syzbot


INFO: task hung in tty_release_struct

Status: auto-closed as invalid on 2019/06/10 11:00
Reported-by: syzbot+a056cc7d4d1a68544ac1@syzkaller.appspotmail.com
First crash: 2094d, last: 2012d
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in tty_release_struct 1 547d 547d 0/1 auto-obsoleted due to no activity on 2023/04/15 07:55
linux-4.14 INFO: task hung in tty_release_struct 2 1507d 1617d 0/1 auto-closed as invalid on 2020/08/28 17:40
upstream INFO: task hung in tty_release_struct serial 2 1431d 1438d 0/27 auto-closed as invalid on 2020/10/13 06:21
upstream INFO: task hung in tty_release_struct (6) serial 1 153d 153d 0/27 auto-obsoleted due to no activity on 2024/04/13 21:30
upstream INFO: task hung in tty_release_struct (2) serial 7 865d 1001d 0/27 closed as invalid on 2022/02/07 19:19
upstream INFO: task hung in tty_release_struct (3) serial 3 807d 851d 0/27 auto-closed as invalid on 2022/06/29 20:46
upstream INFO: task hung in tty_release_struct (5) serial 1 341d 341d 0/27 auto-obsoleted due to no activity on 2023/10/07 22:46
upstream INFO: task hung in tty_release_struct (4) serial 2 626d 663d 0/27 auto-obsoleted due to no activity on 2023/01/03 08:49

Sample crash report:
[29438]     0 29438    17552     8192      22       3        0             0 syz-executor0
[29439]     0 29439     5531      320      16       3        0         -1000 udevd
[29440]     0 29440     5530      321      16       3        0         -1000 udevd
Out of memory: Kill process 29621 (syz-executor1) score 1004 or sacrifice child
Killed process 29621 (syz-executor1) total-vm:70340kB, anon-rss:156kB, file-rss:32640kB, shmem-rss:0kB
INFO: task syz-executor1:4140 blocked for more than 140 seconds.
      Not tainted 4.14.87+ #21
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor1   D27784  4140  15134 0x80000006
Call Trace:
 schedule+0x7f/0x1b0 kernel/sched/core.c:3490
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893
 tty_release_struct+0x2a/0x50 drivers/tty/tty_io.c:1605
 tty_release+0xaf1/0xdc0 drivers/tty/tty_io.c:1766
 __fput+0x25e/0x6f0 fs/file_table.c:210
 task_work_run+0x116/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x8fb/0x28c0 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457679
RSP: 002b:00007f138e9f0cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457679
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c
R13: 00007fff0bdceebf R14: 00007f138e9f19c0 R15: 000000000072bf0c
INFO: task init:28551 blocked for more than 140 seconds.
      Not tainted 4.14.87+ #21
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D28056 28551      1 0x00000000
Call Trace:
 schedule+0x7f/0x1b0 kernel/sched/core.c:3490
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893
 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
 chrdev_open+0x20d/0x570 fs/char_dev.c:417
 do_dentry_open+0x426/0xda0 fs/open.c:764
 vfs_open+0x11c/0x210 fs/open.c:878
 do_last fs/namei.c:3455 [inline]
 path_openat+0x5f9/0x2930 fs/namei.c:3597
 do_filp_open+0x197/0x270 fs/namei.c:3631
 do_sys_open+0x2ef/0x580 fs/open.c:1071
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f38e6cc4120
RSP: 002b:00007ffee8848fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000002320f40 RCX: 00007f38e6cc4120
RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8
RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000102 R14: 00007ffee8849150 R15: 0000000002320f48
INFO: task init:28552 blocked for more than 140 seconds.
      Not tainted 4.14.87+ #21
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D29352 28552      1 0x00000000
Call Trace:
 schedule+0x7f/0x1b0 kernel/sched/core.c:3490
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893
 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
 chrdev_open+0x20d/0x570 fs/char_dev.c:417
 do_dentry_open+0x426/0xda0 fs/open.c:764
 vfs_open+0x11c/0x210 fs/open.c:878
 do_last fs/namei.c:3455 [inline]
 path_openat+0x5f9/0x2930 fs/namei.c:3597
 do_filp_open+0x197/0x270 fs/namei.c:3631
 do_sys_open+0x2ef/0x580 fs/open.c:1071
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f38e6cc4120
RSP: 002b:00007ffee8848fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000002321010 RCX: 00007f38e6cc4120
RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8
RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000102 R14: 00007ffee8849150 R15: 0000000002321018
INFO: task init:28553 blocked for more than 140 seconds.
