list_add corruption. prev->next should be next (ffffffff89835780), but was 0000000000000000. (prev=ffff8880a1b4b1e0).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:26!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3282 Comm: syz-executor.3 Not tainted 5.4.0-rc8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26
Code: 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 a0 f7 e6 87 e8 49 65 15 fe 0f 0b 48 89 f1 48 c7 c7 20 f7 e6 87 4c 89 e6 e8 35 65 15 fe <0f> 0b 4c 89 f6 48 c7 c7 c0 f8 e6 87 e8 24 65 15 fe 0f 0b 4c 89 ea
RSP: 0018:ffff88802c71fc08 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff88804ee2c3b0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815cf766 RDI: ffffed10058e3f73
RBP: ffff88802c71fc20 R08: 0000000000000075 R09: ffffed1015d26159
R10: ffffed1015d26158 R11: ffff8880ae930ac7 R12: ffffffff89835780
R13: ffff88804ee2c1e0 R14: ffff88804ee2c1e0 R15: 0000000000000000
FS:  00007f408c987700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f23e316c518 CR3: 0000000046209000 CR4: 00000000001406e0
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:2509 [inline]
 rdma_listen+0x6b7/0x970 drivers/infiniband/core/cma.c:3563
 ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1092
 ucma_write+0x2d7/0x3c0 drivers/infiniband/core/ucma.c:1684
 __vfs_write+0x8a/0x110 fs/read_write.c:494
 vfs_write+0x268/0x5d0 fs/read_write.c:558
 ksys_write+0x220/0x290 fs/read_write.c:611
 __do_sys_write fs/read_write.c:623 [inline]
 __se_sys_write fs/read_write.c:620 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:620
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a639
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f408c986c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639
RDX: 0000000000000010 RSI: 00000000200001c0 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f408c9876d4
R13: 00000000004cad6a R14: 00000000004e3128 R15: 00000000ffffffff
Modules linked in:
---[ end trace 9db25cb1e5d0140f ]---
RIP: 0010:__list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26
Code: 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 a0 f7 e6 87 e8 49 65 15 fe 0f 0b 48 89 f1 48 c7 c7 20 f7 e6 87 4c 89 e6 e8 35 65 15 fe <0f> 0b 4c 89 f6 48 c7 c7 c0 f8 e6 87 e8 24 65 15 fe 0f 0b 4c 89 ea
RSP: 0018:ffff88802c71fc08 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff88804ee2c3b0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815cf766 RDI: ffffed10058e3f73
RBP: ffff88802c71fc20 R08: 0000000000000075 R09: ffffed1015d26159
R10: ffffed1015d26158 R11: ffff8880ae930ac7 R12: ffffffff89835780
R13: ffff88804ee2c1e0 R14: ffff88804ee2c1e0 R15: 0000000000000000
FS:  00007f408c987700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000075c000 CR3: 0000000046209000 CR4: 00000000001406f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600