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dnsmasq-discuss

[Dnsmasq-discuss] Announce: dnsmasq-2.92rc2 Re: [Dnsmasq-discuss] [PATCH] Fix arguments order for chaos subdomain check Re: [Dnsmasq-discuss] patch: block-file/allow-file - for review/feedback Re: [Dnsmasq-discuss] patch: block-file/allow-file - for review/feedback Re: [Dnsmasq-discuss] patch: block-file/allow-file - for review/feedback Re: [Dnsmasq-discuss] patch: block-file/allow-file - for review/feedback [Dnsmasq-discuss] patch: block-file/allow-file - for review/feedback Re: [Dnsmasq-discuss] server= with interface parameter changes behavior over time [Dnsmasq-discuss] NFTsets and hosts-files [Dnsmasq-discuss] [PATCH] Allow expired RRSIGs when stale caching is enabled [Dnsmasq-discuss] [PATCH] Fix local host records being overridden by upstream NXDOMAIN [Dnsmasq-discuss] [PATCH] Fix arguments order for chaos subdomain check Re: [Dnsmasq-discuss] Malformed RRSIG Can Crash dnsmasq [Dnsmasq-discuss] Malformed NSEC/NSEC3 Can Hang dnsmasq [Dnsmasq-discuss] Malformed RRSIG Can Crash dnsmasq [Dnsmasq-discuss] Security - IMPORTANT Re: [Dnsmasq-discuss] Issue with circuit-id matching on dhcp requests Re: [Dnsmasq-discuss] Issue with circuit-id matching on dhcp requests Re: [Dnsmasq-discuss] Issue with circuit-id matching on dhcp requests [Dnsmasq-discuss] Issue with circuit-id matching on dhcp requests Re: [Dnsmasq-discuss] [PATCH] bpf.c: fix memory leak in arp_enumerate() on BSD Re: [Dnsmasq-discuss] [PATCH] bpf.c: fix memory leak in arp_enumerate() on BSD Re: [Dnsmasq-discuss] dnssec problem here and now Re: [Dnsmasq-discuss] dnssec problem here and now [Dnsmasq-discuss] dnssec problem here and now Re: [Dnsmasq-discuss] server= with interface parameter changes behavior over time Re: [Dnsmasq-discuss] [PATCH] bpf.c: fix memory leak in arp_enumerate() on BSD Re: [Dnsmasq-discuss] [PATCH] bpf.c: fix memory leak in arp_enumerate() on BSD Re: [Dnsmasq-discuss] [PATCH] Preserve existing log file permissions when adding group-write bit. [Dnsmasq-discuss] server= with interface parameter changes behavior over time [Dnsmasq-discuss] [PATCH] bpf.c: fix memory leak in arp_enumerate() on BSD Re: [Dnsmasq-discuss] [PATCH] Preserve existing log file permissions when adding group-write bit. Re: [Dnsmasq-discuss] [BUG] SIGSEGV when parsing invalid "--interface-name" or "--dynamic-host" options Re: [Dnsmasq-discuss] Suggestion to increase default for max-tcp-connections [Dnsmasq-discuss] server priority clarification after e86d53c [Dnsmasq-discuss] [BUG] SIGSEGV when parsing invalid "--interface-name" or "--dynamic-host" options [Dnsmasq-discuss] Suggestion to increase default for max-tcp-connections Re: [Dnsmasq-discuss] [PATCH] Preserve existing log file permissions when adding group-write bit. [Dnsmasq-discuss] [Bug] Heap buffer overflow in cache_recv_insert() due to pipe de-synchronization Re: [Dnsmasq-discuss] Regression/Feature Request for 2.92 Re: [Dnsmasq-discuss] [PATCH] DHCPv6 network range is not checked well with dhcp-sequential-ip [Dnsmasq-discuss] [Bug] Buffer underflow in hostname_issubdomain() [Dnsmasq-discuss] [PATCH] Don't penalize conditional forwarders for REFUSED responses [Dnsmasq-discuss] BUG:Heap buffer overflow in src/forward.c due to incorrect pointer arithmetic (CWE-122) Re: [Dnsmasq-discuss] Regression/Feature Request for 2.92 Re: [Dnsmasq-discuss] Regression/Feature Request for 2.92 Re: [Dnsmasq-discuss] Regression/Feature Request for 2.92 Re: [Dnsmasq-discuss] Potential privacy issue: filter-rr inefficiency Re: [Dnsmasq-discuss] TCP optimization regressions Re: [Dnsmasq-discuss] Bug: Null pointer dereference in domain-match.c at line 82 (dnsmasq 2.92test21-1-gee09f06) [Dnsmasq-discuss] [PATCH] ubus: add lease management methods [Dnsmasq-discuss] Regression/Feature Request for 2.92 [Dnsmasq-discuss] cotillon por mayor [Dnsmasq-discuss] Por Qué el Alquiler de Plataformas Elevadoras es la Clave del Éxito para Tu Empresa Re: [Dnsmasq-discuss] [PATCH] dnsmasq: failed to create inotify for /etc/resolv.conf: No space left on device [Dnsmasq-discuss] Bug: Null pointer dereference in domain-match.c at line 82 (dnsmasq 