* [syzbot] [input?] [usb?] memory leak in __usbhid_submit_report (2)
@ 2026-08-19 6:50 syzbot
2026-08-19 8:01 ` Forwarded: #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bd5f485f3f026225b86573e559af0b7254ef4184 syzbot
2026-08-19 10:56 ` syzbot
0 siblings, 2 replies; 5+ messages in thread
From: syzbot @ 2026-08-19 6:50 UTC (permalink / raw)
To: linux-input, linux-kernel, linux-usb, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 2f1baf1fc892 Merge tag 'trace-v7.2-rc7' of git://git.kerne..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14e2ca25580000
kernel config: https://syzkaller.appspot.com/x/.config?x=11ad91fcc8fa7933
dashboard link: https://syzkaller.appspot.com/bug?extid=e2c057ea576d2644e2be
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c6a949580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f43279580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/3bba3e686406/disk-2f1baf1f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/b8b74261d93c/vmlinux-2f1baf1f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/952847c3fd89/bzImage-2f1baf1f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e2c057ea576d2644e2be@syzkaller.appspotmail.com
BUG: memory leak
unreferenced object 0xffff8881279df600 (size 16):
comm "syz.5.22", pid 6103, jiffies 4294942311
hex dump (first 16 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 0):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4597 [inline]
slab_alloc_node mm/slub.c:4917 [inline]
__do_kmalloc_node mm/slub.c:5333 [inline]
__kmalloc_noprof+0x3bf/0x550 mm/slub.c:5359
__usbhid_submit_report+0x362/0x4c0 drivers/hid/usbhid/hid-core.c:541
usbhid_submit_report drivers/hid/usbhid/hid-core.c:640 [inline]
usbhid_request+0x5b/0xa0 drivers/hid/usbhid/hid-core.c:1303
hid_hw_request+0x3c/0x70 drivers/hid/hid-core.c:2521
hiddev_ioctl+0x33e/0x9d0 drivers/hid/usbhid/hiddev.c:726
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+0xf4/0x140 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF
---
This report is generated by a bot. It may contain errors.
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^ permalink raw reply [flat|nested] 5+ messages in thread[parent not found: <19af6636-a83f-4ef9-abb2-04be5985ade5@yandex.ru>]
[parent not found: <33bc35d0-14b3-4a29-b7d2-bc436afff851@yandex.ru>]
end of thread, other threads:[~2026-08-19 11:22 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2026-08-19 6:50 [syzbot] [input?] [usb?] memory leak in __usbhid_submit_report (2) syzbot
2026-08-19 8:01 ` Forwarded: #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bd5f485f3f026225b86573e559af0b7254ef4184 syzbot
2026-08-19 10:56 ` syzbot
[not found] <19af6636-a83f-4ef9-abb2-04be5985ade5@yandex.ru>
2026-08-19 9:06 ` [syzbot] [input?] [usb?] memory leak in __usbhid_submit_report (2) syzbot
[not found] <33bc35d0-14b3-4a29-b7d2-bc436afff851@yandex.ru>
2026-08-19 11:22 ` syzbot
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