INFO: task hung in dev

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in dev_ioctl (4) net				1	1283d	1283d	0/28	auto-closed as invalid on 2021/08/15 15:56
linux-4.14	INFO: task hung in dev_ioctl				1	947d	947d	0/1	auto-closed as invalid on 2022/08/17 13:11
android-49	INFO: task hung in dev_ioctl				1	2328d	2328d	0/3	auto-closed as invalid on 2019/02/22 12:59
upstream	INFO: task hung in dev_ioctl (2) net				1	2042d	2042d	0/28	closed as invalid on 2019/05/08 13:05
android-414	INFO: task hung in dev_ioctl				2	2245d	2266d	0/1	auto-closed as invalid on 2019/03/27 22:33
linux-6.1	INFO: task hung in dev_ioctl				3	157d	174d	0/3	auto-obsoleted due to no activity on 2024/09/25 07:18
upstream	INFO: task hung in rtnetlink_rcv_msg net	C	inconclusive	inconclusive	1970	135d	2098d	26/28	fixed on 2024/07/09 19:14
upstream	INFO: task hung in dev_ioctl net				2	2243d	2271d	0/28	auto-closed as invalid on 2019/03/30 00:48
upstream	INFO: task hung in dev_ioctl (3) net				7	1420d	1549d	0/28	auto-closed as invalid on 2021/04/01 04:28
linux-5.15	INFO: task hung in dev_ioctl				2	177d	183d	0/3	auto-obsoleted due to no activity on 2024/09/05 06:34
upstream	INFO: task hung in dev_ioctl (5) net				20	1127d	1172d	0/28	auto-closed as invalid on 2022/01/19 01:57

ip6_tunnel: ё xmit: Local address not yet configured! INFO: task syz-executor.4:25926 blocked for more than 140 seconds. Not tainted 4.14.156-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29024 25926 31632 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3499 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3557 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893 dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 sock_do_ioctl+0x92/0xb0 net/socket.c:981 sock_ioctl+0x253/0x440 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f0e7fbb0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e7fbb16d4 R13: 00000000004c439a R14: 00000000004d8e38 R15: 00000000ffffffff INFO: task syz-executor.4:25948 blocked for more than 140 seconds. Not tainted 4.14.156-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29792 25948 31632 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3499 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3557 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893 dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 sock_do_ioctl+0x92/0xb0 net/socket.c:981 sock_ioctl+0x253/0x440 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f0e7fb6ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000005 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e7fb6f6d4 R13: 00000000004c439a R14: 00000000004d8e38 R15: 00000000ffffffff INFO: task syz-executor.3:25925 blocked for more than 140 seconds. Not tainted 4.14.156-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D29952 25925 16401 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3499 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3557 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893 dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 sock_do_ioctl+0x92/0xb0 net/socket.c:981 sock_ioctl+0x253/0x440 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f4bfa53ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000004 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4bfa53f6d4 R13: 00000000004c439a R14: 00000000004d8e38 R15: 00000000ffffffff INFO: task syz-executor.5:25923 blocked for more than 140 seconds. Not tainted 4.14.156-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D27584 25923 24293 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3499 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3557 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893 dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 sock_do_ioctl+0x92/0xb0 net/socket.c:981 sock_ioctl+0x253/0x440 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007fd39d566c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 RDX: 0000000020000080 RSI: 0000001000008912 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd39d5676d4 R13: 00000000004c1dab R14: 00000000004d6150 R15: 00000000ffffffff INFO: task syz-executor.0:25930 blocked for more than 140 seconds. Not tainted 4.14.156-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29216 25930 15364 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3499 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3557 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893 dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 sock_do_ioctl+0x92/0xb0 net/socket.c:981 sock_ioctl+0x253/0x440 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007fd9872d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9872d16d4 R13: 00000000004c439a R14: 00000000004d8e38 R15: 00000000ffffffff INFO: task syz-executor.0:25936 blocked for more than 140 seconds. Not tainted 4.14.156-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29552 25936 15364 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3499 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3557 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893 dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 sock_do_ioctl+0x92/0xb0 net/socket.c:981 sock_ioctl+0x253/0x440 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007fd9872afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000004 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9872b06d4 R13: 00000000004c439a R14: 00000000004d8e38 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [<00000000472d85ad>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4544 2 locks held by getty/1759: #0: (&tty->ldisc_sem){++++}, at: [<000000006180e710>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&ldata->atomic_read_lock){+.