attempt to access beyond end of device
loop1: rw=1, want=328, limit=64
gfs2: fsid=syz:syz.0: Error 10 writing to journal, jid=0
gfs2: fsid=syz:syz.0: fatal: I/O error(s)
gfs2: fsid=syz:syz.0: about to withdraw this file system
BUG: sleeping function called from invalid context at fs/gfs2/glock.c:1281
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4192, name: syz-executor
3 locks held by syz-executor/4192:
 #0: ffff88807ddfe0e0 (&type->s_umount_key#59){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
 #1: ffff88807e0c50a8 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0xdb/0x2610 fs/gfs2/log.c:1035
 #2: ffff88807e0c4ed0 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
 #2: ffff88807e0c4ed0 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
 #2: ffff88807e0c4ed0 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x4e/0x80 fs/gfs2/log.c:806
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 4192 Comm: syz-executor Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 ___might_sleep+0x47c/0x600 kernel/sched/core.c:9639
 gfs2_glock_wait+0x53/0x1c0 fs/gfs2/glock.c:1281
 gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline]
 gfs2_freeze_lock+0x5a/0xc0 fs/gfs2/util.c:107
 signal_our_withdraw fs/gfs2/util.c:160 [inline]
 gfs2_withdraw+0x5bd/0x1460 fs/gfs2/util.c:343
 gfs2_ail1_empty+0x7c2/0x850 fs/gfs2/log.c:369
 gfs2_flush_revokes+0x58/0x80 fs/gfs2/log.c:807
 revoke_lo_before_commit+0x28/0x5f0 fs/gfs2/lops.c:872
 lops_before_commit fs/gfs2/lops.h:40 [inline]
 gfs2_log_flush+0xbff/0x2610 fs/gfs2/log.c:1094
 gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1734
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1139
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6405ecef17
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe126c5ab8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007f6405ecef17
RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007ffe126c6c60
RBP: 00007f6405f50c05 R08: 00005555773af663 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe126c6c60
R13: 00007f6405f50c05 R14: 00005555773944a8 R15: 00007ffe126c7d30
 </TASK>

=============================
[ BUG: Invalid wait context ]
5.15.189-syzkaller #0 Tainted: G        W        
-----------------------------
syz-executor/4192 is trying to lock:
ffff88801d3ca888 (&wq->mutex){+.+.}-{3:3}, at: flush_workqueue+0x165/0x1380 kernel/workqueue.c:2833
other info that might help us debug this:
context-{4:4}
3 locks held by syz-executor/4192:
 #0: ffff88807ddfe0e0 (&type->s_umount_key#59){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365
 #1: ffff88807e0c50a8 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0xdb/0x2610 fs/gfs2/log.c:1035
 #2: ffff88807e0c4ed0 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
 #2: ffff88807e0c4ed0 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
 #2: ffff88807e0c4ed0 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x4e/0x80 fs/gfs2/log.c:806
stack backtrace:
CPU: 1 PID: 4192 Comm: syz-executor Tainted: G        W         5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4664 [inline]
 check_wait_context kernel/locking/lockdep.c:4725 [inline]
 __lock_acquire+0x1be9/0x7c60 kernel/locking/lockdep.c:4962
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __mutex_lock_common+0x1eb/0x2390 kernel/locking/mutex.c:596
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 flush_workqueue+0x165/0x1380 kernel/workqueue.c:2833
 gfs2_make_fs_ro+0xd1/0x5d0 fs/gfs2/super.c:529
 signal_our_withdraw fs/gfs2/util.c:166 [inline]
 gfs2_withdraw+0x5f9/0x1460 fs/gfs2/util.c:343
 gfs2_ail1_empty+0x7c2/0x850 fs/gfs2/log.c:369
 gfs2_flush_revokes+0x58/0x80 fs/gfs2/log.c:807
 revoke_lo_before_commit+0x28/0x5f0 fs/gfs2/lops.c:872
 lops_before_commit fs/gfs2/lops.h:40 [inline]
 gfs2_log_flush+0xbff/0x2610 fs/gfs2/log.c:1094
 gfs2_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1734
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1139
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6405ecef17
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe126c5ab8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007f6405ecef17
RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007ffe126c6c60
RBP: 00007f6405f50c05 R08: 00005555773af663 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe126c6c60
R13: 00007f6405f50c05 R14: 00005555773944a8 R15: 00007ffe126c7d30
 </TASK>
BUG: scheduling while atomic: syz-executor/4192/0x00000002
INFO: lockdep is turned off.
Modules linked in:
Preemption disabled at:
[<0000000000000000>] 0x0