From nobody Tue Jun 9 11:41:02 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 4gZRnB6D1Pz6hpbQ for ; Tue, 09 Jun 2026 11:41:02 +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 4gZRnB0d12z3fTL for ; Tue, 09 Jun 2026 11:41:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781005262; 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=1SS+ryFon9eNEk06k+u5319xTrQsOKU1lreFF2JvVTg=; b=tb3/gY9Ilj+yoO6hzDPtlDePPDhcsA5/q94vCxzocRK+jMnKTfGBkDxi0G87rGINeH+xGB Dq4dIDub0Bu/rR7EXiAjpmCrbqdM7uKTqvkPqEavDtzCg4xvy2L18zVbjHbi7ojYBhV4vh T8hVWiSW43qsFwY3AZB31Qn1Kfa/mjnOV8PqCxRlHOOiQDQwOkhNKWsxz5yKDjIMZfjxU6 Y5qCvgjhKDcS8jHaV3EE105pwMwp8/dcCRhTMjB+ZQNoeTew9wnb5PNCizeiLB2jCl0Ytv 1A9VWVgpWsob75FsVH7mg/5JjjAyEdXzpQNtV+KAC2xn3RQsnSx3NhHbduVcnw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1781005262; a=rsa-sha256; cv=none; b=PQ6zPblhPijoBYYnnSyKaCB6OmoVcm/zME0LZ8kXZ830IjoLATn6V1nBqz82KyNq/AuxM0 xrAcZpEjpJqD0mJwbvsPJTBwW5szy7HdzwcgFwqelBFLe5YYcA5+/LTRG7Aa+Sy/XLmURX OPsHWOGdOp9CN24Hz511/RtOj2fqixyU8tMDgrmFOlWKQjno3YaAMDXGU4M6FWXPJ5KWta 1uQpPTMo1Lt86H+rHW3zAON+0FOv0OuanMe/2UJLXCC3FVAcIj8tIbyQOWscGtTYB6jucx ZOM+5vE7rkgki5+inwJhEJYhZJ7zZ2MkZF3mlUXx5FqkTjjY4XxDvQmceWgyag== 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=1781005262; 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=1SS+ryFon9eNEk06k+u5319xTrQsOKU1lreFF2JvVTg=; b=rvFrakigKitKX7cPbKEfloD8tlzr61tU146ZvNYPvsJ4AbLepucZ7LvgopMexG8gDiCtVL PAjDcpPC9xzwvr6YXCTKaHspzKJwa2dHqbkgXae7NLLickA9rMRKBhiQ/XImpWxCojsNXm nIzN5Ve6zEK/EmxurHGFliVVxUG+0AHEFC/juPF5p9SEXk6OIVp/iyIvQjO4IEKKNOR/lz WQwS/hge+nxwbpeF07oQugDWvHEJFzdYwCfWBd+YDNl+R4y7uIxXng+NhzeFS6lvQAsL1p UC2Qp8czBtZjepGdnZEbIjD1k7YDGIlogDSus/GMXKKVfC29vBkDqCR7GjzeYw== 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 4gZRnB0F2czZ4r for ; Tue, 09 Jun 2026 11:41:02 +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 659Bf14w022489 for ; Tue, 9 Jun 2026 11:41:01 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 659Bf1au022488 for bugs@FreeBSD.org; Tue, 9 Jun 2026 11:41:01 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 291294] panic during shutdown in callout_process Date: Tue, 09 Jun 2026 11:41:02 +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: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: bz@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: cc 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 List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D291294 Bjoern A. Zeeb changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bz@FreeBSD.org, | |rlibby@freebsd.org --- Comment #1 from Bjoern A. Zeeb --- Ryan had replied to my mailing list post given I had forgotten about this P= R: https://lists.freebsd.org/archives/freebsd-current/2026-June/010317.html It is indeed the LIST_FOREACH_SAFE: (gdb) l *callout_process+0x138 0xffffffff80c0f478 is in callout_process (/sys/kern/kern_timeout.c:476). 471 } 472=20=20=20=20=20 473 /* Iterate callwheel from firstb to nowb and then up to las= tb. */ 474 do { 475 sc =3D &cc->cc_callwheel[firstb & callwheelmask]; 476 LIST_FOREACH_SAFE(c, sc, c_links.le, next) { 477 /* Run the callout if present time within allowed. */ 478 if (c->c_time <=3D now) { 479 /* 480 * Consumer told us the callout may= be run I'll go and see if we may have found the next LinuxKPI bug. *sigh* --=20 You are receiving this mail because: You are the assignee for the bug.=