INFO: task jfsCommit:105 blocked for more than 143 seconds.
Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit state:D stack:23416 pid:105 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
io_schedule+0x83/0x100 kernel/sched/core.c:8811
__lock_metapage+0x209/0x330 fs/jfs/jfs_metapage.c:50
lock_metapage fs/jfs/jfs_metapage.c:64 [inline]
__get_metapage+0x849/0xff0 fs/jfs/jfs_metapage.c:639
diIAGRead+0xca/0x130 fs/jfs/jfs_imap.c:2662
diFree+0x8fa/0x2c90 fs/jfs/jfs_imap.c:955
jfs_evict_inode+0x323/0x440 fs/jfs/inode.c:156
evict+0x2a4/0x620 fs/inode.c:664
txUpdateMap+0x8eb/0xaa0 fs/jfs/jfs_txnmgr.c:2362
txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline]
jfs_lazycommit+0x488/0xb80 fs/jfs/jfs_txnmgr.c:2727
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.1:5105 blocked for more than 143 seconds.
Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:18256 pid:5105 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
jfs_flush_journal+0x6fb/0xec0 fs/jfs/jfs_logmgr.c:1564
jfs_sync_fs+0x7c/0xa0 fs/jfs/super.c:684
sync_filesystem+0x1bc/0x220 fs/sync.c:66
generic_shutdown_super+0x6b/0x310 fs/super.c:474
kill_block_super+0x79/0xd0 fs/super.c:1386
deactivate_locked_super+0xa7/0xf0 fs/super.c:332
cleanup_mnt+0x494/0x520 fs/namespace.c:1291
task_work_run+0x243/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x124/0x150 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:296
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ffa1c48d547
RSP: 002b:00007fffd7ed1278 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ffa1c48d547
RDX: 00007fffd7ed134c RSI: 000000000000000a RDI: 00007fffd7ed1340
RBP: 00007fffd7ed1340 R08: 00000000ffffffff R09: 00007fffd7ed1110
R10: 00005555561d18b3 R11: 0000000000000246 R12: 00007ffa1c4e6b24
R13: 00007fffd7ed2400 R14: 00005555561d1810 R15: 00007fffd7ed2440
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
#0: ffff8880b983a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffff8880b9827748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x57b/0x9a0 kernel/sched/psi.c:964
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d326e50 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d327650 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d326c80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by jfsCommit/105:
#0: ffff8880764d8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x285/0x2c90 fs/jfs/jfs_imap.c:885
#1: ffff8880805ecb38 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x29b/0x2c90 fs/jfs/jfs_imap.c:890
2 locks held by getty/4744:
#0: ffff8880279b6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.1/5105:
#0: ffff88807daea0e0 (&type->s_umount_key#78){++++}-{3:3}, at: deactivate_super+0x96/0xd0 fs/super.c:362
2 locks held by kworker/u4:7/5356:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 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+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
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: 1162 Comm: kworker/u4:5 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0x2b7/0x1f60
Code: 00 00 45 31 f6 48 c7 c7 80 b9 ed 8a 48 c7 c6 e0 e1 ed 8a 31 c0 e8 19 b8 e7 ff 0f 0b e9 c3 12 00 00 31 c0 eb 11 48 8b 6c 24 58 <48> 89 e8 83 fd 31 0f 83 b6 1a 00 00 48 8d 2c 80 48 8b 1c 24 4c 8d
RSP: 0018:ffffc900063df9a8 EFLAGS: 00000006
RAX: 00000000000006c6 RBX: 1ffff1100428c4f8 RCX: ffff888021461d40
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8d326c80
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: fffffbfff1d2c9ce R11: 1ffffffff1d2c9cd R12: 00000000000406c6
R13: ffffffff8d326c80 R14: 0000000000000000 R15: 0000000000000021
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558758b9f600 CR3: 000000007aef5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x182/0x3c0 kernel/locking/lockdep.c:5668
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:325
rcu_read_lock include/linux/rcupdate.h:764 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xc8/0x5b0 net/batman-adv/network-coding.c:719
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308