Hello, syzbot found the following issue on: HEAD commit: 18daea77cca6 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=159f1f17180000 kernel config: https://syzkaller.appspot.com/x/.config?x=d2f00edef461175 dashboard link: https://syzkaller.appspot.com/bug?extid=5186630949e3c55f0799 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13deb917180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1035ae87180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/4614372cf68b/disk-18daea77.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e118db95ea43/vmlinux-18daea77.xz kernel image: https://storage.googleapis.com/syzbot-assets/998cf091eeb5/bzImage-18daea77.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5186630949e3c55f0799@xxxxxxxxxxxxxxxxxxxxxxxxx keytouch 0003:0926:3333.0001: implement() called with too large value 8 (n: 1)! (kworker/0:0) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7 at drivers/hid/hid-core.c:1451 implement drivers/hid/hid-core.c:1451 [inline] WARNING: CPU: 0 PID: 7 at drivers/hid/hid-core.c:1451 hid_output_report+0x548/0x760 drivers/hid/hid-core.c:1863 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events hidinput_led_worker RIP: 0010:implement drivers/hid/hid-core.c:1451 [inline] RIP: 0010:hid_output_report+0x548/0x760 drivers/hid/hid-core.c:1863 Code: a8 08 00 00 48 8b 44 24 40 48 8d b8 38 19 00 00 48 c7 c6 40 f7 aa 8c 48 c7 c2 c9 10 c9 8d 44 89 f1 45 89 e8 e8 99 e3 ca 02 90 <0f> 0b 90 44 23 74 24 18 e9 b7 fd ff ff 89 d9 80 e1 07 80 c1 03 38 RSP: 0018:ffffc900000c7a90 EFLAGS: 00010046 RAX: 65120fbe4e3ed400 RBX: 0000000000000001 RCX: 65120fbe4e3ed400 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8176b74c R09: 1ffff92000018ea8 R10: dffffc0000000000 R11: fffff52000018ea9 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000008 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000066c7e0 CR3: 00000000234e6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __usbhid_submit_report drivers/hid/usbhid/hid-core.c:591 [inline] usbhid_submit_report+0x43d/0x9e0 drivers/hid/usbhid/hid-core.c:636 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> --- 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@xxxxxxxxxxxxxxxx. 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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
