Package: mksh
Version: 40.9.20120630-5
Hi,
mksh crashes when evaluating the expression "++()":
$ strace mksh -c 'echo $((++(VAR)))'
execve("/bin/mksh", ["mksh", "-c", "echo $((++(VAR)))"], [/* 16 vars */]) = 0
brk(0) = 0xb77dc000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7771000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=31208, ...}) = 0
mmap2(NULL, 31208, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7769000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/i686/cmov/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\240o\1\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1437864, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7768000
mmap2(NULL, 1452408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb7605000
mprotect(0xb7761000, 4096, PROT_NONE) = 0
mmap2(0xb7762000, 12288, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15c) = 0xb7762000
mmap2(0xb7765000, 10616, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7765000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libgcc_s.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260$\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=114788, ...}) = 0
mmap2(NULL, 117840, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb75e8000
mmap2(0xb7604000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b) = 0xb7604000
close(3) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb75e7000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb75e76c0, limit:1048575,
seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0,
useable:1}) = 0
mprotect(0xb7762000, 8192, PROT_READ) = 0
mprotect(0xb77d5000, 4096, PROT_READ) = 0
mprotect(0xb778f000, 4096, PROT_READ) = 0
munmap(0xb7769000, 31208) = 0
getpid() = 1396
geteuid32() = 1001
getpgrp() = 1394
getppid() = 1394
brk(0) = 0xb77dc000
brk(0xb77fd000) = 0xb77fd000
rt_sigaction(SIGINT, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGINT, {0xb77c6ba0, [], 0}, NULL, 8) = 0
rt_sigaction(SIGQUIT, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGQUIT, {0xb77c6ba0, [], 0}, NULL, 8) = 0
rt_sigaction(SIGTERM, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGTERM, {0xb77c6ba0, [], 0}, NULL, 8) = 0
rt_sigaction(SIGHUP, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGHUP, {0xb77c6ba0, [], 0}, NULL, 8) = 0
fcntl64(3, F_DUPFD, 24) = 24
fcntl64(24, F_SETFD, FD_CLOEXEC) = 0
close(3) = 0
ioctl(24, TIOCGWINSZ, {ws_row=57, ws_col=204, ws_xpixel=0, ws_ypixel=0}) = 0
close(24) = 0
gettimeofday({1360913837, 608926}, NULL) = 0
gettimeofday({1360913837, 609625}, NULL) = 0
stat64("/home/JO", {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0
stat64(".", {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0
getuid32() = 1001
getgid32() = 1001
getegid32() = 1001
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
gettimeofday({1360913837, 613998}, NULL) = 0
fstat64(0, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 2), ...}) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGCHLD, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGCHLD, {0xb77c6ba0, [], 0}, NULL, 8) = 0
rt_sigaction(SIGWINCH, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGWINCH, {0xb77c6ba0, [], 0}, NULL, 8) = 0
rt_sigaction(SIGALRM, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGALRM, {0xb77c6ba0, [], 0}, NULL, 8) = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x1f} ---
+++ killed by SIGSEGV +++
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