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Mon, 24 Aug 2026 17:03:34 -0700 (PDT) Date: Mon, 24 Aug 2026 17:03:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a8cdbd6.dbb3a75c.7844.0013.GAE@google.com> Subject: [syzbot] [mm?] WARNING in setup_conf From: syzbot To: akpm@linux-foundation.org, apopple@nvidia.com, byungchul@sk.com, david@kernel.org, gourry@gourry.net, joshua.hahnjy@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, matthew.brost@intel.com, rakie.kim@sk.com, syzkaller-bugs@googlegroups.com, ying.huang@linux.alibaba.com, ziy@nvidia.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: AB34B1C0007 X-Stat-Signature: tehxa4hszy1cdxut4k4k49t3rugqpa3e X-Rspam-User: X-HE-Tag: 1787616215-510844 X-HE-Meta: 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 w5EYT/1x 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 s+awZ71N 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot found the following issue on: HEAD commit: 9d2ed026f031 Merge tag 'sysctl-7.03-rc1' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1124919e580000 kernel config: https://syzkaller.appspot.com/x/.config?x=6e414d6e0a79e71d dashboard link: https://syzkaller.appspot.com/bug?extid=75f49ec552cc74d9d69b 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-9d2ed026.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/89c0c0c0f535/vmlinux-9d2ed026.xz kernel image: https://storage.googleapis.com/syzbot-assets/80d7adeb0e7d/bzImage-9d2ed026.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+75f49ec552cc74d9d69b@syzkaller.appspotmail.com tipc: Started in network mode tipc: Node identity 2007ff, cluster identity 4711 tipc: Node number set to 2099199 md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ ------------[ cut here ]------------ 1 WARNING: mm/page_alloc.c:5280 at __alloc_frozen_pages_noprof+0x2ce/0x380 mm/page_alloc.c:5280, CPU#0: syz.0.0/5310 Modules linked in: CPU: 0 UID: 0 PID: 5310 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:__alloc_frozen_pages_noprof+0x2ce/0x380 mm/page_alloc.c:5280 Code: 74 10 4c 89 e7 89 54 24 0c e8 8e 2d 0e 00 8b 54 24 0c 49 83 3c 24 00 0f 85 ab fe ff ff e9 ac fe ff ff c6 05 74 6e 18 0e 01 90 <0f> 0b 90 e9 17 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24 RSP: 0018:ffffc9000d50f520 EFLAGS: 00010246 RAX: ffffc9000d50f500 RBX: 0000000000000015 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d50f588 RBP: ffffc9000d50f610 R08: ffffc9000d50f587 R09: 0000000000000000 R10: ffffc9000d50f560 R11: fffff52001aa1eb1 R12: 0000000000000000 R13: 1ffff92001aa1ea8 R14: 0000000000040dc0 R15: dffffc0000000000 FS: 00007fe2b9aac6c0(0000) GS:ffff88808c519000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc93d2c090 CR3: 0000000044100000 CR4: 0000000000352ef0 Call Trace: alloc_pages_mpol+0x212/0x390 mm/mempolicy.c:2490 ___kmalloc_large_node+0x4c/0x120 mm/slub.c:5274 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5305 __do_kmalloc_node mm/slub.c:5322 [inline] __kmalloc_noprof+0x409/0x720 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] setup_conf+0x28b/0xce0 drivers/md/raid10.c:3883 raid10_run+0x1d2/0x16c0 drivers/md/raid10.c:3984 md_run+0xdbd/0x1e00 drivers/md/md.c:6760 do_md_run+0x35/0x720 drivers/md/md.c:6861 md_ioctl+0x1c58/0x2580 drivers/md/md.c:8492 blkdev_ioctl+0x5e3/0x740 block/ioctl.c:797 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe2b8b9e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe2b9aabfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe2b8e25fa0 RCX: 00007fe2b8b9e0d9 RDX: 0000000000000000 RSI: 00000000400c0930 RDI: 0000000000000009 RBP: 00007fe2b8c35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe2b8e26038 R14: 00007fe2b8e25fa0 R15: 00007ffe1ca65d58 --- 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