R13: 00000000000003fb R14: 00000000006f9028 R15: 000000000000003c net/sunrpc/rpc_pipe.c: __rpc_create_common failed to allocate inode for dentry blocklayout net/sunrpc/rpc_pipe.c: rpc_mkpipe_dentry() failed to create pipe nfs/blocklayout (errno = -12) list_del corruption. prev->next should be 00000000dbc07870, but was 000000009b1d0fdc ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:53! invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 13987 Comm: syz-executor4 Not tainted 4.16.0+ #17 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid.cold.1+0x48/0x58 lib/list_debug.c:51 RSP: 0018:ffff8801b523f700 EFLAGS: 00010282 RAX: 0000000000000054 RBX: ffff8801b1b21810 RCX: 0000000000000000 RDX: 0000000000000054 RSI: ffffffff815fbf41 RDI: ffffed0036a47ed6 RBP: ffff8801b523f718 R08: ffff8801d77c00c0 R09: ffffed003b624f90 R10: ffffed003b624f90 R11: ffff8801db127c87 R12: ffff8801a93f92a0 R13: ffff8801a93f9ef0 R14: ffff8801b523f7f0 R15: dffffc0000000000 FS: 00007f7515b71700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d9004 CR3: 00000001af0ea000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] dentry_unlist fs/dcache.c:497 [inline] __dentry_kill+0x29e/0x770 fs/dcache.c:550 dentry_kill+0xc9/0x5a0 fs/dcache.c:672 dput.part.26+0x648/0x7b0 fs/dcache.c:836 dput+0x1f/0x30 fs/dcache.c:816 rpc_gssd_dummy_depopulate net/sunrpc/rpc_pipe.c:1381 [inline] rpc_fill_super+0x882/0xbb0 net/sunrpc/rpc_pipe.c:1426 mount_ns+0x12a/0x1d0 fs/super.c:1036 rpc_mount+0x9e/0xd0 net/sunrpc/rpc_pipe.c:1451 mount_fs+0xae/0x328 fs/super.c:1222 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2517 [inline] do_mount+0x564/0x3070 fs/namespace.c:2847 ksys_mount+0x12d/0x140 fs/namespace.c:3063 SYSC_mount fs/namespace.c:3077 [inline] SyS_mount+0x35/0x50 fs/namespace.c:3074 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x455279 RSP: 002b:00007f7515b70c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7515b716d4 RCX: 0000000000455279 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000020000000 RBP: 000000000072bea0 R08: 0000000020000080 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000000003fb R14: 00000000006f9028 R15: 000000000000003c Code: 00 85 d8 87 e8 a6 66 28 fe 0f 0b 48 89 de 48 c7 c7 20 86 d8 87 e8 95 66 28 fe 0f 0b 48 89 de 48 c7 c7 c0 85 d8 87 e8 84 66 28 fe <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 RIP: __list_del_entry_valid.cold.1+0x48/0x58 lib/list_debug.c:51 RSP: ffff8801b523f700 ---[ end trace 0c4cf4dbb5e2abcb ]---