Modules linked in: irq event stamp: 77040 hardirqs last enabled at (77039): [] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (77040): [] apic_timer_interrupt+0x98/0xb0 arch/x86/entry/entry_64.S:770 softirqs last enabled at (36134): [] __do_softirq+0x74d/0xbd0 kernel/softirq.c:310 softirqs last disabled at (36087): [] invoke_softirq kernel/softirq.c:364 [inline] softirqs last disabled at (36087): [] irq_exit+0x1d3/0x210 kernel/softirq.c:405 CPU: 0 PID: 8464 Comm: syz-executor0 Not tainted 4.13.0-mm1+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c75a2340 task.stack: ffff8801c75d0000 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:lock_is_held_type+0x18b/0x210 kernel/locking/lockdep.c:4042 RSP: 0018:ffff8801c75d6b20 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 0000000000000000 RDX: 1ffffffff0b592fd RSI: ffff8801d0e4aeb0 RDI: 0000000000000282 RBP: ffff8801c75d6b40 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff84bf09a8 R11: ffffffff87060ce0 R12: ffff8801c75a2340 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff10038ebada4 FS: 00007fa54c59b700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020689000 CR3: 00000001cdc47000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_is_held include/linux/lockdep.h:436 [inline] lockdep_rht_mutex_is_held.part.4+0x1e/0x30 lib/rhashtable.c:53 lockdep_rht_mutex_is_held+0x59/0x70 lib/rhashtable.c:53 __rhashtable_lookup include/linux/rhashtable.h:626 [inline] rhashtable_lookup include/linux/rhashtable.h:650 [inline] rhashtable_lookup_fast include/linux/rhashtable.h:676 [inline] tipc_sk_lookup+0x9ef/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+0x7b7/0xfc0 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 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007fa54c59ac08 EFLAGS: 00000216 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 00000000004520a9 RDX: 0000000000000020 RSI: 0000000020689000 RDI: 000000000000000d RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000 R13: 0000000000a6f7ef R14: 00007fa54c59b9c0 R15: 0000000000000002 Code: fc ff df 41 c7 84 24 94 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d 04 ca 58 04 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83