• 2023-09-25printk格式错误出panic
    检查dmesg的时候发现有这么个panic,但是设备没有重启:[1691135418.681314]cpu-0(014C64B3:1635):ffff8000205d1e4b:3C0108001851AC04000118FF6BF08100*<....Q......k...*[1691135418.681317]cpu-0(014C64B3:1635):ffff8000205d1e5b:E7E7504E4700A9FB86F50001020
  • 2023-09-25全局数组未加锁访问溢出导致才内存
    在客户那里发现有些数据包被错误的转到了standbySMM上,后面查看proc发现是knet.ko中的role字段被踩后面再检查发现有三个字段都被踩:zyc@fishsmm_arm64(/≧▽≦)/~/do_not_remove/aarch64-marvell-linux-gnu-nmlinux-casa-knet.ko|grepsmm_role0000000006925110B
  • 2023-09-25访问空指针出panic
    panic信息:<4>[1670581299]15:Failedonwritei2cdev=23(I2CDEV_RFSW0)<4>[1670581299]15:txretryfailed<4>[1670581299]15:Failedonwritei2cdev=23(I2CDEV_RFSW0)<1>[1670595592]4:CPU4Unabletohandlekernelpagingrequestatvir