From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f208.google.com (mail-oi1-f208.google.com [209.85.167.208]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA8DE35677C for ; Sat, 1 Aug 2026 00:24:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785543872; cv=none; b=YHFJ1Cd+4zJlhOiDjNHOSUbivYxHZSDmD/lYYnHWvGpHl/Dh2hHPxfcodEk9hXZLl74Yb1zpetK5kguxBLYCuN9SV6VCsJ8t0Ti170cbfyQy0c9eYMnMH0ilj6r0GCF1ipaDN7UiJDxLYAQ55Hblt3Br+AZMuWNHgKXNMi7UZGE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785543872; c=relaxed/simple; bh=Dyv3r3VOqMu+t3EU85Qw8PEuXVlUyzkLaTWFQr2HPQw=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=etSsSGom1iGF5RuPjx+AANuZF5DAocq2+UBjN78U72rpi71snv0eTaoqVVKYrcif0TDLETg/gTxJS1cBbuZoXP639cWLruJuenY7fSOjTWWE0EMlitMcD16BGqZsxYsBbc7PwIHUc5it0iGSpnk/4CI5DJYoTcfu6yNuMTto58o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.208 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f208.google.com with SMTP id 5614622812f47-4ab4af22d09so1974697b6e.0 for ; Fri, 31 Jul 2026 17:24:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785543870; x=1786148670; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=qVd58TPnt7YWORxKDPFmEH4Zsye0rPYQgz8PIgkDcCw=; b=ABnynUV8A6PrsRAjI60W+4OkcF2HsdFjlmzIxatfTjmukQ+EpxHRoB3Bm783AV6AST hi3g6tWRlQZZ6P4fV5OtAuGQB3EFOSDAE/RxvpT9G+X1XWhKuMSE1ui2pWSEeWjTY14P zyAACg9a1UsusisFObd2xLNr+X47ld1dGvFUY8O3ukdbQX+/8SA98r9AO+fTAm3R/9Tt q/OH4OdYPsw8wUFv2aiuPM1v50gEGl8FKNI4TRWYtTsFXAUjyut/DMC8j1MeqlW7iVQE YglZPuOXJ0thZkvyxzyzmrEa6k/KAPJ6cJgFExikh1u2Q0RdB07iCz4uZeKqQgyxZN+e y5uA== X-Forwarded-Encrypted: i=1; AHgh+Ro9sPYzBtvcgicENq1SkOslKVF2MxvKcknTtoT2ztOCrDkxv27lZcvMAQNbC7iR4Pc5z6v/KAelAYtp9vs=@vger.kernel.org X-Gm-Message-State: AOJu0YwELzvqV4knAvHOM9uvYLd111qOOUCFMUZxOW546S6YyUh73brF QH4Dk94SkYfz8S4xhSv+silDX5RwlJSebV7yc5LK1HI/z7XocYBi/EYlFKmKvqcAfxyIn3jRGzL RE/ddfiqKZ0MxdoZZdNOhFNjs2kmRhch5fuJtUb2liyETgunk9rxlkYIXFPE= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:d52:b0:497:deab:2bfe with SMTP id 5614622812f47-4af5dfb3c0dmr3861203b6e.1.1785543869869; Fri, 31 Jul 2026 17:24:29 -0700 (PDT) Date: Fri, 31 Jul 2026 17:24:29 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a6d3cbd.6ce73036.24301b.000e.GAE@google.com> Subject: [syzbot] [mm?] WARNING in va_alloc From: syzbot To: akpm@linux-foundation.org, bsegall@google.com, david@kernel.org, dietmar.eggemann@arm.com, juri.lelli@redhat.com, kees@kernel.org, kprateek.nayak@amd.com, liam@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org, mgorman@suse.de, mhocko@suse.com, mingo@redhat.com, peterz@infradead.org, rostedt@goodmis.org, rppt@kernel.org, surenb@google.com, syzkaller-bugs@googlegroups.com, vbabka@kernel.org, vincent.guittot@linaro.org, vschneid@redhat.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 11028ab62899 Merge tag 'probes-fixes-v7.2-rc5' of git://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16efd632580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c05be6c9b0d36cb9 dashboard link: https://syzkaller.appspot.com/bug?extid=61c997e6be1d9bb300ba compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-11028ab6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/511647651d7f/vmlinux-11028ab6.xz kernel image: https://storage.googleapis.com/syzbot-assets/1c76180d0109/bzImage-11028ab6.