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5.2.0 commit 2f55990
VEXPRESS_A9
GCC
Log output fails due to serial device busy or buffer overflow.
1.Build RT-Thread 2.Use the following command to start the kernel with QEMU:
qemu-system-arm \ -M vexpress-a9 \ -smp 2 \ -m 4096M \ -kernel /path/to/rt-thread/bsp/qemu-vexpress-a9/rtthread.bin \ -drive if=sd,file=/path/to/rt-thread/bsp/qemu-vexpress-a9/sd.bin,format=raw \ -nographic \ -semihosting \
/root/rtthread/rt-thread/components/drivers/core/device.c : 396
if (dev->ref_count == 0) { rt_set_errno(-RT_ERROR); return 0; } /* call device_write interface */ if (device_write != RT_NULL) { return device_write(dev, pos, buffer, size); // 396 } /* set error code */ rt_set_errno(-RT_ENOSYS);
syz_create_bind_socket (0xbc78, 0x0, 0x101, 0x0)
long syz_create_bind_socket(volatile long domain, volatile long type, volatile long protocol, volatile long sockaddr_ptr) { int sock = socket((int)domain, (int)type, (int)protocol); if (sock < 0) { return -1; } struct sockaddr_in addr; if (sockaddr_ptr != 0) { memcpy(&addr, (struct sockaddr_in *)sockaddr_ptr, sizeof(struct sockaddr_in)); } else { memset(&addr, 0, sizeof(struct sockaddr_in)); addr.sin_family = AF_INET; addr.sin_port = htons(12345); addr.sin_addr.s_addr = htonl(INADDR_ANY); } if (bind(sock, (struct sockaddr *)&addr, sizeof(struct sockaddr_in)) < 0) { closesocket(sock); return -2; } return (long)sock; }
#executing syz_create_bind_socket (0xbc78, 0x0, 0x101, 0x0) 2024/09/04 09:02:55 Syscall execution is ok 2024/09/04 09:02:56 qemu run inst merger err: execution timed out 2024/09/04 09:02:56 Received stop signal, requires feedback = true 2024/09/04 09:02:56 running diagnose 2024/09/04 09:02:56 VM-0 failed reading regs: dial tcp 127.0.0.1:14695: connect: connection refused 2024/09/04 09:02:56 VM-0 failed reading regs: dial tcp 127.0.0.1:14695: connect: connection refused 2024/09/04 09:02:56 Stack frames at BUG: unexpected stop: 2024/09/04 09:02:56 Level: 0: 1611238748, /root/kcov.c : __sanitizer_cov_trace_pc : 71 : 2024/09/04 09:02:56 Level: 1: 1611348476, /root/rtthread/rt-thread/components/drivers/serial/serial.c : rt_serial_write : 917 : 2024/09/04 09:02:56 Level: 2: 1611243408, /root/rtthread/rt-thread/components/drivers/core/device.c : rt_device_write : 396 : 2024/09/04 09:02:56 Level: 3: 1611466872, /root/rtthread/rt-thread/src/kservice.c : _kputs : 298 : 2024/09/04 09:02:56 Level: 4: 1611467092, /root/rtthread/rt-thread/src/kservice.c : rt_kprintf : 349 : 2024/09/04 09:02:56 Level: 5: 1611175348, /root/rtthread/rt-thread/components/net/sal/src/sal_socket.c : sal_socket : 1059 : 2024/09/04 09:02:56 Level: 6: 1611165780, /root/rtthread/rt-thread/components/net/sal/socket/net_sockets.c : socket : 244 : 2024/09/04 09:02:56 Level: 7: 1611220832, /root/rtthread/rt-thread/bsp/qemu-vexpress-a9/applications/common_freertos.h : syz_create_bind_socket : 896 :
I would greatly appreciate it if you could kindly inform me of any mistakes in the previous issues.
No response
The text was updated successfully, but these errors were encountered:
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RT-Thread Version
5.2.0 commit 2f55990
Hardware Type/Architectures
VEXPRESS_A9
Develop Toolchain
GCC
Describe the bug
Log output fails due to serial device busy or buffer overflow.
Steps to reproduce
1.Build RT-Thread
2.Use the following command to start the kernel with QEMU:
Source code location
/root/rtthread/rt-thread/components/drivers/core/device.c : 396
Test case
syz_create_bind_socket (0xbc78, 0x0, 0x101, 0x0)
Backtrace upon hitting the bug
I would greatly appreciate it if you could kindly inform me of any mistakes in the previous issues.
Other additional context
No response
The text was updated successfully, but these errors were encountered: