INFO: task kworker/1:1H:52 blocked for more than 143 seconds.
Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1H state:D stack:24544 pid:52 ppid:2 flags:0x00004000
Workqueue: xfs-log/loop2 xlog_ioend_work
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0x173b/0x4630 kernel/sched/core.c:6625
schedule+0xc3/0x180 kernel/sched/core.c:6701
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
___down_common+0x33e/0x5e0 kernel/locking/semaphore.c:225
__down_common+0x64/0x250 kernel/locking/semaphore.c:246
down+0x84/0xc0 kernel/locking/semaphore.c:63
xfs_buf_lock+0x154/0x4b0 fs/xfs/xfs_buf.c:1120
xfs_buf_item_unpin+0x200/0x720 fs/xfs/xfs_buf_item.c:547
xfs_trans_committed_bulk+0x346/0x830 fs/xfs/xfs_trans.c:806
xlog_cil_committed+0x26d/0xe40 fs/xfs/xfs_log_cil.c:795
xlog_cil_process_committed+0x159/0x1a0 fs/xfs/xfs_log_cil.c:823
xlog_state_shutdown_callbacks+0x2ba/0x3b0 fs/xfs/xfs_log.c:538
xlog_force_shutdown+0x32c/0x390 fs/xfs/xfs_log.c:3837
xlog_ioend_work+0xad/0x100 fs/xfs/xfs_log.c:1429
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2390
worker_thread+0xa63/0x1210 kernel/workqueue.c:2537
kthread+0x2b2/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.2:18296 blocked for more than 143 seconds.
Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:21976 pid:18296 ppid:5009 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0x173b/0x4630 kernel/sched/core.c:6625
schedule+0xc3/0x180 kernel/sched/core.c:6701
xlog_wait+0x16e/0x1e0 fs/xfs/xfs_log_priv.h:617
xlog_wait_on_iclog+0x307/0x4e0 fs/xfs/xfs_log.c:926
xfs_log_force_seq+0x1da/0x450 fs/xfs/xfs_log.c:3409
__xfs_trans_commit+0xb4a/0xff0 fs/xfs/xfs_trans.c:1014
xfs_sync_sb_buf+0x14f/0x1e0 fs/xfs/libxfs/xfs_sb.c:1111
xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1801 [inline]
xfs_file_ioctl+0x1313/0x16a0 fs/xfs/xfs_ioctl.c:1899
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff35568c169
RSP: 002b:00007ff356458168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff3557abf80 RCX: 00007ff35568c169
RDX: 00000000200001c0 RSI: 0000000041009432 RDI: 0000000000000004
RBP: 00007ff3556e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffddff570ff R14: 00007ff356458300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf26030 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cf263f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
#0: ffffffff8cf25e60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/1:1H/52:
#0: ffff88802b45a538 ((wq_completion)xfs-log/loop2){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2363
#1: ffffc90000bd7d20 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2365
2 locks held by kworker/0:1H/93:
#0: ffff888031603d38 ((wq_completion)xfs-log/loop1){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2363
#1: ffffc900025a7d20 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2365
2 locks held by getty/4730:
#0: ffff88814a085098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.2/18296:
#0: ffff88807aaaa460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write_file+0x5e/0x1f0 fs/namespace.c:438
1 lock held by syz-executor.1/20186:
#0: ffff88802b5aa460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write_file+0x5e/0x1f0 fs/namespace.c:438
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x2b2/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14439 Comm: kworker/u4:6 Not tainted 6.3.0-syzkaller-07919-g6e98b09da931 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Workqueue: 0x0 (phy3)
RIP: 0010:get_current arch/x86/include/asm/current.h:41 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x60 kernel/kcov.c:206
Code: 00 00 f3 0f 1e fa 53 48 89 fb e8 13 00 00 00 48 8b 3d a4 4d c9 0c 48 89 de 5b e9 73 f3 55 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d 70 aa 78 7e 65 8b 15 71 aa 78 7e f7 c2 00 01 ff 00 74
RSP: 0018:ffffc90008967c58 EFLAGS: 00000002
RAX: ffffffff815b036d RBX: 0000000000000004 RCX: 0000000000000000
RDX: ffff8880253ad940 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90008967de0 R08: ffffffff815b0318 R09: 0000000000000000
R10: ffffc90008967d28 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90008967d20 R14: ffff88802f482000 R15: ffff888146fef400
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f48c12b180 CR3: 000000000cd30000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
process_one_work+0x20d/0x10e0 kernel/workqueue.c:2304
worker_thread+0xa63/0x1210 kernel/workqueue.c:2537
kthread+0x2b2/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308