php / php/php-src

PTY read differences on Illumos

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Bug Extension: standard OS: Illumos SAPI: cli
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Mô tả

Description

When testing some other things on Illumos, I noticed that t/standard/tests/file/bug69442.phpt test hangs due to some pty incompatibility:

Truss output 

    # truss /usr/local/bin/php ext/standard/tests/file/bug69442.phpt
execvex("/usr/local/bin/php", 0xFFFFFC7FFFDFCC68, 0xFFFFFC7FFFDFCC80, 0)  argc = 2
sysinfo(SI_MACHINE, "i86pc", 257)               = 6
mmap(0x00000000, 56, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FE2ED0000
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FED070000
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FED0F0000
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEEB70000
memcntl(0xFFFFFC7FEF399000, 88824, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEECD0000
memcntl(0x00400000, 1632728, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
resolvepath("/usr/lib/amd64/ld.so.1", "/lib/amd64/ld.so.1", 1023) = 18
resolvepath("/usr/local/bin/php", "/usr/local/bin/php", 1023) = 18
stat("/usr/local/bin/php", 0xFFFFFC7FFFDFC8B0)  = 0
open("/var/ld/64/ld.config", O_RDONLY)          Err#2 ENOENT
stat("/usr/ucblib/libresolv.so.2", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/gcc/14/lib/amd64/libresolv.so.2", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/lib/64/libresolv.so.2", 0xFFFFFC7FFFDFBC80) = 0
resolvepath("/lib/64/libresolv.so.2", "/lib/amd64/libresolv.so.2", 1023) = 25
open("/lib/64/libresolv.so.2", O_RDONLY)        = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEECD0CC0, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF2C0000
memcntl(0xFFFFFC7FEF200000, 118392, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/ucblib/libproc.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/gcc/14/lib/amd64/libproc.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/lib/64/libproc.so.1", 0xFFFFFC7FFFDFBC80) = 0
resolvepath("/lib/64/libproc.so.1", "/lib/amd64/libproc.so.1", 1023) = 23
open("/lib/64/libproc.so.1", O_RDONLY)          = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEF2C0C40, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF360000
memcntl(0xFFFFFC7FEF2F0000, 89320, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/ucblib/libm.so.2", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/gcc/14/lib/amd64/libm.so.2", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/lib/64/libm.so.2", 0xFFFFFC7FFFDFBC80)   = 0
resolvepath("/lib/64/libm.so.2", "/lib/amd64/libm.so.2", 1023) = 20
open("/lib/64/libm.so.2", O_RDONLY)             = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEF360B58, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF370000
memcntl(0xFFFFFC7FEEEC0000, 81056, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/ucblib/libnsl.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/gcc/14/lib/amd64/libnsl.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/lib/64/libnsl.so.1", 0xFFFFFC7FFFDFBC80) = 0
resolvepath("/lib/64/libnsl.so.1", "/lib/amd64/libnsl.so.1", 1023) = 22
open("/lib/64/libnsl.so.1", O_RDONLY)           = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEF370AB0, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF2E0000
memcntl(0xFFFFFC7FEF0A0000, 186416, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/ucblib/libsocket.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/gcc/14/lib/amd64/libsocket.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/lib/64/libsocket.so.1", 0xFFFFFC7FFFDFBC80) = 0
resolvepath("/lib/64/libsocket.so.1", "/lib/amd64/libsocket.so.1", 1023) = 25
open("/lib/64/libsocket.so.1", O_RDONLY)        = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEF2E0B28, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF1A0000
memcntl(0xFFFFFC7FEF280000, 34808, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/ucblib/libgcc_s.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/gcc/14/lib/amd64/libgcc_s.so.1", 0xFFFFFC7FFFDFBC80) = 0
resolvepath("/usr/gcc/14/lib/amd64/libgcc_s.so.1", "/usr/gcc/14/lib/amd64/libgcc_s.so.1", 1023) = 35
open("/usr/gcc/14/lib/amd64/libgcc_s.so.1", O_RDONLY) = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEF1A0AB0, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF1D0000
memcntl(0xFFFFFC7FEF040000, 40752, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/ucblib/libc.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/gcc/14/lib/amd64/libc.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/lib/64/libc.so.1", 0xFFFFFC7FFFDFBC80)   = 0
resolvepath("/lib/64/libc.so.1", "/lib/amd64/libc.so.1", 1023) = 20
open("/lib/64/libc.so.1", O_RDONLY)             = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEF1D0A60, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF1F0000
memcntl(0xFFFFFC7FEECF0000, 445576, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/gcc/10/lib/amd64/libc.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/gcc/10/lib/amd64/libsaveargs.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/lib/64/libsaveargs.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/lib/64/libsaveargs.so.1", 0xFFFFFC7FFFDFBC80) = 0
resolvepath("/usr/lib/64/libsaveargs.so.1", "/usr/lib/amd64/libsaveargs.so.1", 1023) = 31
open("/usr/lib/64/libsaveargs.so.1", O_RDONLY)  = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEF1D0E50, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF180000
memcntl(0xFFFFFC7FEF160000, 4456, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/gcc/10/lib/amd64/libdisasm.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/lib/64/libdisasm.so.1", 0xFFFFFC7FFFDFBC80) Err#2 ENOENT
stat("/usr/lib/64/libdisasm.so.1", 0xFFFFFC7FFFDFBC80) = 0
resolvepath("/usr/lib/64/libdisasm.so.1", "/usr/lib/amd64/libdisasm.so.1", 1023) = 29
open("/usr/lib/64/libdisasm.so.1", O_RDONLY)    = 3
mmapobj(3, MMOBJ_INTERPRET, 0xFFFFFC7FEF180D18, 0xFFFFFC7FFFDFBBDC, 0x00000000) = 0
close(3)                                        = 0
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF1C0000
memcntl(0xFFFFFC7FEEF90000, 106784, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
stat("/usr/gcc/10/lib/amd64/libnsl.so.1", 0xFFFFFC7FFFDFB690) Err#2 ENOENT
stat("/usr/gcc/10/lib/amd64/libsocket.so.1", 0xFFFFFC7FFFDFB7C0) Err#2 ENOENT
mmap(0x00000000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 4294967295, 0) = 0xFFFFFC7FEF090000
mmap(0x00010000, 24576, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFFFFFC7FEEF70000
getcontext(0xFFFFFC7FFFDFC3D0)
getrlimit(RLIMIT_STACK, 0xFFFFFC7FFFDFC3C0)     = 0
getpid()                                        = 11858 [11857]
lwp_private(0, 0, 0xFFFFFC7FEEF72A40)           = 0x00000000
getrandom("91F0\0ABB9 Warning: Undefined array key "TEST_PHP_EXECUTABLE" in /home/jakub/prog/php/master/ext/standard/tests/file/bug69442.phpt on line 16

