netlink: 4 bytes leftover after parsing attributes in process `syz-executor0'. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 1 PID: 12767 Comm: syz-executor5 Not tainted 4.18.0-rc8+ #182 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_aton+0x3e/0x180 net/core/utils.c:63 Code: f6 41 55 41 54 49 89 fc 53 48 83 ec 08 c7 45 d4 00 00 00 00 e8 73 a7 65 fc 4c 89 e0 4c 89 e2 c1 65 d4 08 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 1a 01 00 00 41 0f be 1c 24 RSP: 0018:ffff88019558f1e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8801af29f6a4 RCX: ffffc90007c43000 RDX: 0000000000000000 RSI: ffffffff851670dd RDI: 0000000000000000 RBP: ffff88019558f210 R08: ffff8801bd8b61c0 R09: ffffed0032ab1e01 R10: ffffed0032ab1e01 R11: 0000000000000003 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fb4b7e4b700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 00000001d821d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rdma_create_trans+0xdbe/0x1ed0 net/9p/trans_rdma.c:678 p9_client_create+0x8ed/0x1770 net/9p/client.c:1063 v9fs_session_init+0x21a/0x1a80 fs/9p/v9fs.c:400 v9fs_mount+0x7c/0x900 fs/9p/vfs_super.c:135 mount_fs+0xae/0x328 fs/super.c:1277 vfs_kern_mount.part.34+0xdc/0x4e0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2518 [inline] do_mount+0x581/0x30e0 fs/namespace.c:2848 ksys_mount+0x12d/0x140 fs/namespace.c:3064 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb4b7e4ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb4b7e4b6d4 RCX: 0000000000457089 RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 0000000000000000 RBP: 0000000000930140 R08: 00000000200001c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d2310 R14: 00000000004c7a36 R15: 0000000000000001 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace 286b5d17621c5790 ]--- RIP: 0010:in_aton+0x3e/0x180 net/core/utils.c:63 Code: f6 41 55 41 54 49 89 fc 53 48 83 ec 08 c7 45 d4 00 00 00 00 e8 73 a7 65 fc 4c 89 e0 4c 89 e2 c1 65 d4 08 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 1a 01 00 00 41 0f be 1c 24 RSP: 0018:ffff88019558f1e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8801af29f6a4 RCX: ffffc90007c43000 RDX: 0000000000000000 RSI: ffffffff851670dd RDI: 0000000000000000 RBP: ffff88019558f210 R08: ffff8801bd8b61c0 R09: ffffed0032ab1e01 R10: ffffed0032ab1e01 R11: 0000000000000003 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fb4b7e4b700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 00000001d821d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400