+.}, at: [<000000004dbfaa0e>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 3 locks held by kworker/0:5/24935: #0: ("%s"("ipv6_addrconf")){+.+.}, at: [<0000000093086561>] process_one_work+0x6ff/0x1580 kernel/workqueue.c:2105 #1: ((addr_chk_work).work){+.+.}, at: [<000000006791464b>] process_one_work+0x735/0x1580 kernel/workqueue.c:2109 #2: (rtnl_mutex){+.+.}, at: [<00000000c2c1d2b9>] addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4431 2 locks held by syz-executor.3/9785: #0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000dd1e9cff>] inode_lock include/linux/fs.h:724 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000dd1e9cff>] __sock_release+0x86/0x2c0 net/socket.c:601 #1: (rtnl_mutex){+.+.}, at: [<00000000799f466b>] raw_close+0xe/0x30 net/ipv4/raw.c:699 2 locks held by syz-executor.5/19069: #0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000dd1e9cff>] inode_lock include/linux/fs.h:724 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000dd1e9cff>] __sock_release+0x86/0x2c0 net/socket.c:601 #1: (rtnl_mutex){+.+.}, at: [<00000000799f466b>] raw_close+0xe/0x30 net/ipv4/raw.c:699 2 locks held by syz-executor.3/20120: #0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000dd1e9cff>] inode_lock include/linux/fs.h:724 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000dd1e9cff>] __sock_release+0x86/0x2c0 net/socket.c:601 #1: (rtnl_mutex){+.+.}, at: [<00000000799f466b>] raw_close+0xe/0x30 net/ipv4/raw.c:699 2 locks held by syz-executor.0/23783: #0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000dd1e9cff>] inode_lock include/linux/fs.h:724 [inline] #0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000dd1e9cff>] __sock_release+0x86/0x2c0 net/socket.c:601 #1: (rtnl_mutex){+.+.}, at: [<00000000799f466b>] raw_close+0xe/0x30 net/ipv4/raw.c:699 1 lock held by syz-executor.4/25926: #0: (rtnl_mutex){+.+.}, at: [<00000000d15769df>] dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 1 lock held by syz-executor.4/25948: #0: (rtnl_mutex){+.+.}, at: [<00000000d15769df>] dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 1 lock held by syz-executor.3/25925: #0: (rtnl_mutex){+.+.}, at: [<00000000d15769df>] dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 1 lock held by syz-executor.5/25923: #0: (rtnl_mutex){+.+.}, at: [<00000000d15769df>] dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 1 lock held by syz-executor.0/25930: #0: (rtnl_mutex){+.+.}, at: [<00000000d15769df>] dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 1 lock held by syz-executor.0/25936: #0: (rtnl_mutex){+.+.}, at: [<00000000d15769df>] dev_ioctl+0x531/0xdf0 net/core/dev_ioctl.c:421 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.156-syzkaller #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xe5/0x154 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x119/0x147 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x629/0xbe0 kernel/hung_task.c:274 kthread+0x31f/0x430 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:404 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 25920 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0 task: 00000000882a13c3 task.stack: 00000000e4d14b83 RIP: 0010:fib6_walk_continue+0x229/0x5f0 net/ipv6/ip6_fib.c:1680 RSP: 0018:ffff88816c20ea48 EFLAGS: 00000246 RAX: 1ffff11030526891 RBX: ffff88816c20eae8 RCX: 0000000000040000 RDX: ffffffff8274701f RSI: ffffc9000494b000 RDI: ffff888182934488 RBP: ffff888182934480 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffed102d841d62 R15: ffff88816c20eb14 FS: 00007fe8df95c700(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000ef4000 CR3: 00000001cfab8003 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: fib6_walk+0x8d/0xe0 net/ipv6/ip6_fib.c:1748 fib6_clean_tree+0xd4/0x110 net/ipv6/ip6_fib.c:1822 __fib6_clean_all+0xf5/0x230 net/ipv6/ip6_fib.c:1838 rt6_ifdown+0x90/0x5b0 net/ipv6/route.c:2868 addrconf_ifdown+0xc5/0x13b0 net/ipv6/addrconf.c:3602 addrconf_notify+0x159/0x1b80 net/ipv6/addrconf.c:3526 notifier_call_chain+0x10c/0x1a0 kernel/notifier.c:93 call_netdevice_notifiers net/core/dev.c:1687 [inline] __dev_notify_flags+0x175/0x240 net/core/dev.c:6836 dev_change_flags+0xe6/0x130 net/core/dev.c:6867 do_setlink+0x928/0x2b50 net/core/rtnetlink.c:2071 rtnl_group_changelink net/core/rtnetlink.c:2482 [inline] rtnl_newlink+0xbef/0x16b0 net/core/rtnetlink.c:2636 rtnetlink_rcv_msg+0x3d3/0xb40 net/core/rtnetlink.c:4285 netlink_rcv_skb+0x137/0x3a0 net/netlink/af_netlink.c:2432 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x478/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x66a/0xbe0 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb7/0x100 net/socket.c:656 ___sys_sendmsg+0x752/0x890 net/socket.c:2062 __sys_sendmsg+0xb6/0x150 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007fe8df95bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000008 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe8df95c6d4 R13: 00000000004c8e09 R14: 00000000004dfcd8 R15: 00000000ffffffff Code: 41 83 fd 01 74 61 0f 87 0d ff ff ff e8 81 b7 bc fe 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 30 03 00 00 4c 8b 6d 08 <4d> 85 ed 74 2b e8 5d b7 bc fe 48 8b 04 24 48 c1 e8 03 42 80 3c