write(1, "\n W a r n i n g :   U n".., 132)     = 132

access("/usr/bin/sh", X_OK)                     = 0

open("/dev/null", O_RDWR)                       = 4

fcntl(4, F_GETFD, 0xFFFFFE0BDD07CBE0)           = 0

pipe([5,6], 0)                                  = 0

access("/usr/bin/sh", X_OK)                     = 0

lwp_sigmask(SIG_SETMASK, 0xFFBFFEFF, 0xFFFFFFFF, 0x000003FF, 0x00000000) = 0x00000000 [0x00000000]

vforkx(FORK_NOSIGCHLD|FORK_WAITPID)             = 11859

lwp_sigmask(SIG_SETMASK, 0x00000000, 0x00000000, 0x00000000, 0x00000000) = 0xFFBFFEFF [0xFFFFFFFF]

close(6)                                        = 0

fcntl(5, F_DUP2FD, 0x00000004)                  = 4

close(5)                                        = 0

read(4, " s h :   - d :   n o t  ".., 8192)     = 46

read(4, 0xFFFFFC7FEE694000, 8192)               = 0

lseek(4, 0, SEEK_CUR)                           Err#29 ESPIPE

close(4)                                        = 0

waitid(P_PID, 11859, 0xFFFFFC7FFFDFA8F0, WEXITED|WTRAPPED) = 0

unlink("/var/tmp/bug69442a6htqkqpvjl8bLkaqkx")  = 0

--FILE--

write(1, " - - F I L E - -\n", 9)               = 9

open("/dev/ptmx", O_RDWR|O_NOCTTY)              = 4

ioctl(4, I_STR, 0xFFFFFC7FFFDFA8E0)             = 0

fstat(4, 0xFFFFFC7FFFDFA900)                    = 0

getuid()                                        = 0 [0]

