Lol, that was a lib I copied from the Debian Jessie archive when I was trying to reuse old deb binaries for the Kobo.
Unfortunately, after removing that old libgcc_s and running einkvnc from telnet, I get similar strace:
Spoiler:
execve("./einkvnc", ["./einkvnc", "192.168.43.1"], [/* 9 vars */]) = 0
brk(0) = 0x5590f000
uname({sys="Linux", node="kobo", ...}) = 0
.'.
.
open("/proc/self/maps", O_RDONLY|O_CLOEXEC) = 3
fcntl64(3, F_GETFD) = 0x1 (flags FD_CLOEXEC)
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x76f0a000
read(3, "54b51000-54d11000 r-xp 00000000 "..., 1024) = 1024
read(3, "2.11.1.so\n76e58000-76e59000 rw-p"..., 1024) = 1024
read(3, "b/libarmmem-v7l.so\n76ed3000-76ee"..., 1024) = 772
close(3) = 0
munmap(0x76f0a000, 4096) = 0
sched_getaffinity(5656, 32, {1}) = 4
ioctl(2, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x7eb81e84) = -1 ENOTTY (Inappropriate ioctl for device)
syscall_384(0x7eb819f8, 0x10, 0x1, 0, 0, 0) = 0x10
socket(PF_INET, SOCK_STREAM|SOCK_CLOEXEC, IPPROTO_IP) = 3
connect(3, {sa_family=AF_INET, sin_port=htons(5900), sin_addr=inet_addr("192.168.43.1")}, 16) = 0
recv(3, "RFB 003.008\n", 12, 0) = 12
send(3, "RFB 003.008\n", 12, MSG_NOSIGNAL) = 12
recv(3, "\2", 1, 0) = 1
recv(3, "\2", 1, 0) = 1
recv(3, "\20", 1, 0) = 1
close(3) = 0
clock_gettime(CLOCK_REALTIME, {1666969923, 220886694}) = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x7e382fd8} ---
write(2, "\nthread '", 9
thread ') = 9
write(2, "main", 4main) = 4
write(2, "' has overflowed its stack\n", 27' has overflowed its stack
) = 27
write(2, "fatal runtime error: ", 21fatal runtime error: ) = 21
write(2, "stack overflow", 14stack overflow) = 14
write(2, "\n", 1
) = 1
rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
tgkill(5656, 5656, SIGABRT) = 0
--- SIGABRT {si_signo=SIGABRT, si_code=SI_TKILL, si_pid=5656, si_uid=0} ---
+++ killed by SIGABRT +++
Aborted