From: Tobias Koch <tobias.koch@nonterra.com>
To: musl@lists.openwall.com
Subject: Re: pthread_getattr_np doing loads of mremaps on ARM, MIPS under QEMU user-mode
Date: Thu, 15 Jun 2017 23:01:48 +0300 [thread overview]
Message-ID: <95368764-4c3d-8f6e-4030-87872d8913ea@nonterra.com> (raw)
In-Reply-To: <20170615141927.GN1627@brightrain.aerifal.cx>
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> This is not particularly unusual (it's the best way we could find to
> measure the initial thread's stack size), but it's possible that qemu
> user mode is botching emulation of mremap and thus resulting in a
> wrong stack size being reported. Can you send a full strace (qemu-arm
> -strace, maybe also real strace of the qemu process with the host
> strace utility) log of the crash? That will probably shed some light
> on what's happening.
attached recorded via
strace -o host-strace-qemu.log /usr/bin/qemu-arm-static -strace
/usr/bin/ruby2.4 > qemu-strace-ruby.log 2>&1
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[-- Type: text/plain, Size: 31185 bytes --]
execve("/usr/bin/qemu-arm-static", ["/usr/bin/qemu-arm-static", "-strace", "/usr/bin/ruby2.4"], [/* 11 vars */]) = 0
uname({sysname="Linux", nodename="debian", ...}) = 0
brk(NULL) = 0x625d7000
brk(0x625d8240) = 0x625d8240
arch_prctl(ARCH_SET_FS, 0x625d7900) = 0
set_tid_address(0x625d7bd0) = 13641
set_robust_list(0x625d7be0, 24) = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x60148540, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x601485d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/usr/bin/qemu-arm-static", 4096) = 24
brk(0x625f9240) = 0x625f9240
brk(0x625fa000) = 0x625fa000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
rt_sigprocmask(SIG_SETMASK, ~[RTMIN RT_1], [], 8) = 0
mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fbd678ff000
mprotect(0x7fbd678ff000, 4096, PROT_NONE) = 0
clone(child_stack=0x7fbd680fedf0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7fbd680ff9d0, tls=0x7fbd680ff700, child_tidptr=0x7fbd680ff9d0) = 13642
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
gettimeofday({tv_sec=1497554487, tv_usec=346263}, NULL) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
time(NULL) = 1497554487
open("/etc/qemu-binfmt/arm", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
uname({sysname="Linux", nodename="debian", ...}) = 0
brk(0x6261b000) = 0x6261b000
mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd6787e000
mprotect(0x6054f000, 33550336, PROT_READ|PROT_WRITE|PROT_EXEC) = 0
mprotect(0x6254e000, 4096, PROT_NONE) = 0
madvise(0x6054fe30, 33546704, MADV_HUGEPAGE) = -1 EINVAL (Invalid argument)
mmap(NULL, 23261184, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd6624f000
brk(0x6263c000) = 0x6263c000
brk(0x6263b000) = 0x6263b000
mmap(NULL, 4143972352, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x7fbc6f24f000
mmap(0x7fbd6f23f000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbd6f23f000
mprotect(0x7fbd6f23f000, 4096, PROT_READ) = 0
open("/proc/sys/vm/mmap_min_addr", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
read(3, "65536\n", 1024) = 6
close(3) = 0
gettid() = 13641
open("/usr/bin/ruby2.4", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=5332, ...}) = 0
geteuid() = 1000
getegid() = 1000
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\2\0(\0\1\0\0\0\24\6\1\0004\0\0\0"..., 1024) = 1024
mmap(0x7fbc6f25f000, 4096, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x7fbc6f25f000
mmap(0x7fbc6f26f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x7fbc6f26f000
close(3) = 0
mmap(0x7fbd65a4e000, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbd65a4e000
mprotect(0x7fbd65a4e000, 4096, PROT_NONE) = 0
open("/usr/lib/ld-musl-arm.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\2104\7\0004\0\0\0"..., 1024) = 1024
mmap(0x7fbd65998000, 745472, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x7fbd65998000
mmap(0x7fbd65998000, 667648, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x7fbd65998000
mmap(0x7fbd65a4a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0xa2000) = 0x7fbd65a4a000
mmap(0x7fbd65a4c000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbd65a4c000
close(3) = 0
getuid() = 1000
geteuid() = 1000
getgid() = 1000
getegid() = 1000
