loop0: detected capacity change from 0 to 4096 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=15) Remounting filesystem read-only NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=15) ------------[ cut here ]------------ warn && !folio_test_uptodate(folio) WARNING: mm/page-writeback.c:2666 at __folio_mark_dirty+0x202/0xe40 mm/page-writeback.c:2666, CPU#0: syz.0.0/5316 Modules linked in: CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__folio_mark_dirty+0x202/0xe40 mm/page-writeback.c:2666 Code: 3c 20 00 74 08 48 89 df e8 bb 4a 2c 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 2a 9c c0 ff 49 83 e6 08 75 20 e8 3f 97 c0 ff 90 <0f> 0b 90 eb 1a e8 34 97 c0 ff 48 8b 2c 24 e9 56 07 00 00 e8 26 97 RSP: 0018:ffffc9000f527640 EFLAGS: 00010087 RAX: ffffffff82050411 RBX: ffffea0001422e40 RCX: 0000000000100000 RDX: ffffc9000ec5a000 RSI: 0000000000002a0e RDI: 0000000000002a0f RBP: ffff888011a31668 R08: ffffea0001422e47 R09: 1ffffd40002845c8 R10: dffffc0000000000 R11: fffff940002845c9 R12: dffffc0000000000 R13: ffff888011a31670 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f40c5e4e6c0(0000) GS:ffff88808ca59000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0609b8a000 CR3: 0000000036a7c000 CR4: 0000000000352ef0 Call Trace: filemap_dirty_folio+0x10d/0x190 mm/page-writeback.c:2698 nilfs_dirty_folio+0x50/0x360 fs/nilfs2/inode.c:183 __bio_release_pages+0x103/0x1a0 block/bio.c:1188 bio_release_pages include/linux/bio.h:495 [inline] dio_bio_complete fs/direct-io.c:515 [inline] dio_await_completion fs/direct-io.c:534 [inline] __blockdev_direct_IO+0x2afc/0x32f0 fs/direct-io.c:1300 blockdev_direct_IO include/linux/fs.h:3114 [inline] nilfs_direct_IO+0xed/0x120 fs/nilfs2/inode.c:269 generic_file_read_iter+0x31c/0x510 mm/filemap.c:2969 new_sync_read fs/read_write.c:493 [inline] vfs_read+0x582/0xa70 fs/read_write.c:574 ksys_read+0x150/0x270 fs/read_write.c:717 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f40c4f9c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40c5e4e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40c5215fa0 RCX: 00007f40c4f9c799 RDX: 0000000000001000 RSI: 0000200000001400 RDI: 0000000000000005 RBP: 00007f40c5032bd9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40c5216038 R14: 00007f40c5215fa0 R15: 00007ffcf5fbdf78