From nobody Fri May 1 21:29:30 2026 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4g6khB0dTYz6cL2k for ; Fri, 01 May 2026 21:29:30 +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 "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4g6kh970wtz3vP9 for ; Fri, 01 May 2026 21:29:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1777670970; 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: in-reply-to:in-reply-to:references:references; bh=OZ0Rxtk6jEtarBMdj4JfbeF9XFh2FDAOMZ2wYFKxNM0=; b=JSyYWbjRn75T48Fgq8pTyNNbzfiDFTpLhXnSFtd38C4b15hjKlEj19L2I+UD+wPu9sgjJj iPeycAD2odWPO9z+h1T3Yxbu6S44WutocMLNSrGwhhqsvVEvhZ+jrkJ2RoTiw6DALBStdz bOTmYXRGufo9w/u0d6GMvCITO6OaaUtmTQu2bQPfDSzOWhQPr6GVeHDhO0g0VMtlplcgrs ncU8bSEQQN3EAv8lfc3J5QmQQr6q1eEPRVQT71lxWaOQtoVuI+UAU0fEoHPzs0WWH997Wj wC7W8vbpHESt3pT+GhBn6Nc/IUENiI0q4aia3B0PeAYn+zlw63GAQ/xzQFgX+g== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1777670970; a=rsa-sha256; cv=none; b=fXCfPMtB8auFLcm/f3Vtf4CfkLuGYuhx6C7tJjFLjlWp1+6uwQs4PR8Ye8by3p8mks4i86 0JvpZrYhGGWXRryWfBC+hl6SeznQrStoU3t0sLAZFIMpYWWLwUoOd/Ks4JlSGzhEvEvwIT UOWjcx5xpyrsr8aaJRxG1FNwnWTWfFtIwYOT7zNh5AVvi/nQ9onszO1RjDXzNO8ApMGl9J XGM39Vy/w1YvoJzrFS2LvuKt9uMnYtd8whyoFIVqSORoLMBVzAQrtzIRucEai1zCdTKZ5s C2euC4eBCrmnx7SA6pKsfe1UWXpkX/NT7227JhnEDfYOBz723xSC9u3CK2rZVQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1777670970; 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: in-reply-to:in-reply-to:references:references; bh=OZ0Rxtk6jEtarBMdj4JfbeF9XFh2FDAOMZ2wYFKxNM0=; b=V/5jF0O9Gi78EqP1h2XiOoDf8uGdOwlBip73J1yvFLT1PCtjtYXYjL5wasYK9odW8boW8o GkFJtdIDoHEaqY0Shl9+LSsTT97LrqeVScDsx8g50+K6VSl/k39zOaxJEIoQAW1kFOkRIJ n11VaxHERSGQl+4vkOHr0hIEdTnNaS2f8oe3phjznhVSTZkB8VCoxikMf0JK9LC8f6lTil NF7EaE4Xi9tbj5J8OpKekRTn36d9jNhHvIXQ4o4yLGXCAMtj4O3YnJE9q0J0HL5sSeLcOv 3MYico//KBk9ax/dBpYNGIouLz23e0r3a8x1oaD9uxWZRCbuWZnHM8uafOq/Hg== 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 4g6kh96PmRz1wh for ; Fri, 01 May 2026 21:29:29 +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 641LTT4V095858 for ; Fri, 1 May 2026 21:29:29 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 641LTTQR095857 for bugs@FreeBSD.org; Fri, 1 May 2026 21:29:29 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 275731] panic in zfs: VERIFY(buf[i] == 0) failed Date: Fri, 01 May 2026 21:29:30 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jfc@mit.edu X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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=3D275731 --- Comment #2 from John F. Carr --- A different arm64 system running 15.1-STABLE crashed today with the same assertion. This time the failure was a write from a kernel task rather tha= n a read associated with a write() call from user mode. I had just started a buildworld in /usr/src. spl_panic dbuf_verify+0x63c dbuf_rele_and_unlock dbuf_write_done arc_write_done zio_done zio_execute taskqueue_run_locked --=20 You are receiving this mail because: You are the assignee for the bug.=