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‎_sidebar.md‎

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* [2025-3-29](./docs/日报/2025-3-29.md)
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* [2025-3-30](./docs/日报/2025-3-30.md)
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* [2025-3-31](./docs/日报/2025-3-31.md)
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* [2025-4-1](./docs/日报/2025-4-1.md)
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* [2025-4-2](./docs/日报/2025-4-2.md)
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* [2025-4-3](./docs/日报/2025-4-3.md)
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* [2025-4-5](./docs/日报/2025-4-5.md)
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* [2025-4-6](./docs/日报/2025-4-6.md)
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‎docs/日报/2025-4-1.md‎

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# 在排行榜中通过部分libctest测例
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从basic到libctest的修改：
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1. 更新arceos
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2. 在axhal/src/arch/aarch64/context.rs和axhal/src/arch/x86_64/context.rs中添加set_tls函数(最新的arceos应该已经支持了)
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3. 简单实现gettid, prlimit64等必要的syscall
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4. 在main.rs中加入运行libctest的代码，注意测例的结果要在START和END提示信息中间
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5. 在makefile中添加设置libctest测例列表的环境变量
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6. 在apps/oscomp中添加测例列表

‎docs/日报/2025-4-2.md‎

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# 协作试编写starry-next的组件文档与宏内核快速构建文档

