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BUG: corrupted list in p9_fd_cancelled

Status: upstream: reported on 2023/03/12 02:32
Reported-by: syzbot+635350641ce8921ffbea@syzkaller.appspotmail.com
First crash: 197d, last: 21d
▶ ▼ Similar bugs (16)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: corrupted list in p9_fd_cancelled 1 659d 659d 0/2 closed as invalid on 2022/03/01 11:24
upstream BUG: corrupted list in p9_fd_cancelled (2) net v9fs syz error error 211 1d02h 1488d 0/25 upstream: reported syz repro on 2019/08/29 03:58
linux-5.15 BUG: corrupted list in p9_fd_cancelled (2) 2 18d 20d 0/3 upstream: reported on 2023/09/05 22:05
linux-4.14 BUG: corrupted list in p9_fd_cancelled syz done 2 1393d 1438d 1/1 fixed on 2020/01/03 09:37
android-6-1 BUG: corrupted list in p9_fd_cancelled 9 14d 132d 0/2 premoderation: reported on 2023/05/16 17:03
android-5-10 BUG: corrupted list in p9_fd_cancelled (2) 3 532d 567d 0/2 auto-closed as invalid on 2022/07/10 10:51
android-54 BUG: corrupted list in p9_fd_cancelled 3 820d 1029d 0/2 auto-closed as invalid on 2021/10/25 12:29
linux-4.19 BUG: corrupted list in p9_fd_cancelled syz done 2 1412d 1475d 1/1 fixed on 2019/12/18 17:42
android-5-15 BUG: corrupted list in p9_fd_cancelled origin:downstream syz done 17 8d08h 239d 0/2 premoderation: reported syz repro on 2023/01/29 05:13
upstream BUG: corrupted list in p9_fd_cancelled net v9fs 16 1796d 1897d 0/25 auto-closed as invalid on 2019/04/23 06:51
linux-4.19 BUG: corrupted list in p9_fd_cancelled (3) 1 628d 628d 0/1 auto-closed as invalid on 2022/05/05 22:32
linux-5.15 BUG: corrupted list in p9_fd_cancelled 1 184d 184d 0/3 auto-obsoleted due to no activity on 2023/07/23 04:06
android-54 BUG: corrupted list in p9_fd_cancelled (2) syz 18 20d 671d 0/2 upstream: reported syz repro on 2021/11/23 15:00
linux-4.19 BUG: corrupted list in p9_fd_cancelled (4) 1 241d 241d 0/1 upstream: reported on 2023/01/27 06:50
linux-4.19 BUG: corrupted list in p9_fd_cancelled (2) 1 942d 942d 0/1 auto-closed as invalid on 2021/06/25 15:45
android-5-10 BUG: corrupted list in p9_fd_cancelled (3) syz done 26 4d19h 396d 0/2 premoderation: reported syz repro on 2022/08/25 12:46

Sample crash report:
list_del corruption, ffff88807dd485b0->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:55!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 17205 Comm: syz-executor.5 Not tainted 6.1.51-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__list_del_entry_valid+0xe5/0x120 lib/list_debug.c:53
Code: 4c 89 fe e8 66 5d 49 06 0f 0b 48 c7 c7 a0 ec 3c 8b 4c 89 fe e8 55 5d 49 06 0f 0b 48 c7 c7 00 ed 3c 8b 4c 89 fe e8 44 5d 49 06 <0f> 0b 48 c7 c7 60 ed 3c 8b 4c 89 fe e8 33 5d 49 06 0f 0b 48 c7 c7
RSP: 0000:ffffc9000397f830 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: 7fb9458ef4994b00
RDX: ffffc900166fe000 RSI: 0000000000013a55 RDI: 0000000000013a56
RBP: ffff88807dd48500 R08: ffffffff816db5ec R09: fffff5200072febd
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888082c58c00 R14: dead000000000100 R15: ffff88807dd485b0
FS:  00007f96ad7dd6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000076004000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:134 [inline]
 list_del include/linux/list.h:148 [inline]
 p9_fd_cancelled+0x95/0x220 net/9p/trans_fd.c:734
 p9_client_flush+0x3b6/0x530 net/9p/client.c:610
 p9_client_rpc+0x82b/0x9e0 net/9p/client.c:730
 p9_client_stat+0x10a/0x270 net/9p/client.c:1677
 v9fs_mount+0x77d/0xc30 fs/9p/vfs_super.c:172
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1562
 do_new_mount+0x28b/0xae0 fs/namespace.c:3040
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f96aee7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f96ad7dd0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f96aef9c1f0 RCX: 00007f96aee7cae9
RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007f96aeec847a R08: 0000000020000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f96aef9c1f0 R15: 00007ffd2e975b38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0xe5/0x120 lib/list_debug.c:53
Code: 4c 89 fe e8 66 5d 49 06 0f 0b 48 c7 c7 a0 ec 3c 8b 4c 89 fe e8 55 5d 49 06 0f 0b 48 c7 c7 00 ed 3c 8b 4c 89 fe e8 44 5d 49 06 <0f> 0b 48 c7 c7 60 ed 3c 8b 4c 89 fe e8 33 5d 49 06 0f 0b 48 c7 c7
RSP: 0000:ffffc9000397f830 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: 7fb9458ef4994b00
RDX: ffffc900166fe000 RSI: 0000000000013a55 RDI: 0000000000013a56
RBP: ffff88807dd48500 R08: ffffffff816db5ec R09: fffff5200072febd
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888082c58c00 R14: dead000000000100 R15: ffff88807dd485b0
FS:  00007f96ad7dd6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000076004000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (28):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/04 20:52 linux-6.1.y c2cbfe5f5122 db3306a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/08/30 18:26 linux-6.1.y a2943d2d9a00 84803932 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/08/26 13:36 linux-6.1.y cd363bb9548e 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/08/11 17:16 linux-6.1.y 1321ab403b38 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/07/30 17:24 linux-6.1.y d2a6dc4eaf6d 2a0d0f29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/07/24 13:52 linux-6.1.y 75389113731b b03242d7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/07/20 19:28 linux-6.1.y a456e1743881 f49af159 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/07/10 17:57 linux-6.1.y 61fd484b2cf6 d47e94ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/06/28 16:29 linux-6.1.y a1c449d00ff8 4cd5bb25 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/06/16 13:19 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/06/15 15:07 linux-6.1.y ca87e77a2ef8 90d4044e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/06/15 00:16 linux-6.1.y ca87e77a2ef8 76decb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/06/10 19:35 linux-6.1.y 2f3918bc53fb 49519f06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/06/08 05:43 linux-6.1.y 76ba310227d2 058b3a5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/05/31 19:20 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/05/30 19:47 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/05/27 02:45 linux-6.1.y a343b0dd87b4 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/05/26 00:16 linux-6.1.y a343b0dd87b4 0513b3e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/05/17 02:49 linux-6.1.y bf4ad6fa4e53 11c89444 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/05/12 22:18 linux-6.1.y bf4ad6fa4e53 ecca8a24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/04/08 01:16 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/04/07 22:52 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/04/07 10:13 linux-6.1.y 543aff194ab6 f7ba566d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/03/29 16:45 linux-6.1.y e3a87a10f259 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/03/29 12:38 linux-6.1.y e3a87a10f259 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/03/24 17:27 linux-6.1.y e3a87a10f259 9700afae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/03/15 18:10 linux-6.1.y 6449a0ba6843 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
2023/03/12 02:31 linux-6.1.y 1cc3fcf63192 5205ef30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: corrupted list in p9_fd_cancelled
* Struck through repros no longer work on HEAD.