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 ]------------ WARNING: mm/page-writeback.c:2710 at __folio_mark_dirty+0x202/0xe10 mm/page-writeback.c:2710, CPU#0: syz.0.0/5337 Modules linked in: CPU: 0 UID: 0 PID: 5337 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~bpo12+1 04/01/2014 RIP: 0010:__folio_mark_dirty+0x202/0xe10 mm/page-writeback.c:2710 Code: 3c 20 00 74 08 48 89 df e8 fb ce 2a 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 2a 29 c3 ff 49 83 e6 08 75 20 e8 3f 24 c3 ff 90 <0f> 0b 90 eb 1a e8 34 24 c3 ff 48 8b 2c 24 e9 5d 07 00 00 e8 26 24 RSP: 0018:ffffc9000e76f638 EFLAGS: 00010087 RAX: ffffffff81fde321 RBX: ffffea00015483c0 RCX: 0000000000100000 RDX: ffffc90020d62000 RSI: 0000000000002bba RDI: 0000000000002bbb RBP: ffff88802302b5f8 R08: ffffea00015483c7 R09: 1ffffd40002a9078 R10: dffffc0000000000 R11: fffff940002a9079 R12: dffffc0000000000 R13: ffff88802302b600 R14: 0000000000000000 R15: 0000000000000001 FS: 00007fd1771a16c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd17717ffc8 CR3: 0000000042e8f000 CR4: 0000000000352ef0 Call Trace: filemap_dirty_folio+0x10d/0x190 mm/page-writeback.c:2742 nilfs_dirty_folio+0x50/0x360 fs/nilfs2/inode.c:183 __bio_release_pages+0x103/0x1a0 block/bio.c:1151 bio_release_pages include/linux/bio.h:474 [inline] dio_bio_complete fs/direct-io.c:515 [inline] dio_await_completion fs/direct-io.c:534 [inline] __blockdev_direct_IO+0x2cab/0x3490 fs/direct-io.c:1300 blockdev_direct_IO include/linux/fs.h:3075 [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:491 [inline] vfs_read+0x55a/0xa30 fs/read_write.c:572 ksys_read+0x145/0x250 fs/read_write.c:715 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd17638f7c9 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:00007fd1771a1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fd1765e5fa0 RCX: 00007fd17638f7c9 RDX: 0000000000001000 RSI: 0000200000001400 RDI: 0000000000000004 RBP: 00007fd176413f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd1765e6038 R14: 00007fd1765e5fa0 R15: 00007ffe728234e8