INFO: task jfsCommit:276 blocked for more than 143 seconds.
Not tainted 5.15.176-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit state:D stack:27896 pid: 276 ppid: 2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
io_schedule+0x88/0x100 kernel/sched/core.c:8481
__lock_metapage+0x1ec/0x3c0 fs/jfs/jfs_metapage.c:49
lock_metapage fs/jfs/jfs_metapage.c:63 [inline]
__get_metapage+0x495/0x1070 fs/jfs/jfs_metapage.c:640
dbUpdatePMap+0x365/0xf50 fs/jfs/jfs_dmap.c:490
txAllocPMap+0x57b/0x6b0 fs/jfs/jfs_txnmgr.c:2459
txUpdateMap+0x7c8/0x9e0 fs/jfs/jfs_txnmgr.c:2397
txLazyCommit fs/jfs/jfs_txnmgr.c:2698 [inline]
jfs_lazycommit+0x470/0xc30 fs/jfs/jfs_txnmgr.c:2766
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
3 locks held by kworker/u4:3/1171:
#0: ffff8880175cd938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc9000514fd20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffffffff8dc36590 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60 net/core/net_namespace.c:561
4 locks held by udevd/3547:
#0: ffff8880b8e3a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
#1: ffff8880b8e27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53d/0x810 kernel/sched/psi.c:891
#2: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311
#3: ffff8880245f8de0 (&dentry->d_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#3: ffff8880245f8de0 (&dentry->d_lock){+.+.}-{2:2}, at: lockref_put_or_lock+0x22/0xb0 lib/lockref.c:173
2 locks held by getty/3931:
#0: ffff88802c0b5098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
3 locks held by kworker/u4:12/7190:
1 lock held by syz-executor/9246:
2 locks held by syz-executor/11092:
#0: ffffffff8dc42188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: ffffffff8dc42188 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x94c/0xee0 net/core/rtnetlink.c:5644
#1: ffffffff8cb242a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline]
#1: ffffffff8cb242a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x280/0x740 kernel/rcu/tree_exp.h:845
2 locks held by syz.0.1513/11117:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11219 Comm: rm Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:filemap_map_pages+0xf0a/0x15c0 mm/filemap.c:3341
Code: 31 ff 89 de e8 07 06 d7 ff 45 84 f6 74 7f e8 9d 03 d7 ff 4c 89 ff e8 35 c4 02 00 eb 75 4c 89 e3 e8 8b 03 d7 ff 48 8b 7c 24 30 <48> 89 f8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00
RSP: 0000:ffffc900034cfa80 EFLAGS: 00000293
RAX: ffffffff81a98155 RBX: 00007f5f753b2000 RCX: ffff88801ee09dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900034cfe08
RBP: ffffc900034cfc10 R08: ffffffff81a9805b R09: fffff94000063d71
R10: 0000000000000000 R11: dffffc0000000001 R12: 00007f5f753b2000
R13: ffffea000031eb80 R14: ffffea000031eb80 R15: 0000000000000009
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f753a9200 CR3: 000000005d656000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
do_fault_around mm/memory.c:4241 [inline]
do_read_fault mm/memory.c:4256 [inline]
do_fault mm/memory.c:4390 [inline]
handle_pte_fault mm/memory.c:4648 [inline]
__handle_mm_fault mm/memory.c:4783 [inline]
handle_mm_fault+0x341b/0x5960 mm/memory.c:4881
do_user_addr_fault arch/x86/mm/fault.c:1357 [inline]
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x271/0x700 arch/x86/mm/fault.c:1501
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f5f75475614
Code: 01 00 e9 0b 05 00 00 41 0f b7 9c 24 b8 02 00 00 48 6b db 38 49 03 9c 24 a8 02 00 00 49 39 9c 24 a8 02 00 00 0f 84 1f 02 00 00 <8b> 43 c8 48 83 eb 38 83 f8 04 74 1a 3d 53 e5 74 64 75 df 8b b5 2c
RSP: 002b:00007ffd62afed60 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00007f5f753a9238 RCX: 00007f5f75495350
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007f5f75491326
RBP: 00007ffd62afeec0 R08: 000000006ffffdff R09: 000000006ffffeff
R10: 000000006fffff41 R11: 000000006ffffe35 R12: 00007f5f7546c0c0
R13: 00007ffd62afef48 R14: 0000000070000022 R15: 00000000effffef5
</TASK>