Date: Sat, 17 Jun 2017 12:46:41 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 220079] [kern] sys/kern/vfs_subr.c: double mutex locks in vgone Message-ID: <bug-220079-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D220079 Bug ID: 220079 Summary: [kern] sys/kern/vfs_subr.c: double mutex locks in vgone Product: Base System Version: 11.0-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: baijiaju1990@163.com The kernel may has double mutex locks, and the code path in file "sys/kern/vfs_subr.c" in FreeBSD 11.0 release is: vflush [line 3050: acquire the lock by VI_LOCK] vgone [line 3057] VI_LOCK [line 3100] --> lock again This bug is found by a static analysis tool written by myself, and it is checked by my review of the FreeBSD code. Jia-Ju Bai --=20 You are receiving this mail because: You are the assignee for the bug.=
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