INFO: task kworker/1:1H:52 blocked for more than 143 seconds.
Not tainted 6.4.0-rc3-syzkaller-00190-g0d85b27b0cc6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1H state:D stack:26880 pid:52 ppid:2 flags:0x00004000
Workqueue: xfs-log/loop0 xlog_ioend_work
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
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:1119
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:2405
worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.0:11631 blocked for more than 144 seconds.
Not tainted 6.4.0-rc3-syzkaller-00190-g0d85b27b0cc6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:22664 pid:11631 ppid:5020 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x187b/0x4900 kernel/sched/core.c:6669
schedule+0xc3/0x180 kernel/sched/core.c:6745
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:1112
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: 0033:0x7f394ec8c169
RSP: 002b:00007f394f9d2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f394edabf80 RCX: 00007f394ec8c169
RDX: 0000000020000400 RSI: 0000000041009432 RDI: 0000000000000004
RBP: 00007f394ece7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce66d839f R14: 00007f394f9d2300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cf276f0 (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: ffffffff8cf27ab0 (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: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:3/46:
2 locks held by kworker/1:1H/52:
#0: ffff888028422938 ((wq_completion)xfs-log/loop0){+.+.}-{0:0}, at: process_one_work+0x77e/0x10e0 kernel/workqueue.c:2378
#1: ffffc90000bd7d20 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_one_work+0x7c8/0x10e0 kernel/workqueue.c:2380
2 locks held by kworker/0:2/1028:
#0: ffff8880b983c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffff8880b98287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:996
2 locks held by getty/4748:
#0: ffff88814aac3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2176
5 locks held by kworker/u4:11/7456:
1 lock held by syz-executor.0/11631:
#0: ffff88807a450460 (sb_writers#16){.+.+}-{0:0}, at: mnt_want_write_file+0x5e/0x1f0 fs/namespace.c:438
1 lock held by udevd/11693:
#0: ffff8880b993c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
1 lock held by syz-executor.5/13549:
#0: ffffffff8cf2cbf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#0: ffffffff8cf2cbf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:992
2 locks held by syz-executor.0/13552:
2 locks held by syz-executor.1/13582:
2 locks held by syz-executor.4/13562:
#0: ffff8880b983c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffff8880b98287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:996
2 locks held by syz-executor.2/13563:
3 locks held by syz-executor.2/13581:
#0: ffff8880b993c1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
#1: ffff8880b99287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:996
#2: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x40 include/linux/rcupdate.h:326
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc3-syzkaller-00190-g0d85b27b0cc6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
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+0x2b8/0x350 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: 12 Comm: kworker/u4:1 Not tainted 6.4.0-rc3-syzkaller-00190-g0d85b27b0cc6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:separate_irq_context kernel/locking/lockdep.c:4595 [inline]
RIP: 0010:__lock_acquire+0xd09/0x2000 kernel/locking/lockdep.c:5058
Code: df 4c 89 7d 00 48 8b 44 24 40 0f b6 04 38 84 c0 0f 85 3a 0c 00 00 48 8b 04 24 8b 18 48 85 db 74 59 83 fb 31 0f 83 27 11 00 00 <48> 8d 04 9b 48 8b 4c 24 08 48 8d 5c c1 f8 48 89 d8 48 c1 e8 03 0f
RSP: 0018:ffffc90000007798 EFLAGS: 00000083
RAX: ffff888015a56400 RBX: 0000000000000004 RCX: ffffffff816b242a
RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000
RBP: ffff888015a564a8 R08: dffffc0000000000 R09: fffffbfff206504e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888015a55940
R13: 1ffff11002b4ac7d R14: 0000000000000000 R15: 1a9d56bbb2326a9a
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2b32662000 CR3: 000000001e991000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5691
seqcount_lockdep_reader_access+0x13f/0x220 include/linux/seqlock.h:103
ktime_get_with_offset+0x90/0x320 kernel/time/timekeeping.c:889
ktime_get_real include/linux/timekeeping.h:79 [inline]
mac80211_hwsim_get_tsf_raw drivers/net/wireless/virtual/mac80211_hwsim.c:1180 [inline]
__mac80211_hwsim_beacon_tx+0x20c/0x570 drivers/net/wireless/virtual/mac80211_hwsim.c:2192
mac80211_hwsim_beacon_tx+0x3a5/0x750 drivers/net/wireless/virtual/mac80211_hwsim.c:2257
__iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:766
ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:802
mac80211_hwsim_beacon+0xd4/0x1e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2283
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1766
__do_softirq+0x2ab/0x908 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x159/0x240 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:debug_lockdep_rcu_enabled+0x2c/0x30 kernel/rcu/update.c:319
Code: 1e fa 31 c0 83 3d cb a3 a6 03 00 74 1d 83 3d 3e d7 a6 03 00 74 14 65 48 8b 0d a0 92 54 75 31 c0 83 b9 c4 0a 00 00 00 0f 94 c0 0f 1f 00 66 0f 1f 00 48 8b 3c 24 e8 43 fb ff ff 66 90 66 90 e9
RSP: 0018:ffffc90000117bf0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff88802f85dd10 RCX: ffff888015a55940
RDX: dffffc0000000000 RSI: ffffffff8aea9fa0 RDI: ffffffff8b3844c0
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff206504d
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000003a2
R13: dffffc0000000000 R14: ffff88802f8e8c80 R15: ffff888146695180
rcu_read_lock include/linux/rcupdate.h:774 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xca/0x5c0 net/batman-adv/network-coding.c:719
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308