IPVS: set_ctl: invalid protocol: 115 224.0.0.1:20003 ovf 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 Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 13070 Comm: syz-executor5 Not tainted 4.16.0-rc7+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rdma_cap_ib_cm include/rdma/ib_verbs.h:2661 [inline] RIP: 0010:rdma_init_qp_attr+0x8b/0x720 drivers/infiniband/core/cma.c:1025 RSP: 0018:ffff8801b843f840 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8801b49ec4c0 RCX: ffffffff84b3b47f RDX: 0000000000000029 RSI: ffffc90007169000 RDI: 0000000000000148 RBP: ffff8801b843f880 R08: ffffed0037087f4e R09: ffff8801b843f9cc R10: 0000000000000000 R11: ffffed0037087f4d R12: ffff8801b843f9c8 R13: ffff8801b843f908 R14: 0000000000000000 R15: ffff8801b843f8c8 FS: 00007f8222ddc700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b9bc21000 CR3: 00000001b9324001 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ucma_init_qp_attr+0x251/0x440 drivers/infiniband/core/ucma.c:1172 ucma_write+0x2d6/0x3d0 drivers/infiniband/core/ucma.c:1649 __vfs_write+0xef/0x970 fs/read_write.c:480 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454889 RSP: 002b:00007f8222ddbc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f8222ddc6d4 RCX: 0000000000454889 RDX: 0000000000000018 RSI: 0000000020000100 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000006a9 R14: 00000000006fc078 R15: 0000000000000000 Code: 00 00 00 fc ff df 80 3c 02 00 0f 85 8c 06 00 00 4c 8b 33 48 b8 00 00 00 00 00 fc ff df 49 8d be 48 01 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5d 06 00 00 44 0f b6 7d d4 48 b8 00 00 00 00 RIP: rdma_cap_ib_cm include/rdma/ib_verbs.h:2661 [inline] RSP: ffff8801b843f840 RIP: rdma_init_qp_attr+0x8b/0x720 drivers/infiniband/core/cma.c:1025 RSP: ffff8801b843f840 ---[ end trace c68bae14ab74185d ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..