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 0 (syz.0.0,5312,0):ocfs2_find_entry_id:421 ERROR: status = -5 VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff88801afe2460 fs:ocfs2 mode:100000 opflags:0x2 flags:0x20 state:0x0 count:2 ------------[ cut here ]------------ kernel BUG at fs/namei.c:687! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5312 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:687 [inline] RIP: 0010:may_lookup fs/namei.c:1961 [inline] RIP: 0010:link_path_walk+0x1904/0x1910 fs/namei.c:2604 Code: e8 81 6a 03 00 90 0f 0b e8 19 36 76 ff 45 89 fc e9 54 fd ff ff e8 0c 36 76 ff 4c 89 e7 48 c7 c6 40 d4 1f 8c e8 5d 6a 03 00 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000f487a20 EFLAGS: 00010246 RAX: 9c2217f6d3eb9300 RBX: ffffc9000f487b98 RCX: 9c2217f6d3eb9300 RDX: ffffc9000eb29000 RSI: 00000000000007fd RDI: 00000000000007fe RBP: 0000000000008000 R08: ffffc9000f487607 R09: 1ffff92001e90ec0 R10: dffffc0000000000 R11: fffff52001e90ec1 R12: ffff88801afe2460 R13: ffffc9000f487bb0 R14: 0000000000008000 R15: ffff88801226bc18 FS: 00007f04d32b46c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f04c75bd000 CR3: 000000001385a000 CR4: 0000000000352ef0 Call Trace: path_parentat fs/namei.c:2860 [inline] __filename_parentat+0x287/0x6f0 fs/namei.c:2884 filename_parentat fs/namei.c:2902 [inline] filename_create+0xd9/0x370 fs/namei.c:5073 filename_mkdirat+0xd2/0x510 fs/namei.c:5436 __do_sys_mkdir fs/namei.c:5470 [inline] __se_sys_mkdir+0x34/0x150 fs/namei.c:5467 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f04d239e159 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:00007f04d32b3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f04d2625fa0 RCX: 00007f04d239e159 RDX: 0000000000000000 RSI: 0000000000000020 RDI: 00002000000000c0 RBP: 00007f04d2435024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f04d2626038 R14: 00007f04d2625fa0 R15: 00007ffcbcfd65f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:687 [inline] RIP: 0010:may_lookup fs/namei.c:1961 [inline] RIP: 0010:link_path_walk+0x1904/0x1910 fs/namei.c:2604 Code: e8 81 6a 03 00 90 0f 0b e8 19 36 76 ff 45 89 fc e9 54 fd ff ff e8 0c 36 76 ff 4c 89 e7 48 c7 c6 40 d4 1f 8c e8 5d 6a 03 00 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000f487a20 EFLAGS: 00010246 RAX: 9c2217f6d3eb9300 RBX: ffffc9000f487b98 RCX: 9c2217f6d3eb9300 RDX: ffffc9000eb29000 RSI: 00000000000007fd RDI: 00000000000007fe RBP: 0000000000008000 R08: ffffc9000f487607 R09: 1ffff92001e90ec0 R10: dffffc0000000000 R11: fffff52001e90ec1 R12: ffff88801afe2460 R13: ffffc9000f487bb0 R14: 0000000000008000 R15: ffff88801226bc18 FS: 00007f04d32b46c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f04c75bd000 CR3: 000000001385a000 CR4: 0000000000352ef0