‎docs/日报/2025-4-3.md‎

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# 增加libctest的测例，对未通过的测例进行分析
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musl entry-static.exe fdopen lseek 移动文件指针
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musl entry-static.exe fscanf lseek
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musl entry-static.exe fwscanf unknown
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musl entry-static.exe pthread_cancel_points points 0/1 futex
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musl entry-static.exe pthread_cancel points 0/1 futex
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musl entry-static.exe pthread_cond points 0/1 futex
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musl entry-static.exe pthread_tsd points 0/1 futex
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musl entry-static.exe setjmp points 0/1 src/functional/setjmp.c:62: sigismember(&set2, SIGUSR1)==1 failed: siglongjmp incorrectly restored mask
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musl entry-static.exe socket points 0/1
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musl entry-static.exe sscanf points 0/1 ioctl
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musl entry-static.exe sscanf_long points 0/1
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musl entry-static.exe stat points 0/1 ioctl
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musl entry-static.exe ungetc points 0/1 ioctl
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musl entry-static.exe utime points 0/1 utimesetat
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musl entry-static.exe lseek_large points 0/1 ioctl
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musl entry-static.exe pthread_robust_detach points 0/1 futex
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musl entry-static.exe pthread_cancel_sem_wait points 0/1 futex
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musl entry-static.exe pthread_cond_smasher points 0/1 futex
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musl entry-static.exe pthread_condattr_setclock points 0/1 futex
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musl entry-static.exe pthread_exit_cancel points 0/1 futex
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musl entry-static.exe pthread_once_deadlock points 0/1 futex
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musl entry-static.exe pthread_rwlock_ebusy points 0/1 futex
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musl entry-static.exe rewind_clear_error points 0/1 unknown
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musl entry-static.exe rlimit_open_files points 0/1 dup无限增长->prlimit64?
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musl entry-static.exe setvbuf_unget points 0/1 lseek
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musl entry-static.exe statvfs points 0/1 statfs
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/musl/runtest.exe -w entry-static.exe fflush_exit pread64
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/musl/runtest.exe -w entry-static.exe daemon_failure dup无限增长->prlimit64?
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/musl/runtest.exe -w entry-static.exe fgetwc_buffering
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![alt text](image-14.png)
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/musl/runtest.exe -w entry-static.exe ftello_unflushed_append kill
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## rlimit_open_files
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简单使用strace无法通过，应该是用到了文件系统的原因，需要进一步分析。
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```shell
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34142 set_tid_address(0x1d238) = 34142
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34142 rt_sigprocmask(SIG_BLOCK,0x00002aaaab2aa580,NULL,8) = 0
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34142 rt_sigprocmask(SIG_UNBLOCK,0x00002aaaab2aa3c0,NULL,8) = 0
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34142 rt_sigaction(SIGCHLD,0x00002aaaab2aa3a0,0x00002aaaab2aa3c0) = 0
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34142 write(1,0xab2aa310,63)========== START entry-static.exe rlimit_open_files ==========
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= 63
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34142 rt_sigprocmask(SIG_BLOCK,0x000000000001d160,0x00002aaaab2aa4d0,8) = 0
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34142 clone(0x11,child_stack=0x0000000000000000,parent_tidptr=0x00002aaaab2aa4d0,tls=0x0000000000000008,child_tidptr=0x0000000000000000) = 34144
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= 0
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34142 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2aa4d0,NULL,8) = 0
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34144 gettid() = 34144
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34142 rt_sigtimedwait(46912504505728,0,46912504505712,8,0,0)34144 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2aa4d0,NULL,8) = 0
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34144 prlimit64(0,RLIMIT_STACK,NULL,0x00002aaaab2aa530) = 0 ({rlim_cur=8388608,rlim_max=-1})
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34144 rt_sigprocmask(SIG_BLOCK,0x000000000001d168,0x00002aaaab2aa398,8) = 0
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34144 rt_sigprocmask(SIG_BLOCK,0x000000000001d160,NULL,8) = 0
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34144 prlimit64(0,RLIMIT_STACK,{rlim_cur=102400,rlim_max=102400},NULL) = 0
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34144 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2aa398,NULL,8) = 0
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34144 execve("entry-static.exe",{"entry-static.exe","rlimit_open_files","ls",NULL}) = -1 errno=8 (Exec format error)
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34144 write(1,0xab2aa310,73)src/common/runtest.c:29: entry-static.exe exec failed: Exec format error
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= 73
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34144 exit_group(1)
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= 17
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34142 wait4(34144,0x2aaaab2aa570,0,(nil)) = 34144
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34142 write(1,0xab2aa310,34)FAIL rlimit_open_files [status 1]
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= 34
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34142 write(1,0xab2aa310,61)========== END entry-static.exe rlimit_open_files ==========
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= 61
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34142 exit_group(1)
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```
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```shell
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execve("./runtest.exe", ["./runtest.exe", "entry-static.exe", "rlimit_open_files", "ls"], 0x7ffdc60a2e60 /* 15 vars */) = 0
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arch_prctl(ARCH_SET_FS, 0x60a8d8) = 0
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set_tid_address(0x60aa10) = 39496
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rt_sigprocmask(SIG_BLOCK, [CHLD], NULL, 8) = 0
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rt_sigprocmask(SIG_UNBLOCK, [RT_1 RT_2], NULL, 8) = 0
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rt_sigaction(SIGCHLD, {sa_handler=0x40060d, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x404fea}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
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========== START entry-static.exe ==========
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rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1 RT_2], [CHLD], 8) = 0
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rt_sigprocmask(SIG_BLOCK, ~[], ~[KILL STOP RTMIN RT_1 RT_2], 8) = 0
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fork(strace: Process 39497 attached
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) = 39497
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[pid 39497] gettid( <unfinished ...>
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[pid 39496] rt_sigprocmask(SIG_SETMASK, ~[KILL STOP RTMIN RT_1 RT_2], <unfinished ...>
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[pid 39497] <... gettid resumed>) = 39497
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[pid 39496] <... rt_sigprocmask resumed>NULL, 8) = 0
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[pid 39496] rt_sigprocmask(SIG_SETMASK, [CHLD], <unfinished ...>
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[pid 39497] rt_sigprocmask(SIG_SETMASK, ~[KILL STOP RTMIN RT_1 RT_2], <unfinished ...>
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[pid 39496] <... rt_sigprocmask resumed>NULL, 8) = 0
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[pid 39497] <... rt_sigprocmask resumed>NULL, 8) = 0
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[pid 39496] rt_sigtimedwait([CHLD], NULL, {tv_sec=5, tv_nsec=0}, 8 <unfinished ...>
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[pid 39497] rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0
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[pid 39497] prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
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[pid 39497] prlimit64(0, RLIMIT_STACK, {rlim_cur=100*1024, rlim_max=100*1024}, NULL) = 0
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[pid 39497] execve("entry-static.exe", ["entry-static.exe", "rlimit_open_files", "ls"], 0x7ffd14c34100 /* 15 vars */) = 0
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[pid 39497] arch_prctl(ARCH_SET_FS, 0x68ab70) = 0
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[pid 39497] set_tid_address(0x68ac90) = 39497
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[pid 39497] exit_group(-1) = ?
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[pid 39497] +++ exited with 255 +++
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<... rt_sigtimedwait resumed>) = 17 (SIGCHLD)
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wait4(39497, [{WIFEXITED(s) && WEXITSTATUS(s) == 255}], 0, NULL) = 39497
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FAIL entry-static.exe [status 255]
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========== END entry-static.exe ==========
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exit_group(1) = ?
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+++ exited with 1 +++
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```
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![alt text](image-15.png)

