INFO: task jfsCommit:107 blocked for more than 143 seconds.
Not tainted 6.7.0-rc1-syzkaller-00019-gc42d9eeef8e5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit state:D stack:28576 pid:107 tgid:107 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
io_schedule+0xbe/0x130 kernel/sched/core.c:8998
__lock_metapage fs/jfs/jfs_metapage.c:50 [inline]
lock_metapage+0x23c/0x4d0 fs/jfs/jfs_metapage.c:64
__get_metapage+0x3ce/0x1170 fs/jfs/jfs_metapage.c:639
diIAGRead.isra.0+0xcd/0x140 fs/jfs/jfs_imap.c:2666
diFree+0xa95/0x2760 fs/jfs/jfs_imap.c:956
jfs_evict_inode+0x3d4/0x4b0 fs/jfs/inode.c:156
evict+0x2ed/0x6b0 fs/inode.c:664
iput_final fs/inode.c:1775 [inline]
iput.part.0+0x560/0x7b0 fs/inode.c:1801
iput+0x5c/0x80 fs/inode.c:1791
txUpdateMap+0xaef/0xd10 fs/jfs/jfs_txnmgr.c:2367
txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
jfs_lazycommit+0x5da/0xb10 fs/jfs/jfs_txnmgr.c:2732
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8cfa82a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8cfa82a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8cfa82a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by jfsCommit/106:
#0: ffff88801ed08920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2ff/0x2760 fs/jfs/jfs_imap.c:886
#1: ffff888076bad438 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x31c/0x2760 fs/jfs/jfs_imap.c:891
2 locks held by jfsCommit/107:
#0: ffff888028e20920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2ff/0x2760 fs/jfs/jfs_imap.c:886
#1: ffff888067301278 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x31c/0x2760 fs/jfs/jfs_imap.c:891
2 locks held by kworker/u4:5/138:
#0: ffff8880b993c758 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:558
#1: ffff8880b9928888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
2 locks held by getty/4813:
#0: ffff888144ee30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900020682f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.0/5799:
#0: ffff88807f67a0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88807f67a0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88807f67a0e0 (&type->s_umount_key#68){+.+.}-{3:3}, at: deactivate_super+0xd6/0x100 fs/super.c:516
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.7.0-rc1-syzkaller-00019-gc42d9eeef8e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 57 Comm: kworker/u4:4 Not tainted 6.7.0-rc1-syzkaller-00019-gc42d9eeef8e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:switch_mm_irqs_off+0x1ad/0xb60 arch/x86/mm/tlb.c:620
Code: 41 83 fc 07 0f 87 27 07 00 00 45 89 e5 be 08 00 00 00 4c 89 e8 48 c1 e8 06 48 8d 3c c3 e8 bb 11 a1 00 4c 0f a3 ad c0 08 00 00 <0f> 83 0a 07 00 00 41 83 fc 07 0f 87 e5 06 00 00 4c 89 e8 be 08 00
RSP: 0018:ffffc9000203f940 EFLAGS: 00000047
RAX: 0000000000000001 RBX: ffff888013062900 RCX: ffffffff813b4455
RDX: ffffed100260c521 RSI: 0000000000000008 RDI: ffff888013062900
RBP: ffff888013062040 R08: 0000000000000000 R09: ffffed100260c520
R10: ffff888013062907 R11: 0000000000000006 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8d11a900 R15: ffff888019ea4628
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055971f253600 CR3: 0000000013064000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unuse_temporary_mm arch/x86/kernel/alternative.c:1752 [inline]
__text_poke+0x542/0xca0 arch/x86/kernel/alternative.c:1862
text_poke_bp_batch+0x3e0/0x750 arch/x86/kernel/alternative.c:2238
text_poke_flush arch/x86/kernel/alternative.c:2407 [inline]
text_poke_flush arch/x86/kernel/alternative.c:2404 [inline]
text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2414
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
jump_label_update+0x1d7/0x400 kernel/jump_label.c:829
static_key_disable_cpuslocked+0x154/0x1c0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate mm/kfence/core.c:835 [inline]
toggle_allocation_gate+0x13f/0x250 mm/kfence/core.c:822
process_one_work+0x886/0x15d0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242