INFO: task jfsCommit:108 blocked for more than 143 seconds.
Not tainted 6.7.0-rc2-syzkaller-00095-gd3fa86b1a7b4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jfsCommit state:D stack:26072 pid:108 tgid:108 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0x1961/0x4ab0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6778
io_schedule+0x8c/0x100 kernel/sched/core.c:8998
__lock_metapage fs/jfs/jfs_metapage.c:50 [inline]
lock_metapage+0x254/0x370 fs/jfs/jfs_metapage.c:64
__get_metapage+0x513/0x1040 fs/jfs/jfs_metapage.c:639
diIAGRead+0xcb/0x130 fs/jfs/jfs_imap.c:2666
diFree+0xa7e/0x2fb0 fs/jfs/jfs_imap.c:956
jfs_evict_inode+0x32d/0x440 fs/jfs/inode.c:156
evict+0x2a4/0x630 fs/inode.c:664
txUpdateMap+0x829/0x9e0 fs/jfs/jfs_txnmgr.c:2367
txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 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/29:
#0: ffffffff8d92d060 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8d92d060 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8d92d060 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6613
2 locks held by jfsCommit/107:
#0: ffff88801c6e8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x37c/0x2fb0 fs/jfs/jfs_imap.c:886
#1: ffff888079f02638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x398/0x2fb0 fs/jfs/jfs_imap.c:891
2 locks held by jfsCommit/108:
#0: ffff888025d88920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x37c/0x2fb0 fs/jfs/jfs_imap.c:886
#1: ffff88807157a638 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x398/0x2fb0 fs/jfs/jfs_imap.c:891
2 locks held by getty/4813:
#0: ffff88802a8fa0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.0/5807:
#0: ffff8880752de0e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880752de0e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880752de0e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:516
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc2-syzkaller-00095-gd3fa86b1a7b4 #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+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 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+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4501 Comm: klogd Not tainted 6.7.0-rc2-syzkaller-00095-gd3fa86b1a7b4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:__lock_acquire+0xc3b/0x1fd0 kernel/locking/lockdep.c:5106
Code: 48 c7 c0 00 c3 5c 92 48 c1 e8 03 48 bf 00 00 00 00 00 fc ff df 0f b6 04 38 84 c0 0f 85 a6 0c 00 00 83 3d 87 8b ef 10 00 75 39 <48> 63 9c 24 88 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 60 43 dd
RSP: 0018:ffffc90003176eb0 EFLAGS: 00000046
RAX: 0000000000000004 RBX: ffffffff90aac209 RCX: ffffffff925cc303
RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000
RBP: ffff88807c636478 R08: ffffffff90dd4367 R09: 1ffffffff21ba86c
R10: dffffc0000000000 R11: fffffbfff21ba86d R12: 0000000000000001
R13: ffff88807c635940 R14: 1ffff1100f8c6c93 R15: ffff88807c636498
FS: 00007fde7fca5380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564a1beb5600 CR3: 0000000027d58000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5753
seqcount_lockdep_reader_access+0xed/0x1e0 include/linux/seqlock.h:102
read_seqbegin include/linux/seqlock.h:847 [inline]
zone_span_seqbegin include/linux/memory_hotplug.h:134 [inline]
page_outside_zone_boundaries mm/page_alloc.c:450 [inline]
bad_range+0x5f/0x270 mm/page_alloc.c:469
__free_one_page+0x1b4/0xab0 mm/page_alloc.c:783
free_pcppages_bulk+0x31c/0x630 mm/page_alloc.c:1235
free_unref_page_commit+0x57d/0x1130 mm/page_alloc.c:2467
free_unref_page+0x17c/0x3f0 mm/page_alloc.c:2510
discard_slab mm/slub.c:2116 [inline]
__unfreeze_partials+0x1e0/0x220 mm/slub.c:2655
put_cpu_partial+0x17b/0x250 mm/slub.c:2731
__slab_free+0x2b6/0x390 mm/slub.c:3679
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x14b/0x160 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x23/0x70 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x6c/0x3c0 mm/slab.h:763
slab_alloc_node mm/slub.c:3478 [inline]
kmem_cache_alloc_node+0x1dd/0x310 mm/slub.c:3523
__alloc_skb+0x181/0x420 net/core/skbuff.c:641
alloc_skb include/linux/skbuff.h:1286 [inline]
alloc_skb_with_frags+0xc3/0x780 net/core/skbuff.c:6331
sock_alloc_send_pskb+0x919/0xa50 net/core/sock.c:2780
unix_dgram_sendmsg+0x696/0x2200 net/unix/af_unix.c:1976
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x484/0x640 net/socket.c:2190
__do_sys_sendto net/socket.c:2202 [inline]
__se_sys_sendto net/socket.c:2198 [inline]
__x64_sys_sendto+0xde/0xf0 net/socket.c:2198
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fde7fe079b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe1958e208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fde7fe079b5
RDX: 0000000000000088 RSI: 000055ef58573650 RDI: 0000000000000003
RBP: 000055ef5856e910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007fde7ff95212 R14: 00007ffe1958e308 R15: 0000000000000000