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+61c997e6be1d9bb300ba@syzkaller.appspotmail.com FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 1, space 0, times 977 CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x40c/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4539 [inline] slab_alloc_node mm/slub.c:4897 [inline] kmem_cache_alloc_node_noprof+0xb3/0x610 mm/slub.c:4989 preload_this_cpu_lock+0x49/0xc0 mm/vmalloc.c:1902 alloc_vmap_area+0x3c3/0x1420 mm/vmalloc.c:2072 __get_vm_area_node+0x1f2/0x300 mm/vmalloc.c:3226 __vmalloc_node_range_noprof+0x358/0x1730 mm/vmalloc.c:4042 __vmalloc_node_noprof+0xc2/0x100 mm/vmalloc.c:4143 alloc_thread_stack_node kernel/fork.c:359 [inline] dup_task_struct+0x2a0/0x8e0 kernel/fork.c:929 copy_process+0x820/0x4390 kernel/fork.c:2115 kernel_clone+0x2d7/0x940 kernel/fork.c:2748 __do_sys_clone3 kernel/fork.c:3050 [inline] __se_sys_clone3+0x33c/0x360 kernel/fork.c:3029 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d8f39ed89 Code: 90 b8 01 00 00 00 b9 01 00 00 00 eb ec 0f 1f 40 00 b8 ea ff ff ff 48 85 ff 74 28 48 85 d2 74 23 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 14 74 01 c3 31 ed 4c 89 c7 ff d2 48 89 c7 b8 3c 00 00 RSP: 002b:00007fffcf746358 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f9d8f35a320 RCX: 00007f9d8f39ed89 RDX: 00007f9d8f35a320 RSI: 0000000000000058 RDI: 00007fffcf7463b0 RBP: 00007f9d902776c0 R08: 00007f9d902776c0 R09: 00007fffcf746497 R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffe8 R13: 000000000000006e R14: 00007fffcf7463b0 R15: 00007fffcf746498 ------------[ cut here ]------------ ret WARNING: mm/vmalloc.c:1820 at va_alloc+0xeb/0xec0 mm/vmalloc.c:1820, CPU#0: syz.0.0/5320 Modules linked in: CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:va_alloc+0xeb/0xec0 mm/vmalloc.c:1820 Code: 08 4c 89 ef e8 16 98 10 00 4d 8b 7d 00 48 89 df 4c 89 fe e8 97 69 a1 ff 4c 39 fb 76 27 e8 2d 67 a1 ff 49 c7 c6 ea ff ff ff 90 <0f> 0b 90 4c 89 f0 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc RSP: 0018:ffffc9000f5e74b0 EFLAGS: 00010293 RAX: ffffffff8225caea RBX: ffffc9000f679000 RCX: ffff88801fae2540 RDX: 0000000000000000 RSI: ffffffff8c4bed60 RDI: ffffffff8c4bed20 RBP: ffff88803f07ef08 R08: 00000000ffffffff R09: 1ffffffff1d94962 R10: dffffc0000000000 R11: fffffbfff1d94963 R12: 1ffff11007e0fde1 R13: ffffc9000f670000 R14: fffffffffffffff4 R15: 0000000000000000 FS: 000055557c363540(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9d90277d58 CR3: 0000000012236000 CR4: 0000000000352ef0 Call Trace: __alloc_vmap_area mm/vmalloc.c:1855 [inline] alloc_vmap_area+0x907/0x1420 mm/vmalloc.c:2073 __get_vm_area_node+0x1f2/0x300 mm/vmalloc.c:3226 __vmalloc_node_range_noprof+0x358/0x1730 mm/vmalloc.c:4042 __vmalloc_node_noprof+0xc2/0x100 mm/vmalloc.c:4143 alloc_thread_stack_node kernel/fork.c:359 [inline] dup_task_struct+0x2a0/0x8e0 kernel/fork.c:929 copy_process+0x820/0x4390 kernel/fork.c:2115 kernel_clone+0x2d7/0x940 kernel/fork.c:2748 __do_sys_clone3 kernel/fork.c:3050 [inline] __se_sys_clone3+0x33c/0x360 kernel/fork.c:3029 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d8f39ed89 Code: 90 b8 01 00 00 00 b9 01 00 00 00 eb ec 0f 1f 40 00 b8 ea ff ff ff 48 85 ff 74 28 48 85 d2 74 23 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 14 74 01 c3 31 ed 4c 89 c7 ff d2 48 89 c7 b8 3c 00 00 RSP: 002b:00007fffcf746358 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f9d8f35a320 RCX: 00007f9d8f39ed89 RDX: 00007f9d8f35a320 RSI: 0000000000000058 RDI: 00007fffcf7463b0 RBP: 00007f9d902776c0 R08: 00007f9d902776c0 R09: 00007fffcf746497 R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffe8 R13: 000000000000006e R14: 00007fffcf7463b0 R15: 00007fffcf746498 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup