nf_pre_routing_ipv6+0x40e/0x870 net/bridge/br_netfilter_ipv6.c:178 br_nf_pre_routing+0x80f/0x1540 net/bridge/br_netfilter_hooks.c:508 nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline] nf_hook_bridge_pre net/bridge/br_input.c:272 [inline] br_handle_frame+0x9da/0x1700 net/bridge/br_input.c:417 __netif_receive_skb_core.constprop.0+0xa26/0x3fa0 net/core/dev.c:5417 __netif_receive_skb_one_core+0xaf/0x180 net/core/dev.c:5521 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5637 process_backlog+0x101/0x6b0 net/core/dev.c:5965 __napi_poll.constprop.0+0xb4/0x530 net/core/dev.c:6527 napi_poll net/core/dev.c:6594 [inline] net_rx_action+0x956/0xe90 net/core/dev.c:6727 __do_softirq+0x218/0x965 kernel/softirq.c:553 do_softirq kernel/softirq.c:454 [inline] do_softirq+0xaa/0xe0 kernel/softirq.c:441 </IRQ> <TASK> __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381 wg_socket_send_skb_to_peer+0x14c/0x210 drivers/net/wireguard/socket.c:184 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x1ab/0x810 drivers/net/wireguard/send.c:276 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/09/23 13:27 | upstream | d90b0276af8f | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in linkwatch_event | ||
2023/09/19 20:16 | upstream | 2cf0f7156238 | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/09/07 02:41 | upstream | 65d6e954e378 | 72324844 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in linkwatch_event | ||
2023/09/05 03:58 | upstream | 3f86ed6ec0b3 | 8bc9053e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in linkwatch_event | ||
2023/08/25 15:36 | upstream | 4f9e7fabf864 | 03d9c195 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/08/19 23:25 | upstream | 9e6c269de404 | d216d8a0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in linkwatch_event | ||
2023/08/08 17:34 | upstream | 14f9643dc90a | 3c27dfcd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/28 00:12 | upstream | 57012c57536f | 92476829 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in linkwatch_event | ||
2023/07/14 14:37 | upstream | 4b810bf037e5 | d624500f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/13 06:34 | upstream | eb26cbb1a754 | 86081196 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in linkwatch_event | ||
2023/07/04 07:48 | upstream | 24be4d0b46bb | 6e553898 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in linkwatch_event | ||
2023/07/02 21:49 | upstream | 995b406c7e97 | bfc47836 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/02 09:34 | upstream | f8566aa4f176 | bfc47836 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/06/30 23:58 | upstream | 533925cb7604 | 01298212 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in linkwatch_event | ||
2023/06/30 17:50 | upstream | e8f75c0270d9 | 01298212 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in linkwatch_event | ||
2023/06/28 12:24 | upstream | 6f612579be9d | 8064cb02 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in linkwatch_event | ||
2023/06/18 06:18 | upstream | 1b29d271614a | f3921d4d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/06/17 21:21 | upstream | 1639fae5132b | f3921d4d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | INFO: task hung in linkwatch_event | ||
2023/05/31 17:38 | upstream | afead42fdfca | 09898419 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in linkwatch_event | ||
2022/10/10 22:48 | upstream | 4899a36f91a9 | aea5da89 | .config | console log | report | info | [disk image] [vmlinux] | ci-upstream-kasan-gce | INFO: task hung in linkwatch_event | ||
2022/07/10 14:33 | upstream | b1c428b6c368 | b5765a15 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in linkwatch_event | |||
2023/08/27 20:00 | upstream | 85eb043618bb | 03d9c195 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in linkwatch_event | ||
2023/08/13 19:05 | upstream | 4c75bf7e4a0e | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in linkwatch_event | ||
2023/08/05 12:59 | upstream | 024ff300db33 | 4ffcc9ef | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in linkwatch_event | ||
2023/07/10 11:03 | upstream | 06c2afb862f9 | 668cb1fa | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in linkwatch_event | ||
2023/09/14 19:07 | net | a22730b1b4bf | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/08/11 03:30 | net | 25aa0bebba72 | da3c3ef8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/30 22:10 | net | 37e3cecb4cdf | 2a0d0f29 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/09 16:22 | net | 73c4d1b307ae | 668cb1fa | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/06 08:45 | net | 6843306689af | ba5dba36 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/04 02:08 | net | 3674fbf0451d | 6e553898 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/03 08:38 | net | 3674fbf0451d | bfc47836 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/06/30 22:54 | net | 3674fbf0451d | 01298212 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/06/24 20:25 | net | 6a940abdef31 | 09ffe269 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/11/26 13:49 | net-next | 9f1f6111fd5d | 5b429f39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/11/17 13:37 | net-next | 7c93d177d913 | cb976f63 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/10/21 06:46 | net-next | 86a0348de985 | 361b23dc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/10/08 04:14 | net-next | 48533eca606e | 5e837c76 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/08/28 20:41 | net-next | 4b151e75aa5e | 7ba13a15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/08/07 00:31 | net-next | c35e927cbe09 | 4ffcc9ef | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/27 17:45 | net-next | bc758ade6145 | 92476829 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/23 19:14 | net-next | 5c9f7b04aadf | 27cbe77f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/15 11:43 | net-next | 68af900072c1 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/10 04:01 | net-next | 6843306689af | 668cb1fa | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/07 12:32 | net-next | 6843306689af | 22ae5830 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/04 11:55 | net-next | ae230642190a | 6e553898 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/02 02:13 | net-next | ae230642190a | bfc47836 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/07/01 08:02 | net-next | ae230642190a | af3053d2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/06/29 07:12 | net-next | ae230642190a | ca69c785 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/06/25 03:03 | net-next | 3f5f118bb657 | 09ffe269 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2023/06/22 13:54 | net-next | ca4fa8743537 | 09ffe269 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | ||
2022/05/13 15:58 | net-next-old | b67fd3d9d942 | 107f6434 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in linkwatch_event | |||
2023/11/25 02:06 | linux-next | 8c9660f65153 | 5b429f39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in linkwatch_event | ||
2023/07/03 05:52 | linux-next | 296d53d8f84c | bfc47836 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in linkwatch_event | ||
2023/06/11 00:21 | linux-next | 715abedee4cd | 7086cdb9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in linkwatch_event | ||
2023/06/07 00:25 | linux-next | 715abedee4cd | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in linkwatch_event | ||
2023/06/01 07:21 | https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing | 243ff7e6a035 | babc4389 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-usb | INFO: task hung in linkwatch_event |