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigaction(SIGHUP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGHUP, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGINT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGINT, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGQUIT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGQUIT, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGILL, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGILL, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGTRAP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTRAP, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGABRT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGABRT, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGBUS, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGFPE, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGFPE, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGKILL, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGKILL, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = -1 EINVAL (Invalid argument)
rt_sigaction(SIGUSR1, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGUSR1, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGSEGV, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGUSR2, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGUSR2, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGPIPE, NULL, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGPIPE, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGALRM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGALRM, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGTERM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTERM, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGSTKFLT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGSTKFLT, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGCHLD, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGCONT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGSTOP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTSTP, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTTIN, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTTOU, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGURG, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGXCPU, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGXCPU, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGXFSZ, NULL, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGXFSZ, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGVTALRM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGVTALRM, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGPROF, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGPROF, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGWINCH, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGIO, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGIO, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGPWR, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGPWR, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGSYS, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGSYS, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_32, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_32, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_2, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_2, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_3, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_3, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_4, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_4, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_5, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_5, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_6, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_6, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_7, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_7, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_8, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_8, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_9, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_9, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_10, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_10, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_11, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_11, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_12, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_12, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_13, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_13, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_14, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_14, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_15, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_15, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_16, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_16, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_17, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_17, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_18, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_18, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_19, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_19, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_20, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_20, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_21, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_21, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_22, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_22, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_23, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_23, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_24, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_24, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_25, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_25, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_26, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_26, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_27, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_27, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_28, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_28, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_29, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_29, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_30, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_30, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
rt_sigaction(SIGRT_31, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGRT_31, {sa_handler=0x6004d160, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x6014f220}, NULL, 8) = 0
arch_prctl(ARCH_SET_GS, 0x7fbc6f24f000) = 0
brk(0x6265c000) = 0x6265c000
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "set_tid_address(-159391760,-1597"..., 73) = 73
set_tid_address(0x7fbd65a4cff0) = 13641
write(2, " = 13641\n", 9) = 9
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "open(", 5) = 5
write(2, "\"/usr/etc/ld-musl-arm.path\",", 28) = 28
write(2, "O_RDONLY", 8) = 8
write(2, "|", 1) = 1
write(2, "O_LARGEFILE", 11) = 11
write(2, "|O_CLOEXEC", 10) = 10
write(2, ")", 1) = 1
openat(AT_FDCWD, "/usr/etc/ld-musl-arm.path", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
write(2, " = -1 errno=2 (No such file or d"..., 42) = 42
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "open(", 5) = 5
write(2, "\"/usr/lib/libruby-2.4.so.2.4\",", 30) = 30
write(2, "O_RDONLY", 8) = 8
write(2, "|", 1) = 1
write(2, "O_LARGEFILE", 11) = 11
write(2, "|O_CLOEXEC", 10) = 10
write(2, ")", 1) = 1
openat(AT_FDCWD, "/usr/lib/libruby-2.4.so.2.4", O_RDONLY|O_CLOEXEC) = 3
write(2, " = 3\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "fcntl64(", 8) = 8
write(2, "3,", 2) = 2
write(2, "F_SETFD,", 8) = 8
write(2, "1", 1) = 1
write(2, ")", 1) = 1
fcntl(3, F_SETFD, FD_CLOEXEC) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "fstat64(", 8) = 8
write(2, "3,", 2) = 2
write(2, "0xf6fff860", 10) = 10
write(2, ")", 1) = 1
fstat(3, {st_mode=S_IFREG|0755, st_size=2252572, ...}) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "read(3,0xf6fff460,936)", 22) = 22
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\220\264\1\0004\0\0\0"..., 936) = 936
write(2, " = 936\n", 7) = 7
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mmap2(", 6) = 6
write(2, "NULL,", 5) = 5
write(2, "2342912,", 8) = 8
write(2, "PROT_EXEC", 9) = 9
write(2, "|PROT_READ", 10) = 10
write(2, ",", 1) = 1
write(2, "MAP_PRIVATE", 11) = 11
write(2, ",", 1) = 1
write(2, "3,", 2) = 2
write(2, "0", 1) = 1
write(2, ")", 1) = 1
mmap(0x7fbd6575c000, 2342912, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbd6575c000
mmap(0x7fbd6575c000, 2342912, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x7fbd6575c000
write(2, " = 0xf650d000\n", 14) = 14
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mmap2(", 6) = 6
write(2, "0xf673e000,", 11) = 11
write(2, "45056,", 6) = 6
write(2, "PROT_READ", 9) = 9
write(2, "|PROT_WRITE", 11) = 11
write(2, ",", 1) = 1
write(2, "MAP_PRIVATE", 11) = 11
write(2, "|MAP_FIXED", 10) = 10
write(2, ",", 1) = 1
write(2, "3,", 2) = 2
write(2, "0x221", 5) = 5
write(2, ")", 1) = 1
