From: syzbot ci <syzbot+ci47dc73e1c66cd1af@syzkaller.appspotmail.com>
To: syzkaller-upstream-moderation@googlegroups.com
Cc: syzbot@lists.linux.dev
Subject: [moderation/CI] Re: mm/memory hotplug/unplug: Optimize zone->contiguous update when move pfn range
Date: Wed, 19 Nov 2025 06:19:10 -0800 [thread overview]
Message-ID: <691dd1de.a70a0220.d98e3.0015.GAE@google.com> (raw)
syzbot ci has tested the following series
[v3] mm/memory hotplug/unplug: Optimize zone->contiguous update when move pfn range
https://lore.kernel.org/all/20251119140657.3845818-1-tianyou.li@intel.com
* [PATCH v3] mm/memory hotplug/unplug: Optimize zone->contiguous update when move pfn range
and found the following issue:
WARNING: kmalloc bug in bpf_prog_alloc_no_stats
Full report is available here:
https://ci.syzbot.org/series/b583f96e-0205-4464-9ac8-2910b2baa1f3
***
WARNING: kmalloc bug in bpf_prog_alloc_no_stats
tree: mm-new
URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/akpm/mm.git
base: 41218ede767f6b218185af65ce919d0cade75f6b
arch: amd64
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
config: https://ci.syzbot.org/builds/1fc125dc-5216-42b4-8ac5-c5883868f1d7/config
------------[ cut here ]------------
Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
WARNING: CPU: 0 PID: 6188 at mm/vmalloc.c:3938 vmalloc_fix_flags+0x9c/0xe0
Modules linked in:
CPU: 0 UID: 0 PID: 6188 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:vmalloc_fix_flags+0x9c/0xe0
Code: 81 e6 1f 52 ee ff 89 74 24 30 81 e3 e0 ad 11 00 89 5c 24 20 90 48 c7 c7 c0 b9 76 8b 4c 89 fa 89 d9 4d 89 f0 e8 75 2b 6e ff 90 <0f> 0b 90 90 8b 44 24 20 48 c7 04 24 0e 36 e0 45 4b c7 04 2c 00 00
RSP: 0018:ffffc90005167b00 EFLAGS: 00010246
RAX: 0bf5a8ae2c29ee00 RBX: 0000000000000dc0 RCX: ffff88810a7dba00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc90005167b98 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba684 R12: 1ffff92000a2cf60
R13: dffffc0000000000 R14: ffffc90005167b20 R15: ffffc90005167b30
FS: 0000555569560500(0000) GS:ffff88818eb36000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38c7dc1f20 CR3: 0000000169fe8000 CR4: 00000000000006f0
Call Trace:
<TASK>
__vmalloc_noprof+0xf2/0x120
bpf_prog_alloc_no_stats+0x4a/0x4d0
bpf_prog_alloc+0x3c/0x1a0
bpf_prog_create_from_user+0xa7/0x440
do_seccomp+0x7b1/0xd90
__se_sys_prctl+0xc3c/0x1830
do_syscall_64+0xfa/0xfa0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f227b190b0d
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 18 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00
RSP: 002b:00007ffe2e2f4140 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
RAX: ffffffffffffffda RBX: 00007f227b22cf80 RCX: 00007f227b190b0d
RDX: 00007ffe2e2f41a0 RSI: 0000000000000002 RDI: 0000000000000016
RBP: 00007ffe2e2f41b0 R08: 0000000000000006 R09: 0000000000000071
R10: 0000000000000071 R11: 0000000000000246 R12: 000000000000006d
R13: 00007ffe2e2f45d8 R14: 00007ffe2e2f4858 R15: 0000000000000000
</TASK>
***
If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@syzkaller.appspotmail.com
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
The email will later be sent to:
[david@redhat.com linux-kernel@vger.kernel.org linux-mm@kvack.org nanhai.zou@intel.com osalvador@suse.de pan.deng@intel.com qiuxu.zhuo@intel.com richard.weiyang@gmail.com rppt@kernel.org tianyou.li@intel.com tim.c.chen@linux.intel.com yong.hu@intel.com yu.c.chen@intel.com yuan1.liu@intel.com zhangchen.kidd@jd.com]
If the report looks fine to you, reply with:
#syz upstream
reply other threads:[~2025-11-19 14:19 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=691dd1de.a70a0220.d98e3.0015.GAE@google.com \
--to=syzbot+ci47dc73e1c66cd1af@syzkaller.appspotmail.com \
--cc=syzbot@lists.linux.dev \
--cc=syzkaller-upstream-moderation@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.