INFO: task syz-executor1:2009 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor1 D26448 2009 2001 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
__blkdev_get+0xf3/0xe50 fs/block_dev.c:1452
blkdev_get+0x97/0x8c0 fs/block_dev.c:1604
blkdev_open+0x1bd/0x240 fs/block_dev.c:1762
do_dentry_open+0x426/0xda0 fs/open.c:764
vfs_open+0x11c/0x210 fs/open.c:878
do_last fs/namei.c:3408 [inline]
path_openat+0x4eb/0x23a0 fs/namei.c:3550
do_filp_open+0x197/0x270 fs/namei.c:3584
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: 0033:0x410da0
RSP: 002b:00007ffcd31bd908 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000410da0
RDX: 00007ffcd31bd94a RSI: 0000000000000002 RDI: 00007ffcd31bd940
RBP: 0000000000000cb0 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000006
R13: 0000000000099bc0 R14: 00000000000005b5 R15: badc0ffeebadface
INFO: task syz-executor7:2014 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor7 D27144 2014 2005 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
lo_open+0x17/0xa0 drivers/block/loop.c:1592
__blkdev_get+0x267/0xe50 fs/block_dev.c:1467
blkdev_get+0x97/0x8c0 fs/block_dev.c:1604
blkdev_open+0x1bd/0x240 fs/block_dev.c:1762
do_dentry_open+0x426/0xda0 fs/open.c:764
vfs_open+0x11c/0x210 fs/open.c:878
do_last fs/namei.c:3408 [inline]
path_openat+0x4eb/0x23a0 fs/namei.c:3550
do_filp_open+0x197/0x270 fs/namei.c:3584
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: 0033:0x410da0
RSP: 002b:00007fff06825358 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000410da0
RDX: 00007fff0682539a RSI: 0000000000000002 RDI: 00007fff06825390
RBP: 0000000000000c07 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000246 R12: 000000000000000a
R13: 0000000000099b2b R14: 0000000000000573 R15: badc0ffeebadface
INFO: task syz-executor0:11655 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0 D25608 11655 2004 0x00000004
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
blkdev_reread_part+0x18/0x30 block/ioctl.c:192
loop_reread_partitions+0x72/0x80 drivers/block/loop.c:614
loop_set_status+0xa84/0xf40 drivers/block/loop.c:1169
loop_set_status64+0x8d/0xe0 drivers/block/loop.c:1287
lo_ioctl+0x3cd/0x17d0 drivers/block/loop.c:1400
__blkdev_driver_ioctl block/ioctl.c:297 [inline]
blkdev_ioctl+0x57d/0x18c0 block/ioctl.c:594
block_ioctl+0xd9/0x120 fs/block_dev.c:1873
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1a0/0x1030 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7e/0xb0 fs/ioctl.c:692
do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x456ef7
RSP: 002b:00007fbf0dd47a18 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbf0dd486d4 RCX: 0000000000456ef7
RDX: 00007fbf0dd47ab0 RSI: 0000000000004c04 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000202 R12: 00007fbf0dd486d4
R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001
INFO: task syz-executor4:11666 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor4 D28216 11666 2015 0x00000004
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
loop_control_ioctl+0x180/0x310 drivers/block/loop.c:1965
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1a0/0x1030 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7e/0xb0 fs/ioctl.c:692
do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457089
RSP: 002b:00007f6cfe018c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6cfe0196d4 RCX: 0000000000457089
RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cf728 R14: 00000000004c5ae9 R15: 0000000000000000
INFO: task syz-executor4:11673 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor4 D29704 11673 2015 0x00000004
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
loop_control_ioctl+0x71/0x310 drivers/block/loop.c:1951
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1a0/0x1030 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7e/0xb0 fs/ioctl.c:692
do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457089
RSP: 002b:00007f6cfdff7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6cfdff86d4 RCX: 0000000000457089
RDX: 0000000000000000 RSI: 0000000000004c82 RDI: 0000000000000005
RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cf710 R14: 00000000004c5ad1 R15: 0000000000000001
INFO: task syz-executor4:11674 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor4 D29160 11674 2015 0x00000004
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
loop_control_ioctl+0x71/0x310 drivers/block/loop.c:1951
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1a0/0x1030 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7e/0xb0 fs/ioctl.c:692
do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457089