mmap(0x7fbd6598d000, 45056, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x221000) = 0x7fbd6598d000
write(2, " = 0xf673e000\n", 14) = 14
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mmap2(", 6) = 6
write(2, "0xf6743000,", 11) = 11
write(2, "24576,", 6) = 6
write(2, "PROT_READ", 9) = 9
write(2, "|PROT_WRITE", 11) = 11
write(2, ",", 1) = 1
write(2, "MAP_PRIVATE", 11) = 11
write(2, "|MAP_ANONYMOUS", 14) = 14
write(2, "|MAP_FIXED", 10) = 10
write(2, ",", 1) = 1
write(2, "-1,", 3) = 3
write(2, "0", 1) = 1
write(2, ")", 1) = 1
mmap(0x7fbd65992000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbd65992000
write(2, " = 0xf6743000\n", 14) = 14
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "close(3)", 8) = 8
close(3) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "open(", 5) = 5
write(2, "\"/usr/lib/libgmp.so.10\",", 24) = 24
write(2, "O_RDONLY", 8) = 8
write(2, "|", 1) = 1
write(2, "O_LARGEFILE", 11) = 11
write(2, "|O_CLOEXEC", 10) = 10
write(2, ")", 1) = 1
openat(AT_FDCWD, "/usr/lib/libgmp.so.10", O_RDONLY|O_CLOEXEC) = 3
write(2, " = 3\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "fcntl64(", 8) = 8
write(2, "3,", 2) = 2
write(2, "F_SETFD,", 8) = 8
write(2, "1", 1) = 1
write(2, ")", 1) = 1
fcntl(3, F_SETFD, FD_CLOEXEC) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "fstat64(", 8) = 8
write(2, "3,", 2) = 2
write(2, "0xf6fff860", 10) = 10
write(2, ")", 1) = 1
fstat(3, {st_mode=S_IFREG|0755, st_size=396032, ...}) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "read(3,0xf6fff460,936)", 22) = 22
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0@\205\0\0004\0\0\0"..., 936) = 936
write(2, " = 936\n", 7) = 7
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mmap2(", 6) = 6
write(2, "NULL,", 5) = 5
write(2, "462848,", 7) = 7
write(2, "PROT_EXEC", 9) = 9
write(2, "|PROT_READ", 10) = 10
write(2, ",", 1) = 1
write(2, "MAP_PRIVATE", 11) = 11
write(2, ",", 1) = 1
write(2, "3,", 2) = 2
write(2, "0", 1) = 1
write(2, ")", 1) = 1
mmap(0x7fbd656eb000, 462848, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fbd656eb000
mmap(0x7fbd656eb000, 462848, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x7fbd656eb000
write(2, " = 0xf649c000\n", 14) = 14
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mmap2(", 6) = 6
write(2, "0xf650b000,", 11) = 11
write(2, "8192,", 5) = 5
write(2, "PROT_READ", 9) = 9
write(2, "|PROT_WRITE", 11) = 11
write(2, ",", 1) = 1
write(2, "MAP_PRIVATE", 11) = 11
write(2, "|MAP_FIXED", 10) = 10
write(2, ",", 1) = 1
write(2, "3,", 2) = 2
write(2, "0x5f", 4) = 4
write(2, ")", 1) = 1
mmap(0x7fbd6575a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x5f000) = 0x7fbd6575a000
write(2, " = 0xf650b000\n", 14) = 14
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "close(3)", 8) = 8
close(3) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mprotect(", 9) = 9
write(2, "0xf673e000,", 11) = 11
write(2, "12288,", 6) = 6
write(2, "PROT_READ", 9) = 9
write(2, ")", 1) = 1
mprotect(0x7fbd6598d000, 12288, PROT_READ) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mprotect(", 9) = 9
write(2, "0xf650b000,", 11) = 11
write(2, "4096,", 5) = 5
write(2, "PROT_READ", 9) = 9
write(2, ")", 1) = 1
mprotect(0x7fbd6575a000, 4096, PROT_READ) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mprotect(", 9) = 9
write(2, "0xf67fb000,", 11) = 11
write(2, "4096,", 5) = 5
write(2, "PROT_READ", 9) = 9
write(2, ")", 1) = 1
mprotect(0x7fbd65a4a000, 4096, PROT_READ) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mprotect(", 9) = 9
write(2, "0x00020000,", 11) = 11
write(2, "4096,", 5) = 5
write(2, "PROT_READ", 9) = 9
write(2, ")", 1) = 1
mprotect(0x7fbc6f26f000, 4096, PROT_READ) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "fstat64(", 8) = 8
write(2, "0,", 2) = 2
write(2, "0xf6fffd08", 10) = 10
write(2, ")", 1) = 1
fstat(0, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 6), ...}) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "fstat64(", 8) = 8
write(2, "1,", 2) = 2
write(2, "0xf6fffd08", 10) = 10
write(2, ")", 1) = 1
fstat(1, {st_mode=S_IFREG|0644, st_size=1266, ...}) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "fstat64(", 8) = 8
write(2, "2,", 2) = 2
write(2, "0xf6fffd08", 10) = 10
write(2, ")", 1) = 1
fstat(2, {st_mode=S_IFREG|0644, st_size=1298, ...}) = 0
write(2, " = 0\n", 5) = 5
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mremap(-151003136,4096,8192,0,0,"..., 43) = 43
write(2, " = -1 errno=12 (Cannot allocate "..., 40) = 40
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mremap(-151007232,4096,8192,0,0,"..., 43) = 43
