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BUG: corrupted list in p9_fd_cancelled (3)

Status: premoderation: reported syz repro on 2022/08/25 12:46
Reported-by: syzbot+06cf44f19389fc2bd53e@syzkaller.appspotmail.com
First crash: 400d, last: 8d09h
Cause bisection: introduced by (bisect log) :
commit 1be288fd3b0d2f6c7a763680faa614f4b5a08449
Author: Martin HundebΓΈll <martin@geanix.com>
Date: Wed Jun 7 08:27:12 2023 +0000

  mmc: meson-gx: remove redundant mmc_request_done() call from irq context

Crash: BUG: corrupted list in p9_fd_cancelled (log)
Repro: syz .config
  
▶ ▼ 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 663d 663d 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 213 19h38m 1492d 0/25 upstream: reported syz repro on 2019/08/29 03:58
linux-5.15 BUG: corrupted list in p9_fd_cancelled (2) 2 22d 23d 0/3 upstream: reported on 2023/09/05 22:05
linux-4.14 BUG: corrupted list in p9_fd_cancelled syz done 2 1396d 1442d 1/1 fixed on 2020/01/03 09:37
android-6-1 BUG: corrupted list in p9_fd_cancelled 10 2d18h 135d 0/2 premoderation: reported on 2023/05/16 17:03
android-5-10 BUG: corrupted list in p9_fd_cancelled (2) 3 536d 571d 0/2 auto-closed as invalid on 2022/07/10 10:51
android-54 BUG: corrupted list in p9_fd_cancelled 3 824d 1032d 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 1416d 1479d 1/1 fixed on 2019/12/18 17:42
linux-6.1 BUG: corrupted list in p9_fd_cancelled 29 22h02m 201d 0/3 upstream: reported on 2023/03/12 02:32
android-5-15 BUG: corrupted list in p9_fd_cancelled origin:downstream syz done 17 11d 243d 0/2 premoderation: reported syz repro on 2023/01/29 05:13
upstream BUG: corrupted list in p9_fd_cancelled net v9fs 16 1800d 1900d 0/25 auto-closed as invalid on 2019/04/23 06:51
linux-4.19 BUG: corrupted list in p9_fd_cancelled (3) 1 631d 631d 0/1 auto-closed as invalid on 2022/05/05 22:32
linux-5.15 BUG: corrupted list in p9_fd_cancelled 1 188d 188d 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 19 2d02h 675d 0/2 upstream: reported syz repro on 2021/11/23 15:00
linux-4.19 BUG: corrupted list in p9_fd_cancelled (4) 1 245d 245d 0/1 upstream: reported on 2023/01/27 06:50
linux-4.19 BUG: corrupted list in p9_fd_cancelled (2) 1 945d 945d 0/1 auto-closed as invalid on 2021/06/25 15:45
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2023/09/19 21:12 41m retest repro android13-5.10-lts OK log
2023/09/19 21:12 22m retest repro android13-5.10-lts report log

