INFO: task dhcpcd:4759 blocked for more than 143 seconds.
Not tainted 6.10.0-rc7-syzkaller-00231-ge091caf99f3a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:20672 pid:4759 tgid:4759 ppid:4758 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
netlink_table_grab+0x1e3/0x320 net/netlink/af_netlink.c:447
netlink_remove net/netlink/af_netlink.c:622 [inline]
netlink_release+0xbd0/0x1b10 net/netlink/af_netlink.c:755
__sock_release net/socket.c:659 [inline]
sock_close+0xbc/0x240 net/socket.c:1421
__fput+0x24a/0x8a0 fs/file_table.c:422
__do_sys_close fs/open.c:1563 [inline]
__se_sys_close fs/open.c:1548 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1548
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: 0033:0x7f223135b0a8
RSP: 002b:00007ffd9d0f5068 EFLAGS: 00000246
ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007f22312906c0 RCX: 00007f223135b0a8
RDX: 0000000000000002 RSI: 00007ffd9d0f4ff0 RDI: 0000000000000008
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 00007ffd9d109218 R14: 0000000000000044 R15: 0000000000000001
INFO: task udevd:17773 blocked for more than 144 seconds.
Not tainted 6.10.0-rc7-syzkaller-00231-ge091caf99f3a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:26176 pid:17773 tgid:17773 ppid:4545 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1009 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2743
dev_attr_show+0x55/0xc0 drivers/base/core.c:2437
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x445/0xd60 fs/seq_file.c:230
new_sync_read fs/read_write.c:395 [inline]
vfs_read+0x9bd/0xbc0 fs/read_write.c:476
ksys_read+0x1a0/0x2c0 fs/read_write.c:619
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: 0033:0x7f4e06316b6a
RSP: 002b:00007ffc82adce18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000056526cb15e70 RCX: 00007f4e06316b6a
RDX: 0000000000001000 RSI: 000056526cb20af0 RDI: 0000000000000008
RBP: 000056526cb15e70 R08: 0000000000000008 R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffc82add2f8 R15: 000000000000000a
INFO: task syz.1.2598:17841 blocked for more than 146 seconds.
Not tainted 6.10.0-rc7-syzkaller-00231-ge091caf99f3a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.2598 state:D stack:26272 pid:17841 tgid:17841 ppid:17639 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
netlink_table_grab+0x1e3/0x320 net/netlink/af_netlink.c:447
netlink_remove net/netlink/af_netlink.c:622 [inline]
netlink_release+0xbd0/0x1b10 net/netlink/af_netlink.c:755
__sock_release net/socket.c:659 [inline]
sock_close+0xbc/0x240 net/socket.c:1421
__fput+0x24a/0x8a0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x360 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd59e775bd9
RSP: 002b:00007fd59ea2fb58 EFLAGS: 00000246
ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fd59e905a60 RCX: 00007fd59e775bd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fd59e905a60 R08: 0000000000000006 R09: 0000000c9ea2fe7f
R10: 00000000003ffc74 R11: 0000000000000246 R12: 000000000011e1bc
R13: 0000000000000032 R14: 00007fd59e905a60 R15: 00007fd59ea2fc40
INFO: task syz-executor:17858 blocked for more than 148 seconds.
Not tainted 6.10.0-rc7-syzkaller-00231-ge091caf99f3a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21024 pid:17858 tgid:17858 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
netlink_table_grab+0x1e3/0x320 net/netlink/af_netlink.c:447
netlink_remove net/netlink/af_netlink.c:622 [inline]
netlink_release+0xbd0/0x1b10 net/netlink/af_netlink.c:755
__sock_release net/socket.c:659 [inline]
sock_close+0xbc/0x240 net/socket.c:1421
__fput+0x24a/0x8a0 fs/file_table.c:422
__do_sys_close fs/open.c:1563 [inline]
__se_sys_close fs/open.c:1548 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1548
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: 0033:0x7ff399b7490a
RSP: 002b:00007ff399e2fed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff399b7490a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007ff399be3d2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff399e2fef8
R13: 00007ff399e2ff00 R14: 0000000000000009 R15: 0000000000000009
INFO: task syz.4.2617:17874 blocked for more than 150 seconds.
Not tainted 6.10.0-rc7-syzkaller-00231-ge091caf99f3a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.2617 state:D stack:26624 pid:17874 tgid:17874 ppid:17579 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
netlink_table_grab+0x1e3/0x320 net/netlink/af_netlink.c:447
netlink_remove net/netlink/af_netlink.c:622 [inline]
netlink_release+0xbd0/0x1b10 net/netlink/af_netlink.c:755
__sock_release net/socket.c:659 [inline]
sock_close+0xbc/0x240 net/socket.c:1421
__fput+0x24a/0x8a0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x360 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f366b375bd9
RSP: 002b:00007f366b62fb58 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f366b505a60 RCX: 00007f366b375bd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f366b505a60 R08: 00007f366aa01000 R09: 000000026b62fe7f
R10: 00000000003ffdc4 R11: 0000000000000246 R12: 000000000011d9b7
R13: 0000000000000032 R14: 00007f366b505a60 R15: 00007f366b62fc40
Showing all locks held in the system:
5 locks held by kworker/u8:0/11:
3 locks held by kworker/1:0/25:
1 lock held by khungtaskd/30:
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by kworker/1:1/45:
4 locks held by kworker/u8:10/2925:
#0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc90009d5fd00 (net_cleanup_work){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3224 [inline]
, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f5ddf10
(pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffffffff8f94c9a8 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#3: ffffffff8f94c9a8 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
1 lock held by dhcpcd/4759:
#0: ffff888078003210
(&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
(&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline]
(&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 net/socket.c:1421
2 locks held by getty/4848:
#0: ffff88802ac2c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
5 locks held by kworker/u9:3/5104:
#0: ffff88806b28e148 ((wq_completion)hci4){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff88806b28e148 ((wq_completion)hci4){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc900035c7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3224 [inline]
, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: