------------[ cut here ]------------ WARNING: CPU: 1 PID: 22567 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:252 [inline] WARNING: CPU: 1 PID: 22567 at include/linux/backing-dev.h:256 folio_account_dirtied mm/page-writeback.c:2640 [inline] WARNING: CPU: 1 PID: 22567 at include/linux/backing-dev.h:256 __folio_mark_dirty+0x912/0x1110 mm/page-writeback.c:2691 Modules linked in: CPU: 1 PID: 22567 Comm: syz.0.3918 Not tainted 6.6.102-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: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 1e 21 cf ff 0f 0b e9 d9 f8 ff ff e8 12 21 cf ff 48 89 df 48 8b 74 24 28 e8 b5 c7 2d 00 eb a6 e8 fe 20 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:ffffc9000c7f6ee0 EFLAGS: 00010087 RAX: ffffffff81b66a22 RBX: ffffea0001fae580 RCX: 0000000000080000 RDX: ffffc90004d51000 RSI: 00000000000550d6 RDI: 00000000000550d7 RBP: 0000000000000001 R08: ffffea0001fae587 R09: 1ffffd40003f5cb0 R10: dffffc0000000000 R11: fffff940003f5cb1 R12: 1ffff11003f93831 R13: ffff88801fc9c010 R14: 0000000000000000 R15: ffff88801fc9c188 FS: 00007fd00b0786c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5052b92000 CR3: 0000000058014000 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:1473 [inline] __writeback_single_inode+0x705/0xee0 fs/fs-writeback.c:1690 writeback_single_inode+0x211/0x720 fs/fs-writeback.c:1746 sync_inode_metadata+0xba/0x110 fs/fs-writeback.c:2811 gfs2_fsync+0x1b6/0x350 fs/gfs2/file.c:762 generic_write_sync+0x18d/0x200 include/linux/fs.h:2651 gfs2_file_write_iter+0xb97/0xe10 fs/gfs2/file.c:1151 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x79a/0xc70 fs/read_write.c:860 iter_file_splice_write+0x66f/0xc50 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xe8/0x130 fs/splice.c:1142 splice_direct_to_actor+0x2f0/0x870 fs/splice.c:1088 do_splice_direct+0x1b7/0x2c0 fs/splice.c:1194 do_sendfile+0x5dc/0xf70 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x13f/0x190 fs/read_write.c:1308 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: 0033:0x7fd00a18ebe9 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:00007fd00b078038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fd00a3b5fa0 RCX: 00007fd00a18ebe9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 RBP: 00007fd00a211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000fffe82 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd00a3b6038 R14: 00007fd00a3b5fa0 R15: 00007ffd6e828d98