list_add corruption. prev->next should be next (ffffffff8857d0e0), but was 0000000000000000. (prev=ffff8801d74dabe0).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:28!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 1 PID: 24841 Comm: syz-executor3 Not tainted 4.18.0+ #196
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 ff 72 59 fe eb 97 48 89 d9 48 c7 c7 60 91 3a 87 e8 52 29 01 fe 0f 0b 48 89 f1 48 c7 c7 20 92 3a 87 48 89 de e8 3e 29 01 fe <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 60 93 3a 87 e8 2a 29 01 fe 0f 0b
RSP: 0018:ffff8801cae3f948 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff8857d0e0 RCX: ffffc90002256000
RDX: 0000000000000000 RSI: ffffffff8163ac51 RDI: 0000000000000001
RBP: ffff8801cae3f960 R08: ffff880192b96740 R09: ffffed003b624fd0
R10: ffffed003b624fd0 R11: ffff8801db127e87 R12: ffff8801aef76ce0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor6'.
R13: ffff8801aef76ce0 R14: ffff8801d74dabe0 R15: ffff8801aef76eb0
FS:  00007f01186d6700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffb8519db4 CR3: 000000019cb9d000 CR4: 00000000001426e0
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:2364 [inline]
 rdma_listen+0x6dc/0x990 drivers/infiniband/core/cma.c:3381
 ucma_listen+0x1a4/0x260 drivers/infiniband/core/ucma.c:1096
 ucma_write+0x336/0x420 drivers/infiniband/core/ucma.c:1680
 __vfs_write+0x117/0x9d0 fs/read_write.c:485
 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
 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:00007f01186d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f01186d66d4 RCX: 0000000000457089
RDX: 0000000000000010 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d7448 R14: 00000000004ca592 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 2ce2d2c593df58c6 ]---
RIP: 0010:__list_add_valid.cold.0+0x23/0x25 lib/list_debug.c:26
Code: e8 ff 72 59 fe eb 97 48 89 d9 48 c7 c7 60 91 3a 87 e8 52 29 01 fe 0f 0b 48 89 f1 48 c7 c7 20 92 3a 87 48 89 de e8 3e 29 01 fe <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 60 93 3a 87 e8 2a 29 01 fe 0f 0b
RSP: 0018:ffff8801cae3f948 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff8857d0e0 RCX: ffffc90002256000
RDX: 0000000000000000 RSI: ffffffff8163ac51 RDI: 0000000000000001
RBP: ffff8801cae3f960 R08: ffff880192b96740 R09: ffffed003b624fd0
R10: ffffed003b624fd0 R11: ffff8801db127e87 R12: ffff8801aef76ce0
R13: ffff8801aef76ce0 R14: ffff8801d74dabe0 R15: ffff8801aef76eb0
FS:  00007f01186d6700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffb8519db4 CR3: 000000019cb9d000 CR4: 00000000001426e0