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 1ms
gfs2: fsid=syz:syz.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5319 at ./include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline]
WARNING: CPU: 0 PID: 5319 at ./include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2760 [inline]
WARNING: CPU: 0 PID: 5319 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: 5319 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:ffffc9000d10e448 EFLAGS: 00010046
RAX: ffffffff81db03b9 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9000e68a000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffff888031ceccf8 R08: ffffffff81dafdb5 R09: 1ffff1100639d99f
R10: dffffc0000000000 R11: ffffed100639d9a0 R12: ffff888031cecb88
R13: ffffea00014abe80 R14: 0000000000000001 R15: 1ffff1100639d99f
FS:  00007f62439fe6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc30f04f04 CR3: 0000000043c98000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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+0x328/0x11c0 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
 __kernel_write_iter+0x42a/0x940 fs/read_write.c:612
 dump_emit_page fs/coredump.c:884 [inline]
 dump_user_range+0x4f1/0x970 fs/coredump.c:945
 elf_core_dump+0x3e9f/0x4790 fs/binfmt_elf.c:2129
 do_coredump+0x229b/0x3100 fs/coredump.c:758
 get_signal+0x140b/0x1750 kernel/signal.c:3002
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6243f85d29
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:00007f62439fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffe5 RBX: 00007f6244175fa0 RCX: 00007f6243f85d29
RDX: 0000000000000020 RSI: 0000000020000180 RDI: 0000000000000009
RBP: 00007f6244001aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6244175fa0 R15: 00007ffc30f03ca8
 </TASK>