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Sun, 08 Mar 2026 10:02:32 -0700 (PDT) Date: Sun, 08 Mar 2026 10:02:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69adaba8.a00a0220.b130.0005.GAE@google.com> Subject: [syzbot] [mm?] WARNING in create_strip_zones 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-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: D324D1C0007 X-Stat-Signature: zyitiwtjjyrg1s8rx99wh86uyrr8ppae X-HE-Tag: 1772989353-541166 X-HE-Meta: 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 9KgODv6e 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 ELCB8UyO 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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: ecc64d2dc9ff Merge tag 'sysctl-7.00-fixes-rc3' of git://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11667006580000 kernel config: https://syzkaller.appspot.com/x/.config?x=976ba5a93c4add9e dashboard link: https://syzkaller.appspot.com/bug?extid=924649752adf0d3ac9dd compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 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-ecc64d2d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/69399e740888/vmlinux-ecc64d2d.xz kernel image: https://storage.googleapis.com/syzbot-assets/bc08c6900a4a/bzImage-ecc64d2d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+924649752adf0d3ac9dd@syzkaller.appspotmail.com ------------[ cut here ]------------ 1 WARNING: mm/page_alloc.c:5226 at __alloc_frozen_pages_noprof+0x23ea/0x2ba0 mm/page_alloc.c:5226, CPU#3: syz.7.23364/10844 Modules linked in: CPU: 3 UID: 0 PID: 10844 Comm: syz.7.23364 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP 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+0x23ea/0x2ba0 mm/page_alloc.c:5226 Code: 00 45 31 c9 49 83 bc 24 70 05 00 00 00 4c 89 4c 24 50 0f 85 5f f8 ff ff c6 44 24 10 00 e9 f3 ea ff ff c6 05 d4 93 5a 0e 01 90 <0f> 0b 90 e9 69 df ff ff 83 7c 24 40 03 41 bc 04 00 00 00 7f 06 41 RSP: 0018:ffffc900050b75f8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000040dc0 RBP: 0000000000000011 R08: 0000000000000005 R09: 0000000000000009 R10: 0000000000000011 R11: 0000000000000000 R12: 0000000000040dc0 R13: 1ffff92000a16f0e R14: 0000000000000011 R15: 1ffff92000a16ed8 FS: 00007f782a8cc6c0(0000) GS:ffff8880d6645000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000040 CR3: 000000003e49e000 CR4: 0000000000352ef0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2484 ___kmalloc_large_node+0x104/0x150 mm/slub.c:5179 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5210 __do_kmalloc_node mm/slub.c:5226 [inline] __kmalloc_noprof+0x5be/0x850 mm/slub.c:5250 kmalloc_noprof include/linux/slab.h:954 [inline] kzalloc_noprof include/linux/slab.h:1188 [inline] create_strip_zones+0x56b/0x1f90 drivers/md/raid0.c:149 raid0_run+0x341/0x410 drivers/md/raid0.c:421 md_run+0xc2f/0x24b0 drivers/md/md.c:6601 do_md_run+0x36/0x660 drivers/md/md.c:6698 md_ioctl+0x27b2/0x37b0 drivers/md/md.c:8321 blkdev_ioctl+0x5ad/0x6f0 block/ioctl.c:804 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f782999c799 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:00007f782a8cc028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7829c15fa0 RCX: 00007f782999c799 RDX: 0000200000000005 RSI: 00000000400c0930 RDI: 0000000000000004 RBP: 00007f7829a32bd9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7829c16038 R14: 00007f7829c15fa0 R15: 00007fff9111c658 --- 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