g (Postfix) with ESMTP id 4d9DlR20cfz6GZD7 for ; Mon, 17 Nov 2025 17:10:27 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4d9DlR0MHQz3ZQZ for ; Mon, 17 Nov 2025 17:10:27 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1763399427; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=C0CDjYA9GjeKwGBiICT+fwPHnWiunROqDBaGMxZ37H8=; b=Bf0uXnfyVLXwgVzLbvAm1dxDz+5a8JwzyGRd3JempNFKWw4uqfKkwWDBn5tVl61i9v99I2 IZsviVLaHCGzjISPCcdPQ63j9M+qQbfWfuvUMnuFSdOPIcgJLds+lqWXMMmzF8DDFOcCpQ u4hYNkK+I05Gq2+DykMRa995ilNVEJOcV1l8UcTGceg56R9VMwTPinXRyzLaC1BKYyRUbE +WM6pM/cNs6j2jLE3NAwndeJ4+joE6Ia7YvA9NTTZR6OzTC+MsrHaKfjtY//RZAk52tzho /5CYA6IDeYFCF85Joa5JMvGr4hqwtBOGzgKq3MrIT8y1f9Qc2EGTjObxKkSLwQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1763399427; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=C0CDjYA9GjeKwGBiICT+fwPHnWiunROqDBaGMxZ37H8=; b=ZEIr9hDYB8SqC0aYr879gQyxeDAjgU5ELAfhVz5BagRd9/O0SzR5b9Wb+snLN/4lLDc1Kx y1fl8/iXN1caFdMX/C25Evfvb6SE16DcETj/CnzN0kPpXwLg3b7xyEMauNi0PxDUF0rgzn vzUbIwEjvThp2b+HFmydag5atRjcQ6iFpLp5GrUryaI3uRsChD+FL82skQ8FUPgfcyvx4Z 8QD//fin7sSfyChY90M88c6cEOmRlRom4InEG/TXi3Jnk0OnWsH4matMX2bMaZCbDEibuh psUUm1oDaxW+7gDwbazp9hXkCm8G0Q0ocqClZLMIsulpo6rk4sOWhNAQb+MrZQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1763399427; a=rsa-sha256; cv=none; b=sdtndmEgFGY/LJl2TqULKhKKRUDRnY5ivw/l7ADCivWl4Mw0xod2B89TY4TmUR5uAOAOIg 4zgPm5NjH6uzP+lToEifVBAw7h2i5yJe8zgtd/9O1DdV6NviUnV2enqmR4Q5376vrlTUdk RD4azh8kGDMUxsAYsE6aXT0trnaJ/mGMr/vB+bow4uFPJ/cmqow2nNVHZFoFMSvQug1Yod eblpmOCFkaR40MkfiaQiSvD0ZRYmzjdfcjljLCndVYIxdSh30FhNr8Azcx6jnPyrxxTuRY xVqGBwXOjIwv0ncbePDY/oTS6FYPE2IDjVktcTQWnAMTLsDQkfc79ntfGSlqtw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4d9DlQ71nLz2GK for ; Mon, 17 Nov 2025 17:10:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 5AHHAQSA004531 for ; Mon, 17 Nov 2025 17:10:26 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 5AHHAQ7n004530 for bugs@FreeBSD.org; Mon, 17 Nov 2025 17:10:26 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 291064] locking bug in fuse_vnop_read() Date: Mon, 17 Nov 2025 17:10:27 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cc Message-ID: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D291064 Bug ID: 291064 Summary: locking bug in fuse_vnop_read() Product: Base System Version: 15.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: markj@FreeBSD.org CC: asomers@FreeBSD.org I tried to use fsapfsmount to access a volume. I wanted to back up some fi= les from it, but upon reading them I get a panic: VNASSERT failed: locked not true at /root/freebsd/sys/kern/vfs_subr.c:5816 (assert_vop_elocked) 0xfffff8046a050dc0: type VREG state VSTATE_CONSTRUCTED op 0xffffffff84348878 usecount 2, writecount 0, refcount 3598 seqc users 0=20=20=20=20=20=20= =20=20=20=20=20 hold count flags ()=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 flags ()=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20 v_object 0xfffff800136f3d90 ref 0 pages 103776 cleanbuf 3596 dirtybuf 0 lock type fuse: SHARED (count 1)=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 nodeid: 6, parent nodeid: 0, nlookup: 1, flag: 0x2000 panic: fuse_internal_cache_attrs: vnode is not exclusive locked but should = be cpuid =3D 3=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 time =3D 1763398849=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20 KDB: stack backtrace:=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20 db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0229c90= 4d0 vpanic() at vpanic+0x136/frame 0xfffffe0229c90600=20=20=20=20=20=20=20=20= =20=20=20=20=20=20 panic() at panic+0x43/frame 0xfffffe0229c90660=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 assert_vop_elocked() at assert_vop_elocked+0x86/frame 0xfffffe0229c90690 fuse_internal_cache_attrs() at fuse_internal_cache_attrs+0x47/frame 0xfffffe0229c906f0 fuse_internal_do_getattr() at fuse_internal_do_getattr+0x156/frame 0xfffffe0229c907a0 fuse_vnode_size() at fuse_vnode_size+0x70/frame 0xfffffe0229c907f0=20=20=20= =20=20=20=20=20=20=20=20=20=20=20 fuse_read_biobackend() at fuse_read_biobackend+0x56/frame 0xfffffe0229c9088= 0=20=20=20=20 fuse_vnop_read() at fuse_vnop_read+0x15a/frame 0xfffffe0229c908e0=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20 VOP_READ_APV() at VOP_READ_APV+0x55/frame 0xfffffe0229c90910=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 vn_rdwr() at vn_rdwr+0x304/frame 0xfffffe0229c909d0=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 vn_generic_copy_file_range() at vn_generic_copy_file_range+0x8ee/frame 0xfffffe0229c90bf0=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 vn_copy_file_range() at vn_copy_file_range+0x28f/frame 0xfffffe0229c90cd0= =20=20=20=20=20=20=20 kern_copy_file_range() at kern_copy_file_range+0x408/frame 0xfffffe0229c90d= b0=20=20=20 sys_copy_file_range() at sys_copy_file_range+0x78/frame 0xfffffe0229c90e00= =20=20=20=20=20=20 amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe0229c90f30=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0229c90f30= =20=20=20=20=20=20 --- syscall (569, FreeBSD ELF64, copy_file_range), rip =3D 0x765682438da, r= sp =3D 0x765650dcb38, rbp =3D 0x765650dcc80 ---=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20 Timeout initializing vt_vga=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20 Uptime: 4m58s=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 Dumping 2388 out of 65217 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..= 91% --=20 You are receiving this mail because: You are the assignee for the bug.=