list_add corruption. prev->next should be next (ffffffff885b3180), but was 00000000ffffffff. (prev=ffff88808b1b0218).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:26!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 16314 Comm: syz-executor.1 Not tainted 4.14.190-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880963f0100 task.stack: ffff888050c80000
RIP: 0010:__list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26
RSP: 0018:ffff888050c87bc8 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffff888092531200 RCX: 0000000000000000
RDX: 0000000000015a4a RSI: ffffffff814a46a0 RDI: ffffed100a190f6f
RBP: ffff8880925313d8 R08: 0000000000000075 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff885b3180
R13: 0000000000000400 R14: ffff888092531418 R15: 0000000000000000
FS:  00007f4bc34c3700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31c2c000 CR3: 0000000095cd7000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
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:2327 [inline]
 rdma_listen+0x656/0x9b0 drivers/infiniband/core/cma.c:3338
 ucma_listen+0x10b/0x170 drivers/infiniband/core/ucma.c:1078
 ucma_write+0x206/0x2c0 drivers/infiniband/core/ucma.c:1672
 __vfs_write+0xe4/0x630 fs/read_write.c:480
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cc79
RSP: 002b:00007f4bc34c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000000375c0 RCX: 000000000045cc79
RDX: 0000000000000010 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 000000000078bfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bfac
R13: 00007ffc46d72bdf R14: 00007f4bc34c39c0 R15: 000000000078bfac
Code: 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 80 5c e4 86 e8 1c b6 44 fe 0f 0b 48 89 f1 48 c7 c7 00 5c e4 86 4c 89 e6 e8 08 b6 44 fe <0f> 0b 48 89 ee 48 c7 c7 a0 5d e4 86 e8 f7 b5 44 fe 0f 0b 4c 89 
RIP: __list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26 RSP: ffff888050c87bc8
---[ end trace a77b5bbb0a03c777 ]---