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 (loop0): DAT doesn't have a block to manage vblocknr = 524288
NILFS error (device loop0): nilfs_bmap_truncate: broken bmap (inode number=15)
Remounting filesystem read-only
NILFS (loop0): error -5 truncating bmap (ino=15)
NILFS_FOLIO_BUG(ffffea0000481080): cnt=3 index#=0 flags=0xfff80000004025 mapping=ffff888044210978 ino=3
BH[0] ffff88801300ac40: cnt=1 block#=28 state=0x1b
------------[ cut here ]------------
kernel BUG at fs/nilfs2/page.c:262!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5330 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:nilfs_copy_dirty_pages+0x595/0x5f0 fs/nilfs2/page.c:262
Code: 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 b3 28 f6 fd e9 66 ff ff ff e8 e9 ca 00 08 e8 a4 28 f6 fd 4c 89 ff e8 0c f8 ff ff 90 <0f> 0b e8 94 28 f6 fd 4c 89 ff 48 c7 c6 20 bd 32 8c e8 95 c5 57 fd
RSP: 0018:ffffc9000f7df4e0 EFLAGS: 00010293
RAX: ffffffff83d05314 RBX: 0000000000000000 RCX: ffff88800022ca80
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000f7df6f8 R08: ffff88801fc24713 R09: 1ffff11003f848e2
R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 0000000000000000
R13: dffffc0000000000 R14: 1ffffd4000090211 R15: ffffea0000481080
FS: 00007ff6038bb6c0(0000) GS:ffff88808c54d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbe19f3a3d0 CR3: 000000001f10e000 CR4: 0000000000352ef0
Call Trace:
<TASK>
nilfs_mdt_save_to_shadow_map+0xbb/0x1c0 fs/nilfs2/mdt.c:552
nilfs_clean_segments+0x28d/0xbb0 fs/nilfs2/segment.c:2542
nilfs_ioctl_clean_segments fs/nilfs2/ioctl.c:922 [inline]
nilfs_ioctl+0x2619/0x2780 fs/nilfs2/ioctl.c:1352
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff60299de59
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:00007ff6038bafe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff602c25fa0 RCX: 00007ff60299de59
RDX: 0000200000000640 RSI: 0000000040786e88 RDI: 0000000000000004
RBP: 00007ff602a33e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff602c26038 R14: 00007ff602c25fa0 R15: 00007ffd1481d2a8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nilfs_copy_dirty_pages+0x595/0x5f0 fs/nilfs2/page.c:262
Code: 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 b3 28 f6 fd e9 66 ff ff ff e8 e9 ca 00 08 e8 a4 28 f6 fd 4c 89 ff e8 0c f8 ff ff 90 <0f> 0b e8 94 28 f6 fd 4c 89 ff 48 c7 c6 20 bd 32 8c e8 95 c5 57 fd
RSP: 0018:ffffc9000f7df4e0 EFLAGS: 00010293
RAX: ffffffff83d05314 RBX: 0000000000000000 RCX: ffff88800022ca80
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000f7df6f8 R08: ffff88801fc24713 R09: 1ffff11003f848e2
R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 0000000000000000
R13: dffffc0000000000 R14: 1ffffd4000090211 R15: ffffea0000481080
FS: 00007ff6038bb6c0(0000) GS:ffff88808c54d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd1481cac0 CR3: 000000001f10e000 CR4: 0000000000352ef0