Modules linked in: irq event stamp: 258504 hardirqs last enabled at (258503): [] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (258504): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:702 softirqs last enabled at (258502): [] __do_softirq+0x7ba/0xba3 kernel/softirq.c:310 softirqs last disabled at (258495): [] invoke_softirq kernel/softirq.c:364 [inline] softirqs last disabled at (258495): [] irq_exit+0x1cc/0x200 kernel/softirq.c:405 CPU: 1 PID: 10393 Comm: syz-executor0 Not tainted 4.13.0-rc7+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801ca640180 task.stack: ffff8801cb7f0000 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:814 [inline] RIP: 0010:lock_acquire+0x256/0x580 kernel/locking/lockdep.c:3858 RSP: 0018:ffff8801cb7f6a78 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: ffff8801ca640180 RCX: 0000000000000000 RDX: 1ffffffff0b59371 RSI: 00000000ab214c58 RDI: 0000000000000286 RBP: ffff8801cb7f6b70 R08: 0000000000000003 R09: 0000000000000002 R10: ffff8801cb7f6a58 R11: ffffffff84bced28 R12: 1ffff100396fed55 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 FS: 00007f9320ced700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020689000 CR3: 00000001c851d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_acquire include/linux/rcupdate.h:239 [inline] rcu_read_lock include/linux/rcupdate.h:609 [inline] rhashtable_lookup_fast include/linux/rhashtable.h:675 [inline] tipc_sk_lookup+0x2bd/0xdf0 net/tipc/socket.c:2279 tipc_nl_publ_dump+0x21d/0xef0 net/tipc/socket.c:2886 __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+0x7b7/0xfb0 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:2397 genl_rcv+0x28/0x40 net/netlink/genetlink.c:634 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x4e8/0x6f0 net/netlink/af_netlink.c:1291 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 sock_write_iter+0x31a/0x5d0 net/socket.c:912 call_write_iter include/linux/fs.h:1743 [inline] new_sync_write fs/read_write.c:457 [inline] __vfs_write+0x684/0x970 fs/read_write.c:470 vfs_write+0x189/0x510 fs/read_write.c:518 SYSC_write fs/read_write.c:565 [inline] SyS_write+0xef/0x220 fs/read_write.c:557 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x451e59 RSP: 002b:00007f9320cecc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000718160 RCX: 0000000000451e59 RDX: 0000000000000020 RSI: 0000000020689000 RDI: 0000000000000008 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000 R13: 0000000000a6f7ef R14: 00007f9320ced9c0 R15: 0000000000000008 Code: 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 95 02 00 00 48 83 3d a1 e0 56 04 00 0f 84 d1 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 00 00