loop0: detected capacity change from 0 to 32768 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. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. loop0: detected capacity change from 32768 to 32767 OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #65: signature = ÁdÖéÿÿ On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. OCFS2: File system is now read-only. (syz.0.0,5326,0):ocfs2_find_entry_id:420 ERROR: status = -30 VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff88801cd1a460 fs:ocfs2 mode:100000 opflags:0x2 flags:0x20 state:0x0 count:2 ------------[ cut here ]------------ kernel BUG at fs/namei.c:682! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5326 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:lookup_inode_permission_may_exec fs/namei.c:682 [inline] RIP: 0010:may_lookup fs/namei.c:1957 [inline] RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2600 Code: e8 ca 7c 03 00 90 0f 0b e8 62 b5 7c ff 44 89 fd e9 6a fd ff ff e8 55 b5 7c ff 48 89 ef 48 c7 c6 40 52 de 8b e8 a6 7c 03 00 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 RSP: 0018:ffffc9000ef47880 EFLAGS: 00010246 RAX: 6c689df692c40900 RBX: ffffc9000ef47c58 RCX: 6c689df692c40900 RDX: ffffc9000f799000 RSI: 0000000000000846 RDI: 0000000000000847 RBP: ffff88801cd1a460 R08: ffffc9000ef47467 R09: 1ffff92001de8e8c R10: dffffc0000000000 R11: fffff52001de8e8d R12: 0000000000008000 R13: ffffc9000ef47c20 R14: 0000000000008000 R15: ffff888012da2318 FS: 00007f08fb7c86c0(0000) GS:ffff88808c888000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3879945000 CR3: 000000001cfad000 CR4: 0000000000352ef0 Call Trace: path_openat+0x2c3/0x3860 fs/namei.c:4854 do_file_open+0x23e/0x4a0 fs/namei.c:4887 do_sys_openat2+0x113/0x200 fs/open.c:1364 do_sys_open fs/open.c:1370 [inline] __do_sys_openat fs/open.c:1386 [inline] __se_sys_openat fs/open.c:1381 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1381 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f08fa99cdd9 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:00007f08fb7c7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f08fac15fa0 RCX: 00007f08fa99cdd9 RDX: 0000000000000000 RSI: 0000200000000100 RDI: ffffffffffffff9c RBP: 00007f08faa32d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f08fac16038 R14: 00007f08fac15fa0 R15: 00007ffd9c6461d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:682 [inline] RIP: 0010:may_lookup fs/namei.c:1957 [inline] RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2600 Code: e8 ca 7c 03 00 90 0f 0b e8 62 b5 7c ff 44 89 fd e9 6a fd ff ff e8 55 b5 7c ff 48 89 ef 48 c7 c6 40 52 de 8b e8 a6 7c 03 00 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 RSP: 0018:ffffc9000ef47880 EFLAGS: 00010246 RAX: 6c689df692c40900 RBX: ffffc9000ef47c58 RCX: 6c689df692c40900 RDX: ffffc9000f799000 RSI: 0000000000000846 RDI: 0000000000000847 RBP: ffff88801cd1a460 R08: ffffc9000ef47467 R09: 1ffff92001de8e8c R10: dffffc0000000000 R11: fffff52001de8e8d R12: 0000000000008000 R13: ffffc9000ef47c20 R14: 0000000000008000 R15: ffff888012da2318 FS: 00007f08fb7c86c0(0000) GS:ffff88808c888000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000007f CR3: 000000001cfad000 CR4: 0000000000352ef0