Hello, syzbot found the following issue on: HEAD commit: 944070199c5e kmsan: add memsetXX tests git tree: https://github.com/google/kmsan.git master console+strace: https://syzkaller.appspot.com/x/log.txt?x=172481f2c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=46c642641b9ef616 dashboard link: https://syzkaller.appspot.com/bug?extid=df61b36319e045c00a08 compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15055432c80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1010b19cc80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/055bbd57e905/disk-94407019.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/82472690bcfe/vmlinux-94407019.xz kernel image: https://storage.googleapis.com/syzbot-assets/db3f379532ab/bzImage-94407019.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+df61b36319e045c00a08@xxxxxxxxxxxxxxxxxxxxxxxxx ath9k_htc 6-1:1.0: ath9k_htc: HTC initialized with 33 credits ===================================================== BUG: KMSAN: uninit-value in ath9k_hw_read_revisions drivers/net/wireless/ath/ath9k/hw.c:289 [inline] BUG: KMSAN: uninit-value in __ath9k_hw_init drivers/net/wireless/ath/ath9k/hw.c:572 [inline] BUG: KMSAN: uninit-value in ath9k_hw_init+0x11e0/0x2d60 drivers/net/wireless/ath/ath9k/hw.c:700 ath9k_hw_read_revisions drivers/net/wireless/ath/ath9k/hw.c:289 [inline] __ath9k_hw_init drivers/net/wireless/ath/ath9k/hw.c:572 [inline] ath9k_hw_init+0x11e0/0x2d60 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+0xf48/0x3b60 drivers/net/wireless/ath/ath9k/htc_drv_init.c:963 ath9k_htc_hw_init+0x4f/0x100 drivers/net/wireless/ath/ath9k/htc_hst.c:521 ath9k_hif_usb_firmware_cb+0x2eb/0x800 drivers/net/wireless/ath/ath9k/hif_usb.c:1243 request_firmware_work_func+0x130/0x240 drivers/base/firmware_loader/main.c:1107 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2289 worker_thread+0x107b/0x1d60 kernel/workqueue.c:2436 kthread+0x31f/0x430 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Local variable val created at: ath9k_regread+0x62/0x1b0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:239 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+0x5be/0x2d60 drivers/net/wireless/ath/ath9k/hw.c:700 CPU: 0 PID: 115 Comm: kworker/0:2 Not tainted 6.2.0-syzkaller-81157-g944070199c5e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: events request_firmware_work_func ===================================================== --- 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
