Hi Toke,
after running with your patch for a short while I'm actually starting to
see frequent crashes. Here's a backtrace for one:
Program received signal SIGSEGV, Segmentation fault.
__strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65
65 ../sysdeps/x86_64/multiarch/strlen-avx2.S: No such file or directory.
(gdb) bt
#0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65
#1 0x0000555555592773 in bvsnprintf (
buf=0x7fffffffd770 "babel1: Authentication PC (\367\377\177", size=997,
fmt=0x555555638ab9 "s) %u already seen (window start %u, value %x)",
fmt@entry=0x555555638aa1 "%s: Authentication PC (%s) %u already seen
(window start %u, value %x)", args=args@entry=0x7fffffffdbc0) at
lib/printf.c:256
#2 0x00005555555931ed in buffer_vprint (buf=buf@entry=0x7fffffffdb80,
fmt=fmt@entry=0x555555638aa1 "%s: Authentication PC (%s) %u already seen
(window start %u, value %x)", args=args@entry=0x7fffffffdbc0) at
lib/printf.c:531
#3 0x00005555555f81d8 in vlog (class=7,
msg=msg@entry=0x555555638aa1 "%s: Authentication PC (%s) %u already seen
(window start %u, value %x)", args=args@entry=0x7fffffffdbc0)
at sysdep/unix/log.c:219
#4 0x00005555555f83c2 in log_rl (f=f@entry=0x55555567ed50,
msg=<optimized out>,
msg@entry=0x555555638aa0 "\a%s: Authentication PC (%s) %u already seen
(window start %u, value %x)") at sysdep/unix/log.c:262
#5 0x00005555555b5df3 in babel_auth_check_pc (ifa=ifa@entry=0x5555556a17f0,
msg=msg@entry=0x7fffffffded8) at proto/babel/babel.c:1568
#6 0x00005555555b8738 in babel_auth_check (ifa=ifa@entry=0x5555556a17f0,
saddr=..., sport=<optimized out>, daddr=..., dport=6696,
pkt=0x5555556a1b80,
trailer=0x5555556a1b9a "\020
z\334\016\"\367\212\304u\320\317\333\022\357\363t\a\277\036\356\234\304\370\236\177\351\232mW\236a\235\255",
trailer_len=34)
at proto/babel/packets.c:1907
#7 0x00005555555b8b0a in babel_process_packet (ifa=0x5555556a17f0,
pkt=0x5555556a1b80, len=<optimized out>, saddr=..., sport=<optimized out>,
daddr=..., dport=6696) at proto/babel/packets.c:1492
#8 0x00005555555b8f6b in babel_rx_hook (sk=<optimized out>,
len=<optimized out>) at proto/babel/packets.c:1585
#9 0x00005555555f5483 in sk_read (s=0x5555556a1a30, revents=<optimized out>)
at sysdep/unix/io.c:1914
#10 0x00005555555f6181 in io_loop () at sysdep/unix/io.c:2349
#11 0x00005555555660e6 in main (argc=<optimized out>, argv=<optimized out>)
at sysdep/unix/main.c:940
I can re-test with -O0 tomorrow if that helps.
--Daniel
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