Sample crash report:
list_del corruption, ffff88811d60f078->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: 481 Comm: syz-executor.3 Not tainted 5.10.186-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:__list_del_entry_valid+0xea/0x120 lib/list_debug.c:53
Code: 4c 89 f6 e8 a7 1c 54 02 0f 0b 48 c7 c7 40 ea 5f 85 4c 89 f6 e8 96 1c 54 02 0f 0b 48 c7 c7 a0 ea 5f 85 4c 89 f6 e8 85 1c 54 02 <0f> 0b 48 c7 c7 00 eb 5f 85 4c 89 f6 e8 74 1c 54 02 0f 0b 48 c7 c7
RSP: 0018:ffffc90000d77468 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000100 RCX: a1b1adc523c9d200
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: ffffc90000d77488 R08: ffffffff81520c08 R09: ffffed103ee0a600
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88811d60f078 R15: dead000000000122
FS:  00007f56910036c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556583858 CR3: 000000010e7f1000 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+0x74/0x1d0 net/9p/trans_fd.c:725
 p9_client_flush+0x392/0x570 net/9p/client.c:677
 p9_client_rpc+0xae6/0x1380 net/9p/client.c:784
 p9_client_create+0x9be/0x1130 net/9p/client.c:1052
 v9fs_session_init+0x1fa/0x19b0 fs/9p/v9fs.c:406
 v9fs_mount+0x75/0x7b0 fs/9p/vfs_super.c:126
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:592
 vfs_get_tree+0x88/0x290 fs/super.c:1550
 do_new_mount+0x28b/0xad0 fs/namespace.c:2899
 path_mount+0x56f/0xcb0 fs/namespace.c:3229
 do_mount fs/namespace.c:3242 [inline]
 __do_sys_mount fs/namespace.c:3450 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3427
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f56914a1b29
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:00007f56910030c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f56915c1050 RCX: 00007f56914a1b29
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f56914ed47a R08: 0000000020000300 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f56915c1050 R15: 00007ffc0d793a58
Modules linked in:
---[ end trace 850de1f3a2c692f3 ]---
RIP: 0010:__list_del_entry_valid+0xea/0x120 lib/list_debug.c:53
Code: 4c 89 f6 e8 a7 1c 54 02 0f 0b 48 c7 c7 40 ea 5f 85 4c 89 f6 e8 96 1c 54 02 0f 0b 48 c7 c7 a0 ea 5f 85 4c 89 f6 e8 85 1c 54 02 <0f> 0b 48 c7 c7 00 eb 5f 85 4c 89 f6 e8 74 1c 54 02 0f 0b 48 c7 c7
RSP: 0018:ffffc90000d77468 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000100 RCX: a1b1adc523c9d200
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: ffffc90000d77488 R08: ffffffff81520c08 R09: ffffed103ee0a600
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88811d60f078 R15: dead000000000122
FS:  00007f56910036c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556583858 CR3: 000000010e7f1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (26):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/18 17:06 android13-5.10-lts 59b65efafe20 022df2bb .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/07/28 23:54 android13-5.10-lts 8a427269c016 92476829 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/09/21 05:40 android13-5.10-lts a27512601c2d 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/09/05 21:02 android13-5.10-lts a27512601c2d 0b6286dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/08/30 06:15 android13-5.10-lts c8ca447a86a2 ce731e62 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/08/20 09:22 android13-5.10-lts 8a427269c016 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/08/16 18:23 android13-5.10-lts 8a427269c016 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/07/28 13:40 android13-5.10-lts 8a427269c016 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/07/18 15:14 android13-5.10-lts 59b65efafe20 022df2bb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/07/13 14:56 android13-5.10-lts 59b65efafe20 86081196 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/07/06 12:14 android13-5.10-lts 59b65efafe20 ba5dba36 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/07/01 09:18 android13-5.10-lts 28cc6246b5e7 af3053d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/06/21 23:20 android13-5.10-lts 571f442f6752 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/06/20 14:43 android13-5.10-lts 8a30c9beebe8 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/05/24 05:50 android13-5.10-lts 43c801dc3325 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/05/18 22:56 android13-5.10-lts 43c801dc3325 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/05/09 06:48 android13-5.10-lts 3ad342cf5b2c c7a5e2a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/04/24 11:20 android12-5.10-lts 416c4356f372 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/04/15 04:28 android12-5.10-lts 416c4356f372 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/03/19 10:24 android12-5.10-lts 416c4356f372 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/02/09 06:19 android12-5.10-lts 416c4356f372 14a312c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2023/01/18 01:26 android12-5.10-lts 416c4356f372 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2022/12/10 10:43 android12-5.10-lts f3226d86f8ce 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2022/11/27 11:17 android12-5.10-lts 673a7341bdab f4470a7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2022/11/17 12:26 android12-5.10-lts 6b31c548a114 3a127a31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
2022/08/25 12:46 android12-5.10-lts a634d588813f 514514f6 .config console log report info ci2-android-5-10 BUG: corrupted list in p9_fd_cancelled
* Struck through repros no longer work on HEAD.