2.92test21-1-gee09f06) [Dnsmasq-discuss] TCP optimization regressions Re: [Dnsmasq-discuss] [PATCH] dnsmasq: failed to create inotify for /etc/resolv.conf: No space left on device Re: [Dnsmasq-discuss] dnsmasq 2.92 build-error against Nettle 4.0 Re: [Dnsmasq-discuss] dnsmasq 2.92 build-error against Nettle 4.0 Re: [Dnsmasq-discuss] dnsmasq 2.92 build-error against Nettle 4.0 [Dnsmasq-discuss] dnsmasq 2.92 build-error against Nettle 4.0 [Dnsmasq-discuss] Potential privacy issue: filter-rr inefficiency Re: [Dnsmasq-discuss] Bug with NS records when using dnsmasq as authoritative nameserver without specific auth-interface Re: [Dnsmasq-discuss] Bug with NS records when using dnsmasq as authoritative nameserver without specific auth-interface Re: [Dnsmasq-discuss] segfault with an empty OPTION_SNAME [Dnsmasq-discuss] Bug with NS records when using dnsmasq as authoritative nameserver without specific auth-interface Re: [Dnsmasq-discuss] segfault with an empty OPTION_SNAME [Dnsmasq-discuss] segfault with an empty OPTION_SNAME Re: [Dnsmasq-discuss] Shut down caused by device request address. Re: [Dnsmasq-discuss] Shut down caused by device request address. [Dnsmasq-discuss] Shut down caused by device request address. [Dnsmasq-discuss] [PATCH] dnsmasq: failed to create inotify for /etc/resolv.conf: No space left on device Re: [Dnsmasq-discuss] dnsmasq with high availability and dynamic range [Dnsmasq-discuss] dnsmasq with high availability and dynamic range [Dnsmasq-discuss] PATCH] PXE boot server (PXEBS) responses broken in 2.92 — missing else in dhcp.c [Dnsmasq-discuss] PATCH] PXE boot server (PXEBS) responses broken in 2.92 — missing else in dhcp.c [Dnsmasq-discuss] Potential memory leak Re: [Dnsmasq-discuss] Incorrect SERVFAIL on dnssec and rivcoed.org. domain [Dnsmasq-discuss] Announce: dnsmasq-2.92 Re: [Dnsmasq-discuss] dnsmasq does not forward requests with no default route is set [Dnsmasq-discuss] DNSSEC validation fails for wildcard subdomains [Dnsmasq-discuss] Add an option to not always add a pseudo header? Re: [Dnsmasq-discuss] Announce: 2.92.rc1, rc3 & patches overseen Re: [Dnsmasq-discuss] Portable PXE boot appliance [Dnsmasq-discuss] Portable PXE boot appliance Re: [Dnsmasq-discuss] Question about IPv6 settings [Dnsmasq-discuss] Incorrect SERVFAIL on dnssec and rivcoed.org. domain [Dnsmasq-discuss] Question about IPv6 settings Re: [Dnsmasq-discuss] iPhone 17 Pro Max DHCP not working [Dnsmasq-discuss] iPhone 17 Pro Max DHCP not working Re: [Dnsmasq-discuss] [PATCH 0/3] Announce: 2.92.rc1 [Dnsmasq-discuss] [PATCH 0/3] Announce: 2.92.rc1 [Dnsmasq-discuss] [PATCH 3/3] Fix some issues with the swedish manual page, some causing lintian warnings [Dnsmasq-discuss] [PATCH2/3] Fix typos in the english manual page [Dnsmasq-discuss] [PATCH 1/3] Remove trailing white space from dnsmasq.conf.example [Dnsmasq-discuss] Announce: 2.92.rc1 [Dnsmasq-discuss] dnsmasq rejects TCP queries originating from Kubernetes pods Re: [Dnsmasq-discuss] Git: Is first dhcp.c address_available() for/if code correct? [Dnsmasq-discuss] [PATCH dnsmasq 1/1] fix SIGSEGV in dbus.c when no dhcp-range is configured
Re: [Dnsmasq-discuss] /etc/hosts char length limit bug
Tim Tassonis · 2026-06-08 · via dnsmasq-discuss


On 6/3/26 23:39, brandon via Dnsmasq-discuss wrote:
Hello DNS Masq,

While using dnsmasq as part of libvirt I've noticed that my /etc/hosts prevents my VMs from starting. I looked through the system logs and found that it was DNS Masq that was crashing causing my VMs to not have any network (not even DHCP or any ip connectivity).

I'm using NixOS and using StevenBlack hosts to block ads on my system.

I sorted /etc/hosts lines by length and then performed a binary search to cut down the longest lines one by one.

What I found was that once the lines get to <=57 chars dnsmasq is able to start with no problems.

Please see my change log here for what I've done on my system:
https://github.com/StevenBlack/hosts/compare/ master...yuannan:hosts:short <https://github.com/StevenBlack/hosts/ compare/master...yuannan:hosts:short>



Why do you deliberately and repeatedly misspell dnsmasq as DNS Masq?



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