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kernel BUG at lib/list_debug.c:26!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
netlink: 148 bytes leftover after parsing attributes in process `syz-executor.5'.
CPU: 1 PID: 4001 Comm: syz-executor.3 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888073600240 task.stack: ffff888076e68000
netlink: 148 bytes leftover after parsing attributes in process `syz-executor.5'.
RIP: 0010:__list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26
RSP: 0018:ffff888076e6fbc8 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffff888097a8c900 RCX: 0000000000000000
RDX: 00000000000146a9 RSI: ffffffff8145db00 RDI: ffffed100edcdf6f
RBP: ffff888097a8cad8 R08: 0000000000000075 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89b44040
R13: 0000000000000400 R14: ffff888097a8cb18 R15: 0000000000000000
FS:  00007f65f1da4700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe627eaddb8 CR3: 000000003241a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
netlink: 148 bytes leftover after parsing attributes in process `syz-executor.5'.
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
netlink: 148 bytes leftover after parsing attributes in process `syz-executor.5'.
 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
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f65f1da3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000003a240 RCX: 000000000045deb9
RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000005
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fff1ae8b28f R14: 00007f65f1da49c0 R15: 000000000118bf2c
Code: 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 e0 ce cc 87 e8 9c fb 23 fe 0f 0b 48 89 f1 48 c7 c7 60 ce cc 87 4c 89 e6 e8 88 fb 23 fe <0f> 0b 48 89 ee 48 c7 c7 00 d0 cc 87 e8 77 fb 23 fe 0f 0b 4c 89 
RIP: __list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26 RSP: ffff888076e6fbc8
---[ end trace 70e94ff52c234d89 ]---