      Not tainted 4.14.87+ #21
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D29352 28553      1 0x00000000
Call Trace:
 schedule+0x7f/0x1b0 kernel/sched/core.c:3490
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893
 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
 chrdev_open+0x20d/0x570 fs/char_dev.c:417
 do_dentry_open+0x426/0xda0 fs/open.c:764
 vfs_open+0x11c/0x210 fs/open.c:878
 do_last fs/namei.c:3455 [inline]
 path_openat+0x5f9/0x2930 fs/namei.c:3597
 do_filp_open+0x197/0x270 fs/namei.c:3631
 do_sys_open+0x2ef/0x580 fs/open.c:1071
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f38e6cc4120
RSP: 002b:00007ffee8848fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00000000023211b0 RCX: 00007f38e6cc4120
RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8
RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000102 R14: 00007ffee8849150 R15: 00000000023211b8
INFO: task init:28554 blocked for more than 140 seconds.
      Not tainted 4.14.87+ #21
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D28056 28554      1 0x00000000
Call Trace:
 schedule+0x7f/0x1b0 kernel/sched/core.c:3490
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893
 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
 chrdev_open+0x20d/0x570 fs/char_dev.c:417
 do_dentry_open+0x426/0xda0 fs/open.c:764
 vfs_open+0x11c/0x210 fs/open.c:878
 do_last fs/namei.c:3455 [inline]
 path_openat+0x5f9/0x2930 fs/namei.c:3597
 do_filp_open+0x197/0x270 fs/namei.c:3631
 do_sys_open+0x2ef/0x580 fs/open.c:1071
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f38e6cc4120
RSP: 002b:00007ffee8848fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000002321280 RCX: 00007f38e6cc4120
RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8
RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000102 R14: 00007ffee8849150 R15: 0000000002321288
INFO: task init:28555 blocked for more than 140 seconds.
      Not tainted 4.14.87+ #21
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D28520 28555      1 0x00000000
Call Trace:
 schedule+0x7f/0x1b0 kernel/sched/core.c:3490
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3548
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x521/0x1480 kernel/locking/mutex.c:893
 tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
 chrdev_open+0x20d/0x570 fs/char_dev.c:417
 do_dentry_open+0x426/0xda0 fs/open.c:764
 vfs_open+0x11c/0x210 fs/open.c:878
 do_last fs/namei.c:3455 [inline]
 path_openat+0x5f9/0x2930 fs/namei.c:3597
 do_filp_open+0x197/0x270 fs/namei.c:3631
 do_sys_open+0x2ef/0x580 fs/open.c:1071
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f38e6cc4120
RSP: 002b:00007ffee8848fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000002321350 RCX: 00007f38e6cc4120
RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8
RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000102 R14: 00007ffee8849150 R15: 0000000002321358

Showing all locks held in the system:
1 lock held by khungtaskd/23:
 #0:  (tasklist_lock){.+.+}, at: [<ffffffff8e004947>] debug_show_all_locks+0x74/0x20f kernel/locking/lockdep.c:4541
2 locks held by rsyslogd/1617:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by rsyslogd/1618:
 #0:  (&f->f_pos_lock){+.+.}, at: [<ffffffff8e3c0f92>] __fdget_pos+0xa2/0xc0 fs/file.c:768
2 locks held by cron/1665:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by getty/1746:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff8eb409b0>] tty_ldisc_ref_wait+0x20/0x80 drivers/tty/tty_ldisc.c:275
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8eb3be0f>] n_tty_read+0x1ff/0x1700 drivers/tty/n_tty.c:2156
2 locks held by syz-fuzzer/1764:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by syz-fuzzer/1765:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by syz-fuzzer/1769:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by syz-fuzzer/1778:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by syz-executor3/23904:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb27d0a>] tty_release_struct+0x2a/0x50 drivers/tty/tty_io.c:1605
1 lock held by syz-executor3/23905:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb27d0a>] tty_release_struct+0x2a/0x50 drivers/tty/tty_io.c:1605
1 lock held by syz-executor2/17727:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb27d0a>] tty_release_struct+0x2a/0x50 drivers/tty/tty_io.c:1605
4 locks held by kworker/u4:6/7199:
 #0:  ("%s""netns"){+.+.}, at: [<ffffffff8df29534>] process_one_work+0x784/0x1670 kernel/workqueue.c:2085
 #1:  (net_cleanup_work){+.+.}, at: [<ffffffff8df2956c>] process_one_work+0x7bc/0x1670 kernel/workqueue.c:2089
 #2:  (net_mutex){+.+.}, at: [<ffffffff8f0f8ddc>] cleanup_net+0x14c/0x880 net/core/net_namespace.c:449
 #3:  (rtnl_mutex){+.+.}, at: [<ffffffff8f0f8de1>] cleanup_net+0x151/0x880 net/core/net_namespace.c:452
2 locks held by syz-executor3/3177:
 #0:  (rtnl_mutex){+.+.}, at: [<ffffffff8ecdbac3>] tun_detach drivers/net/tun.c:585 [inline]
 #0:  (rtnl_mutex){+.+.}, at: [<ffffffff8ecdbac3>] tun_chr_close+0x33/0x50 drivers/net/tun.c:2661
 #1:  (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff8e04c646>] exp_funnel_lock kernel/rcu/tree_exp.h:272 [inline]
 #1:  (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff8e04c646>] _synchronize_rcu_expedited+0x306/0x850 kernel/rcu/tree_exp.h:596
2 locks held by syz-executor0/6461:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
 #1:  (rtnl_mutex){+.+.}, at: [<ffffffff8f37442e>] raw_close+0xe/0x30 net/ipv4/raw.c:699
1 lock held by syz-executor0/24147:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/24168:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
2 locks held by syz-executor0/24170:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
 #1:  (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff8e04c6b4>] exp_funnel_lock kernel/rcu/tree_exp.h:305 [inline]
 #1:  (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff8e04c6b4>] _synchronize_rcu_expedited+0x374/0x850 kernel/rcu/tree_exp.h:596
1 lock held by syz-executor0/24213:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/24242:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/24380:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/24747:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/25077:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/25105:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/25486:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/25500:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/25557:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/25758:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/25769:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/25984:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/26121:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/26424:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/26451:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/26758:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/27919:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/27976:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
1 lock held by syz-executor0/28492:
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] inode_lock include/linux/fs.h:715 [inline]
