BUG: corrupted list in p9_read

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	BUG: corrupted list in p9_read_work v9fs	syz			23	1999d	2111d	11/26	fixed on 2018/11/12 21:25
upstream	BUG: corrupted list in p9_read_work (2) v9fs	syz	done	error	38	1619d	1981d	15/26	fixed on 2020/09/16 22:51
linux-4.14	BUG: corrupted list in p9_read_work	syz		inconclusive	4	1421d	1608d	0/1	upstream: reported syz repro on 2019/11/30 22:01

Created	Duration	User	Patch	Repo	Result
2022/08/28 09:27	12m	retest repro		linux-4.19.y	error OK
2022/08/28 07:27	13m	retest repro		linux-4.19.y	error OK

Created

Duration

User

Patch

Repo

Result

2022/08/28 09:27

12m

retest repro

linux-4.19.y

error OK

2022/08/28 07:27

13m

retest repro

linux-4.19.y

error OK

FS-Cache: N-cookie c=0000000083737deb [p=00000000983acc47 fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000823c5dbb n=0000000040731d01 FS-Cache: N-key=[10] '34323934393534303837' list_del corruption, ffff888095286cb0->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:45! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.133-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events p9_read_work RIP: 0010:__list_del_entry_valid.cold+0x23/0x55 lib/list_debug.c:45 Code: e8 06 37 f4 fd 0f 0b 48 89 ee 48 c7 c7 00 07 cb 87 e8 f5 36 f4 fd 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 40 06 cb 87 e8 e1 36 f4 fd <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 a0 06 cb 87 e8 cd 36 f4 fd 0f 0b RSP: 0018:ffff8880a9f7fc60 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff888095286c00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8154cd91 RDI: ffffed10153eff7e RBP: ffff888095286cb0 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 R13: dead000000000100 R14: ffff88809ac2bd38 R15: ffff88809ac2bd48 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000955fa000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] p9_read_work+0x9cc/0xfc0 net/9p/trans_fd.c:378 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x30b/0x410 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace cf7e120b68ac1fbc ]--- RIP: 0010:__list_del_entry_valid.cold+0x23/0x55 lib/list_debug.c:45 Code: e8 06 37 f4 fd 0f 0b 48 89 ee 48 c7 c7 00 07 cb 87 e8 f5 36 f4 fd 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 40 06 cb 87 e8 e1 36 f4 fd <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 a0 06 cb 87 e8 cd 36 f4 fd 0f 0b RSP: 0018:ffff8880a9f7fc60 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff888095286c00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8154cd91 RDI: ffffed10153eff7e RBP: ffff888095286cb0 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 R13: dead000000000100 R14: ffff88809ac2bd38 R15: ffff88809ac2bd48 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000955fa000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	Manager
2020/07/19 04:48	linux-4.19.y	17a87580a885	9c812472	.config	console log	report	syz	ci2-linux-4-19
2019/10/20 08:46	linux-4.19.y	c3038e718a19	8c88c9c1	.config	console log	report	syz	ci2-linux-4-19
2019/12/21 12:08	linux-4.19.y	672481c2deff	bc586918	.config	console log	report		ci2-linux-4-19

Crashes (3):

Assets (help?)