Date: Wed, 15 Dec 2021 21:44:30 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260453 Bug ID: 260453 Summary: ZFS truncated write to O_APPEND file from mmap'ed memory Product: Base System Version: 13.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: phk@FreeBSD.org Summary: A file is opened for O_APPEND writev(2) is called with 480 bytes from a mmap'ed neighbor file. writev(2) returns 480 The file only grows by 194 bytes. Seen on: 13.0p5, emaste reproduced on ref13-amd64 ZFS seems to be a requirement for the failure. To reproduce: git clone https://github.com/bsdphk/AardWARC cd AardWARC make test (The action happens in /tmp) The bug triggers the following assert: Assert error in silo_attempt_append(), wsilo.c line 436: Condition((off_t)s == (after - before)) not true. -- You are receiving this mail because: You are the assignee for the bug.