‎docs/日报/2025-4-5.md‎

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## 通过rlimit_open_files测例
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此次本想仿照starry-old编写fd_manager，但由于中途发现工作量过大，且与arceos有一定重合，因而采用比较取巧的方式
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1. 为taskext添加文件数量限制，初始化为AX_FILE_LIMIT（1024），和arceos保持一致
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2. 修改sys_dup当返回的fd大于限制时，close该fd，返回错误码
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![alt text](image-16.png)
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## 实现sysinfo
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sysinfo函数用于获取系统信息，包括系统名称、节点名称、发行版本、版本号、机器ID和处理器类型。

‎docs/日报/2025-4-6.md‎

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## daemon_failure测例
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初始情况
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```shell
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========== START entry-static.exe daemon_failure ==========
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[ 5.077741 0:10 starry::syscall_imp:193] Syscall write return 60
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[ 5.082398 0:10 starry::syscall_imp:57] Syscall rt_sigprocmask
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[ 5.086467 0:10 starry::syscall_imp::signal:13] sys_rt_sigprocmask: not implemented
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[ 5.090697 0:10 starry::syscall_imp:193] Syscall rt_sigprocmask return 0
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[ 5.095741 0:10 starry::syscall_imp:57] Syscall clone
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[ 5.150826 0:10 starry::syscall_imp:193] Syscall clone return 11
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[ 5.156002 0:10 starry::syscall_imp:57] Syscall rt_sigprocmask
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[ 5.160328 0:10 starry::syscall_imp::signal:13] sys_rt_sigprocmask: not implemented
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[ 5.158070 1:11 starry::task:99] Enter user space: entry=0x1326c, ustack=0x3fffffcc0, kstack=VA:0xffffffc080c10070
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[ 5.167447 0:10 starry::syscall_imp:193] Syscall rt_sigprocmask return 0
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[ 5.179796 1:11 starry::syscall_imp:57] Syscall gettid
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[ 5.185995 0:10 starry::syscall_imp:57] Syscall rt_sigtimedwait
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[ 5.189692 1:11 starry::syscall_imp:193] Syscall gettid return 11
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[ 5.195464 0:10 starry::syscall_imp::signal:33] sys_rt_sigaction: not implemented
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[ 5.202598 1:11 starry::syscall_imp:57] Syscall rt_sigprocmask
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[ 5.207858 0:10 starry::syscall_imp:193] Syscall rt_sigtimedwait return 0
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[ 5.214361 1:11 starry::syscall_imp::signal:13] sys_rt_sigprocmask: not implemented
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[ 5.224031 0:10 starry::syscall_imp:57] Syscall wait4
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[ 5.229438 1:11 starry::syscall_imp:193] Syscall rt_sigprocmask return 0
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[ 5.243623 1:11 starry::syscall_imp:57] Syscall prlimit64
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[ 5.248041 1:11 starry::syscall_imp::task::thread:223] sys_prlimit64 pid: 0, resource: 3
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[ 5.254630 1:11 starry::syscall_imp::task::thread:239] RLIMIT_STACK
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[ 5.258764 1:11 starry::syscall_imp::task::thread:247] RLIMIT_STACK: old_limit as usize != 0
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[ 5.264587 1:11 starry::syscall_imp::task::thread:264] RLIMIT_STACK: 65536
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[ 5.270334 1:11 starry::syscall_imp:193] Syscall prlimit64 return 0
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[ 5.275926 1:11 starry::syscall_imp:57] Syscall execve
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[ 5.290642 1:11 starry::syscall_imp::task::thread:199] execve: path: "entry-static.exe", args: ["entry-static.exe", "daemon_failure"], envs: []
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[ 5.330509 1:11 axfs::fs::lwext4_rust:91] dealt with full path: /musl/entry-static.exe
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[ 5.373135 1:11 axfs::fs::lwext4_rust:62] FileWrapper new EXT4_DE_REG_FILE /musl/entry-static.exe
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[ 5.391203 1:11 axfs::fs::lwext4_rust:132] get_attr of File "/musl/entry-static.exe", size: 576936, blocks: 1127
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[ 5.403782 1:11 axfs::fs::lwext4_rust:132] get_attr of File "/musl/entry-static.exe", size: 576936, blocks: 1127
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[ 5.412913 1:11 axfs::fs::lwext4_rust:132] get_attr of File "/musl/entry-static.exe", size: 576936, blocks: 1127
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[ 5.689501 1:11 starry::syscall_imp:57] Syscall set_tid_address
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[ 5.692956 1:11 starry::syscall_imp:193] Syscall set_tid_address return 11
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[ 5.701009 1:11 starry::syscall_imp:57] Syscall pipe2
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[ 5.709320 1:11 starry::syscall_imp:193] Syscall pipe2 return 0
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[ 5.714331 1:11 starry::syscall_imp:57] Syscall dup
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[ 5.718124 1:11 starry::syscall_imp:193] Syscall dup return 5
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[ 5.723099 1:11 starry::syscall_imp:57] Syscall rt_sigprocmask
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[ 5.727535 1:11 starry::syscall_imp::signal:13] sys_rt_sigprocmask: not implemented
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[ 5.731536 1:11 starry::syscall_imp:193] Syscall rt_sigprocmask return 0
