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	1526d	1526d	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	700d	2356d	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	802d	887d	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	2260d	2306d	1/1	fixed on 2020/01/03 09:37
android-6-1	BUG: corrupted list in p9_fd_cancelled	8				27	627d	999d	0/2	auto-obsoleted due to no activity on 2024/08/20 17:39
android-5-10	BUG: corrupted list in p9_fd_cancelled (2)	8				3	1399d	1435d	0/2	auto-closed as invalid on 2022/07/10 10:51
android-6-1	BUG: corrupted list in p9_fd_cancelled (2)	8	syz		error	14	163d	527d	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	1687d	1896d	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	456d	515d	0/3	auto-obsoleted due to no activity on 2025/02/17 18:13
linux-6.1	BUG: corrupted list in p9_fd_cancelled	8				56	681d	1065d	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	511d	511d	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	381d	1107d	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	2664d	2764d	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	257d	257d	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	1495d	1495d	0/1	auto-closed as invalid on 2022/05/05 22:32
linux-5.15	BUG: corrupted list in p9_fd_cancelled	8				1	1052d	1052d	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	674d	1538d	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	192d	513d	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	502d	612d	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	1109d	1109d	0/1	upstream: reported on 2023/01/27 06:50
linux-4.19	BUG: corrupted list in p9_fd_cancelled (2)	8				1	1809d	1809d	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	742d	827d	0/2	auto-obsoleted due to no activity on 2024/05/07 18:52

FS-Cache: N-cookie d=00000000b1e1bdcc n=000000002808a3cc FS-Cache: N-key=[10] '34323935313033393339' 9pnet: Insufficient options for proto=fd list_del corruption, ffff8880817aa4b0->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: 4782 Comm: syz-executor.1 Not tainted 4.19.72 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45 Code: e8 45 f6 2f fe 0f 0b 4c 89 f6 48 c7 c7 20 4b 82 87 e8 34 f6 2f fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 4a 82 87 e8 20 f6 2f fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 c0 4a 82 87 e8 0c f6 2f fe 0f 0b RSP: 0018:ffff8880866f7698 EFLAGS: 00010286 RAX: 000000000000004e RBX: 1ffff11010cdeee1 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8155cf16 RDI: ffffed1010cdeec5 RBP: ffff8880866f76b0 R08: 000000000000004e R09: ffffed1015d25079 R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: dead000000000200 R13: dead000000000100 R14: ffff8880817aa4b0 R15: ffff8880817aa4b8 FS: 00007f7b679cd700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046ef00 CR3: 000000009f48b000 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_fd_cancelled+0x3c/0x1c0 net/9p/trans_fd.c:725 p9_client_flush+0x1b7/0x1f0 net/9p/client.c:689 p9_client_rpc+0x101a/0x1220 net/9p/client.c:796 p9_client_version net/9p/client.c:967 [inline] p9_client_create+0xb7f/0x1400 net/9p/client.c:1067 v9fs_session_init+0x1e7/0x18c0 fs/9p/v9fs.c:421 v9fs_mount+0x7d/0x920 fs/9p/vfs_super.c:135 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7b679ccc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004598e9 RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000020000380 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b679cd6d4 R13: 00000000004c5e68 R14: 00000000004da9b0 R15: 00000000ffffffff Modules linked in: ---[ end trace df6b5b7310d0f624 ]--- RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45 kobject: 'loop4' (000000002d2f7587): kobject_uevent_env Code: e8 45 f6 2f fe 0f 0b 4c 89 f6 48 c7 c7 20 4b 82 87 e8 34 f6 2f fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 60 4a 82 87 e8 20 f6 2f fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 c0 4a 82 87 e8 0c f6 2f fe 0f 0b RSP: 0018:ffff8880866f7698 EFLAGS: 00010286 kobject: 'loop4' (000000002d2f7587): fill_kobj_path: path = '/devices/virtual/block/loop4' RAX: 000000000000004e RBX: 1ffff11010cdeee1 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8155cf16 RDI: ffffed1010cdeec5 RBP: ffff8880866f76b0 R08: 000000000000004e R09: ffffed1015d25079 R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: dead000000000200 R13: dead000000000100 R14: ffff8880817aa4b0 R15: ffff8880817aa4b8 FS: 00007f7b679cd700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046ef00 CR3: 000000009f48b000 CR4: 00000000001406e0 kobject: 'loop2' (000000003eb7e877): kobject_uevent_env DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2019/09/11 06:15	linux-4.19.y	ee809c7e0895	a60cb4cd	.config	console log	report	syz				ci2-linux-4-19
2019/11/13 03:35	linux-4.19.y	7d8dbefc22ff	048f2d49	.config	console log	report					ci2-linux-4-19

Crashes (2):

Assets (help?)