x86/PAT: syz-executor1:5292 map pfn RAM range req write-combining for [mem 0x1a0f22000-0x1a0f25fff], got write-back
list_add corruption. prev->next should be next (ffff88019dec6ab0), but was ffff88019dec6ac0. (prev=ffff88019a7d1298).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:28!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10792 Comm: kworker/0:4 Not tainted 4.19.0-rc5+ #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events p9_write_work
RIP: 0010:__list_add_valid.cold.0+0x23/0x25 lib/list_debug.c:26
Code: e8 7f b8 31 fe eb 97 48 89 d9 48 c7 c7 c0 a1 44 88 e8 12 6c d4 fd 0f 0b 48 89 f1 48 c7 c7 80 a2 44 88 48 89 de e8 fe 6b d4 fd <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 c0 a3 44 88 e8 ea 6b d4 fd 0f 0b
RSP: 0018:ffff8801966cf598 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff88019dec6ab0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81650cb5 RDI: 0000000000000005
RBP: ffff8801966cf5b0 R08: ffff88019a9ec280 R09: ffffed003b584fe8
R10: ffffed003b584fe8 R11: ffff8801dac27f47 R12: ffff88019a7d1298
R13: ffff88019a7d1298 R14: ffff88019dec6b04 R15: ffff88019a7d1298
FS:  0000000000000000(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe4694fd4c CR3: 000000019540e000 CR4: 00000000001406f0
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]
 list_move_tail include/linux/list.h:183 [inline]
 p9_write_work+0x34e/0xd50 net/9p/trans_fd.c:470
 process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
Modules linked in:
---[ end trace 098e27f8a9622c1a ]---
RIP: 0010:__list_add_valid.cold.0+0x23/0x25 lib/list_debug.c:26
Code: e8 7f b8 31 fe eb 97 48 89 d9 48 c7 c7 c0 a1 44 88 e8 12 6c d4 fd 0f 0b 48 89 f1 48 c7 c7 80 a2 44 88 48 89 de e8 fe 6b d4 fd <0f> 0b 4c 89 e2 48 89 de 48 c7 c7 c0 a3 44 88 e8 ea 6b d4 fd 0f 0b
RSP: 0018:ffff8801966cf598 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff88019dec6ab0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81650cb5 RDI: 0000000000000005
RBP: ffff8801966cf5b0 R08: ffff88019a9ec280 R09: ffffed003b584fe8
R10: ffffed003b584fe8 R11: ffff8801dac27f47 R12: ffff88019a7d1298
R13: ffff88019a7d1298 R14: ffff88019dec6b04 R15: ffff88019a7d1298
FS:  0000000000000000(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe4694fd4c CR3: 000000019540e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400