syz.3.37: attempt to access beyond end of device
loop3: rw=2049, sector=19248, nr_sectors = 1696 limit=0
loop3: writeback error on inode 2405, offset 0, sector 19248
syz.3.37: attempt to access beyond end of device
loop3: rw=1, sector=320, nr_sectors = 8 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: 6007, name: syz.3.37
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz.3.37/6007:
#0: ffff88807bb51060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x104/0x24b0 fs/gfs2/log.c:1042
#1: ffff88807bb50e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#1: ffff88807bb50e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
#1: ffff88807bb50e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x52/0x80 fs/gfs2/log.c:814
#2: ffff88807bb51248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline]
#2: ffff88807bb51248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x41d/0x13b0 fs/gfs2/util.c:333
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 6007 Comm: syz.3.37 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_write_inode+0x23f/0x3d0 fs/gfs2/super.c:457
write_inode fs/fs-writeback.c:1483 [inline]
__writeback_single_inode+0x705/0xee0 fs/fs-writeback.c:1700
writeback_single_inode+0x211/0x720 fs/fs-writeback.c:1756
sync_inode_metadata+0xba/0x110 fs/fs-writeback.c:2822
gfs2_fsync+0x1b6/0x350 fs/gfs2/file.c:762
vfs_fsync_range fs/sync.c:188 [inline]
vfs_fsync fs/sync.c:202 [inline]
do_fsync fs/sync.c:212 [inline]
__do_sys_fdatasync fs/sync.c:225 [inline]
__se_sys_fdatasync fs/sync.c:223 [inline]
__x64_sys_fdatasync+0xb7/0x110 fs/sync.c:223
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f261d38f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f261e263038 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
RAX: ffffffffffffffda RBX: 00007f261d5e5fa0 RCX: 00007f261d38f749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a
RBP: 00007f261d413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f261d5e6038 R14: 00007f261d5e5fa0 R15: 00007ffc82ff4358
</TASK>
BUG: scheduling while atomic: syz.3.37/6007/0x00000002
3 locks held by syz.3.37/6007:
#0: ffff88807bb51060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x104/0x24b0 fs/gfs2/log.c:1042
#1: ffff88807bb50e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#1: ffff88807bb50e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
#1: ffff88807bb50e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x52/0x80 fs/gfs2/log.c:814
#2: ffff88807bb51248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline]
#2: ffff88807bb51248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x41d/0x13b0 fs/gfs2/util.c:333
Modules linked in:
Preemption disabled at:
[<0000000000000000>] 0x0