 #0:  (&sb->s_type->i_mutex_key#8){+.+.}, at: [<ffffffff8f0a7634>] __sock_release+0x84/0x250 net/socket.c:601
3 locks held by kworker/1:1/29469:
 #0:  ("events"){+.+.}, at: [<ffffffff8df29534>] process_one_work+0x784/0x1670 kernel/workqueue.c:2085
 #1:  ((linkwatch_work).work){+.+.}, at: [<ffffffff8df2956c>] process_one_work+0x7bc/0x1670 kernel/workqueue.c:2089
 #2:  (rtnl_mutex){+.+.}, at: [<ffffffff8f16d22a>] linkwatch_event+0xa/0x50 net/core/link_watch.c:236
1 lock held by syz-executor1/29593:
 #0:  (sb_internal){.+.+}, at: [<ffffffff8e560367>] sb_start_intwrite include/linux/fs.h:1592 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff8e560367>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor1/29621:
 #0:  (oom_lock){+.+.}, at: [<ffffffff8e2e5105>] exit_mmap+0x345/0x420 mm/mmap.c:3039
1 lock held by syz-executor1/4140:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb27d0a>] tty_release_struct+0x2a/0x50 drivers/tty/tty_io.c:1605
2 locks held by udevd/27000:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/27045:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/28083:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/28125:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by init/28551:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
1 lock held by init/28552:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
1 lock held by init/28553:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
1 lock held by init/28554:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
1 lock held by init/28555:
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open_by_driver drivers/tty/tty_io.c:1927 [inline]
 #0:  (tty_mutex){+.+.}, at: [<ffffffff8eb301a8>] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2011
1 lock held by blkid/28967:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/28988:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/28999:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29000:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29001:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29004:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29006:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29007:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29010:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29011:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29012:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29014:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29015:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29016:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29019:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29020:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29021:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29022:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29023:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29024:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29025:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29026:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29027:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29028:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29029:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29030:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29031:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29032:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29033:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29034:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by udevd/29035:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29037:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29040:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29041:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29042:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29043:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29044:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29045:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29046:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29047:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29048:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29049:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29050:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29051:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29052:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29053:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29054:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29060:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29061:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29062:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29066:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29067:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29070:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29083:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29084:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29087:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29088:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29089:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29093:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29096:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29097:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29099:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29100:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29101:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29104:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29105:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29107:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29108:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29110:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29112:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29115:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29116:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29118:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29119:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29122:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29123:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29131:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29132:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29133:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29134:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29137:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29140:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29142:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29143:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29144:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29145:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29147:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29148:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29149:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29152:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29153:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29154:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29162:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29163:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29165:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29168:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by