audit: type=1804 audit(1613024731.225:880): pid=25601 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir853974325/syzkaller.giqwFJ/457/file0/file0" dev="sda1" ino=16637 res=1
list_add corruption. prev->next should be next (ffffffff89b44540), but was           (null). (prev=ffff8880a9b6d858).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:26!
ip6_tables: ip6tables: counters copy to user failed while replacing table
audit: type=1804 audit(1613024731.225:881): pid=25619 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir495860764/syzkaller.TpTnMA/397/file0/file0" dev="sda1" ino=16638 res=1
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 25660 Comm: syz-executor.0 Not tainted 4.14.218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880560be280 task.stack: ffff88808d818000
RIP: 0010:__list_add_valid.cold+0x3a/0x3c syzkaller/managers/linux-4-14/kernel/lib/list_debug.c:26
RSP: 0018:ffff88808d81fbc8 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffff88809b2364c0 RCX: 0000000000000000
RDX: 0000000000014cde RSI: ffffffff814416a0 RDI: ffffed1011b03f6f
RBP: ffff88809b236698 R08: 0000000000000075 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89b44540
R13: 00000000000003ff R14: ffff88809b2366d8 R15: 0000000000000000
FS:  00007febdc74b700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558e8c6df3f8 CR3: 0000000054d91000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_add syzkaller/managers/linux-4-14/kernel/./include/linux/list.h:60 [inline]
 list_add_tail syzkaller/managers/linux-4-14/kernel/./include/linux/list.h:93 [inline]
 cma_listen_on_all syzkaller/managers/linux-4-14/kernel/drivers/infiniband/core/cma.c:2327 [inline]
 rdma_listen+0x656/0x9b0 syzkaller/managers/linux-4-14/kernel/drivers/infiniband/core/cma.c:3338
 ucma_listen+0x10b/0x170 syzkaller/managers/linux-4-14/kernel/drivers/infiniband/core/ucma.c:1078
 ucma_write+0x206/0x2c0 syzkaller/managers/linux-4-14/kernel/drivers/infiniband/core/ucma.c:1672
 __vfs_write+0xe4/0x630 syzkaller/managers/linux-4-14/kernel/fs/read_write.c:480
 vfs_write+0x17f/0x4d0 syzkaller/managers/linux-4-14/kernel/fs/read_write.c:544
 SYSC_write syzkaller/managers/linux-4-14/kernel/fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 syzkaller/managers/linux-4-14/kernel/fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x465b09
RSP: 002b:00007febdc74b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 0000000000000010 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffe9f9dc8af R14: 00007febdc74b300 R15: 0000000000022000
Code: 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 80 d8 cc 87 e8 e3 f7 f7 ff 0f 0b 48 89 f1 48 c7 c7 00 d8 cc 87 4c 89 e6 e8 cf f7 f7 ff <0f> 0b 48 89 ee 48 c7 c7 a0 d9 cc 87 e8 be f7 f7 ff 0f 0b 4c 89 
RIP: __list_add_valid.cold+0x3a/0x3c syzkaller/managers/linux-4-14/kernel/lib/list_debug.c:26 RSP: ffff88808d81fbc8
audit: type=1804 audit(1613024731.285:882): pid=25594 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir495860764/syzkaller.TpTnMA/397/file0/file0" dev="sda1" ino=16638 res=1
audit: type=1804 audit(1613024731.325:883): pid=25618 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir853974325/syzkaller.giqwFJ/457/file0/file0" dev="sda1" ino=16637 res=1
audit: type=1804 audit(1613024731.325:884): pid=25618 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir853974325/syzkaller.giqwFJ/457/file0/file0" dev="sda1" ino=16637 res=1
audit: type=1804 audit(1613024731.325:885): pid=25618 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir853974325/syzkaller.giqwFJ/457/file0/file0" dev="sda1" ino=16637 res=1
audit: type=1804 audit(1613024731.385:886): pid=25627 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir263181113/syzkaller.2INMtS/426/file0/file0" dev="sda1" ino=15789 res=1
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
---[ end trace c45b9b464fa8eb25 ]---