loop0: detected capacity change from 0 to 32768 (syz.0.0,5328,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. (syz.0.0,5328,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5328,0):ocfs2_dio_end_io:2400 ERROR: Direct IO failed, bytes = -5 (syz.0.0,5328,0):ocfs2_assign_bh:2417 ERROR: status = -5 (syz.0.0,5328,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -5 (syz.0.0,5328,0):ocfs2_inode_lock_atime:2602 ERROR: status = -5 (syz.0.0,5328,0):ocfs2_readdir:1993 ERROR: status = -5 VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff888047a1b338 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: 5328 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 52 f5 7c ff 44 89 fd e9 6a fd ff ff e8 45 f5 7c ff 48 89 ef 48 c7 c6 00 17 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:ffffc9000e3cfa20 EFLAGS: 00010246 RAX: 04f09d11ccd15300 RBX: ffffc9000e3cfc58 RCX: 04f09d11ccd15300 RDX: ffffc9000ec12000 RSI: 00000000000007e5 RDI: 00000000000007e6 RBP: ffff888047a1b338 R08: ffffc9000e3cf607 R09: 1ffff92001c79ec0 R10: dffffc0000000000 R11: fffff52001c79ec1 R12: 0000000000008000 R13: ffffc9000e3cfc20 R14: 0000000000008000 R15: ffff88801aa60218 FS: 00007efe50ba46c0(0000) GS:ffff88808ca52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efe4c1f4fe8 CR3: 00000000448a2000 CR4: 0000000000352ef0 Call Trace: path_lookupat+0xe4/0x8c0 fs/namei.c:2803 filename_lookup+0x256/0x5d0 fs/namei.c:2833 user_path_at+0x40/0x160 fs/namei.c:3612 do_mount fs/namespace.c:4169 [inline] __do_sys_mount fs/namespace.c:4361 [inline] __se_sys_mount+0x2dc/0x420 fs/namespace.c:4338 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: 0033:0x7efe4fd9c799 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:00007efe50ba3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007efe50015fa0 RCX: 00007efe4fd9c799 RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000000 RBP: 00007efe4fe32c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000050048 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efe50016038 R14: 00007efe50015fa0 R15: 00007ffef5d55718 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 52 f5 7c ff 44 89 fd e9 6a fd ff ff e8 45 f5 7c ff 48 89 ef 48 c7 c6 00 17 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:ffffc9000e3cfa20 EFLAGS: 00010246 RAX: 04f09d11ccd15300 RBX: ffffc9000e3cfc58 RCX: 04f09d11ccd15300 RDX: ffffc9000ec12000 RSI: 00000000000007e5 RDI: 00000000000007e6 RBP: ffff888047a1b338 R08: ffffc9000e3cf607 R09: 1ffff92001c79ec0 R10: dffffc0000000000 R11: fffff52001c79ec1 R12: 0000000000008000 R13: ffffc9000e3cfc20 R14: 0000000000008000 R15: ffff88801aa60218 FS: 00007efe50ba46c0(0000) GS:ffff88808ca52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000002f4 CR3: 00000000448a2000 CR4: 0000000000352ef0