loop0: rw=1, sector=376, nr_sectors = 8 limit=0
gfs2: fsid=syz:syz.0: Error 10 writing to journal, jid=0
syz-executor: attempt to access beyond end of device
loop0: rw=1, sector=320, nr_sectors = 8 limit=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/util.c:159
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5775, name: syz-executor
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
4 locks held by syz-executor/5775:
 #0: ffff88807dd120e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff88807dd120e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff88807dd120e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: deactivate_super+0xa4/0xe0 fs/super.c:513
 #1: ffff8880789fd060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x27/0x50 fs/gfs2/log.c:1179
 #2: ffff8880789fce88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #2: ffff8880789fce88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
 #2: ffff8880789fce88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x52/0x80 fs/gfs2/log.c:815
 #3: ffff8880789fd248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline]
 #3: ffff8880789fd248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x429/0x1400 fs/gfs2/util.c:333
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 5775 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 __might_resched+0x48d/0x5f0 kernel/sched/core.c:10211
 signal_our_withdraw fs/gfs2/util.c:157 [inline]
 gfs2_withdraw+0x477/0x1400 fs/gfs2/util.c:333
 gfs2_ail1_empty+0x7d1/0x860 fs/gfs2/log.c:377
 gfs2_flush_revokes+0x5c/0x80 fs/gfs2/log.c:816
 revoke_lo_before_commit+0x2c/0x5f0 fs/gfs2/lops.c:867
 lops_before_commit fs/gfs2/lops.h:42 [inline]
 __gfs2_log_flush+0xbe7/0x24d0 fs/gfs2/log.c:1103
 gfs2_log_flush+0x34/0x50 fs/gfs2/log.c:1180
 gfs2_kill_sb+0x5c/0x2e0 fs/gfs2/ops_fstype.c:1789
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x3d7/0x460 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8f0599e097
Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff97e40b38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007f8f0599e097
RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007fff97e41ce0
RBP: 00007f8f05a322ca R08: 0000000000010590 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000202 R12: 00007fff97e41ce0
R13: 00007f8f05a322ca R14: 000055556f6424e8 R15: 00007fff97e42db0
 </TASK>
BUG: scheduling while atomic: syz-executor/5775/0x00000002
4 locks held by syz-executor/5775:
 #0: ffff88807dd120e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff88807dd120e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff88807dd120e0 (&type->s_umount_key#72){+.+.}-{3:3}, at: deactivate_super+0xa4/0xe0 fs/super.c:513
 #1: ffff8880789fd060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x27/0x50 fs/gfs2/log.c:1179
 #2: ffff8880789fce88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #2: ffff8880789fce88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
 #2: ffff8880789fce88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x52/0x80 fs/gfs2/log.c:815
 #3: ffff8880789fd248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline]
 #3: ffff8880789fd248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x429/0x1400 fs/gfs2/util.c:333
Modules linked in:
Preemption disabled at:
[<0000000000000000>] 0x0