------------[ cut here ]------------ WARNING: CPU: 3 PID: 11628 at include/linux/backing-dev.h:253 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 3 PID: 11628 at include/linux/backing-dev.h:253 folio_account_dirtied mm/page-writeback.c:2677 [inline] WARNING: CPU: 3 PID: 11628 at include/linux/backing-dev.h:253 __folio_mark_dirty+0xbcb/0xfa0 mm/page-writeback.c:2728 Modules linked in: CPU: 3 PID: 11628 Comm: syz-executor.3 Not tainted 6.2.0-syzkaller-03026-g69308402ca6f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:inode_to_wb include/linux/backing-dev.h:253 [inline] RIP: 0010:folio_account_dirtied mm/page-writeback.c:2677 [inline] RIP: 0010:__folio_mark_dirty+0xbcb/0xfa0 mm/page-writeback.c:2728 Code: 78 70 48 89 44 24 10 e8 73 cc 5f 08 31 ff 89 c6 89 44 24 10 e8 c6 08 d2 ff 8b 44 24 10 85 c0 0f 85 42 f9 ff ff e8 15 0c d2 ff <0f> 0b e9 36 f9 ff ff e8 09 0c d2 ff e8 74 37 ba ff 31 ff 41 89 c4 RSP: 0018:ffffc90005bcf728 EFLAGS: 00010012 RAX: 000000000001c90e RBX: 0000000000000001 RCX: ffffc90006ff2000 RDX: 0000000000040000 RSI: ffffffff81b2917b RDI: 0000000000000005 RBP: ffffea00012fe280 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000001 R13: ffffffff8e769c00 R14: 0000000000000212 R15: ffff88804db0f6d8 FS: 0000000000000000(0000) GS:ffff88802cb80000(0063) knlGS:00000000f7ff6b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000005240c000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_page_dirty include/linux/pagemap.h:1052 [inline] mark_buffer_dirty+0x72a/0xa60 fs/buffer.c:1148 gfs2_unpin+0x109/0xcf0 fs/gfs2/lops.c:111 buf_lo_after_commit+0x144/0x210 fs/gfs2/lops.c:747 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0x140f/0x2900 fs/gfs2/log.c:1116 gfs2_write_inode+0x36d/0x450 fs/gfs2/super.c:436 write_inode fs/fs-writeback.c:1451 [inline] __writeback_single_inode+0xd38/0x14d0 fs/fs-writeback.c:1663 writeback_single_inode+0x2ad/0x590 fs/fs-writeback.c:1719 sync_inode_metadata+0xa5/0xe0 fs/fs-writeback.c:2775 gfs2_fsync+0x221/0x390 fs/gfs2/file.c:758 vfs_fsync_range+0x13e/0x230 fs/sync.c:188 generic_write_sync include/linux/fs.h:2450 [inline] generic_write_sync include/linux/fs.h:2447 [inline] gfs2_file_write_iter+0xc7d/0xf40 fs/gfs2/file.c:1140 call_write_iter include/linux/fs.h:1849 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x9ed/0xe10 fs/read_write.c:584 ksys_write+0x12b/0x250 fs/read_write.c:637 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7ffb579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7ff65cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020001400 RDX: 0000000000000e00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 retq 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi