Hello, syzbot found the following issue on: HEAD commit: a788e53c05ae usb: usb-acpi: Fix oops due to freeing uninit.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=1324bffa180000 kernel config: https://syzkaller.appspot.com/x/.config?x=dd8c589043bc2b49 dashboard link: https://syzkaller.appspot.com/bug?extid=93cbd5fbb85814306ba1 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11c95c6e180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1734b9f1180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/070d17d2f510/disk-a788e53c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/13f35a4bb3f0/vmlinux-a788e53c.xz kernel image: https://storage.googleapis.com/syzbot-assets/6825f1cdc918/bzImage-a788e53c.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+93cbd5fbb85814306ba1@xxxxxxxxxxxxxxxxxxxxxxxxx usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 ath9k_htc 1-1:1.0: ath9k_htc: HTC initialized with 33 credits ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51 index 255 is out of range for type 'htc_endpoint [22]' CPU: 1 PID: 2494 Comm: kworker/1:2 Not tainted 6.8.0-rc6-syzkaller-00190-ga788e53c05ae #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events request_firmware_work_func Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0x111/0x150 lib/ubsan.c:347 htc_issue_send.constprop.0+0x209/0x230 drivers/net/wireless/ath/ath9k/htc_hst.c:26 ath9k_wmi_cmd_issue drivers/net/wireless/ath/ath9k/wmi.c:305 [inline] ath9k_wmi_cmd+0x424/0x630 drivers/net/wireless/ath/ath9k/wmi.c:342 ath9k_regread+0xdb/0x160 drivers/net/wireless/ath/ath9k/htc_drv_init.c:242 ath9k_hw_read_revisions drivers/net/wireless/ath/ath9k/hw.c:287 [inline] __ath9k_hw_init drivers/net/wireless/ath/ath9k/hw.c:572 [inline] ath9k_hw_init+0xf02/0x2b30 drivers/net/wireless/ath/ath9k/hw.c:700 ath9k_init_priv drivers/net/wireless/ath/ath9k/htc_drv_init.c:662 [inline] ath9k_init_device drivers/net/wireless/ath/ath9k/htc_drv_init.c:839 [inline] ath9k_htc_probe_device+0xb37/0x25f0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:963 ath9k_htc_hw_init+0x33/0x70 drivers/net/wireless/ath/ath9k/htc_hst.c:529 ath9k_hif_usb_firmware_cb+0x272/0x620 drivers/net/wireless/ath/ath9k/hif_usb.c:1273 request_firmware_work_func+0x13a/0x240 drivers/base/firmware_loader/main.c:1163 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243 </TASK> ---[ end trace ]--- --- 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
