busybox's networking ruined with uClibc, any idea???
kaimi
dishui at gmail.com
Tue Dec 26 23:09:25 PST 2006
hi,all
I setup a workable system with standard libc(arm-linux-gcc-3.3.2.tar.bz2),
but it consumed too much space, so I changed to uClibc.
/ # ifconfig
eth0 Link encap:Ethernet HWaddr 08:00:3E:26:0A:5B
inet addr:192.168.0.254 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:193 errors:0 dropped:0 overruns:0 frame:0
TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:19316 (18.8 KiB) TX bytes:546 (546.0 B)
Interrupt:53 Base address:0x300
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
/ # route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
192.168.0.0 * 255.255.255.0 U 0 0 0 eth0
192.168.0.0 * 255.255.255.0 U 0 0 0 eth0
default 192.168.0.1 0.0.0.0 UG 0 0 0 eth0
/ # ping 127.0.0.1
PING 127.0.0.1 (127.0.0.1): 56 data bytes
In busybox/networking/ping.c:sendping():sendto() ret ping: sendto: Invalid argument
/ # ping 192.168.0.254
PING 192.168.0.254 (192.168.0.254): 56 data bytes
In busybox/networking/ping.c:sendping():sendto() ret ping: sendto: Invalid argument
/ # strace ping 192.168.0.254
execve("/bin/ping", ["ping", "192.168.0.254"], [/* 9 vars */]) mmap2(NULL, 20, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 0x40005000
stat("/etc/ld.so.cache", 0xbeb6cb4c) directory)
open("/lib/libcrypt.so.0", O_RDONLY) fstat(4, {st_mode=S_IFREG|0644, st_size940, ...}) mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 0x40006000
read(4, "\177ELF\1\1\1a\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\20\6\0\000"..., 4096)
mmap2(NULL, 118784, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 0x4000e000
mmap2(0x4000e000, 9496, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 0) 0x4000e000
mmap2(0x40018000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 4, 0x2)
mmap2(0x40019000, 70864, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) close(4) munmap(0x40006000, 4096) open("/lib/libm.so.0", O_RDONLY) fstat(4, {st_mode=S_IFREG|0644, st_sizeE864, ...}) mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 0x40006000
read(4, "\177ELF\1\1\1a\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\364\23\0"..., 4096) 4096
mmap2(NULL, 81920, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) mmap2(0x4002b000, 42596, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 0) 0x4002b000
mmap2(0x4003d000, 4100, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 4, 0xa)
close(4) munmap(0x40006000, 4096) open("/lib/libgcc_s.so.1", O_RDONLY) fstat(4, {st_mode=S_IFREG|0644, st_sizeA171, ...}) mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 0x40006000
read(4, "\177ELF\1\1\1a\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\334\24\0"..., 4096) 4096
mmap2(NULL, 61440, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) mmap2(0x4003f000, 26800, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 0) 0x4003f000
mmap2(0x4004d000, 2728, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 4, 0x6)
close(4) munmap(0x40006000, 4096) open("/lib/libc.so.0", O_RDONLY) fstat(4, {st_mode=S_IFREG|0644, st_size14092, ...}) mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 0x40006000
read(4, "\177ELF\1\1\1a\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\240\264\0"..., 4096)
mmap2(NULL, 364544, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) 0x4004e000
mmap2(0x4004e000, 306868, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 0)
mmap2(0x400a1000, 5328, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 4,
0x4b) mmap2(0x400a3000, 16188, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) close(4) munmap(0x40006000, 4096) open("/lib/libc.so.0", O_RDONLY) fstat(4, {st_mode=S_IFREG|0644, st_size14092, ...}) close(4) open("/lib/libc.so.0", O_RDONLY) fstat(4, {st_mode=S_IFREG|0644, st_size14092, ...}) close(4) open("/lib/libc.so.0", O_RDONLY) fstat(4, {st_mode=S_IFREG|0644, st_size14092, ...}) close(4) mprotect(0x40018000, 4096, PROT_READ) mprotect(0x4003d000, 4096, PROT_READ) mprotect(0x400a1000, 4096, PROT_READ) mprotect(0x4000c000, 4096, PROT_READ) ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B115200 opost isig icanon echo
...}) ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B115200 opost isig icanon echo
...}) getuid32() getgid32() getpid() brk(0) brk(0x73000) open("/etc/protocols", O_RDONLY) ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbeb6cba4) (Inappropriate ioctl for device)
brk(0x74000) read(4, "# /etc/protocols:\n# $Id: protoco"..., 4096) close(4) mq_notify(2, ptrace: umoven: Input/output error
{...}) getuid32() setuid32(0) open("/etc/resolv.conf", O_RDONLY) ioctl(5, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbeb6cab0) (Inappropriate ioctl for device)
read(5, "nameserver 221.10.251.197\nnamese"..., 4096) read(5, "", 4096) close(5) open("/etc/hosts", O_RDONLY) ioctl(5, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbeb6cb18) (Inappropriate ioctl for device)
read(5, "127.0.0.1\tlocalhost\n", 4096) read(5, "", 4096) close(5) SYS_294(0x4, 0x1, 0x6, 0xbeb6cdb0, 0x4) SYS_294(0x4, 0x1, 0x8, 0xbeb6cdb0, 0x4) write(1, "PING 192.168.0.254 (192.168.0.25"..., 50PING 192.168.0.254 (
192.168.0.254): 56 data bytes
) rt_sigaction(SIGINT, {0x340c4, [INT], SA_RESTART|0x4000000}, {SIG_DFL}, 8) 0
gettimeofday({1170, 529510}, NULL) SYS_290(0x4, 0xbeb6cc48, 0x54, 0, 0x6d030) write(1, "i=-1\n", 5i=-1
) write(2, "ping", 4ping) write(2, ": ", 2: ) write(2, "sendto", 6sendto) write(2, ": ", 2: ) write(2, "Invalid argument", 16Invalid argument) write(2, "\n", 1
) _exit(1) Process 70 detached
--
kaimi
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