syz.0.12: attempt to access beyond end of device
loop0: rw=1, sector=2972, nr_sectors = 1966 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: 5938, name: syz.0.12
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
5 locks held by syz.0.12/5938:
 #0: ffff888020ef2418 (sb_writers#16){.+.+}-{0:0}, at: vfs_write+0x21e/0x9a0 fs/read_write.c:580
 #1: ffff888076508818 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline]
 #1: ffff888076508818 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: gfs2_file_write_iter+0x364/0xe90 fs/gfs2/file.c:1115
 #2: ffff88807ed45060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x27/0x50 fs/gfs2/log.c:1179
 #3: ffff88807ed44e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffff88807ed44e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
 #3: ffff88807ed44e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x52/0x80 fs/gfs2/log.c:815
 #4: ffff88807ed45248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline]
 #4: ffff88807ed45248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x429/0x1400 fs/gfs2/util.c:333
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 5938 Comm: syz.0.12 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 __might_resched+0x48d/0x5f0 kernel/sched/core.c:10212
 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_jdata_writepages+0xf9/0x150 fs/gfs2/aops.c:398
 do_writepages+0x351/0x590 mm/page-writeback.c:2575
 filemap_fdatawrite_wbc+0x122/0x180 mm/filemap.c:390
 __filemap_fdatawrite_range mm/filemap.c:423 [inline]
 filemap_fdatawrite_range+0xf7/0x160 mm/filemap.c:441
 gfs2_fsync+0xde/0x330 fs/gfs2/file.c:751
 generic_write_sync include/linux/fs.h:2669 [inline]
 gfs2_file_write_iter+0xb40/0xe90 fs/gfs2/file.c:1160
 call_write_iter include/linux/fs.h:2018 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x474/0x9a0 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __x64_sys_pwrite64+0x198/0x220 fs/read_write.c:706
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe32a79e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe32b5d3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fe32aa26180 RCX: 00007fe32a79e159
RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000005
RBP: 00007fe32a835024 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fecc R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe32aa26218 R14: 00007fe32aa26180 R15: 00007ffe163ceeb8
 </TASK>
BUG: scheduling while atomic: syz.0.12/5938/0x00000002
5 locks held by syz.0.12/5938:
 #0: ffff888020ef2418 (sb_writers#16){.+.+}-{0:0}, at: vfs_write+0x21e/0x9a0 fs/read_write.c:580
 #1: ffff888076508818 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline]
 #1: ffff888076508818 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: gfs2_file_write_iter+0x364/0xe90 fs/gfs2/file.c:1115
 #2: ffff88807ed45060 (&sdp->sd_log_flush_lock){++++}-{3:3}, at: gfs2_log_flush+0x27/0x50 fs/gfs2/log.c:1179
 #3: ffff88807ed44e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffff88807ed44e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_log_lock fs/gfs2/log.h:32 [inline]
 #3: ffff88807ed44e88 (&sdp->sd_log_lock){+.+.}-{2:2}, at: gfs2_flush_revokes+0x52/0x80 fs/gfs2/log.c:815
 #4: ffff88807ed45248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: signal_our_withdraw fs/gfs2/util.c:152 [inline]
 #4: ffff88807ed45248 (&sdp->sd_freeze_mutex){+.+.}-{3:3}, at: gfs2_withdraw+0x429/0x1400 fs/gfs2/util.c:333
Modules linked in:
Preemption disabled at:
[<0000000000000000>] 0x0