list_add corruption. prev->next should be next (ffffffff88573fc0), but was 0000000000000000. (prev=ffff8801b6edf8d8).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:28!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 0 PID: 20988 Comm: syz-executor0 Not tainted 4.18.0-rc8+ #87
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:ffff8801979178f8 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff88573fc0 RCX: ffffc90001e24000
RDX: 0000000000000000 RSI: ffffffff81632481 RDI: 0000000000000001
RBP: ffff880197917910 R08: ffff88019102c740 R09: ffffed003b604fc0
R10: ffffed003b604fc0 R11: ffff8801db027e07 R12: ffff8801af8434d8
R13: ffff8801af8434d8 R14: ffff8801b6edf8d8 R15: ffff8801af8436a8
FS:  0000000000000000(0000) GS:ffff8801db000000(0063) knlGS:00000000f5f4db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032621000 CR3: 00000001d8ef7000 CR4: 00000000001406f0
DR0: 00000000200001c0 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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
 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]
 __ia32_sys_write+0x71/0xb0 fs/read_write.c:607
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f51cb9
Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 
RSP: 002b:00000000f5f4d0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000080
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace f10de9e5aef2bdd4 ]---
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:ffff8801979178f8 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff88573fc0 RCX: ffffc90001e24000
RDX: 0000000000000000 RSI: ffffffff81632481 RDI: 0000000000000001
RBP: ffff880197917910 R08: ffff88019102c740 R09: ffffed003b604fc0
R10: ffffed003b604fc0 R11: ffff8801db027e07 R12: ffff8801af8434d8
R13: ffff8801af8434d8 R14: ffff8801b6edf8d8 R15: ffff8801af8436a8
FS:  0000000000000000(0000) GS:ffff8801db000000(0063) knlGS:00000000f5f4db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032621000 CR3: 00000001d8ef7000 CR4: 00000000001426f0
DR0: 00000000200001c0 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600