syzbot

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WARNING: CPU: 0 PID: 5271 at include/linux/backing-dev.h:289 inode_to_wb include/linux/backing-dev.h:285 [inline]
WARNING: CPU: 0 PID: 5271 at include/linux/backing-dev.h:289 account_page_dirtied mm/page-writeback.c:2474 [inline]
WARNING: CPU: 0 PID: 5271 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0 mm/page-writeback.c:2522
Modules linked in:
CPU: 0 PID: 5271 Comm: syz.3.208 Not tainted 5.15.189-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: 51 d8 ff 49 ff cf e9 5b fc ff ff e8 c5 51 d8 ff 48 ff cb e9 e4 fb ff ff e8 b8 51 d8 ff 48 ff cb e9 c4 fc ff ff e8 ab 51 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:ffffc90002e8f6d8 EFLAGS: 00010087
RAX: ffffffff819f7275 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000f64f000 RSI: 000000000003e670 RDI: 000000000003e671
RBP: ffffea0001947740 R08: dffffc0000000000 R09: fffffbfff1ad2dd6
R10: fffffbfff1ad2dd6 R11: 1ffffffff1ad2dd5 R12: ffff888016c686b8
R13: ffff888016c68830 R14: 1ffff11002d8d106 R15: dffffc0000000000
FS:  00007fce57e136c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffffd CR3: 00000000574ac000 CR4: 00000000003506f0
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
 alloc_dinode+0x3b1/0x4f0 fs/gfs2/inode.c:419
 gfs2_create_inode+0xc22/0x13b0 fs/gfs2/inode.c:721
 gfs2_mkdir+0x9b/0xd0 fs/gfs2/inode.c:1238
 vfs_mkdir+0x387/0x570 fs/namei.c:4065
 do_mkdirat+0x1d7/0x5a0 fs/namei.c:4090
 __do_sys_mkdir fs/namei.c:4110 [inline]
 __se_sys_mkdir fs/namei.c:4108 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4108
 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: 0033:0x7fce59fccb69
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:00007fce57e13038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fce5a1f4080 RCX: 00007fce59fccb69
RDX: 0000000000000000 RSI: 0000000000000190 RDI: 0000200000000300
RBP: 00007fce5a04fdf1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fce5a1f4080 R15: 00007ffd33375128
 </TASK>