INFO: task udevd:6386 blocked for more than 149 seconds.
Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:25048 pid:6386 tgid:6386 ppid:5210 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x55/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x43f/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x975/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f5f6f516b6a
RSP: 002b:00007fff01378008 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000563157f43d90 RCX: 00007f5f6f516b6a
RDX: 0000000000001000 RSI: 0000563158050820 RDI: 0000000000000008
RBP: 0000563157f43d90 R08: 0000000000000008 R09: 0000000000040000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff013784e8 R15: 000000000000000a
INFO: task udevd:6387 blocked for more than 150 seconds.
Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:25048 pid:6387 tgid:6387 ppid:5210 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x55/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x43f/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x975/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f5f6f516b6a
RSP: 002b:00007fff01378008 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000563157f43d90 RCX: 00007f5f6f516b6a
RDX: 0000000000001000 RSI: 0000563157f52180 RDI: 0000000000000008
RBP: 0000563157f43d90 R08: 0000000000000008 R09: 0000000000001000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff013784e8 R15: 000000000000000a
INFO: task udevd:6435 blocked for more than 151 seconds.
Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:24888 pid:6435 tgid:6435 ppid:5210 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x55/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x43f/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x975/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f5f6f516b6a
RSP: 002b:00007fff01378008 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000563157f43d90 RCX: 00007f5f6f516b6a
RDX: 0000000000001000 RSI: 0000563157fc6a00 RDI: 0000000000000008
RBP: 0000563157f43d90 R08: 0000000000000008 R09: 0000000000000020
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff013784e8 R15: 000000000000000a
INFO: task udevd:6489 blocked for more than 152 seconds.
Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:25800 pid:6489 tgid:6489 ppid:5210 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x55/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x43f/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x975/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f5f6f516b6a
RSP: 002b:00007fff01378008 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000563157f43d90 RCX: 00007f5f6f516b6a
RDX: 0000000000001000 RSI: 0000563157fc6a00 RDI: 0000000000000008
RBP: 0000563157f43d90 R08: 0000000000000008 R09: 0000000000000080
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff013784e8 R15: 000000000000000a
INFO: task udevd:6512 blocked for more than 153 seconds.
Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:25328 pid:6512 tgid:6512 ppid:5210 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x55/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x43f/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x975/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f5f6f516b6a
RSP: 002b:00007fff01378008 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000563157f43d90 RCX: 00007f5f6f516b6a
RDX: 0000000000001000 RSI: 0000563157fc6a00 RDI: 0000000000000008
RBP: 0000563157f43d90 R08: 0000000000000008 R09: 0000000000000080
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff013784e8 R15: 000000000000000a
INFO: task udevd:6515 blocked for more than 154 seconds.
Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:25544 pid:6515 tgid:6515 ppid:5210 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x55/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x43f/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x975/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f5f6f516b6a
RSP: 002b:00007fff01378008 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000563157f43d90 RCX: 00007f5f6f516b6a
RDX: 0000000000001000 RSI: 0000563158025b00 RDI: 0000000000000008
RBP: 0000563157f43d90 R08: 0000000000000008 R09: 0000000000000800
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff013784e8 R15: 000000000000000a
INFO: task udevd:6880 blocked for more than 155 seconds.
Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:24944 pid:6880 tgid:6880 ppid:5210 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x55/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x43f/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x975/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f5f6f516b6a
RSP: 002b:00007fff01378008 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000563157f43d90 RCX: 00007f5f6f516b6a
RDX: 0000000000001000 RSI: 0000563157fde160 RDI: 0000000000000008
RBP: 0000563157f43d90 R08: 0000000000000008 R09: 0000000000020000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff013784e8 R15: 000000000000000a
INFO: task udevd:6920 blocked for more than 156 seconds.
Not tainted 6.14.0-rc2-syzkaller-00259-g7ff71e6d9239 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:25328 pid:6920 tgid:6920 ppid:5210 task_flags:0x400140 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x55/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x43f/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x975/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
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: 0033:0x7f5f6f516b6a
RSP: 002b:00007fff01378008 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000563157f43d90 RCX: 00007f5f6f516b6a
RDX: 0000000000001000 RSI: 0000563157f4f9a0 RDI: 0000000000000008
RBP: 0000563157f43d90 R08: 0000000000000008 R09: 0000000000000010
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff013784e8 R15: 000000000000000a
Showing all locks held in the system:
3 locks held by kworker/u8:1/12:
#0:
ffff88801b089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
ffff88801b089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 kernel/workqueue.c:3317
#1: ffffc90000117c60
(
(linkwatch_work).work
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3212 [inline]
, at: process_scheduled_works+0x9c6/0x18e0 kernel/workqueue.c:3317
#2: ffffffff8fed4208 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:285
5 locks held by ksoftirqd/0/16:
1 lock held by khungtaskd/30:
#0: ffffffff8eb38f60
(
rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6746
3 locks held by kworker/u8:2/35:
#0: ffff88803104a148 (
(wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
(wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 kernel/workqueue.c:3317
#1:
ffffc90000ab7c60 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
ffffc90000ab7c60 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 kernel/workqueue.c:3317
#2: ffffffff8fed4208 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
#2: ffffffff8fed4208 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4730
2 locks held by kworker/0:2/973:
1 lock held by dhcpcd/5504:
#0:
ffffffff8fed4208
(rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
(rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bc0 net/ipv4/devinet.c:987
2 locks held by getty/5596:
#0:
ffff888034c200a0 (&tty->ldisc_sem){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x616/0x1770 drivers/tty/n_tty.c:2211
6 locks held by kworker/0:4/6014:
5 locks held by kworker/0:6/6038:
6 locks held by kworker/0:7/6046:
5 locks held by kworker/0:8/6052:
5 locks held by kworker/u8:12/6071:
#0:
ffff88801bef5948
(
(wq_completion)netns
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3211 [inline]
, at: process_scheduled_works+0x98b/0x18e0 kernel/workqueue.c:3317
#1:
ffffc90003467c60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
ffffc90003467c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 kernel/workqueue.c:3317
#2: ffffffff8fec7a90 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 net/core/net_namespace.c:606
#3: ffffffff8fed4208 (rtnl_mutex){+.+.}-{4:4}, at: default_device_exit_batch+0xdc/0x880 net/core/dev.c:12337
#4: ffffffff8eb3e438 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:302 [inline]
#4: ffffffff8eb3e438 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x381/0x820 kernel/rcu/tree_exp.h:996
6 locks held by kworker/0:10/6368:
4 locks held by udevd/6386:
#0: ffff8880642ede80
(&p->lock
){+.+.}-{4:4}