list_add corruption. prev->next should be next (ffffffff887c0e80), but was 0000000014000600. (prev=ffff8801cca1c2a0).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:28!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 0 PID: 17002 Comm: syz-executor7 Not tainted 4.19.0-rc1+ #120
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 1f 1e 49 fe eb 97 48 89 d9 48 c7 c7 60 17 5d 87 e8 32 f8 f0 fd 0f 0b 48 89 f1 48 c7 c7 20 18 5d 87 48 89 de e8 1e f8 f0 fd <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 60 19 5d 87 e8 0a f8 f0 fd 0f 0b
RSP: 0018:ffff8801bd2978f8 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff887c0e80 RCX: ffffc90002688000
RDX: 0000000000000000 RSI: ffffffff8163ac01 RDI: 0000000000000001
RBP: ffff8801bd297910 R08: ffff8801910de440 R09: ffffed003b605010
R10: ffffed003b605010 R11: ffff8801db028087 R12: ffff8801d6bc8f60
R13: ffff8801d6bc8f60 R14: ffff8801cca1c2a0 R15: ffff8801d6bc9130
FS:  0000000000000000(0000) GS:ffff8801db000000(0063) knlGS:00000000f5f91b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002f721000 CR3: 00000001c8d7a000 CR4: 00000000001406f0
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+0x1fc/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: 0023:0xf7f95ca9
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:00000000f5f910cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000100
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 f7bf7320db02eff8 ]---
RIP: 0010:__list_add_valid.cold.0+0x23/0x25 lib/list_debug.c:26
Code: e8 1f 1e 49 fe eb 97 48 89 d9 48 c7 c7 60 17 5d 87 e8 32 f8 f0 fd 0f 0b 48 89 f1 48 c7 c7 20 18 5d 87 48 89 de e8 1e f8 f0 fd <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 60 19 5d 87 e8 0a f8 f0 fd 0f 0b
RSP: 0018:ffff8801bd2978f8 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff887c0e80 RCX: ffffc90002688000
RDX: 0000000000000000 RSI: ffffffff8163ac01 RDI: 0000000000000001
RBP: ffff8801bd297910 R08: ffff8801910de440 R09: ffffed003b605010
R10: ffffed003b605010 R11: ffff8801db028087 R12: ffff8801d6bc8f60
R13: ffff8801d6bc8f60 R14: ffff8801cca1c2a0 R15: ffff8801d6bc9130
FS:  0000000000000000(0000) GS:ffff8801db000000(0063) knlGS:00000000f5f91b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002f721000 CR3: 00000001c8d7a000 CR4: 00000000001406f0