gfs2: fsid=syz:syz.0: found 1 quota changes ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8537 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:252 [inline] WARNING: CPU: 1 PID: 8537 at include/linux/backing-dev.h:256 folio_account_dirtied mm/page-writeback.c:2640 [inline] WARNING: CPU: 1 PID: 8537 at include/linux/backing-dev.h:256 __folio_mark_dirty+0x912/0x1110 mm/page-writeback.c:2691 Modules linked in: CPU: 1 PID: 8537 Comm: syz.6.710 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:inode_to_wb include/linux/backing-dev.h:252 [inline] RIP: 0010:folio_account_dirtied mm/page-writeback.c:2640 [inline] RIP: 0010:__folio_mark_dirty+0x912/0x1110 mm/page-writeback.c:2691 Code: e9 92 f8 ff ff e8 ce 1b cf ff 0f 0b e9 d9 f8 ff ff e8 c2 1b cf ff 48 89 df 48 8b 74 24 28 e8 f5 c4 2d 00 eb a6 e8 ae 1b cf ff <0f> 0b e9 84 fb ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c f2 f8 ff RSP: 0018:ffffc9000348f3a0 EFLAGS: 00010083 RAX: ffffffff81b673e2 RBX: ffffea000196a280 RCX: 0000000000080000 RDX: ffffc9000d0aa000 RSI: 000000000002decd RDI: 000000000002dece RBP: 0000000000000001 R08: ffffea000196a287 R09: 1ffffd400032d450 R10: dffffc0000000000 R11: fffff9400032d451 R12: 1ffff11029189b11 R13: ffff888148c4d710 R14: 0000000000000000 R15: ffff888148c4d888 FS: 00007ff6b93046c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000010000 CR3: 000000002e046000 CR4: 00000000003506e0 Call Trace: mark_buffer_dirty+0x26e/0x4d0 fs/buffer.c:1212 gfs2_unpin+0x125/0x9a0 fs/gfs2/lops.c:111 buf_lo_after_commit+0x15e/0x1b0 fs/gfs2/lops.c:745 lops_after_commit fs/gfs2/lops.h:51 [inline] gfs2_log_flush+0x1094/0x24b0 fs/gfs2/log.c:1117 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 generic_write_sync include/linux/fs.h:2651 [inline] gfs2_file_write_iter+0xc72/0xe10 fs/gfs2/file.c:1160 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x79a/0xc70 fs/read_write.c:860 vfs_writev fs/read_write.c:933 [inline] do_writev+0x252/0x410 fs/read_write.c:976 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: 0033:0x7ff6b838f6c9 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:00007ff6b9304038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007ff6b85e5fa0 RCX: 00007ff6b838f6c9 RDX: 0000000000000001 RSI: 0000200000000000 RDI: 0000000000000005 RBP: 00007ff6b8411f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff6b85e6038 R14: 00007ff6b85e5fa0 R15: 00007ffe70efacd8