syzbot


WARNING in raw_alloc_io_data

Status: closed as dup on 2025/10/28 00:41
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+a894fe5447d0543e89c9@syzkaller.appspotmail.com
First crash: 44d, last: 3d11h
Duplicate of
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
WARNING in raw_ioctl usb mm -1 C 664 3d09h 47d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [mm?] WARNING in raw_alloc_io_data 2 (4) 2025/10/28 00:40
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in raw_alloc_io_data origin:upstream -1 C 73 1h46m 42d 0/3 upstream: reported C repro on 2025/10/29 19:52
Last patch testing requests (1)
Created Duration User Patch Repo Result
2025/10/27 23:56 19m krishnagopi487@gmail.com patch upstream OK log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6091 at mm/page_alloc.c:5159 __alloc_frozen_pages_noprof+0x309/0x2470 mm/page_alloc.c:5159
Modules linked in:
CPU: 3 UID: 0 PID: 6091 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__alloc_frozen_pages_noprof+0x309/0x2470 mm/page_alloc.c:5159
Code: f0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 83 fe 0a 0f 86 0c fe ff ff 80 3d d4 63 52 0e 00 75 0b c6 05 cb 63 52 0e 01 90 <0f> 0b 90 45 31 f6 eb 81 4d 85 f6 74 22 44 89 fa 89 ee 4c 89 f7 e8
RSP: 0018:ffffc9000371f9f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000040cc0
RBP: 0000000000000014 R08: 0000000000000005 R09: 0000000000000009
R10: 0000000000000014 R11: 0000000000000001 R12: 0000000000040cc0
R13: 1ffff920006e3f55 R14: ffffffff9ab2c464 R15: 0000000000000014
FS:  000055557bf92500(0000) GS:ffff8880d6d0a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f84d9710300 CR3: 0000000032452000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
 ___kmalloc_large_node+0xed/0x160 mm/slub.c:5583
 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5614
 __do_kmalloc_node mm/slub.c:5630 [inline]
 __kmalloc_noprof.cold+0xc/0x62 mm/slub.c:5654
 kmalloc_noprof include/linux/slab.h:961 [inline]
 raw_alloc_io_data drivers/usb/gadget/legacy/raw_gadget.c:673 [inline]
 raw_alloc_io_data+0x12c/0x1a0 drivers/usb/gadget/legacy/raw_gadget.c:659
 raw_ioctl_ep0_read drivers/usb/gadget/legacy/raw_gadget.c:776 [inline]
 raw_ioctl+0x1397/0x2c30 drivers/usb/gadget/legacy/raw_gadget.c:1313
 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+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f84d938efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe768729f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f84d95e5fa0 RCX: 00007f84d938efc9
RDX: 0000200000000080 RSI: 00000000c0085504 RDI: 0000000000000006
RBP: 00007f84d9411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f84d95e5fa0 R14: 00007f84d95e5fa0 R15: 0000000000000003
 </TASK>

Crashes (2684):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/27 08:51 upstream dcb6fa37fd7b c0460fcd .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/10/27 08:21 upstream dcb6fa37fd7b c0460fcd .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/11/09 22:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/12/05 16:36 upstream 2061f18ad76e d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in raw_alloc_io_data
2025/12/05 05:53 upstream 6dfafbd0299a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in raw_alloc_io_data
2025/11/29 02:21 upstream 6cf62f0174de d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in raw_alloc_io_data
2025/11/14 12:55 upstream 6da43bbeb691 6d98c1c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in raw_alloc_io_data
2025/12/07 13:27 upstream c06c303832ec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/07 11:45 upstream c06c303832ec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/07 10:55 upstream c06c303832ec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/07 08:20 upstream c06c303832ec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/07 06:18 upstream c06c303832ec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/07 05:05 upstream c06c303832ec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/07 02:50 upstream c06c303832ec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/07 00:53 upstream c06c303832ec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 23:53 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 21:58 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 21:08 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 20:04 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 17:34 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 16:16 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 12:55 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 11:21 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 09:36 upstream d1d36025a617 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 05:06 upstream d1d36025a617 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 03:48 upstream d1d36025a617 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 22:29 upstream d1d36025a617 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 20:34 upstream 2061f18ad76e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 18:14 upstream 2061f18ad76e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 15:08 upstream 2061f18ad76e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 13:48 upstream 2061f18ad76e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 12:28 upstream 2061f18ad76e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 12:04 upstream 2061f18ad76e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 07:03 upstream 6dfafbd0299a d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 04:36 upstream 6dfafbd0299a d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 02:26 upstream 6dfafbd0299a d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/05 01:25 upstream 6dfafbd0299a d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 23:42 upstream 6dfafbd0299a d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 22:08 upstream 6dfafbd0299a d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 20:13 upstream 6dfafbd0299a d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 18:54 upstream 6dfafbd0299a d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 15:45 upstream cc25df3e2e22 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 10:44 upstream cc25df3e2e22 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 07:59 upstream cc25df3e2e22 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 04:50 upstream 3f9f0252130e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/04 00:20 upstream 3f9f0252130e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/03 20:41 upstream 3f9f0252130e d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/12/06 18:55 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in raw_alloc_io_data
2025/12/06 13:57 upstream 416f99c3b16f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in raw_alloc_io_data
2025/12/04 13:37 upstream cc25df3e2e22 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in raw_alloc_io_data
2025/11/21 13:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 280ea308 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
* Struck through repros no longer work on HEAD.