RSP: 002b:00007f6cfdfd6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6cfdfd76d4 RCX: 0000000000457089
RDX: 00000000200001c0 RSI: 000000000000540f RDI: 0000000000000005
RBP: 00000000009301e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d09b8 R14: 00000000004c6485 R15: 0000000000000002
INFO: task blkid:11663 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
blkid D28424 11663 27632 0x00000004
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
lo_release+0x1a/0x190 drivers/block/loop.c:1635
__blkdev_put+0x526/0x6e0 fs/block_dev.c:1783
blkdev_close+0x86/0xb0 fs/block_dev.c:1855
__fput+0x25e/0x6f0 fs/file_table.c:210
task_work_run+0x116/0x190 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:191 [inline]
exit_to_usermode_loop+0x12e/0x150 arch/x86/entry/common.c:163
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: 0033:0x7f0b782662b0
RSP: 002b:00007ffcd0a04978 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0b782662b0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001c35030
R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005
INFO: task blkid:11664 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
blkid D28696 11664 28176 0x00000004
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
lo_open+0x17/0xa0 drivers/block/loop.c:1592
__blkdev_get+0x8e2/0xe50 fs/block_dev.c:1529
blkdev_get+0x97/0x8c0 fs/block_dev.c:1604
blkdev_open+0x1bd/0x240 fs/block_dev.c:1762
do_dentry_open+0x426/0xda0 fs/open.c:764
vfs_open+0x11c/0x210 fs/open.c:878
do_last fs/namei.c:3408 [inline]
path_openat+0x4eb/0x23a0 fs/namei.c:3550
do_filp_open+0x197/0x270 fs/namei.c:3584
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: 0033:0x7fb8dd3af120
RSP: 002b:00007ffe14bcb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb8dd3af120
RDX: 00007ffe14bcbf40 RSI: 0000000000000000 RDI: 00007ffe14bcbf40
RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001f07030
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005
INFO: task blkid:11665 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
blkid D29000 11665 28179 0x00000004
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
lo_open+0x17/0xa0 drivers/block/loop.c:1592
__blkdev_get+0x267/0xe50 fs/block_dev.c:1467
blkdev_get+0x97/0x8c0 fs/block_dev.c:1604
blkdev_open+0x1bd/0x240 fs/block_dev.c:1762
do_dentry_open+0x426/0xda0 fs/open.c:764
vfs_open+0x11c/0x210 fs/open.c:878
do_last fs/namei.c:3408 [inline]
path_openat+0x4eb/0x23a0 fs/namei.c:3550
do_filp_open+0x197/0x270 fs/namei.c:3584
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: 0033:0x7efee16cf120
RSP: 002b:00007ffdc6cd9448 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efee16cf120
RDX: 00007ffdc6cd9f33 RSI: 0000000000000000 RDI: 00007ffdc6cd9f33
RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000068e030
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005
INFO: task blkid:11667 blocked for more than 140 seconds.
Not tainted 4.14.67+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
blkid D29000 11667 29238 0x00000004
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
lo_open+0x17/0xa0 drivers/block/loop.c:1592
__blkdev_get+0x267/0xe50 fs/block_dev.c:1467
blkdev_get+0x97/0x8c0 fs/block_dev.c:1604
blkdev_open+0x1bd/0x240 fs/block_dev.c:1762
do_dentry_open+0x426/0xda0 fs/open.c:764
vfs_open+0x11c/0x210 fs/open.c:878
do_last fs/namei.c:3408 [inline]
path_openat+0x4eb/0x23a0 fs/namei.c:3550
do_filp_open+0x197/0x270 fs/namei.c:3584
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: 0033:0x7fe9eb59b120
RSP: 002b:00007ffccab64238 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9eb59b120
RDX: 00007ffccab64f33 RSI: 0000000000000000 RDI: 00007ffccab64f33
RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000002330030
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005
Showing all locks held in the system:
1 lock held by khungtaskd/23:
#0: (tasklist_lock){.+.+}, at: [<ffffffffb2401847>] debug_show_all_locks+0x74/0x20f kernel/locking/lockdep.c:4541
2 locks held by rs:main Q:Reg/1852:
#0: (&f->f_pos_lock){+.+.}, at: [<ffffffffb27bcab2>] __fdget_pos+0xa2/0xc0 fs/file.c:768
#1: (sb_writers#3){.+.+}, at: [<ffffffffb275b3d7>] file_start_write include/linux/fs.h:2722 [inline]
#1: (sb_writers#3){.+.+}, at: [<ffffffffb275b3d7>] vfs_write+0x3d7/0x4d0 fs/read_write.c:545
2 locks held by getty/1950:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffffb2f1c500>] tty_ldisc_ref_wait+0x20/0x80 drivers/tty/tty_ldisc.c:275
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffffb2f17a7f>] n_tty_read+0x1ff/0x15e0 drivers/tty/n_tty.c:2142