write(2, " = -1 errno=12 (Cannot allocate "..., 40) = 40
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mremap(-151011328,4096,8192,0,0,"..., 43) = 43
write(2, " = -1 errno=12 (Cannot allocate "..., 40) = 40
.
.
.
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mremap(0,4096,8192,0,0,-15939142"..., 34) = 34
mremap(0x7fbc6f24f000, 4096, 8192, 0) = -1 ENOMEM (Out of memory)
write(2, " = -1 errno=12 (Cannot allocate "..., 40) = 40
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "mremap(-4096,4096,8192,0,0,-1593"..., 38) = 38
mremap(0x7fbd6f24e000, 4096, 8192, 0) = -1 EFAULT (Bad address)
write(2, " = -1 errno=14 (Bad address)\n", 29) = 29
getpid() = 13641
write(2, "13641 ", 6) = 6
write(2, "prlimit64(0,3,0,-150995952,-1509"..., 49) = 49
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
write(2, " = 0\n", 5) = 5
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x7fbc6f2500d8} ---
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_SETMASK, ~[RTMIN RT_1], NULL, 8) = 0
write(2, "--- ", 4) = 4
write(2, "SIGSEGV", 7) = 7
write(2, " ", 1) = 1
write(2, "{si_signo=", 10) = 10
write(2, "SIGSEGV", 7) = 7
write(2, ", si_code=", 10) = 10
write(2, "1", 1) = 1
write(2, ", si_addr = ", 12) = 12
write(2, "0x000010d8", 10) = 10
write(2, "}", 1) = 1
write(2, " ---\n", 5) = 5
getrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM64_INFINITY}) = 0
getrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM64_INFINITY}) = 0
setrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM64_INFINITY}) = 0
futex(0x6256db80, FUTEX_WAKE_PRIVATE, 2147483647) = 0
write(2, "qemu: uncaught target signal 11 "..., 67) = 67
rt_sigaction(SIGSEGV, {sa_handler=SIG_DFL, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x6014f220}, NULL, 8) = 0
getpid() = 13641
kill(13641, SIGSEGV) = 0
rt_sigsuspend(~[SEGV RTMIN RT_1], 8) = ? ERESTARTNOHAND (To be restarted if no handler)
--- SIGSEGV {si_signo=SIGSEGV, si_code=SI_USER, si_pid=13641, si_uid=1000} ---
+++ killed by SIGSEGV +++
[-- Attachment #3: qemu-strace-ruby.log --]
[-- Type: text/plain, Size: 2026 bytes --]
13641 set_tid_address(-159391760,-159706348,1,-159391412,-159391788,-150995520) = 13641
13641 open("/usr/etc/ld-musl-arm.path",O_RDONLY|O_LARGEFILE|O_CLOEXEC) = -1 errno=2 (No such file or directory)
13641 open("/usr/lib/libruby-2.4.so.2.4",O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3
13641 fcntl64(3,F_SETFD,1) = 0
13641 fstat64(3,0xf6fff860) = 0
13641 read(3,0xf6fff460,936) = 936
13641 mmap2(NULL,2342912,PROT_EXEC|PROT_READ,MAP_PRIVATE,3,0) = 0xf650d000
13641 mmap2(0xf673e000,45056,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED,3,0x221) = 0xf673e000
13641 mmap2(0xf6743000,24576,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0) = 0xf6743000
13641 close(3) = 0
13641 open("/usr/lib/libgmp.so.10",O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3
13641 fcntl64(3,F_SETFD,1) = 0
13641 fstat64(3,0xf6fff860) = 0
13641 read(3,0xf6fff460,936) = 936
13641 mmap2(NULL,462848,PROT_EXEC|PROT_READ,MAP_PRIVATE,3,0) = 0xf649c000
13641 mmap2(0xf650b000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED,3,0x5f) = 0xf650b000
13641 close(3) = 0
13641 mprotect(0xf673e000,12288,PROT_READ) = 0
13641 mprotect(0xf650b000,4096,PROT_READ) = 0
13641 mprotect(0xf67fb000,4096,PROT_READ) = 0
13641 mprotect(0x00020000,4096,PROT_READ) = 0
13641 fstat64(0,0xf6fffd08) = 0
13641 fstat64(1,0xf6fffd08) = 0
13641 fstat64(2,0xf6fffd08) = 0
13641 mremap(-151003136,4096,8192,0,0,-159391424) = -1 errno=12 (Cannot allocate memory)
13641 mremap(-151007232,4096,8192,0,0,-159391424) = -1 errno=12 (Cannot allocate memory)
13641 mremap(-151011328,4096,8192,0,0,-159391424) = -1 errno=12 (Cannot allocate memory)
.
.
.
13641 mremap(4096,4096,8192,0,0,-159391424) = -1 errno=12 (Cannot allocate memory)
13641 mremap(0,4096,8192,0,0,-159391424) = -1 errno=12 (Cannot allocate memory)
13641 mremap(-4096,4096,8192,0,0,-159391424) = -1 errno=14 (Bad address)
13641 prlimit64(0,3,0,-150995952,-150995952,-159391424) = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=1, si_addr = 0x000010d8} ---
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Segmentation fault
next prev parent reply other threads:[~2017-06-15 20:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-15 13:08 Tobias Koch
2017-06-15 14:19 ` Rich Felker
2017-06-15 20:01 ` Tobias Koch [this message]
2017-06-21 0:41 ` Rich Felker
2017-06-24 22:05 ` Tobias Koch
2017-06-24 22:18 ` Rich Felker
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