gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: found 1 quota changes
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7013 at include/linux/backing-dev.h:289 inode_to_wb include/linux/backing-dev.h:285 [inline]
WARNING: CPU: 1 PID: 7013 at include/linux/backing-dev.h:289 account_page_dirtied mm/page-writeback.c:2474 [inline]
WARNING: CPU: 1 PID: 7013 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0 mm/page-writeback.c:2522
Modules linked in:
CPU: 1 PID: 7013 Comm: syz.2.748 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:inode_to_wb include/linux/backing-dev.h:285 [inline]
RIP: 0010:account_page_dirtied mm/page-writeback.c:2474 [inline]
RIP: 0010:__set_page_dirty+0xaf5/0xdc0 mm/page-writeback.c:2522
Code: 50 d8 ff 49 ff cf e9 5b fc ff ff e8 c5 50 d8 ff 48 ff cb e9 e4 fb ff ff e8 b8 50 d8 ff 48 ff cb e9 c4 fc ff ff e8 ab 50 d8 ff <0f> 0b 43 80 3c 3e 00 0f 85 8f f9 ff ff e9 92 f9 ff ff 89 d9 80 e1
RSP: 0018:ffffc9000304f5f8 EFLAGS: 00010087
RAX: ffffffff819f7a05 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90005ce9000 RSI: 0000000000033232 RDI: 0000000000033233
RBP: ffffea0000888940 R08: dffffc0000000000 R09: fffffbfff1ad3196
R10: fffffbfff1ad3196 R11: 1ffffffff1ad3195 R12: ffff88801d107078
R13: ffff88801d1071f0 R14: 1ffff11003a20e3e R15: dffffc0000000000
FS:  00007f2bd1d196c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7a4c7d5020 CR3: 000000007e25c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mark_buffer_dirty+0x2d7/0x490 fs/buffer.c:1108
 gfs2_unpin+0x126/0x9a0 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x15a/0x1a0 fs/gfs2/lops.c:750
 lops_after_commit fs/gfs2/lops.h:49 [inline]
 gfs2_log_flush+0x1145/0x2610 fs/gfs2/log.c:1108
 gfs2_trans_end+0x377/0x570 fs/gfs2/trans.c:158
 do_sync+0x8d2/0xc00 fs/gfs2/quota.c:976
 gfs2_quota_sync+0x32c/0x6f0 fs/gfs2/quota.c:1329
 gfs2_sync_fs+0x48/0xb0 fs/gfs2/super.c:647
 sync_filesystem+0xe6/0x220 fs/sync.c:56
 gfs2_reconfigure+0x120/0xcd0 fs/gfs2/ops_fstype.c:1551
 reconfigure_super+0x219/0x880 fs/super.c:938
 do_remount fs/namespace.c:2688 [inline]
 path_mount+0xd3e/0x1020 fs/namespace.c:3347
 do_mount fs/namespace.c:3368 [inline]
 __do_sys_mount fs/namespace.c:3576 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3553
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2bd3ab338a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f2bd1d18e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2bd1d18ef0 RCX: 00007f2bd3ab338a
RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000
RBP: 0000200000000f40 R08: 00007f2bd1d18ef0 R09: 0000000001a4a438
R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000f00
R13: 00007f2bd1d18eb0 R14: 0000000000000000 R15: 00002000000008c0
 </TASK>