1 lock held by syz-executor1/2009:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffffb28188c3>] __blkdev_get+0xf3/0xe50 fs/block_dev.c:1452
2 locks held by syz-executor7/2014:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffffb28188c3>] __blkdev_get+0xf3/0xe50 fs/block_dev.c:1452
#1: (loop_index_mutex){+.+.}, at: [<ffffffffb2fc7107>] lo_open+0x17/0xa0 drivers/block/loop.c:1592
2 locks held by syz-executor0/11655:
#0: (&lo->lo_ctl_mutex/1){+.+.}, at: [<ffffffffb2fcb8d5>] lo_ioctl+0x85/0x17d0 drivers/block/loop.c:1373
#1: (&bdev->bd_mutex){+.+.}, at: [<ffffffffb2cfd838>] blkdev_reread_part+0x18/0x30 block/ioctl.c:192
2 locks held by syz-executor4/11666:
#0: (loop_index_mutex){+.+.}, at: [<ffffffffb2fce641>] loop_control_ioctl+0x71/0x310 drivers/block/loop.c:1951
#1: (&lo->lo_ctl_mutex#2){+.+.}, at: [<ffffffffb2fce750>] loop_control_ioctl+0x180/0x310 drivers/block/loop.c:1965
1 lock held by syz-executor4/11673:
#0: (loop_index_mutex){+.+.}, at: [<ffffffffb2fce641>] loop_control_ioctl+0x71/0x310 drivers/block/loop.c:1951
1 lock held by syz-executor4/11674:
#0: (loop_index_mutex){+.+.}, at: [<ffffffffb2fce641>] loop_control_ioctl+0x71/0x310 drivers/block/loop.c:1951
2 locks held by blkid/11663:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffffb28181a1>] __blkdev_put+0xb1/0x6e0 fs/block_dev.c:1770
#1: (loop_index_mutex){+.+.}, at: [<ffffffffb2fcd16a>] lo_release+0x1a/0x190 drivers/block/loop.c:1635
2 locks held by blkid/11664:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffffb28188c3>] __blkdev_get+0xf3/0xe50 fs/block_dev.c:1452
#1: (loop_index_mutex){+.+.}, at: [<ffffffffb2fc7107>] lo_open+0x17/0xa0 drivers/block/loop.c:1592
2 locks held by blkid/11665:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffffb28188c3>] __blkdev_get+0xf3/0xe50 fs/block_dev.c:1452
#1: (loop_index_mutex){+.+.}, at: [<ffffffffb2fc7107>] lo_open+0x17/0xa0 drivers/block/loop.c:1592
2 locks held by blkid/11667:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffffb28188c3>] __blkdev_get+0xf3/0xe50 fs/block_dev.c:1452
#1: (loop_index_mutex){+.+.}, at: [<ffffffffb2fc7107>] lo_open+0x17/0xa0 drivers/block/loop.c:1592
1 lock held by init/11700:
#0: (tty_mutex){+.+.}, at: [<ffffffffb2f0bef8>] tty_open_by_driver drivers/tty/tty_io.c:1922 [inline]
#0: (tty_mutex){+.+.}, at: [<ffffffffb2f0bef8>] tty_open+0x3a8/0x980 drivers/tty/tty_io.c:2006
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.67+ #1
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0xb9/0x11b lib/dump_stack.c:53
nmi_cpu_backtrace.cold.0+0x18/0x8e lib/nmi_backtrace.c:103
nmi_trigger_cpumask_backtrace+0x121/0x146 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:138 [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: 1854 Comm: rsyslogd Not tainted 4.14.67+ #1
task: ffff8801c0bec680 task.stack: ffff8801c01d8000
RIP: 0010:memcpy_erms+0x8/0x10 arch/x86/lib/memcpy_64.S:54
RSP: 0018:ffff8801c01df958 EFLAGS: 00000046
RAX: ffff8801bc285f82 RBX: ffff8801bc285f82 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffffb405abe4 RDI: ffff8801bc285f83
RBP: ffffffffb405abe3 R08: ffffed0037850bf1 R09: ffffed0037850bf0
R10: ffffed0037850bf0 R11: ffff8801bc285f82 R12: dffffc0000000000
R13: ffffffffb405abe4 R14: ffff8801c01dfa58 R15: 0000000000000001
FS: 00007f439d240700(0000) GS:ffff8801dba00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5385a6da30 CR3: 00000001cd328006 CR4: 00000000001606b0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
memcpy include/linux/string.h:344 [inline]
vsnprintf+0x3ef/0x13a0 lib/vsprintf.c:2143
sprintf+0xb0/0xe0 lib/vsprintf.c:2383
print_prefix+0xb1/0x3a0 kernel/printk/printk.c:1230
msg_print_text+0xae/0x1a0 kernel/printk/printk.c:1269
syslog_print kernel/printk/printk.c:1314 [inline]
do_syslog+0x700/0x980 kernel/printk/printk.c:1455
kmsg_read+0x6f/0x90 fs/proc/kmsg.c:40
proc_reg_read+0xef/0x170 fs/proc/inode.c:217
__vfs_read+0xf4/0x5b0 fs/read_write.c:411
vfs_read+0x11e/0x330 fs/read_write.c:447
SYSC_read fs/read_write.c:577 [inline]
SyS_read+0xc2/0x1a0 fs/read_write.c:570
do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f439fca01fd
RSP: 002b:00007f439d23fe30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000002618650 RCX: 00007f439fca01fd
RDX: 0000000000000fff RSI: 00007f439ea745a0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000002603260 R09: 0000000000000000
R10: 705f706f6f6c203f R11: 0000000000000293 R12: 000000000065e420
R13: 00007f439d2409c0 R14: 00007f43a02e5040 R15: 0000000000000003
Code: 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 f3 a4 <c3> 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe 7c