syzbot
WARNING in raw_ioctl
Status:
auto-obsoleted due to no activity on 2026/03/15 21:54
Bug presence:
origin:lts
[Documentation on labels]
Reported-by: syzbot+c1a7c02b573916574b31@syzkaller.appspotmail.com
First crash: 190d, last: 186d
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Last patch testing requests (1)
| Created |
Duration |
User |
Patch |
Repo |
Result |
| 2026/02/07 22:31 |
17m
|
retest repro
|
|
android16-6.12 |
OK
log
|
Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2201 at mm/page_alloc.c:5234 __alloc_pages_noprof+0x109/0x7e0 mm/page_alloc.c:5234
Modules linked in:
CPU: 0 UID: 0 PID: 2201 Comm: syz.1.548 Not tainted syzkaller #0 498a5acb6e4843ab2d53b6e06e6ff2a870de3258
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__alloc_pages_noprof+0x109/0x7e0 mm/page_alloc.c:5234
Code: 00 0f 1f 44 00 00 83 fb 0b 72 28 b8 00 20 00 00 23 44 24 40 75 1d 80 3d ba aa 0b 06 00 0f 85 c2 00 00 00 c6 05 ad aa 0b 06 01 <0f> 0b 31 c0 e9 b4 00 00 00 83 fb 0a 0f 87 a9 00 00 00 44 8b 64 24
RSP: 0018:ffffc9000e677960 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000e677a18
RBP: ffffc9000e677a88 R08: ffffc9000e677a17 R09: 0000000000000000
R10: ffffc9000e677a00 R11: fffff52001ccef43 R12: ffffc9000e6779a0
R13: dffffc0000000000 R14: 1ffff92001ccef30 R15: 0000000000000000
FS: 00007fc40c04b6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc40b542000 CR3: 0000000115f82000 CR4: 00000000003526b0
Call Trace:
<TASK>
___kmalloc_large_node+0x81/0x210 mm/slub.c:-1
__kmalloc_large_node_noprof+0x1e/0xd0 mm/slub.c:4367
__do_kmalloc_node mm/slub.c:4383 [inline]
__kmalloc_noprof+0x326/0x500 mm/slub.c:4407
kmalloc_noprof include/linux/slab.h:885 [inline]
raw_alloc_io_data drivers/usb/gadget/legacy/raw_gadget.c:673 [inline]
raw_ioctl_ep0_read drivers/usb/gadget/legacy/raw_gadget.c:776 [inline]
raw_ioctl+0x1888/0x3740 drivers/usb/gadget/legacy/raw_gadget.c:1313
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0x135/0x1b0 fs/ioctl.c:893
__x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc40b19acb9
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:00007fc40c04b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc40b415fa0 RCX: 00007fc40b19acb9
RDX: 0000200000000080 RSI: 00000000c0085504 RDI: 0000000000000008
RBP: 00007fc40b208bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc40b416038 R14: 00007fc40b415fa0 R15: 00007fff787290d8
</TASK>
---[ end trace 0000000000000000 ]---
* Struck through repros no longer work on HEAD.