loop0: detected capacity change from 0 to 32768 gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" gfs2: fsid=syz:syz: Now mounting FS (format 1801)... gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms gfs2: fsid=syz:syz.0: first mount done, others may mount ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5315 at ./include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 0 PID: 5315 at ./include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2760 [inline] WARNING: CPU: 0 PID: 5315 at ./include/linux/backing-dev.h:254 __folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2812 Modules linked in: CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00193-ge9b8ffafd20a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline] RIP: 0010:folio_account_dirtied mm/page-writeback.c:2760 [inline] RIP: 0010:__folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2812 Code: e8 5b 70 c4 ff 4c 89 ef 48 8b 34 24 e8 6f 05 33 00 e9 4a fe ff ff e8 45 70 c4 ff 90 0f 0b 90 e9 08 fe ff ff e8 37 70 c4 ff 90 <0f> 0b 90 e9 00 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cc f7 RSP: 0018:ffffc9000d18efc8 EFLAGS: 00010087 RAX: ffffffff81db03b9 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000eaba000 RSI: 00000000000defc4 RDI: 00000000000defc5 RBP: ffff888032104cf8 R08: ffffffff81dafdb5 R09: 1ffff1100642099f R10: dffffc0000000000 R11: ffffed10064209a0 R12: ffff888032104b88 R13: ffffea000100d940 R14: 0000000000000001 R15: 1ffff1100642099f FS: 00007f302d7d16c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000206d1000 CR3: 0000000036908000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_buffer_dirty+0x28e/0x440 fs/buffer.c:1196 gfs2_unpin+0x129/0xa60 fs/gfs2/lops.c:111 buf_lo_after_commit+0x14f/0x1a0 fs/gfs2/lops.c:738 lops_after_commit fs/gfs2/lops.h:51 [inline] gfs2_log_flush+0x118d/0x2610 fs/gfs2/log.c:1115 gfs2_inplace_reserve+0x1781/0x3940 fs/gfs2/rgrp.c:2186 gfs2_iomap_begin_write fs/gfs2/bmap.c:1034 [inline] gfs2_iomap_begin+0x89c/0x1390 fs/gfs2/bmap.c:1129 iomap_iter+0x697/0xf60 fs/iomap/iter.c:90 iomap_file_buffered_write+0xea9/0x11c0 fs/iomap/buffered-io.c:1038 gfs2_file_buffered_write+0x4b8/0x840 fs/gfs2/file.c:1060 gfs2_file_write_iter+0x915/0xff0 fs/gfs2/file.c:1164 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f302c985d29 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:00007f302d7d1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f302cb75fa0 RCX: 00007f302c985d29 RDX: 00000000fffffec6 RSI: 0000000020000180 RDI: 0000000000000006 RBP: 00007f302ca01aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f302cb75fa0 R15: 00007fffae400518