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: 4d01h, last: 12m
Duplicate of
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
WARNING in raw_ioctl mm -1 C 127 1h34m 6d10h
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 12 56m 1d13h 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 (427):
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
2025/10/29 20:15 upstream e53642b87a4f fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in raw_alloc_io_data
2025/10/27 08:13 upstream dcb6fa37fd7b c0460fcd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in raw_alloc_io_data
2025/10/31 00:37 upstream e53642b87a4f 2c50b6a9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in raw_alloc_io_data
2025/10/30 20:07 upstream e53642b87a4f 2c50b6a9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in raw_alloc_io_data
2025/10/29 23:26 upstream e53642b87a4f fd2207e7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in raw_alloc_io_data
2025/10/31 08:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/31 07:31 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/31 07:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/31 06:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/31 05:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/31 04:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/31 02:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/31 01:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 23:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 22:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 21:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 21:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 18:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 17:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 16:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 15:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 14:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 13:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 12:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 10:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 09:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 08:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 07:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 06:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 05:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 04:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 02:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 01:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/30 00:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 22:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 21:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 19:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 18:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 16:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 15:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 15:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 13:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 12:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 11:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 09:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in raw_alloc_io_data
2025/10/29 07:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 18514fd70ea4 fd2207e7 .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.