udevd/29171:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29172:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29176:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29179:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29181:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29184:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29185:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29186:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29187:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29188:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29190:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29192:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29193:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29194:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29204:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29207:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29208:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29209:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29210:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29211:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29212:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29213:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29214:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29215:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29217:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29218:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29220:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29221:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29222:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29223:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29226:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29228:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29229:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29230:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29231:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29233:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29234:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29236:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29237:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29238:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29241:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29243:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29244:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29246:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29247:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29248:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29249:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29250:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29251:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29252:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29253:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29254:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29255:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29259:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29260:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29261:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29262:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29263:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29265:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29266:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29268:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29269:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29270:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29271:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29272:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29273:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29277:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29278:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29279:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29280:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29281:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29282:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29283:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29284:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29287:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29288:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29290:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29292:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29293:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29294:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29295:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29297:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29298:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29299:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29300:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29301:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29302:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29303:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29304:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29305:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb5d38>] __do_page_fault+0x868/0xb60 arch/x86/mm/fault.c:1361
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29306:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29307:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29308:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29309:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29310:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29312:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29313:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29314:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29316:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29317:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29318:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29319:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29320:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29323:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29324:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29325:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29326:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29328:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29329:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29330:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29331:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29333:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29334:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29335:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29336:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29337:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29338:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29339:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29340:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29341:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29343:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29344:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29346:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29347:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29358:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29359:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29366:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by