Firefox crashes at startup when run through Rosetta on macOS 27
Categories
(NSS :: Libraries, defect)
Tracking
(Not tracked)
People
(Reporter: spohl, Assigned: spohl)
References
Details
Attachments
(1 external file)
Autoland's universal shippable build 20261110231346 (revision 26b922d5507b, built with SDK 27.2) crashes when its x86_64 slice runs through Rosetta on macOS 27.3. Native arm64 startup and HTTPS browsing appear to work normally.
The crash report records InitializeNSSWithFallbacks failed: -8023. Loading libfreebl3.dylib directly in an x86_64 process reports:
section '__TEXT/__text' align field (1 << 16) that is too large for VM to support
The x86_64 library's __TEXT/__text section has 64 KB alignment. In two standalone copies of the same library, changing only the recorded SDK version from 27.2 to 26.5 makes both dyld_info validation and dlopen succeed. The SDK bump therefore appears to expose an existing alignment issue. The installed release build also has the 64 KB alignment.
security/nss/lib/freebl/mpi/mpi_amd64_common.S uses .align 16 before both assembly functions. This appears to request 64 KB alignment on Darwin rather than the 16-byte alignment intended on ELF platforms.
Intel Macs cannot officially run macOS 27. The confirmed failure is x86_64 Firefox through Rosetta on macOS 27, and I haven't tested Intel Macs on macOS 26 or earlier.
Build: https://treeherder.mozilla.org/jobs?repo=autoland&revision=26b922d5507b211747f27a865a3fd04de47bf44b
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Assignee | |
Comment 1•3 days ago
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Pushed by rvandermeulen@mozilla.com:
https://hg.mozilla.org/projects/nss/rev/64fa6d051a12
Use byte alignment for x86_64 MPI assembly. r=nss-reviewers,jschanck
Description
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