syzbot


WARNING in __v9fs_get_acl

Status: upstream: reported C repro on 2023/03/13 04:51
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+a2c0ccf6ce88f46ee379@syzkaller.appspotmail.com
First crash: 438d, last: 7d16h
Bug presence (3)
Date Name Commit Repro Result
2024/05/01 linux-6.1.y (ToT) dcbc050cb0d3 C [report] WARNING in __v9fs_get_acl
2023/05/04 upstream (ToT) 1a5304fecee5 C [report] WARNING in v9fs_fid_get_acl
2024/05/01 upstream (ToT) 0106679839f7 C Didn't crash
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in __v9fs_get_acl origin:upstream missing-backport C 356 4d22h 438d 0/3 upstream: reported C repro on 2023/03/13 03:41
upstream WARNING in __v9fs_get_acl v9fs C done error 224 503d 1011d 0/26 upstream: reported C repro on 2021/08/16 09:58
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/05/12 05:42 12h05m fix candidate upstream error job log (0)

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3545 at mm/page_alloc.c:5521 __alloc_pages+0x3b7/0x770 mm/page_alloc.c:5521
Modules linked in:
CPU: 1 PID: 3545 Comm: syz-executor211 Not tainted 6.1.73-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__alloc_pages+0x3b7/0x770 mm/page_alloc.c:5521
Code: fc ff df 0f 85 fa 00 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 ea 00 00 00 c6 05 2c 57 89 0c 01 <0f> 0b 41 83 fc 0a 0f 86 1e fd ff ff 45 31 e4 48 c7 44 24 20 0e 36
RSP: 0018:ffffc90003adf9e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90003adfa68
RBP: ffffc90003adfb00 R08: dffffc0000000000 R09: ffffc90003adfa40
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000014
R13: 0000000000040d40 R14: 1ffff9200075bf44 R15: 1ffff9200075bf40
FS:  0000555556d37380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005596f6185000 CR3: 000000001b7b9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 __kmalloc_large_node+0x91/0x1d0 mm/slab_common.c:1096
 __do_kmalloc_node mm/slab_common.c:943 [inline]
 __kmalloc+0x118/0x230 mm/slab_common.c:968
 kmalloc include/linux/slab.h:558 [inline]
 kzalloc include/linux/slab.h:689 [inline]
 __v9fs_get_acl+0x40/0x110 fs/9p/acl.c:28
 v9fs_get_acl+0xa5/0x280 fs/9p/acl.c:63
 v9fs_mount+0x954/0xc30 fs/9p/vfs_super.c:184
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 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:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe669f3d769
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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:00007fff6e7ccfe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe669f86017 RCX: 00007fe669f3d769
RDX: 0000000020000b80 RSI: 00000000200003c0 RDI: 0000000000000000
RBP: 00007fe669fb0610 R08: 0000000020000300 R09: 00007fff6e7cd1b8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff6e7cd1a8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (1203):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/01/16 14:39 linux-6.1.y fec3b1451d5f 2a7bcc7f .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2023/12/01 18:45 linux-6.1.y 6ac30d748bb0 f819d6f7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2023/04/01 11:35 linux-6.1.y 3b29299e5f60 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/03/22 20:28 linux-6.1.y d7543167affd 4b6cdce6 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/03/12 09:15 linux-6.1.y 61adba85cc40 6ee49f2e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2023/10/27 20:09 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2023/04/01 06:38 linux-6.1.y 3b29299e5f60 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2023/07/19 12:43 linux-6.1.y 61fd484b2cf6 022df2bb .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2023/07/11 00:23 linux-6.1.y 61fd484b2cf6 d47e94ee .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2023/03/13 08:36 linux-6.1.y 1cc3fcf63192 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2023/03/13 04:51 linux-6.1.y 1cc3fcf63192 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/16 12:58 linux-6.1.y 909ba1f1b414 ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/05/16 12:57 linux-6.1.y 909ba1f1b414 ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/05/14 22:04 linux-6.1.y 909ba1f1b414 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/05/14 08:01 linux-6.1.y 909ba1f1b414 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/05/13 21:16 linux-6.1.y 909ba1f1b414 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/05/13 14:26 linux-6.1.y 909ba1f1b414 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/05/05 15:32 linux-6.1.y 909ba1f1b414 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/04/27 02:32 linux-6.1.y 6741e066ec76 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __v9fs_get_acl
2024/05/14 18:38 linux-6.1.y 909ba1f1b414 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/09 01:15 linux-6.1.y 909ba1f1b414 20bf80e1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/08 22:53 linux-6.1.y 909ba1f1b414 20bf80e1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/05 19:04 linux-6.1.y 909ba1f1b414 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/02 23:39 linux-6.1.y 909ba1f1b414 ddfc15a1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/02 22:26 linux-6.1.y 909ba1f1b414 ddfc15a1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/02 18:40 linux-6.1.y 909ba1f1b414 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/02 17:40 linux-6.1.y 909ba1f1b414 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/01 11:36 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/01 04:23 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/05/01 03:37 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/30 16:30 linux-6.1.y dcbc050cb0d3 3ce4924c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/30 15:26 linux-6.1.y dcbc050cb0d3 3ce4924c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/30 11:03 linux-6.1.y dcbc050cb0d3 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/30 08:25 linux-6.1.y dcbc050cb0d3 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/29 23:49 linux-6.1.y dcbc050cb0d3 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/29 22:11 linux-6.1.y dcbc050cb0d3 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/29 16:06 linux-6.1.y dcbc050cb0d3 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/29 13:24 linux-6.1.y dcbc050cb0d3 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/29 09:03 linux-6.1.y f2295faba5e8 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/29 07:35 linux-6.1.y f2295faba5e8 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/28 21:56 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/28 05:26 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/27 20:34 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/27 16:43 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/27 05:01 linux-6.1.y 6741e066ec76 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/27 03:43 linux-6.1.y 6741e066ec76 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/26 13:40 linux-6.1.y 6741e066ec76 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/26 07:36 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/26 01:48 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/25 17:53 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/25 15:48 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/25 09:33 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/25 09:33 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
2024/04/24 19:56 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __v9fs_get_acl
* Struck through repros no longer work on HEAD.