BUG: corrupted list in p9_fd

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-5-10	BUG: corrupted list in p9_fd_cancelled	8				1	1528d	1528d	0/2	closed as invalid on 2022/03/01 11:24
upstream	BUG: corrupted list in p9_fd_cancelled (2) v9fs	8	syz	error	error	273	702d	2357d	0/29	auto-obsoleted due to no activity on 2024/06/03 04:59
linux-5.15	BUG: corrupted list in p9_fd_cancelled (2)	8				4	803d	889d	0/3	auto-obsoleted due to no activity on 2024/03/09 04:25
linux-4.14	BUG: corrupted list in p9_fd_cancelled	8	syz		done	2	2262d	2307d	1/1	fixed on 2020/01/03 09:37
android-6-1	BUG: corrupted list in p9_fd_cancelled	8				27	629d	1001d	0/2	auto-obsoleted due to no activity on 2024/08/20 17:39
android-6-1	BUG: corrupted list in p9_fd_cancelled (2)	8	syz		error	14	164d	528d	0/2	auto-obsoleted due to no activity on 2025/11/28 05:57
android-54	BUG: corrupted list in p9_fd_cancelled	8				3	1689d	1898d	0/2	auto-closed as invalid on 2021/10/25 12:29
linux-5.15	BUG: corrupted list in p9_fd_cancelled (3) origin:lts-only	8	syz			2	458d	517d	0/3	auto-obsoleted due to no activity on 2025/02/17 18:13
linux-4.19	BUG: corrupted list in p9_fd_cancelled	8	syz		done	2	2281d	2344d	1/1	fixed on 2019/12/18 17:42
linux-6.1	BUG: corrupted list in p9_fd_cancelled	8				56	683d	1067d	0/3	auto-obsoleted due to no activity on 2024/07/04 11:58
linux-6.1	BUG: corrupted list in p9_fd_cancelled (2)	8				1	513d	513d	0/3	auto-obsoleted due to no activity on 2024/12/24 10:47
android-5-15	BUG: corrupted list in p9_fd_cancelled origin:upstream missing-backport	8	syz	done	error	30	383d	1108d	0/2	auto-obsoleted due to no activity on 2025/04/23 20:43
upstream	BUG: corrupted list in p9_fd_cancelled v9fs	8				16	2665d	2766d	0/29	auto-closed as invalid on 2019/04/23 06:51
android-5-15	BUG: corrupted list in p9_fd_cancelled (2)	8				1	259d	259d	0/2	auto-obsoleted due to no activity on 2025/08/25 13:49
linux-4.19	BUG: corrupted list in p9_fd_cancelled (3)	8				1	1497d	1497d	0/1	auto-closed as invalid on 2022/05/05 22:32
linux-5.15	BUG: corrupted list in p9_fd_cancelled	8				1	1053d	1053d	0/3	auto-obsoleted due to no activity on 2023/07/23 04:06
android-54	BUG: corrupted list in p9_fd_cancelled (2)	8	syz			25	676d	1540d	0/2	auto-obsoleted due to no activity on 2024/07/14 15:48
upstream	BUG: corrupted list in p9_fd_cancelled (3) v9fs	8				16	194d	514d	0/29	auto-obsoleted due to no activity on 2025/11/08 17:53
android-5-10	BUG: corrupted list in p9_fd_cancelled (4)	8				4	504d	613d	0/2	auto-obsoleted due to no activity on 2024/12/24 01:20
linux-4.19	BUG: corrupted list in p9_fd_cancelled (4)	8				1	1110d	1110d	0/1	upstream: reported on 2023/01/27 06:50
linux-4.19	BUG: corrupted list in p9_fd_cancelled (2)	8				1	1811d	1811d	0/1	auto-closed as invalid on 2021/06/25 15:45
android-5-10	BUG: corrupted list in p9_fd_cancelled (3)	8	C	done	unreliable	38	744d	829d	0/2	auto-obsoleted due to no activity on 2024/05/07 18:52

