loop3: rw=1, sector=3112, nr_sectors = 5336 limit=0
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/util.c:159
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5919, name: gfs2_logd/syz:s
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by gfs2_logd/syz:s/5919:
#0: ffff888026b59060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x104/0x24b0 fs/gfs2/log.c:1042
#1: ffff888026b58e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#1: ffff888026b58e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
#1: ffff888026b58e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x52/0x80 fs/gfs2/log.c:814
#2: ffff888026b59248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline]
#2: ffff888026b59248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x41d/0x13b0 fs/gfs2/util.c:333
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 5919 Comm: gfs2_logd/syz:s Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
<TASK>
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
__might_resched+0x491/0x610 kernel/sched/core.c:10208
signal_our_withdraw fs/gfs2/util.c:157 [inline]
gfs2_withdraw+0x46b/0x13b0 fs/gfs2/util.c:333
gfs2_ail1_empty+0x7be/0x850 fs/gfs2/log.c:377
gfs2_flush_revokes+0x5c/0x80 fs/gfs2/log.c:815
revoke_lo_before_commit+0x2c/0x5f0 fs/gfs2/lops.c:867
lops_before_commit fs/gfs2/lops.h:42 [inline]
gfs2_log_flush+0xb84/0x24b0 fs/gfs2/log.c:1102
gfs2_logd+0x2f8/0xf70 fs/gfs2/log.c:1319
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
</TASK>
BUG: scheduling while atomic: gfs2_logd/syz:s/5919/0x00000002
3 locks held by gfs2_logd/syz:s/5919:
#0: ffff888026b59060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x104/0x24b0 fs/gfs2/log.c:1042
#1: ffff888026b58e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#1: ffff888026b58e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
#1: ffff888026b58e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x52/0x80 fs/gfs2/log.c:814
#2: ffff888026b59248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline]
#2: ffff888026b59248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x41d/0x13b0 fs/gfs2/util.c:333
Modules linked in:
Preemption disabled at:
[<0000000000000000>] 0x0