Modules linked in: irq event stamp: 281182 hardirqs last enabled at (281181): [] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (281182): [] apic_timer_interrupt+0x98/0xb0 arch/x86/entry/entry_64.S:770 softirqs last enabled at (281180): [] __do_softirq+0x733/0xbb2 kernel/softirq.c:310 softirqs last disabled at (281173): [] invoke_softirq kernel/softirq.c:364 [inline] softirqs last disabled at (281173): [] irq_exit+0x1d3/0x210 kernel/softirq.c:405 CPU: 1 PID: 3008 Comm: syz-executor6 Not tainted 4.14.0-rc2+ #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d32541c0 task.stack: ffff8801d3258000 RIP: 0010:validate_nla+0x42b/0x5a0 lib/nlattr.c:105 RSP: 0018:ffff8801d325eb10 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000003 RBX: ffffffff85485d60 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 000000000000000a RDI: ffff8801d2c1cb96 RBP: ffff8801d325eb40 R08: ffffed003a77525b R09: ffff8801d3ba9280 R10: 000000000000000b R11: ffffed003a77525a R12: 0000000000000008 R13: ffff8801d2c1cb94 R14: 000000000000000c R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f7f91b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020689000 CR3: 00000001ce8d9000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nla_parse+0x22e/0x3d0 lib/nlattr.c:230 nlmsg_parse include/net/netlink.h:397 [inline] tipc_nlmsg_parse+0xa7/0xe0 net/tipc/netlink.c:271 tipc_nl_publ_dump+0x7f4/0xef0 net/tipc/socket.c:2864 __tipc_nl_compat_dumpit.isra.10+0x20c/0xa10 net/tipc/netlink_compat.c:192 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:916 [inline] tipc_nl_compat_sk_dump+0x834/0xbb0 net/tipc/netlink_compat.c:964 __tipc_nl_compat_dumpit.isra.10+0x30d/0xa10 net/tipc/netlink_compat.c:201 tipc_nl_compat_dumpit+0x1d2/0x410 net/tipc/netlink_compat.c:265 tipc_nl_compat_handle net/tipc/netlink_compat.c:1138 [inline] tipc_nl_compat_recv+0x419/0x18f0 net/tipc/netlink_compat.c:1201 genl_family_rcv_msg+0x7b7/0xfc0 net/netlink/genetlink.c:598 genl_rcv_msg+0xb2/0x140 net/netlink/genetlink.c:623 netlink_rcv_skb+0x216/0x440 net/netlink/af_netlink.c:2405 genl_rcv+0x28/0x40 net/netlink/genetlink.c:634 netlink_unicast_kernel net/netlink/af_netlink.c:1273 [inline] netlink_unicast+0x4e8/0x6f0 net/netlink/af_netlink.c:1299 netlink_sendmsg+0xa4a/0xe70 net/netlink/af_netlink.c:1862 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 sock_write_iter+0x320/0x5e0 net/socket.c:912 call_write_iter include/linux/fs.h:1770 [inline] new_sync_write fs/read_write.c:468 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:481 vfs_write+0x18f/0x510 fs/read_write.c:543 SYSC_write fs/read_write.c:588 [inline] SyS_write+0xef/0x220 fs/read_write.c:580 do_syscall_32_irqs_on arch/x86/entry/common.c:329 [inline] do_fast_syscall_32+0x3f2/0xf05 arch/x86/entry/common.c:391 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 RIP: 0023:0xf7f95c79 RSP: 002b:00000000f7f9105c EFLAGS: 00000296 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000020689000 RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Code: b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 09 84 d2 74 05 e8 c7 3e 5e ff 0f b7 5b 02 66 85 db 0f 85 ac fe ff ff e9 75 fd ff ff 70 80 29 ff 45 85 e4 0f 84 67 fd ff ff e8 62 80 29 ff 48 8d