syzbot


BUG: corrupted list in p9_fd_cancelled

Status: auto-obsoleted due to no activity on 2024/08/20 17:39
Reported-by: syzbot+810db3ff78c2045c60db@syzkaller.appspotmail.com
First crash: 536d, last: 164d
Similar bugs (21)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: corrupted list in p9_fd_cancelled 1 1063d 1063d 0/2 closed as invalid on 2022/03/01 11:24
upstream BUG: corrupted list in p9_fd_cancelled (2) v9fs syz error error 273 237d 1892d 0/28 auto-obsoleted due to no activity on 2024/06/03 04:59
linux-5.15 BUG: corrupted list in p9_fd_cancelled (2) 4 338d 424d 0/3 auto-obsoleted due to no activity on 2024/03/09 04:25
linux-4.14 BUG: corrupted list in p9_fd_cancelled syz done 2 1797d 1842d 1/1 fixed on 2020/01/03 09:37
android-5-10 BUG: corrupted list in p9_fd_cancelled (2) 3 936d 971d 0/2 auto-closed as invalid on 2022/07/10 10:51
android-6-1 BUG: corrupted list in p9_fd_cancelled (2) 3 21d 63d 0/2 premoderation: reported on 2024/08/31 06:31
android-54 BUG: corrupted list in p9_fd_cancelled 3 1224d 1433d 0/2 auto-closed as invalid on 2021/10/25 12:29
linux-5.15 BUG: corrupted list in p9_fd_cancelled (3) syz 2 6d04h 52d 0/3 upstream: reported syz repro on 2024/09/11 14:53
linux-4.19 BUG: corrupted list in p9_fd_cancelled syz done 2 1816d 1879d 1/1 fixed on 2019/12/18 17:42
linux-6.1 BUG: corrupted list in p9_fd_cancelled 56 217d 601d 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) 1 48d 48d 0/3 upstream: reported on 2024/09/15 10:47
android-5-15 BUG: corrupted list in p9_fd_cancelled origin:upstream missing-backport syz done error 30 2d23h 643d 0/2 premoderation: reported syz repro on 2023/01/29 05:13
upstream BUG: corrupted list in p9_fd_cancelled v9fs 16 2200d 2301d 0/28 auto-closed as invalid on 2019/04/23 06:51
linux-4.19 BUG: corrupted list in p9_fd_cancelled (3) 1 1031d 1031d 0/1 auto-closed as invalid on 2022/05/05 22:32
linux-5.15 BUG: corrupted list in p9_fd_cancelled 1 588d 588d 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 25 211d 1075d 0/2 auto-obsoleted due to no activity on 2024/07/14 15:48
upstream BUG: corrupted list in p9_fd_cancelled (3) v9fs 7 14d 49d 0/28 upstream: reported on 2024/09/14 04:00
android-5-10 BUG: corrupted list in p9_fd_cancelled (4) 4 38d 148d 0/2 premoderation: reported on 2024/06/07 05:15
linux-4.19 BUG: corrupted list in p9_fd_cancelled (4) 1 645d 645d 0/1 upstream: reported on 2023/01/27 06:50
linux-4.19 BUG: corrupted list in p9_fd_cancelled (2) 1 1346d 1346d 0/1 auto-closed as invalid on 2021/06/25 15:45
android-5-10 BUG: corrupted list in p9_fd_cancelled (3) C done unreliable 38 279d 364d 0/2 auto-obsoleted due to no activity on 2024/05/07 18:52

