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:22720 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
Showing all locks held in the system:
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: ffff8880753c8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x285/0x2c90 fs/jfs/jfs_imap.c:885
#1: ffff888073152638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x29b/0x2c90 fs/jfs/jfs_imap.c:890
2 locks held by getty/4746:
#0: ffff8880280a1098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
2 locks held by strace-static-x/5064:
2 locks held by syz-executor210/6044:
=============================================
NMI backtrace for cpu 0
CPU: 0 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 37 Comm: kworker/u4:2 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:121 [inline]
RIP: 0010:lock_release+0xcf/0x820 kernel/locking/lockdep.c:5681
Code: 65 8b 05 f4 4a 97 7e 85 c0 0f 85 dc 04 00 00 65 4c 8b 2c 25 40 98 03 00 49 8d 9d 34 0a 00 00 48 89 d8 48 c1 e8 03 42 8a 04 20 <84> c0 0f 85 68 05 00 00 83 3b 00 0f 85 b0 04 00 00 4c 89 7c 24 50
RSP: 0018:ffffc90000ae76e0 EFLAGS: 00000a07
RAX: 1ffff11002f6a400 RBX: ffff888017b52774 RCX: 0000000080000002
RDX: 0000000000000000 RSI: ffffffff8aedcc60 RDI: ffffffff8b4bbfe0
RBP: ffffc90000ae7820 R08: dffffc0000000000 R09: fffffbfff1d2c9ce
R10: fffffbfff1d2c9ce R11: 1ffffffff1d2c9cd R12: dffffc0000000000
R13: ffff888017b51d40 R14: 1ffff9200015cee8 R15: ffffffff81324830
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e18813000 CR3: 000000000d08e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
_raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:390 [inline]
__text_poke+0x780/0x900 arch/x86/kernel/alternative.c:1647
text_poke arch/x86/kernel/alternative.c:1671 [inline]
text_poke_bp_batch+0x64c/0x850 arch/x86/kernel/alternative.c:2027
text_poke_flush arch/x86/kernel/alternative.c:2131 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:2138
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x129/0x250 kernel/jump_label.c:205
static_key_enable+0x16/0x20 kernel/jump_label.c:218
toggle_allocation_gate+0xb1/0x240 mm/kfence/core.c:799
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
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.033 msecs