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[ 5.736622 1:11 starry::syscall_imp:57] Syscall clone
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[ 5.755780 1:11 starry::syscall_imp:193] Syscall clone return 12
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[ 5.760119 1:11 starry::syscall_imp:57] Syscall rt_sigprocmask
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[ 5.762763 2:12 starry::task:99] Enter user space: entry=0x2ec5c, ustack=0x3fffffd70, kstack=VA:0xffffffc080c50090
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[ 5.764253 1:11 starry::syscall_imp::signal:13] sys_rt_sigprocmask: not implemented
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[ 5.774865 2:12 starry::syscall_imp:57] Syscall gettid
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[ 5.779675 1:11 starry::syscall_imp:193] Syscall rt_sigprocmask return 0
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[ 5.785771 2:12 starry::syscall_imp:193] Syscall gettid return 12
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[ 5.796509 1:11 starry::syscall_imp:57] Syscall close
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[ 5.799897 2:12 starry::syscall_imp:57] Syscall rt_sigprocmask
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[ 5.806638 1:11 starry::syscall_imp:193] Syscall close return 0
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[ 5.808719 2:12 starry::syscall_imp::signal:13] sys_rt_sigprocmask: not implemented
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[ 5.817129 1:11 starry::syscall_imp:57] Syscall wait4
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[ 5.821787 2:12 starry::syscall_imp:193] Syscall rt_sigprocmask return 0
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[ 5.835538 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.838924 2:12 starry::syscall_imp:193] Syscall dup return 6
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[ 5.844470 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.847785 2:12 starry::syscall_imp:193] Syscall dup return 7
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[ 5.851559 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.855426 2:12 starry::syscall_imp:193] Syscall dup return 8
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[ 5.859556 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.864315 2:12 starry::syscall_imp:193] Syscall dup return 9
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[ 5.868820 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.871807 2:12 starry::syscall_imp:193] Syscall dup return 10
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[ 5.876074 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.880174 2:12 starry::syscall_imp:193] Syscall dup return 11
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[ 5.884876 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.888240 2:12 starry::syscall_imp:193] Syscall dup return 12
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[ 5.891825 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.895525 2:12 starry::syscall_imp:193] Syscall dup return 13
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[ 5.900034 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.903874 2:12 starry::syscall_imp:193] Syscall dup return 14
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[ 5.907881 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.910972 2:12 starry::syscall_imp:193] Syscall dup return 15
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[ 5.915477 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.919111 2:12 starry::syscall_imp:193] Syscall dup return 16
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[ 5.922875 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.926350 2:12 starry::syscall_imp:193] Syscall dup return 17
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[ 5.930603 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.934539 2:12 starry::syscall_imp:193] Syscall dup return 18
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[ 5.939326 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.952992 2:12 starry::syscall_imp:193] Syscall dup return 19
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[ 5.957710 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.961453 2:12 starry::syscall_imp:193] Syscall dup return 20
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[ 5.972175 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.974956 2:12 starry::syscall_imp:193] Syscall dup return 21
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[ 5.977689 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.981036 2:12 starry::syscall_imp:193] Syscall dup return 22
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[ 5.984449 2:12 starry::syscall_imp:57] Syscall dup
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[ 5.986876 2:12 starry::syscall_imp:193] Syscall dup return 23
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[ 6.001782 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.005989 2:12 starry::syscall_imp:193] Syscall dup return 24
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[ 6.018720 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.022861 2:12 starry::syscall_imp:193] Syscall dup return 25
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[ 6.026467 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.031798 2:12 starry::syscall_imp:193] Syscall dup return 26
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[ 6.039368 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.042750 2:12 starry::syscall_imp:193] Syscall dup return 27
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[ 6.046535 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.050987 2:12 starry::syscall_imp:193] Syscall dup return 28
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[ 6.055997 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.059606 2:12 starry::syscall_imp:193] Syscall dup return 29
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[ 6.064249 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.067523 2:12 starry::syscall_imp:193] Syscall dup return 30
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[ 6.072424 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.076507 2:12 starry::syscall_imp:193] Syscall dup return 31