Sample crash report:
list_del corruption, ffff88812d021b68->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:55!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 29806 Comm: syz-executor.4 Not tainted 6.1.75-syzkaller-00023-g0a5aada71cc9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__list_del_entry_valid+0xea/0x130 lib/list_debug.c:53
Code: 4c 89 fe e8 0c 02 7d 02 0f 0b 48 c7 c7 a0 cd c9 85 4c 89 fe e8 fb 01 7d 02 0f 0b 48 c7 c7 00 ce c9 85 4c 89 fe e8 ea 01 7d 02 <0f> 0b 48 c7 c7 60 ce c9 85 4c 89 fe e8 d9 01 7d 02 0f 0b 48 c7 c7
RSP: 0018:ffffc90001717440 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: a631ef12cd17f500
RDX: ffffc900065dc000 RSI: 000000000000097f RDI: 0000000000000980
RBP: ffffc90001717460 R08: ffffffff815af825 R09: fffff520002e2de1
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff11025a0435e R14: dead000000000100 R15: ffff88812d021b68
FS:  00007f5043fa06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3322f000 CR3: 000000010fc28000 CR4: 00000000003506a0
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+0xa5/0x230 net/9p/trans_fd.c:734
 p9_client_flush+0x3b6/0x530 net/9p/client.c:612
 p9_client_rpc+0x802/0xaa0 net/9p/client.c:732
 p9_client_create+0x9e7/0x11c0 net/9p/client.c:1023
 v9fs_session_init+0x1f2/0x1950 fs/9p/v9fs.c:408
 v9fs_mount+0xca/0xb60 fs/9p/vfs_super.c:126
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:632
 vfs_get_tree+0x88/0x290 fs/super.c:1564
 do_new_mount+0x2ba/0xb30 fs/namespace.c:3051
 path_mount+0x671/0x1070 fs/namespace.c:3381
 do_mount fs/namespace.c:3394 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3579
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f504327cee9
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:00007f5043fa00c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50433ac120 RCX: 00007f504327cee9
RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50432c949e R08: 0000000020000580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f50433ac120 R15: 00007fffc69ad248
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0xea/0x130 lib/list_debug.c:53
Code: 4c 89 fe e8 0c 02 7d 02 0f 0b 48 c7 c7 a0 cd c9 85 4c 89 fe e8 fb 01 7d 02 0f 0b 48 c7 c7 00 ce c9 85 4c 89 fe e8 ea 01 7d 02 <0f> 0b 48 c7 c7 60 ce c9 85 4c 89 fe e8 d9 01 7d 02 0f 0b 48 c7 c7
RSP: 0018:ffffc90001717440 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000122 RCX: a631ef12cd17f500
RDX: ffffc900065dc000 RSI: 000000000000097f RDI: 0000000000000980
RBP: ffffc90001717460 R08: ffffffff815af825 R09: fffff520002e2de1
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff11025a0435e R14: dead000000000100 R15: ffff88812d021b68
FS:  00007f5043fa06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3322f000 CR3: 000000010fc28000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (27):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/22 17:32 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2024/05/10 08:20 android14-6.1 cf685d2b0273 de979bc2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2024/02/22 07:25 android14-6.1 a7f647f49daf 345111b5 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2024/01/23 06:28 android14-6.1 2d3f0c9d4108 1c0ecc51 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2024/01/17 10:15 android14-6.1 e6712ed4f007 c9a1c95b .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2024/01/06 01:12 android14-6.1 ac90f0829243 d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2024/01/03 15:13 android14-6.1 2c085909e7a7 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2024/01/02 06:37 android14-6.1 d3006fb9449d fb427a07 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/12/23 18:38 android14-6.1 401a2769d990 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/12/19 20:49 android14-6.1 07775f9683d4 3ad490ea .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/12/19 09:55 android14-6.1 efa8f34b5aa8 3ad490ea .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/12/16 15:14 android14-6.1 cee8ebf7c508 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/11/02 15:46 android14-6.1 2799026a2823 69904c9f .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/10/18 18:36 android14-6.1 1c9040893195 342b9c55 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/10/16 07:33 android14-6.1 acb072863888 f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/10/06 16:54 android14-6.1 324c8522f9cd ea12a918 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/10/05 20:57 android14-6.1 4e10001b7cb5 db17ad9f .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/09/26 20:36 android14-6.1 ae5ea9043de1 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/09/11 17:56 android14-6.1 478ec4dbea42 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/09/05 18:19 android14-6.1 404522c763df 0b6286dc .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/08/26 04:10 android14-6.1 4db95aa21ae4 03d9c195 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/08/07 13:04 android14-6.1 5e1d25ac2ab6 dda824c4 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/07/27 06:23 android14-6.1 544ae28cf6b5 41fe1bae .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/07/06 09:32 android14-6.1 2e2b1f49826e ba5dba36 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/06/12 16:17 android14-6.1 09e0f8509684 aaed0183 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/05/19 16:25 android14-6.1 bfbebce3f712 96689200 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
2023/05/16 17:02 android14-6.1 10e4c804f2f9 11c89444 .config console log report info ci2-android-6-1 BUG: corrupted list in p9_fd_cancelled
* Struck through repros no longer work on HEAD.