------------[ cut here ]------------ WARNING: CPU: 1 PID: 4282 at include/linux/backing-dev.h:289 inode_to_wb include/linux/backing-dev.h:285 [inline] WARNING: CPU: 1 PID: 4282 at include/linux/backing-dev.h:289 account_page_dirtied mm/page-writeback.c:2474 [inline] WARNING: CPU: 1 PID: 4282 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0 mm/page-writeback.c:2522 Modules linked in: CPU: 1 PID: 4282 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 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: 50 d8 ff 49 ff cf e9 5b fc ff ff e8 65 50 d8 ff 48 ff cb e9 e4 fb ff ff e8 58 50 d8 ff 48 ff cb e9 c4 fc ff ff e8 4b 50 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:ffffc9000303f7d8 EFLAGS: 00010093 RAX: ffffffff819f7bc5 RBX: 0000000000000000 RCX: ffff88807d4d5940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffea00007efec0 R08: dffffc0000000000 R09: ffffed1028bd7b4f R10: ffffed1028bd7b4f R11: 1ffff11028bd7b4e R12: ffff888145ebd8f8 R13: ffff888145ebda70 R14: 1ffff11028bd7b4e R15: dffffc0000000000 FS: 0000555595135500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcd14457000 CR3: 000000001e2e5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_kill_sb+0x50/0xd0 fs/gfs2/ops_fstype.c:1734 deactivate_locked_super+0x93/0xf0 fs/super.c:335 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1148 task_work_run+0x125/0x1a0 kernel/task_work.c:188 get_signal+0x1222/0x12c0 kernel/signal.c:2672 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/