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nix daemon: Don't open the store

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This makes it behave the same as nix-daemon. Opening the store in the
parent can cause a SIGBUS in libsqlite in the child:

  #0  0x00007f141cf6f789 in __memset_avx2_unaligned_erms () from /nix/store/wn7v2vhyyyi6clcyn0s9ixvl7d4d87ic-glibc-2.40-36/lib/libc.so.6
  #1  0x00007f141c322fe8 in walIndexAppend () from /nix/store/bbd59cqw259149r2ddk4w1q0lr2fch8c-sqlite-3.46.1/lib/libsqlite3.so.0
  #2  0x00007f141c3711a2 in pagerWalFrames () from /nix/store/bbd59cqw259149r2ddk4w1q0lr2fch8c-sqlite-3.46.1/lib/libsqlite3.so.0
  #3  0x00007f141c38317e in sqlite3PagerCommitPhaseOne.part.0 () from /nix/store/bbd59cqw259149r2ddk4w1q0lr2fch8c-sqlite-3.46.1/lib/libsqlite3.so.0
  #4  0x00007f141c383555 in sqlite3BtreeCommitPhaseOne.part.0 () from /nix/store/bbd59cqw259149r2ddk4w1q0lr2fch8c-sqlite-3.46.1/lib/libsqlite3.so.0
  #5  0x00007f141c384797 in sqlite3VdbeHalt () from /nix/store/bbd59cqw259149r2ddk4w1q0lr2fch8c-sqlite-3.46.1/lib/libsqlite3.so.0
  #6  0x00007f141c3b8f60 in sqlite3VdbeExec () from /nix/store/bbd59cqw259149r2ddk4w1q0lr2fch8c-sqlite-3.46.1/lib/libsqlite3.so.0
  #7  0x00007f141c3bbfef in sqlite3_step () from /nix/store/bbd59cqw259149r2ddk4w1q0lr2fch8c-sqlite-3.46.1/lib/libsqlite3.so.0
  #8  0x00007f141c3bd0e5 in sqlite3_exec () from /nix/store/bbd59cqw259149r2ddk4w1q0lr2fch8c-sqlite-3.46.1/lib/libsqlite3.so.0
  #9  0x00007f141da140e0 in nix::SQLiteTxn::commit() () from /nix/store/1m4r8s7s1v54zq9isncvjgia02bffxlz-determinate-nix-store-3.1.0/lib/libnixstore.so
  #10 0x00007f141d9ce69c in nix::LocalStore::registerValidPaths(std::map<nix::StorePath, nix::ValidPathInfo, std::less<nix::StorePath>, std::allocator<std::pair<nix::StorePath const, nix::ValidPathInfo> > > const&)::{lambda()#1}::operator()() const () from /nix/store/1m4r8s7s1v54zq9isncvjgia02bffxlz-determinate-nix-store-3.1.0/lib/libnixstore.so

(cherry picked from commit 9590167290)
This commit is contained in:
Eelco Dolstra 2025-03-28 19:25:13 +01:00 • committed by Mergify
parent 20e67b8bb6
commit e6aad00570
1 changed files with 2 additions and 2 deletions
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4
src/nix/unix/daemon.cc
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@ -546,7 +546,7 @@ static int main_nix_daemon(int argc, char * * argv)
static RegisterLegacyCommand r_nix_daemon("nix-daemon", main_nix_daemon);
struct CmdDaemon : StoreCommand
struct CmdDaemon : Command
{
bool stdio = false;
std::optional<TrustedFlag> isTrustedOpt = std::nullopt;
@ -615,7 +615,7 @@ struct CmdDaemon : StoreCommand
;
}
void run(ref<Store> store) override
void run() override
{
runDaemon(stdio, isTrustedOpt, processOps);
}