Hello, syzbot found the following issue on: HEAD commit: b0a8b5053e8b kmsan: core: add dependency on DEBUG_KERNEL git tree: https://github.com/google/kmsan.git master console output: https://syzkaller.appspot.com/x/log.txt?x=159cf693b00000 kernel config: https://syzkaller.appspot.com/x/.config?x=46a956fc7a887c60 dashboard link: https://syzkaller.appspot.com/bug?extid=6ca9f7867b77c2d316ac compiler: clang version 14.0.0 (/usr/local/google/src/llvm-git-monorepo 2b554920f11c8b763cd9ed9003f4e19b919b8e1f), GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14413193b00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=127716a3b00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6ca9f7867b77c2d316ac@xxxxxxxxxxxxxxxxxxxxxxxxx asix 1-1:0.0 eth1: Failed to read reg index 0x0000: -32 asix 1-1:0.0 eth1: Failed to read reg index 0x0000: -32 ===================================================== BUG: KMSAN: uninit-value in ax88178_reset+0xfd2/0x1590 drivers/net/usb/asix_devices.c:946 drivers/net/usb/asix_devices.c:946 ax88178_reset+0xfd2/0x1590 drivers/net/usb/asix_devices.c:946 drivers/net/usb/asix_devices.c:946 usbnet_open+0x16d/0x1940 drivers/net/usb/usbnet.c:894 drivers/net/usb/usbnet.c:894 __dev_open+0x920/0xb90 net/core/dev.c:1490 net/core/dev.c:1490 __dev_change_flags+0x4da/0xd40 net/core/dev.c:8796 net/core/dev.c:8796 dev_change_flags+0xf5/0x280 net/core/dev.c:8867 net/core/dev.c:8867 devinet_ioctl+0xfc1/0x3060 net/ipv4/devinet.c:1144 net/ipv4/devinet.c:1144 inet_ioctl+0x59f/0x820 net/ipv4/af_inet.c:969 net/ipv4/af_inet.c:969 sock_do_ioctl net/socket.c:1118 [inline] sock_do_ioctl net/socket.c:1118 [inline] net/socket.c:1235 sock_ioctl+0xa3f/0x13d0 net/socket.c:1235 net/socket.c:1235 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] vfs_ioctl fs/ioctl.c:51 [inline] fs/ioctl.c:860 __do_sys_ioctl fs/ioctl.c:874 [inline] fs/ioctl.c:860 __se_sys_ioctl+0x2df/0x4a0 fs/ioctl.c:860 fs/ioctl.c:860 __x64_sys_ioctl+0xd8/0x110 fs/ioctl.c:860 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_x64 arch/x86/entry/common.c:51 [inline] arch/x86/entry/common.c:82 do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae Local variable status created at: ax88178_reset+0x69/0x1590 usbnet_open+0x16d/0x1940 drivers/net/usb/usbnet.c:894 drivers/net/usb/usbnet.c:894 CPU: 1 PID: 3057 Comm: dhcpcd Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ===================================================== --- 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
