list_add corruption. prev->next should be next (ffffffff89db3d80), but was 0000000000000000. (prev=ffff8881c158abe0).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:28!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 28268 Comm: syz-executor5 Not tainted 4.20.0-rc4+ #131
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add_valid.cold.2+0x23/0x2a lib/list_debug.c:26
Code: e8 10 2e d2 fd 0f 0b 48 89 d9 48 c7 c7 20 d2 60 88 e8 ff 2d d2 fd 0f 0b 48 89 f1 48 c7 c7 a0 d2 60 88 48 89 de e8 eb 2d d2 fd <0f> 0b 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 be 00 00 00 00 00
RSP: 0018:ffff88819d277948 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff89db3d80 RCX: ffffc90005dd6000
RDX: 0000000000000000 RSI: ffffffff8165eaf5 RDI: 0000000000000005
RBP: ffff88819d277960 R08: ffff88817d4be3c0 R09: ffffed103b5c5020
R10: ffffed103b5c5020 R11: ffff8881dae28107 R12: ffff8881bb03b020
R13: ffff8881bb03b020 R14: ffff8881c158abe0 R15: ffff8881bb03b1f0
FS:  00007f64d1bb7700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09609b3610 CR3: 00000001b6b94000 CR4: 00000000001426f0
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:2474 [inline]
 rdma_listen+0x6dc/0x990 drivers/infiniband/core/cma.c:3489
 ucma_listen+0x1a4/0x260 drivers/infiniband/core/ucma.c:1100
 ucma_write+0x365/0x460 drivers/infiniband/core/ucma.c:1689
 __vfs_write+0x119/0x9f0 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]
 __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: 0033:0x457569
Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f64d1bb6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569
RDX: 0000000000000010 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f64d1bb76d4
R13: 00000000004c5b7d R14: 00000000004d9e68 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop0' (00000000a537e957): kobject_uevent_env
kobject: 'loop0' (00000000a537e957): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000022f8a31d): kobject_uevent_env
kobject: 'loop2' (0000000022f8a31d): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000ee6ffa8f): kobject_uevent_env
kobject: 'loop3' (00000000ee6ffa8f): fill_kobj_path: path = '/devices/virtual/block/loop3'
ntfs: (device loop2): parse_options(): Unrecognized mount option func.
ntfs: (device loop2): parse_options(): Unrecognized mount option subj_user.
kobject: 'loop1' (00000000eaaf1ee2): kobject_uevent_env
kobject: 'loop1' (00000000eaaf1ee2): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (0000000022f8a31d): kobject_uevent_env
kobject: 'loop2' (0000000022f8a31d): fill_kobj_path: path = '/devices/virtual/block/loop2'
---[ end trace 8e2edbfc775962f0 ]---
RIP: 0010:__list_add_valid.cold.2+0x23/0x2a lib/list_debug.c:26
Code: e8 10 2e d2 fd 0f 0b 48 89 d9 48 c7 c7 20 d2 60 88 e8 ff 2d d2 fd 0f 0b 48 89 f1 48 c7 c7 a0 d2 60 88 48 89 de e8 eb 2d d2 fd <0f> 0b 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 be 00 00 00 00 00
kobject: 'loop2' (0000000022f8a31d): kobject_uevent_env
kobject: 'loop2' (0000000022f8a31d): fill_kobj_path: path = '/devices/virtual/block/loop2'
RSP: 0018:ffff88819d277948 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff89db3d80 RCX: ffffc90005dd6000
RDX: 0000000000000000 RSI: ffffffff8165eaf5 RDI: 0000000000000005
RBP: ffff88819d277960 R08: ffff88817d4be3c0 R09: ffffed103b5c5020
kobject: 'loop2' (0000000022f8a31d): kobject_uevent_env
kobject: 'loop2' (0000000022f8a31d): fill_kobj_path: path = '/devices/virtual/block/loop2'
R10: ffffed103b5c5020 R11: ffff8881dae28107 R12: ffff8881bb03b020
R13: ffff8881bb03b020 R14: ffff8881c158abe0 R15: ffff8881bb03b1f0
FS:  00007f64d1bb7700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f656e5d2000 CR3: 00000001b6b94000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400