getuid()                                        = 0 [0]

getpid()                                        = 11858 [11857]

open("/proc/11858/psinfo", O_RDONLY)            = 5

read(5, "\0\0\00201\0\0\0 R .\0\0".., 416)      = 416

close(5)                                        = 0

mmap(0x00010000, 65536, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON|MAP_ALIGN, 4294967295, 0) = 0xFFFFFC7FEECB0000

getuid()                                        = 0 [0]

getuid()                                        = 0 [0]

open("/var/run/name_service_door", O_RDONLY)    = 5

fcntl(5, F_SETFD, FD_CLOEXEC)                   = 0

door_info(5, 0xFFFFFC7FEEE7DC00)                = 0

door_call(5, 0xFFFFFC7FFFDFA5E0)                = 0

ioctl(4, I_STR, 0xFFFFFC7FFFDFA9C0)             = 0

ioctl(4, I_STR, 0xFFFFFC7FFFDFA9D0)             = 0

ioctl(4, I_STR, 0xFFFFFC7FFFDFA8D0)             = 0

fstat(4, 0xFFFFFC7FFFDFA8F0)                    = 0

access("/dev/pts/3", F_OK)                      = 0

open("/dev/pts/3", O_RDONLY|O_NOCTTY)           = 6

ioctl(6, I_PUSH, "ptem")                        = 0

fcntl(6, F_DUPFD, 0x00000000)                   = 7

fcntl(4, F_DUPFD, 0x00000000)                   = 8

fcntl(6, F_DUPFD, 0x00000000)                   = 9

fcntl(4, F_DUPFD, 0x00000000)                   = 10

fcntl(6, F_DUPFD, 0x00000000)                   = 11

fcntl(4, F_DUPFD, 0x00000000)                   = 12

pipe([13,14], 0)                                = 0

fcntl(13, F_SETFD, FD_CLOEXEC)                  = 0

lwp_sigmask(SIG_SETMASK, 0xFFBFFEFF, 0xFFFFFFFF, 0x000003FF, 0x00000000) = 0x00000000 [0x00000000]

vforkx(0)                                       = 11860

lwp_sigmask(SIG_SETMASK, 0x00000000, 0x00000000, 0x00000000, 0x00000000) = 0xFFBFFEFF [0xFFFFFFFF]

close(7)                                        = 0

fstat(8, 0xFFFFFC7FEE68A3B8)                    = 0

close(9)                                        = 0

fstat(10, 0xFFFFFC7FEE68A498)                   = 0

close(11)                                       = 0

fstat(12, 0xFFFFFC7FEE68A578)                   = 0

close(14)                                       = 0

fstat(13, 0xFFFFFC7FEE68A658)                   = 0

close(4)                                        = 0

close(6)                                        = 0

read(8, 0xFFFFFC7FEE699000, 8192)               = 0

Received signal #18, SIGCLD, in read() [default]

siginfo: SIGCLD CLD_EXITED pid=11860 status=0x002A

read(8, 0xFFFFFC7FEE699000, 8192) (sleeping...)

^[[B^[[B^[[Aq^C    Received signal #2, SIGINT, in read() [caught]

PHP Version
PHP 8.3
Operating System

OmniOS r151054

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Bắt đầu từ đâu

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  4. Mở pull request có tham chiếu số hiệu của issue.

Hướng nghiên cứu

Tái hiện tình trạng treo trong t/standard/tests/file/bug69442.phpt trên Illumos và sử dụng đầu ra truss đi kèm làm bằng chứng ban đầu. Theo dõi hành vi đọc PTY mà bài kiểm thử này đi tới, sau đó xác minh rằng bài kiểm thử hoàn tất mà không bị treo trên Illumos.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.

Đánh giá

Công nghệ
c
Lĩnh vực
operating-systems
Loại issue
Lỗi
Độ khó
4/5
Thời gian dự kiến
3-5 ngày
Mức độ hoạt động
Đình trệ
Độ rõ ràng
Cần làm rõ
Mức phù hợp với người mới
35/100

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