list_del corruption, ffff888114e9b780->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:47! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7246 Comm: syz-executor.5 Tainted: G W 5.10.109-syzkaller-00693-g414e6c8e941c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid+0xc0/0x100 lib/list_debug.c:45 Code: df e8 d4 8d 56 ff 48 8b 13 4c 39 f2 75 44 b0 01 5b 41 5c 41 5e 41 5f 5d c3 48 c7 c7 20 ca 43 85 4c 89 f6 31 c0 e8 8d d3 3f 02 <0f> 0b 48 c7 c7 80 ca 43 85 4c 89 f6 31 c0 e8 7a d3 3f 02 0f 0b 48 RSP: 0018:ffffc9000479f408 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000100 RCX: 79c4b3320e2e2000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000479f428 R08: ffffffff8153b3c8 R09: ffffed103ee0a5d8 R10: ffffed103ee0a5d8 R11: 1ffff1103ee0a5d7 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888114e9b780 R15: dead000000000122 FS: 00007f7da685d700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 00000001194e3000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:132 [inline] list_del include/linux/list.h:146 [inline] p9_fd_cancelled+0x73/0x1d0 net/9p/trans_fd.c:722 p9_client_flush+0x37b/0x570 net/9p/client.c:677 p9_client_rpc+0x83e/0xa60 net/9p/client.c:784 p9_client_version+0x179/0x680 net/9p/client.c:945 p9_client_create+0x8f5/0xbb0 net/9p/client.c:1055 v9fs_session_init+0x1ef/0x17c0 fs/9p/v9fs.c:406 v9fs_mount+0x75/0x7b0 fs/9p/vfs_super.c:126 legacy_get_tree+0xf0/0x190 fs/fs_context.c:592 vfs_get_tree+0x88/0x290 fs/super.c:1549 do_new_mount+0x289/0xad0 fs/namespace.c:2899 path_mount+0x58d/0xce0 fs/namespace.c:3229 do_mount fs/namespace.c:3242 [inline] __do_sys_mount fs/namespace.c:3450 [inline] __se_sys_mount+0x2d2/0x3c0 fs/namespace.c:3427 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f7da774a049 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7da685d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7da785d1d0 RCX: 00007f7da774a049 RDX: 0000000020000280 RSI: 00000000200002c0 RDI: 0000000000000000 RBP: 00007f7da77a408d R08: 0000000020003180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcb874647f R14: 00007f7da685d300 R15: 0000000000022000 Modules linked in: ---[ end trace da6eb45c7395a3a4 ]--- RIP: 0010:__list_del_entry_valid+0xc0/0x100 lib/list_debug.c:45 Code: df e8 d4 8d 56 ff 48 8b 13 4c 39 f2 75 44 b0 01 5b 41 5c 41 5e 41 5f 5d c3 48 c7 c7 20 ca 43 85 4c 89 f6 31 c0 e8 8d d3 3f 02 <0f> 0b 48 c7 c7 80 ca 43 85 4c 89 f6 31 c0 e8 7a d3 3f 02 0f 0b 48 RSP: 0018:ffffc9000479f408 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000100 RCX: 79c4b3320e2e2000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000479f428 R08: ffffffff8153b3c8 R09: ffffed103ee0a5d8 R10: ffffed103ee0a5d8 R11: 1ffff1103ee0a5d7 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888114e9b780 R15: dead000000000122 FS: 00007f7da685d700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 00000001194e3000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Manager	Title
2022/04/11 10:42	android12-5.10-lts	414e6c8e941c	e22c3da3	.config	console log	report	info	ci2-android-5-10	BUG: corrupted list in p9_fd_cancelled
2022/03/16 09:26	android12-5.10-lts	5c5685cc64b4	9e8eaa75	.config	console log	report	info	ci2-android-5-10	BUG: corrupted list in p9_fd_cancelled
2022/03/07 01:31	android12-5.10-lts	e1b86e7f5cbb	7bdd8b2c	.config	console log	report	info	ci2-android-5-10	BUG: corrupted list in p9_fd_cancelled

Crashes (3):

Assets (help?)