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[ 6.080750 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.083908 2:12 starry::syscall_imp:193] Syscall dup return 32
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[ 6.087438 2:12 starry::syscall_imp:57] Syscall dup
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[ 6.091865 2:12 starry::syscall_imp:193] Syscall dup return 33
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[ 19.425728 2:12 starry::syscall_imp:57] Syscall dup
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[ 19.431990 2:12 starry::syscall_imp:193] Syscall dup return 1021
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[ 19.440077 2:12 starry::syscall_imp:57] Syscall dup
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[ 19.447876 2:12 starry::syscall_imp:193] Syscall dup return 1022
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[ 19.456481 2:12 starry::syscall_imp:57] Syscall dup
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[ 19.462655 2:12 starry::syscall_imp:193] Syscall dup return 1023
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[ 19.471774 2:12 starry::syscall_imp:57] Syscall dup
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[ 19.479939 2:12 arceos_posix_api::imp::fd_ops:83] sys_dup => Err(EMFILE)
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[ 19.494421 2:12 starry::syscall_imp:193] Syscall dup return -24
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[ 19.503132 2:12 starry::syscall_imp:57] Syscall getpid
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[ 19.510997 2:12 starry::syscall_imp:193] Syscall getpid return 12
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[ 19.520535 2:12 starry::syscall_imp:57] Syscall chdir
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[ 19.542304 2:12 starry::syscall_imp:193] Syscall chdir return 0
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[ 19.554370 2:12 starry::syscall_imp:57] Syscall openat
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[ 19.588572 2:12 arceos_posix_api::imp::fs:131] sys_open => Err(EMFILE)
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[ 19.598135 2:12 starry::syscall_imp:193] Syscall openat return -24
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[ 19.608286 2:12 starry::syscall_imp:57] Syscall dup3
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[ 19.618469 2:12 arceos_posix_api::imp::fd_ops:91] sys_dup2 => Err(EMFILE)
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[ 19.629106 2:12 starry::syscall_imp:193] Syscall dup3 return -24
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[ 19.638493 2:12 starry::syscall_imp:57] Syscall write
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ERROR:
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[ 19.647597 2:12 starry::syscall_imp:193] Syscall write return 7
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[ 19.693123 2:12 starry::syscall_imp:57] Syscall write
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src/regression/daemon-failure.c:47: failed to dup pipe fd for communicating results: No file descriptors available
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[ 19.707195 2:12 starry::syscall_imp:193] Syscall write return 115
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[ 19.716969 2:12 starry::syscall_imp:57] Syscall getpid
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[ 19.723165 2:12 starry::syscall_imp:193] Syscall getpid return 12
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[ 19.731547 2:12 starry::syscall_imp:57] Syscall getppid
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[ 19.739364 2:12 starry::syscall_imp:193] Syscall getppid return 1
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[ 19.747886 2:12 starry::syscall_imp:57] Syscall getppid
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[ 19.755052 2:12 starry::syscall_imp:193] Syscall getppid return 1
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[ 19.762628 2:12 starry::syscall_imp:57] Syscall getpid
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[ 19.769678 2:12 starry::syscall_imp:193] Syscall getpid return 12
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[ 19.781738 2:12 starry::syscall_imp:57] Syscall write
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src/regression/daemon-failure.c:54: daemon forked despite failure: ppid is 1, pid is 12, old pid is 12
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[ 19.796658 2:12 starry::syscall_imp:193] Syscall write return 103
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[ 19.806185 2:12 starry::syscall_imp:57] Syscall write
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[ 19.814260 2:12 starry::syscall_imp:193] Syscall write return 1
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[ 19.829226 2:12 starry::syscall_imp:57] Syscall exit_group
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[ 19.837120 2:12 starry::syscall_imp::task::thread:62] Temporarily replace sys_exit_group with sys_exit
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[ 19.859833 3:11 starry::task:347] wait pid _12_ with code _1_
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[ 19.871395 3:11 starry::syscall_imp:193] Syscall wait4 return 12
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[ 19.903871 3:11 starry::syscall_imp:57] Syscall write
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src/regression/daemon-failure.c:66: child exited with 1
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[ 19.913167 3:11 starry::syscall_imp:193] Syscall write return 56
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[ 19.921105 3:11 starry::syscall_imp:57] Syscall read
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```
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发现dup3系统调用的返回值异常
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修改arceos的dup2，close new_fd 之后dup3暂时没问题，但是要通过该测例需要实现setsid系统调用，观察Starry-Old发现其与会话相关，展示搁置
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![alt text](image-17.png)

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‎docs/日报/image-17.png‎

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