INFO: task kworker/0:1H:93 blocked for more than 143 seconds.
Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1H state:D stack:24576 pid:93 ppid:2 flags:0x00004000
Workqueue: xfs-log/loop5 xlog_ioend_work
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x1409/0x43f0 kernel/sched/core.c:6606
schedule+0xc3/0x190 kernel/sched/core.c:6682
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143
___down_common+0x33e/0x5e0 kernel/locking/semaphore.c:225
__down_common+0xc4/0x460 kernel/locking/semaphore.c:246
down+0x84/0xc0 kernel/locking/semaphore.c:63
xfs_buf_lock+0x1df/0x750 fs/xfs/xfs_buf.c:1120
xfs_buf_item_unpin+0x280/0x980 fs/xfs/xfs_buf_item.c:547
xfs_trans_committed_bulk+0x346/0x830 fs/xfs/xfs_trans.c:806
xlog_cil_committed+0x26d/0xfa0 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+0x8fa/0x1370 kernel/workqueue.c:2289
worker_thread+0xa63/0x1210 kernel/workqueue.c:2436
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.5:30208 blocked for more than 144 seconds.
Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:22008 pid:30208 ppid:5099 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x1409/0x43f0 kernel/sched/core.c:6606
schedule+0xc3/0x190 kernel/sched/core.c:6682
xlog_wait+0x16e/0x1e0 fs/xfs/xfs_log_priv.h:617
xlog_wait_on_iclog+0x3bd/0x640 fs/xfs/xfs_log.c:926
xfs_log_force_seq+0x1da/0x450 fs/xfs/xfs_log.c:3409
__xfs_trans_commit+0xbb6/0x1110 fs/xfs/xfs_trans.c:1014
xfs_sync_sb_buf+0x14f/0x1e0 fs/xfs/libxfs/xfs_sb.c:1110
xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1801 [inline]
xfs_file_ioctl+0x1431/0x1840 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: 0033:0x7f3c76a8c0f9
RSP: 002b:00007f3c77894168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3c76babf80 RCX: 00007f3c76a8c0f9
RDX: 0000000020000680 RSI: 0000000041009432 RDI: 0000000000000005
RBP: 00007f3c76ae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffea468f12f R14: 00007f3c77894300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8cf23910 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xce0 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8cf24110 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xce0 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8cf23740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/0:1H/93:
#0: ffff88802d2c3d38 ((wq_completion)xfs-log/loop5){+.+.}-{0:0}, at: process_one_work+0x77f/0x1370
#1: ffffc900025e7d20 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x1370 kernel/workqueue.c:2264
2 locks held by getty/4742:
#0: ffff88814bc30098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177
1 lock held by syz-fuzzer/5089:
1 lock held by syz-executor.1/5091:
#0: ffff88807ed120e0 (&type->s_umount_key#57){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:362
1 lock held by syz-executor.0/5092:
#0: ffff8880277d80e0 (&type->s_umount_key#57){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:362
1 lock held by syz-executor.2/5102:
#0: ffff888081dde0e0 (&type->s_umount_key#57){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:362
2 locks held by syz-executor.3/5108:
#0: ffff888086f480e0 (&type->s_umount_key#57){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:362
#1: ffffffff8cf28d38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#1: ffffffff8cf28d38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x474/0x890 kernel/rcu/tree_exp.h:946
2 locks held by kworker/0:7/5155:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x77f/0x1370
#1: ffffc90004d5fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x1370 kernel/workqueue.c:2264
2 locks held by kworker/u4:8/32568:
#0: ffff8880b983b1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:537
#1: ffff8880b9828748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x679/0xa30 kernel/sched/psi.c:976
3 locks held by kworker/u4:14/32576:
2 locks held by kworker/1:0/1839:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77f/0x1370
#1: ffffc900057efd20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x1370 kernel/workqueue.c:2264
2 locks held by kworker/1:2/12316:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77f/0x1370
#1: ffffc900034cfd20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x1370 kernel/workqueue.c:2264
3 locks held by kworker/0:1/14264:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77f/0x1370
#1: ffffc900087f7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x1370 kernel/workqueue.c:2264
#2: ffffffff8cf28d38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#2: ffffffff8cf28d38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ab/0x890 kernel/rcu/tree_exp.h:946
1 lock held by syz-executor.5/30208:
#0: ffff888038130460 (sb_writers#16){.+.+}-{0:0}, at: mnt_want_write_file+0x5e/0x1f0 fs/namespace.c:552
2 locks held by kworker/1:1/30539:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77f/0x1370
#1: ffffc900171d7d20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7c6/0x1370 kernel/workqueue.c:2264
1 lock held by syz-executor.5/32112:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e5/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b4/0x3f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf70/0xfb0 kernel/hung_task.c:377
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 32568 Comm: kworker/u4:8 Not tainted 6.2.0-rc7-syzkaller-00216-gf339c2597ebb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: phy4 ieee80211_iface_work
RIP: 0010:enqueue_timer+0x279/0x6b0 kernel/time/timer.c:616
Code: 21 01 00 00 e8 d8 33 11 00 eb 05 e8 d1 33 11 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 74 24 50 4c 89 f3 48 c1 eb 03 80 3c 03 00 <74> 08 4c 89 f7 e8 ed 6c 66 00 49 8b 2e 4c 89 fe 48 29 ee 31 ff e8
RSP: 0000:ffffc9000599f908 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 1ffff110173252b2 RCX: ffff88807c031d40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff817a9e6a R09: fffffbfff1ca1246
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b9929540
R13: 1ffff1100596eb46 R14: ffff8880b9929590 R15: 000000010003dc00
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00f179820 CR3: 000000007bd30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__mod_timer+0x9dd/0xf40 kernel/time/timer.c:1129
ieee80211_sta_merge_ibss net/mac80211/ibss.c:1296 [inline]
ieee80211_ibss_work+0x475/0x1480 net/mac80211/ibss.c:1708
process_one_work+0x8fa/0x1370 kernel/workqueue.c:2289
worker_thread+0xa63/0x1210 kernel/workqueue.c:2436
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308