------------[ cut here ]------------ IRQs not enabled as expected WARNING: CPU: 0 PID: 3821 at kernel/softirq.c:162 __local_bh_enable_ip+0x1bb/0x230 kernel/softirq.c:162 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3821 Comm: syz-executor3 Not tainted 4.16.0-rc4+ #269 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 nla_parse: 5 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 openvswitch: netlink: Flow get message rejected, Key attribute missing. panic+0x1e4/0x41c kernel/panic.c:183 netlink: 'syz-executor6': attribute type 1 has an invalid length. __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:__local_bh_enable_ip+0x1bb/0x230 kernel/softirq.c:162 RSP: 0018:ffff8801b5e8f1e0 EFLAGS: 00010082 RAX: dffffc0000000008 RBX: 0000000000000201 RCX: ffffffff815abf2e RDX: 00000000000034e0 RSI: ffffc90003742000 RDI: 1ffff10036bd1dc1 RBP: ffff8801b5e8f1f8 R08: 0000000000000000 R09: 1ffff10036bd1d93 R10: ffff8801b5e8f0d8 R11: 0000000000000002 R12: ffffffff8563bf14 R13: ffff8801baf08680 R14: ffff8801b5e8f290 R15: 1ffff10036bd1e4a __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x30/0x40 kernel/locking/spinlock.c:200 spin_unlock_bh include/linux/spinlock.h:355 [inline] rds_tcp_conn_free+0xa4/0x2d0 net/rds/tcp.c:281 __rds_conn_create+0x148f/0x1b60 net/rds/connection.c:277 rds_conn_create_outgoing+0x3f/0x50 net/rds/connection.c:309 rds_sendmsg+0xe63/0x2590 net/rds/send.c:1156 sock_sendmsg_nosec net/socket.c:629 [inline] sock_sendmsg+0xca/0x110 net/socket.c:639 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2047 __sys_sendmsg+0xe5/0x210 net/socket.c:2081 SYSC_sendmsg net/socket.c:2092 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2088 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f22d1bfbc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f22d1bfc6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004b9 R14: 00000000006f71f8 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..