RBP: 000000000072bea0 R08: 0000000020000300 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000000003fa R14: 00000000006f9010 R15: 000000000000003b list_del corruption. prev->next should be 00000000f577ea00, but was 00000000b8ae1788 ------------[ 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: 396 Comm: syz-executor6 Not tainted 4.16.0+ #1 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:ffff8801ba20f748 EFLAGS: 00010286 RAX: 0000000000000054 RBX: ffff8801a2839820 RCX: 0000000000000000 RDX: 0000000000000054 RSI: ffffffff815f7bf1 RDI: ffffed0037441edf RBP: ffff8801ba20f760 R08: ffff8801b81f4280 R09: ffffed003b624fb0 R10: ffffed003b624fb0 R11: ffff8801db127d87 R12: ffff8801c94319a0 R13: ffff8801c956b260 R14: ffff8801ba20f838 R15: dffffc0000000000 FS: 00007fe87b1df700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f9b2c7028 CR3: 00000001d68db000 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:518 [inline] __dentry_kill+0x295/0x770 fs/dcache.c:571 dentry_kill fs/dcache.c:616 [inline] dput.part.25+0x6f9/0x9a0 fs/dcache.c:831 dput+0x1f/0x30 fs/dcache.c:795 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: 0033:0x4552d9 RSP: 002b:00007fe87b1dec68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe87b1df6d4 RCX: 00000000004552d9 RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 RBP: 000000000072bea0 R08: 0000000020000300 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000000003fa R14: 00000000006f9010 R15: 000000000000003b Code: a0 1a d8 87 e8 4a c1 2c fe 0f 0b 48 89 de 48 c7 c7 c0 1b d8 87 e8 39 c1 2c fe 0f 0b 48 89 de 48 c7 c7 60 1b d8 87 e8 28 c1 2c 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: ffff8801ba20f748 ---[ end trace d1629348697b3c06 ]---