VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff888047793338 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: 5333 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:1958 [inline] RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2601 Code: e8 8a 72 03 00 90 0f 0b e8 02 ea 7c ff 44 89 fd e9 6a fd ff ff e8 f5 e9 7c ff 48 89 ef 48 c7 c6 00 16 de 8b e8 66 72 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:ffffc9000e1f77c0 EFLAGS: 00010246 RAX: 037f8f83b4f0c700 RBX: ffffc9000e1f7b98 RCX: 037f8f83b4f0c700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888047793338 R08: ffffc9000e1f73a7 R09: 1ffff92001c3ee74 R10: dffffc0000000000 R11: fffff52001c3ee75 R12: 0000000000008000 R13: ffffc9000e1f7b60 R14: 0000000000008000 R15: ffff88801236a918 FS: 00007fac847786c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fac84777ff8 CR3: 00000000423fc000 CR4: 0000000000352ef0 Call Trace: path_openat+0x2c3/0x3860 fs/namei.c:4832 do_file_open+0x23e/0x4a0 fs/namei.c:4865 do_open_execat+0x12b/0x580 fs/exec.c:781 alloc_bprm+0x28/0x5c0 fs/exec.c:1401 class_bprm_constructor fs/exec.c:1466 [inline] do_execveat_common+0x175/0x690 fs/exec.c:1799 __do_sys_execveat fs/exec.c:1941 [inline] __se_sys_execveat fs/exec.c:1934 [inline] __x64_sys_execveat+0xc7/0xf0 fs/exec.c:1934 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fac8399c819 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:00007fac84777fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 00007fac83c16090 RCX: 00007fac8399c819 RDX: 0000000000000000 RSI: 0000200000000040 RDI: ffffffffffffff9c RBP: 00007fac83a32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fac83c16128 R14: 00007fac83c16090 R15: 00007ffe9e6871c8 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:1958 [inline] RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2601 Code: e8 8a 72 03 00 90 0f 0b e8 02 ea 7c ff 44 89 fd e9 6a fd ff ff e8 f5 e9 7c ff 48 89 ef 48 c7 c6 00 16 de 8b e8 66 72 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:ffffc9000e1f77c0 EFLAGS: 00010246 RAX: 037f8f83b4f0c700 RBX: ffffc9000e1f7b98 RCX: 037f8f83b4f0c700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888047793338 R08: ffffc9000e1f73a7 R09: 1ffff92001c3ee74 R10: dffffc0000000000 R11: fffff52001c3ee75 R12: 0000000000008000 R13: ffffc9000e1f7b60 R14: 0000000000008000 R15: ffff88801236a918 FS: 00007fac847786c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fac84777ff8 CR3: 00000000423fc000 CR4: 0000000000352ef0