Mine

open("/usr/lib/libpng12.so.0", 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\200=\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=139496, ...}) = 0
mmap2(NULL, 142328, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb73d1000
mmap2(0xb73f3000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x21) = 0xb73f3000
close(3)                                = 0
open("/usr/lib/firefox/libexpat.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/firefox/plugins/libexpat.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/mozilla-firefox/plugins/libexpat.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/usr/lib/libexpat.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\0p\"\0\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=126716, ...}) = 0
mmap2(NULL, 129496, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb73b1000
mmap2(0xb73cf000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d) = 0xb73cf000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb73b0000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb73af000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb73ae000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb73afb60, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0xb783a000, 4096, PROT_READ)   = 0
mprotect(0xb791f000, 12288, PROT_READ)  = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV (core dumped) +++
Process 31328 detached