------------[ cut here ]------------ WARNING: CPU: 0 PID: 5081 at fs/buffer.c:1124 mark_buffer_dirty+0x376/0x3e0 fs/buffer.c:1124 Modules linked in: CPU: 0 PID: 5081 Comm: syz-executor174 Not tainted 6.3.0-rc4-syzkaller-00016-g91fe204578ba #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:mark_buffer_dirty+0x376/0x3e0 fs/buffer.c:1124 Code: e9 0f 7e 8f ff e8 0a 7e 8f ff 48 89 ef e8 02 4a e8 ff 5b 5d e9 fb 7d 8f ff e8 f6 7d 8f ff 0f 0b e9 10 fe ff ff e8 ea 7d 8f ff <0f> 0b e9 b7 fc ff ff e8 de 7d 8f ff 0f 0b e9 d6 fc ff ff 48 89 df RSP: 0018:ffffc90003e2f938 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888076a93910 RCX: 0000000000000000 RDX: ffff888026840000 RSI: ffffffff81f35a66 RDI: 0000000000000001 RBP: ffff888073a46100 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88801e4121f0 R14: ffff888076a93910 R15: ffff888073a46160 FS: 0000555555b3b300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe21e29050 CR3: 000000007cd6c000 CR4: 0000000000350ef0 Call Trace: nilfs_segctor_collect_dirty_files fs/nilfs2/segment.c:1968 [inline] nilfs_segctor_do_construct+0x480/0x7100 fs/nilfs2/segment.c:2027 nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2381 nilfs_segctor_write_out fs/nilfs2/segment.c:2703 [inline] nilfs_segctor_destroy fs/nilfs2/segment.c:2736 [inline] nilfs_detach_log_writer+0x3bf/0x9f0 fs/nilfs2/segment.c:2816 nilfs_put_super+0x43/0x1b0 fs/nilfs2/super.c:477 generic_shutdown_super+0x158/0x480 fs/super.c:500 kill_block_super+0x9b/0xf0 fs/super.c:1407 deactivate_locked_super+0x98/0x160 fs/super.c:331 deactivate_super+0xb1/0xd0 fs/super.c:362 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177 task_work_run+0x16f/0x270 kernel/task_work.c:179 ptrace_notify+0x118/0x140 kernel/signal.c:2354 ptrace_report_syscall include/linux/ptrace.h:411 [inline] ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline] syscall_exit_work kernel/entry/common.c:252 [inline] syscall_exit_to_user_mode_prepare+0x129/0x220 kernel/entry/common.c:279 __syscall_exit_to_user_mode_work kernel/entry/common.c:284 [inline] syscall_exit_to_user_mode+0xd/0x50 kernel/entry/common.c:297 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe4e3aafd07 Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe21e28f98 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe4e3aafd07 RDX: 00007ffe21e2905a RSI: 000000000000000a RDI: 00007ffe21e29050 RBP: 00007ffe21e29050 R08: 00000000ffffffff R09: 00007ffe21e28e30 R10: 0000555555b3c653 R11: 0000000000000202 R12: 00007ffe21e2a0c0 R13: 0000555555b3c5f0 R14: 00007ffe21e28fc0 R15: 0000000000000013