IPVS: set_ctl: invalid protocol: 59 127.0.0.1:20004
list_add corruption. prev->next should be next (ffffffff88573fc0), but was 0000000000000000. (prev=ffff8801d9588e18).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:28!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 0 PID: 4336 Comm: syz-executor3 Not tainted 4.18.0-rc8+ #184
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add_valid.cold.0+0x23/0x25 lib/list_debug.c:26
Code: e8 af 77 59 fe eb 97 48 89 d9 48 c7 c7 20 65 3a 87 e8 32 90 02 fe 0f 0b 48 89 f1 48 c7 c7 e0 65 3a 87 48 89 de e8 1e 90 02 fe <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 20 67 3a 87 e8 0a 90 02 fe 0f 0b 
RSP: 0018:ffff88019a677948 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff88573fc0 RCX: ffffc90005e2c000
RDX: 0000000000000000 RSI: ffffffff81632481 RDI: ffff88019a677640
RBP: ffff88019a677960 R08: ffff8801909243c0 R09: 0000000000000006
R10: ffff8801909243c0 R11: 0000000000000000 R12: ffff8801cdd60c98
R13: ffff8801cdd60c98 R14: ffff8801d9588e18 R15: ffff8801cdd60e68
FS:  00007fa8a126b700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc619cc2db8 CR3: 0000000190573000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Invalid option length (316) for dns_resolver key
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_add include/linux/list.h:60 [inline]
 list_add_tail include/linux/list.h:93 [inline]
 cma_listen_on_all drivers/infiniband/core/cma.c:2328 [inline]
 rdma_listen+0x6dc/0x990 drivers/infiniband/core/cma.c:3354
 ucma_listen+0x1a4/0x260 drivers/infiniband/core/ucma.c:1096
 ucma_write+0x336/0x420 drivers/infiniband/core/ucma.c:1680
 __vfs_write+0x117/0x9f0 fs/read_write.c:485
Invalid option length (316) for dns_resolver key
 vfs_write+0x1f8/0x560 fs/read_write.c:549
 ksys_write+0x101/0x260 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
Invalid option length (316) for dns_resolver key
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457089
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007fa8a126ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa8a126b6d4 RCX: 0000000000457089
RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d6fd8 R14: 00000000004ca3d7 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace a0eb31eb8e10eba0 ]---
RIP: 0010:__list_add_valid.cold.0+0x23/0x25 lib/list_debug.c:26
Code: e8 af 77 59 fe eb 97 48 89 d9 48 c7 c7 20 65 3a 87 e8 32 90 02 fe 0f 0b 48 89 f1 48 c7 c7 e0 65 3a 87 48 89 de e8 1e 90 02 fe <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 20 67 3a 87 e8 0a 90 02 fe 0f 0b 
RSP: 0018:ffff88019a677948 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff88573fc0 RCX: ffffc90005e2c000
RDX: 0000000000000000 RSI: ffffffff81632481 RDI: ffff88019a677640
RBP: ffff88019a677960 R08: ffff8801909243c0 R09: 0000000000000006
R10: ffff8801909243c0 R11: 0000000000000000 R12: ffff8801cdd60c98
R13: ffff8801cdd60c98 R14: ffff8801d9588e18 R15: ffff8801cdd60e68
FS:  00007fa8a126b700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc619cc2db8 CR3: 0000000190573000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400