loop0: detected capacity change from 0 to 32768 JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5317,0):ocfs2_validate_inode_block:1449 ERROR: Invalid dinode #65: Corrupt state (nlink = 0 or mode = 0) detected! (syz.0.0,5317,0):ocfs2_dir_foreach_blk_id:1794 ERROR: Unable to read inode block for dir 65 VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff888047bd3338 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: 5317 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:2595 Code: e8 8a 72 03 00 90 0f 0b e8 d2 01 7d ff 44 89 fd e9 6a fd ff ff e8 c5 01 7d ff 48 89 ef 48 c7 c6 c0 0e 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:ffffc9000e23f880 EFLAGS: 00010246 RAX: 365429deacbbe000 RBX: ffffc9000e23fc58 RCX: 365429deacbbe000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888047bd3338 R08: ffffc9000e23f467 R09: 1ffff92001c47e8c R10: dffffc0000000000 R11: fffff52001c47e8d R12: 0000000000008000 R13: ffffc9000e23fc20 R14: 0000000000008000 R15: ffff888012610218 FS: 00007f50788046c0(0000) GS:ffff88808ca58000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3889e22490 CR3: 0000000041a70000 CR4: 0000000000352ef0 Call Trace: path_openat+0x2c3/0x3860 fs/namei.c:4826 do_file_open+0x23e/0x4a0 fs/namei.c:4859 do_sys_openat2+0x113/0x200 fs/open.c:1366 do_sys_open fs/open.c:1372 [inline] __do_sys_openat fs/open.c:1388 [inline] __se_sys_openat fs/open.c:1383 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1383 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: 0033:0x7f507799c799 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:00007f5078804028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5077c15fa0 RCX: 00007f507799c799 RDX: 0000000000000000 RSI: 00002000000000c0 RDI: ffffffffffffff9c RBP: 00007f5077a32bd9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5077c16038 R14: 00007f5077c15fa0 R15: 00007ffeca0ac3d8 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:2595 Code: e8 8a 72 03 00 90 0f 0b e8 d2 01 7d ff 44 89 fd e9 6a fd ff ff e8 c5 01 7d ff 48 89 ef 48 c7 c6 c0 0e 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:ffffc9000e23f880 EFLAGS: 00010246 RAX: 365429deacbbe000 RBX: ffffc9000e23fc58 RCX: 365429deacbbe000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888047bd3338 R08: ffffc9000e23f467 R09: 1ffff92001c47e8c R10: dffffc0000000000 R11: fffff52001c47e8d R12: 0000000000008000 R13: ffffc9000e23fc20 R14: 0000000000008000 R15: ffff888012610218 FS: 00007f50788046c0(0000) GS:ffff88808ca58000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ac4735120 CR3: 0000000041a70000 CR4: 0000000000352ef0