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.0.0,5323,0):ocfs2_validate_inode_block:1449 ERROR: Invalid dinode #65: Corrupt state (nlink = 0 or mode = 0) detected! (syz.0.0,5323,0):ocfs2_dir_foreach_blk_id:1794 ERROR: Unable to read inode block for dir 65 VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)) encountered for inode ffff888055cf8878 fs ocfs2 mode 100000 opflags 0x2 flags 0x20 state 0x0 count 2 ------------[ cut here ]------------ kernel BUG at fs/namei.c:630! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5323 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:630 [inline] RIP: 0010:may_lookup fs/namei.c:1908 [inline] RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2545 Code: e8 ca 2c e3 fe 90 0f 0b e8 42 6f 7f ff 44 89 fd e9 6a fd ff ff e8 35 6f 7f ff 48 89 ef 48 c7 c6 60 e9 bd 8b e8 a6 2c e3 fe 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:ffffc9000daffa20 EFLAGS: 00010286 RAX: 000000000000008e RBX: ffffc9000daffb98 RCX: c207210cf4748b00 RDX: ffffc9000f402000 RSI: 00000000000008b6 RDI: 00000000000008b7 RBP: ffff888055cf8878 R08: ffffc9000daff747 R09: 1ffff92001b5fee8 R10: dffffc0000000000 R11: fffff52001b5fee9 R12: 0000000000008000 R13: ffffc9000daffb60 R14: 0000000000008000 R15: ffff888038c48020 FS: 00007fb3497f36c0(0000) GS:ffff88808cce8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000004280 CR3: 0000000012178000 CR4: 0000000000352ef0 Call Trace: path_parentat fs/namei.c:2801 [inline] __filename_parentat+0x27f/0x6f0 fs/namei.c:2825 filename_parentat fs/namei.c:2843 [inline] filename_create+0xd9/0x370 fs/namei.c:4869 do_mkdirat+0xd2/0x4b0 fs/namei.c:5165 __do_sys_mkdirat fs/namei.c:5195 [inline] __se_sys_mkdirat fs/namei.c:5193 [inline] __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:5193 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb34899af79 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:00007fb3497f3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fb348c15fa0 RCX: 00007fb34899af79 RDX: 00000000000001d0 RSI: 0000200000000280 RDI: ffffffffffffff9c RBP: 00007fb348a316e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb348c16038 R14: 00007fb348c15fa0 R15: 00007ffca2946118 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:630 [inline] RIP: 0010:may_lookup fs/namei.c:1908 [inline] RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2545 Code: e8 ca 2c e3 fe 90 0f 0b e8 42 6f 7f ff 44 89 fd e9 6a fd ff ff e8 35 6f 7f ff 48 89 ef 48 c7 c6 60 e9 bd 8b e8 a6 2c e3 fe 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:ffffc9000daffa20 EFLAGS: 00010286 RAX: 000000000000008e RBX: ffffc9000daffb98 RCX: c207210cf4748b00 RDX: ffffc9000f402000 RSI: 00000000000008b6 RDI: 00000000000008b7 RBP: ffff888055cf8878 R08: ffffc9000daff747 R09: 1ffff92001b5fee8 R10: dffffc0000000000 R11: fffff52001b5fee9 R12: 0000000000008000 R13: ffffc9000daffb60 R14: 0000000000008000 R15: ffff888038c48020 FS: 00007fb3497f36c0(0000) GS:ffff88808cce8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3497d1ff0 CR3: 0000000012178000 CR4: 0000000000352ef0