loop0: detected capacity change from 0 to 32768
=======================================================
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.
=======================================================
ocfs2: Slot 0 on device (7,0) was already allocated to this node!
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
(syz.0.0,5327,0):ocfs2_truncate_log_needs_flush:5822 ERROR: bug expression: le16_to_cpu(tl->tl_used) > le16_to_cpu(tl->tl_count)
(syz.0.0,5327,0):ocfs2_truncate_log_needs_flush:5822 ERROR: slot 0, invalid truncate log parameters: used = 2048, count = 39
------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:5822!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-10167-g93d52288679e #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:ocfs2_truncate_log_needs_flush fs/ocfs2/alloc.c:5819 [inline]
RIP: 0010:ocfs2_remove_btree_range+0x1861/0x1870 fs/ocfs2/alloc.c:5744
Code: 0f b7 00 4c 89 ff 48 c7 c6 e9 8d 57 8e ba be 16 00 00 48 c7 c1 60 47 89 8c 45 89 e0 41 89 d9 50 e8 44 25 22 00 48 83 c4 08 90 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d37ec60 EFLAGS: 00010296
RAX: d6893d50212c8300 RBX: 0000000000000800 RCX: d6893d50212c8300
RDX: ffffc9000e5e2000 RSI: 0000000000001c62 RDI: 0000000000001c63
RBP: ffffc9000d37ef38 R08: ffffffff81a29c5c R09: 1ffff92001a6fcfc
R10: dffffc0000000000 R11: fffff52001a6fcfd R12: 0000000000000000
R13: ffff8880540f7ac2 R14: 1ffff1100a81ef58 R15: ffffc9000d37ed20
FS: 00007f2d37c5d6c0(0000) GS:ffff88808c5b7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562fc6d28b18 CR3: 0000000043a50000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ocfs2_commit_truncate+0xcdd/0x2570 fs/ocfs2/alloc.c:7364
ocfs2_truncate_file+0xd23/0x1560 fs/ocfs2/file.c:509
ocfs2_setattr+0x1894/0x1ef0 fs/ocfs2/file.c:1212
notify_change+0xbca/0xe90 fs/attr.c:552
do_truncate+0x222/0x310 fs/open.c:65
handle_truncate fs/namei.c:3466 [inline]
do_open fs/namei.c:3849 [inline]
path_openat+0x2e4f/0x35d0 fs/namei.c:4004
do_filp_open+0x284/0x4e0 fs/namei.c:4031
do_sys_openat2+0x12b/0x1d0 fs/open.c:1429
do_sys_open fs/open.c:1444 [inline]
__do_sys_creat fs/open.c:1522 [inline]
__se_sys_creat fs/open.c:1516 [inline]
__x64_sys_creat+0x124/0x170 fs/open.c:1516
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2d36d8d169
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:00007f2d37c5d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f2d36fa5fa0 RCX: 00007f2d36d8d169
RDX: 0000000000000000 RSI: 000000000000000d RDI: 0000200000000240
RBP: 00007f2d36e0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2d36fa5fa0 R15: 00007fff929e12b8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_truncate_log_needs_flush fs/ocfs2/alloc.c:5819 [inline]
RIP: 0010:ocfs2_remove_btree_range+0x1861/0x1870 fs/ocfs2/alloc.c:5744
Code: 0f b7 00 4c 89 ff 48 c7 c6 e9 8d 57 8e ba be 16 00 00 48 c7 c1 60 47 89 8c 45 89 e0 41 89 d9 50 e8 44 25 22 00 48 83 c4 08 90 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d37ec60 EFLAGS: 00010296
RAX: d6893d50212c8300 RBX: 0000000000000800 RCX: d6893d50212c8300
RDX: ffffc9000e5e2000 RSI: 0000000000001c62 RDI: 0000000000001c63
RBP: ffffc9000d37ef38 R08: ffffffff81a29c5c R09: 1ffff92001a6fcfc
R10: dffffc0000000000 R11: fffff52001a6fcfd R12: 0000000000000000
R13: ffff8880540f7ac2 R14: 1ffff1100a81ef58 R15: ffffc9000d37ed20
FS: 00007f2d37c5d6c0(0000) GS:ffff88808c5b7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c225515058 CR3: 0000000043a50000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400