loop0: detected capacity change from 32768 to 0 VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff8880446d2460 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: 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:687 [inline] RIP: 0010:may_lookup fs/namei.c:1961 [inline] RIP: 0010:link_path_walk+0x1904/0x1910 fs/namei.c:2604 Code: e8 91 69 03 00 90 0f 0b e8 d9 32 79 ff 45 89 fc e9 54 fd ff ff e8 cc 32 79 ff 4c 89 e7 48 c7 c6 40 c6 fe 8b e8 6d 69 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: 0000:ffffc9000f7cf968 EFLAGS: 00010246 RAX: 5810a1f3e61dba00 RBX: ffffc9000f7cfc58 RCX: 5810a1f3e61dba00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000008000 R08: ffffc9000f7cf547 R09: 1ffff92001ef9ea8 R10: dffffc0000000000 R11: fffff52001ef9ea9 R12: ffff8880446d2460 R13: ffffc9000f7cfc70 R14: 0000000000008000 R15: ffff888012beb818 FS: 00007fb25cfd46c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001ad46000 CR4: 0000000000352ef0 Call Trace: path_openat+0x236/0x3830 fs/namei.c:4859 do_file_open+0x23e/0x4a0 fs/namei.c:4892 do_sys_openat2+0x115/0x200 fs/open.c:1368 do_sys_open fs/open.c:1374 [inline] __do_sys_creat fs/open.c:1452 [inline] __se_sys_creat fs/open.c:1446 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1446 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: 0033:0x7fb260b9de99 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:00007fb25cfd3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fb260e26090 RCX: 00007fb260b9de99 RDX: 0000000000000000 RSI: 122dfb579e447c7a RDI: 0000200000000040 RBP: 00007fb260c33eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb260e26128 R14: 00007fb260e26090 R15: 00007ffc8e357e78 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 91 69 03 00 90 0f 0b e8 d9 32 79 ff 45 89 fc e9 54 fd ff ff e8 cc 32 79 ff 4c 89 e7 48 c7 c6 40 c6 fe 8b e8 6d 69 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: 0000:ffffc9000f7cf968 EFLAGS: 00010246 RAX: 5810a1f3e61dba00 RBX: ffffc9000f7cfc58 RCX: 5810a1f3e61dba00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000008000 R08: ffffc9000f7cf547 R09: 1ffff92001ef9ea8 R10: dffffc0000000000 R11: fffff52001ef9ea9 R12: ffff8880446d2460 R13: ffffc9000f7cfc70 R14: 0000000000008000 R15: ffff888012beb818 FS: 00007fb25cfd46c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6a300f67e8 CR3: 000000001ad46000 CR4: 0000000000352ef0