INFO: task jfsCommit:114 blocked for more than 143 seconds.
Not tainted 6.13.0-rc2-syzkaller-00333-ga0e3919a2df2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit state:D stack:26320 pid:114 tgid:114 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
io_schedule+0x8d/0x110 kernel/sched/core.c:7681
__lock_metapage fs/jfs/jfs_metapage.c:51 [inline]
lock_metapage+0x26a/0x450 fs/jfs/jfs_metapage.c:65
__get_metapage+0x57c/0xdc0 fs/jfs/jfs_metapage.c:640
diIAGRead+0xcb/0x140 fs/jfs/jfs_imap.c:2672
diFree+0xa7e/0x2fb0 fs/jfs/jfs_imap.c:959
jfs_evict_inode+0x32d/0x440 fs/jfs/inode.c:156
evict+0x4e8/0x9a0 fs/inode.c:796
txUpdateMap+0x931/0xb10 fs/jfs/jfs_txnmgr.c:2367
txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
jfs_lazycommit+0x49a/0xb80 fs/jfs/jfs_txnmgr.c:2733
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
3 locks held by kworker/u8:4/63:
2 locks held by jfsCommit/114:
#0: ffff8880687c0920 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x37c/0x2fb0 fs/jfs/jfs_imap.c:889
#1: ffff88805ba32618 (&jfs_ip->rdwrlock/1){++++}-{4:4}, at: diFree+0x398/0x2fb0 fs/jfs/jfs_imap.c:894
4 locks held by kworker/u8:9/3515:
#0: ffff8880b873e758 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
#1: ffff8880b8728948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987
#2: ffff8880b872a718 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x112/0x240 kernel/time/timer.c:1050
#3: ffffffff9a55fa80 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x17f/0x580 lib/debugobjects.c:818
2 locks held by getty/5578:
#0: ffff8880351520a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
2 locks held by syz-executor/9139:
#0: ffff88805d9fa0e0 (&type->s_umount_key#30){++++}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88805d9fa0e0 (&type->s_umount_key#30){++++}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88805d9fa0e0 (&type->s_umount_key#30){++++}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e9f8ba8 (lock#3){+.+.}-{4:4}, at: __lru_add_drain_all+0x66/0x560 mm/swap.c:798
2 locks held by syz.2.615/11954:
2 locks held by syz.4.621/11999:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller-00333-ga0e3919a2df2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 11954 Comm: syz.2.615 Not tainted 6.13.0-rc2-syzkaller-00333-ga0e3919a2df2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:check_preemption_disabled+0x42/0x120 lib/smp_processor_id.c:55
Code: 08 65 8b 1d 1c 3d 43 74 65 8b 05 11 3d 43 74 a9 ff ff ff 7f 74 26 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 ce 00 00 00 <89> d8 48 83 c4 10 5b 41 5c 41 5e 41 5f c3 cc cc cc cc 48 c7 04 24
RSP: 0018:ffffc900040df188 EFLAGS: 00000246
RAX: cd1a938c9c5b6200 RBX: 0000000000000001 RCX: ffffffff817a9934
RDX: 0000000000000000 RSI: ffffffff8c5ec400 RDI: ffffffff8c5ec3c0
RBP: ffffc900040df328 R08: ffffffff90183cb7 R09: 1ffffffff2030796
R10: dffffc0000000000 R11: fffffbfff2030797 R12: 1ffff9200081be44
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88813fffcb40
FS: 00007f35ee1246c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6405c61897 CR3: 000000006ca5a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:737
trace_lock_acquire include/trace/events/lock.h:24 [inline]
lock_acquire+0xe3/0x550 kernel/locking/lockdep.c:5820
__raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
_raw_spin_trylock+0x46/0x80 kernel/locking/spinlock.c:138
spin_trylock include/linux/spinlock.h:361 [inline]
rmqueue_pcplist mm/page_alloc.c:3030 [inline]
rmqueue mm/page_alloc.c:3074 [inline]
get_page_from_freelist+0x7d7/0x37a0 mm/page_alloc.c:3471
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751
alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2269
folio_alloc_mpol_noprof+0x36/0x50 mm/mempolicy.c:2287
shmem_alloc_folio mm/shmem.c:1794 [inline]
shmem_alloc_and_add_folio+0x4a0/0x1080 mm/shmem.c:1833
shmem_get_folio_gfp+0x621/0x1840 mm/shmem.c:2355
shmem_get_folio mm/shmem.c:2461 [inline]
shmem_write_begin+0x165/0x350 mm/shmem.c:3117
generic_perform_write+0x346/0x990 mm/filemap.c:4055
shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3293
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaeb/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f35ed3847cf
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007f35ee123df0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000013bd7ef RCX: 00007f35ed3847cf
RDX: 00000000013bd7ef RSI: 00007f35e2c00000 RDI: 000000000000000a
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000054ff
R10: 00000000000003c8 R11: 0000000000000293 R12: 000000000000000a
R13: 00007f35ee123ef0 R14: 00007f35ee123eb0 R15: 00007f35e2c00000