INFO: task kworker/0:1H:52 blocked for more than 143 seconds.
Not tainted 6.1.0-syzkaller-13781-gaeba12b26c79 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1H state:D stack:23256 pid:52 ppid:2 flags:0x00004000
Workqueue: glock_workqueue glock_work_func
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
rwsem_down_write_slowpath+0xfc1/0x1480 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
freeze_super+0x45/0x420 fs/super.c:1655
freeze_go_sync+0x178/0x340 fs/gfs2/glops.c:577
do_xmote+0x34d/0x13d0 fs/gfs2/glock.c:708
glock_work_func+0x2c2/0x450 fs/gfs2/glock.c:1056
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: task syz-executor.1:6420 blocked for more than 143 seconds.
Not tainted 6.1.0-syzkaller-13781-gaeba12b26c79 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:20112 pid:6420 ppid:5102 flags:0x00004004
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
schedule_timeout+0x98/0x2f0 kernel/time/timer.c:2143
do_wait_for_common+0x3ea/0x560 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
__flush_workqueue+0x74a/0x1680 kernel/workqueue.c:2861
gfs2_gl_hash_clear+0xbe/0x300 fs/gfs2/glock.c:2193
gfs2_fill_super+0x2202/0x2700 fs/gfs2/ops_fstype.c:1307
get_tree_bdev+0x400/0x620 fs/super.c:1282
gfs2_get_tree+0x50/0x210 fs/gfs2/ops_fstype.c:1330
vfs_get_tree+0x88/0x270 fs/super.c:1489
do_new_mount+0x289/0xad0 fs/namespace.c:3145
do_mount fs/namespace.c:3488 [inline]
__do_sys_mount fs/namespace.c:3697 [inline]
__se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3674
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbba348d60a
RSP: 002b:00007fbba1ffdf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000000125e8 RCX: 00007fbba348d60a
RDX: 0000000020000000 RSI: 0000000020012500 RDI: 00007fbba1ffdfe0
RBP: 00007fbba1ffe020 R08: 00007fbba1ffe020 R09: 0000000000800414
R10: 0000000000800414 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020012500 R14: 00007fbba1ffdfe0 R15: 0000000020000280
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d326e90 (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: ffffffff8d327690 (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: ffffffff8d326cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
3 locks held by kworker/0:1H/52:
#0: ffff88814547b938 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90000bd7d00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
#2: ffff8880523a00e0 (&type->s_umount_key#67){++++}-{3:3}, at: freeze_super+0x45/0x420 fs/super.c:1655
2 locks held by getty/4750:
#0: ffff888027f96098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.1/6420:
#0: ffff8880523a00e0 (&type->s_umount_key#66/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228
1 lock held by syz-executor.4/6642:
#0: ffff8880523a00e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.4/6662:
#0: ffff8880523a00e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.4/6664:
#0: ffff8880523a00e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.4/6809:
#0: ffff8880523a00e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.4/6810:
#0: ffff8880523a00e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.4/6811:
#0: ffff8880523a00e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-13781-gaeba12b26c79 #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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4424 Comm: klogd Not tainted 6.1.0-syzkaller-13781-gaeba12b26c79 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:kasan_check_range+0x6/0x2e0 mm/kasan/generic.c:188
Code: 90 39 bf 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 55 41 57 41 56 53 01 48 85 f6 0f 84 ed 01 00 00 48 89 fd 48 01 f5 0f 82 82 02 00
RSP: 0018:ffffc900064477e8 EFLAGS: 00000202
RAX: ffff88802ddbc4c0 RBX: ffff88802ddbc4e0 RCX: ffffffff888c22ee
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88802ddbc4e0
RBP: 00000000000000c0 R08: dffffc0000000000 R09: ffff88802ddbc4c0
R10: ffffed1005bb789c R11: 1ffff11005bb7898 R12: 1ffff11010c7a66a
R13: ffff8880863d3280 R14: dffffc0000000000 R15: 1ffff11010c7a669
FS: 00007fbbf667b800(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f41568e5100 CR3: 000000002a8cc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_write include/linux/instrumented.h:87 [inline]
atomic_set include/linux/atomic/atomic-instrumented.h:41 [inline]
__finalize_skb_around net/core/skbuff.c:293 [inline]
__build_skb_around+0x21e/0x3c0 net/core/skbuff.c:350
__alloc_skb+0x1a3/0x2c0 net/core/skbuff.c:581
alloc_skb include/linux/skbuff.h:1270 [inline]
alloc_skb_with_frags+0xb4/0x780 net/core/skbuff.c:6192
sock_alloc_send_pskb+0x938/0xa70 net/core/sock.c:2741
unix_dgram_sendmsg+0x5ab/0x2010 net/unix/af_unix.c:1943
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg net/socket.c:734 [inline]
__sys_sendto+0x46e/0x5f0 net/socket.c:2117
__do_sys_sendto net/socket.c:2129 [inline]
__se_sys_sendto net/socket.c:2125 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2125
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbbf68170ac
Code: 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 19 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 64 c3 0f 1f 00 55 48 83 ec 20 48 89 54 24 10
RSP: 002b:00007ffcb93cbb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbbf68170ac
RDX: 0000000000000052 RSI: 000056540adf7fb0 RDI: 0000000000000003
RBP: 000056540adf1910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000001 R14: 00007fbbf699277d R15: 00007ffcb93cbc48