udevd/29371:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29372:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29374:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29375:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29376:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29377:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29378:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29380:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29382:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29383:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29385:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29386:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29387:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29388:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29393:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29394:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29396:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29399:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29402:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29403:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29405:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
1 lock held by blkid/29412:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by blkid/29413:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29414:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by blkid/29415:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29416:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29417:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29418:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29420:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29422:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29423:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29425:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29428:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29429:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29430:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29431:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29432:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
2 locks held by udevd/29433:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by blkid/29435:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
2 locks held by udevd/29436:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29437:
 #0:  (&sig->cred_guard_mutex){+.+.}, at: [<ffffffff8e37355e>] prepare_bprm_creds+0x4e/0x110 fs/exec.c:1389
2 locks held by udevd/29439:
 #0:  (&mm->mmap_sem){++++}, at: [<ffffffff8deb573d>] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354
 #1:  (&ei->i_mmap_sem){++++}, at: [<ffffffff8e564b85>] ext4_filemap_fault+0x75/0xb0 fs/ext4/inode.c:6178
1 lock held by udevd/29440:
 #0:  (&sig->cred_guard_mutex){+.+.}, at: [<ffffffff8e37355e>] prepare_bprm_creds+0x4e/0x110 fs/exec.c:1389

=============================================

oom_reaper: reaped process 29621 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
NMI backtrace for cpu 1
CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.87+ #21
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 nmi_cpu_backtrace.cold.0+0x47/0x85 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x121/0x146 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline]
 watchdog+0x574/0xa70 kernel/hung_task.c:252
 kthread+0x348/0x420 kernel/kthread.c:232
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28549 Comm: init Not tainted 4.14.87+ #21
task: ffff888188d59780 task.stack: ffff888188fb0000
RIP: 0010:inb arch/x86/include/asm/io.h:309 [inline]
RIP: 0010:io_serial_in+0x60/0x80 drivers/tty/serial/8250/8250_port.c:450
RSP: 0018:ffff888188fb7628 EFLAGS: 00000002
RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff92127c58
RBP: ffffffff92127c20 R08: 0000000000005839 R09: ffffffff912f89a8
R10: ffff888188d5a000 R11: 0000000000000001 R12: 0000000000000020
R13: fffffbfff2424fca R14: fffffbfff2424f8d R15: ffffffff92127e52
FS:  00007f38e75f47a0(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0ad5bca000 CR3: 00000001a92be003 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 serial_in drivers/tty/serial/8250/8250.h:115 [inline]
 wait_for_xmitr+0x90/0x1e0 drivers/tty/serial/8250/8250_port.c:2032
 serial8250_console_putchar+0x19/0x50 drivers/tty/serial/8250/8250_port.c:3184
 uart_console_write+0x4b/0xd0 drivers/tty/serial/serial_core.c:1883
 serial8250_console_write+0x51b/0x800 drivers/tty/serial/8250/8250_port.c:3250
 call_console_drivers kernel/printk/printk.c:1579 [inline]
 console_unlock+0x5b9/0xb50 kernel/printk/printk.c:2241
 console_device+0x92/0xb0 kernel/printk/printk.c:2350
 tty_lookup_driver+0x17a/0x210 drivers/tty/tty_io.c:1833
 tty_open_by_driver drivers/tty/tty_io.c:1928 [inline]
 tty_open+0x3b9/0x980 drivers/tty/tty_io.c:2011
 chrdev_open+0x20d/0x570 fs/char_dev.c:417
 do_dentry_open+0x426/0xda0 fs/open.c:764
 vfs_open+0x11c/0x210 fs/open.c:878
 do_last fs/namei.c:3455 [inline]
 path_openat+0x5f9/0x2930 fs/namei.c:3597
 do_filp_open+0x197/0x270 fs/namei.c:3631
 do_sys_open+0x2ef/0x580 fs/open.c:1071
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f38e6cc4120
RSP: 002b:00007ffee8848fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00000000023210e0 RCX: 00007f38e6cc4120
RDX: 0000000000000010 RSI: 0000000000000902 RDI: 00000000004072c8
RBP: 0000000000000000 R08: 0000000000407370 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000902
R13: 0000000000000102 R14: 00007ffee8849150 R15: 00000000023210e8
Code: 30 0f b6 8d d1 00 00 00 48 8d 7d 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 13 03 5d 38 89 da ec <0f> b6 c0 5b 5d c3 e8 65 53 7c ff eb c9 e8 8e 53 7c ff eb e6 66 

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/12/12 10:59 android-4.14 e525d2cfbe65 c3b10a5d .config console log report ci-android-414-kasan-gce-root
2018/12/04 13:49 android-4.14 d11d7f1ccfb1 6ad0ae61 .config console log report ci-android-414-kasan-gce-root
2018/11/28 12:59 android-4.14 f544ad0b1547 4b6d14f2 .config console log report ci-android-414-kasan-gce-root
2018/11/19 11:33 android-4.14 4e76528bd48d adf636a8 .config console log report ci-android-414-kasan-gce-root
2018/11/13 10:01 android-4.14 97c308ca4091 5f5f6d14 .config console log report ci-android-414-kasan-gce-root
2018/09/23 02:36 android-4.14 666c420fa3ea 37079712 .config console log report ci-android-414-kasan-gce-root
2018/09/21 06:00 android-4.14 666c420fa3ea 6cee973c .config console log report ci-android-414-kasan-gce-root
* Struck through repros no longer work on HEAD.