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X-CSE-ConnectionGUID: svcZb2o5RoiaLtrIn94HtA== X-CSE-MsgGUID: ZojOdQ4wRxW+2Ve9w0tkPA== X-IronPort-AV: E=Sophos;i="6.12,238,1728975600"; d="asc'?scan'208";a="35582583" X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 16 Dec 2024 06:24:51 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Mon, 16 Dec 2024 06:24:47 -0700 Received: from wendy (10.10.85.11) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend Transport; Mon, 16 Dec 2024 06:24:46 -0700 Date: Mon, 16 Dec 2024 13:24:14 +0000 From: Conor Dooley To: Greg Kroah-Hartman CC: , , , , , , Xiangyu Chen , Zqiang Subject: Re: Linux 6.1.120 Message-ID: <20241216-comic-handling-3bcf108cc465@wendy> References: <2024121411-multiple-activist-51a1@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="qYEnv7TJdfBvOmAb" Content-Disposition: inline In-Reply-To: <2024121411-multiple-activist-51a1@gregkh> --qYEnv7TJdfBvOmAb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Dec 14, 2024 at 09:53:13PM +0100, Greg Kroah-Hartman wrote: > I'm announcing the release of the 6.1.120 kernel. >=20 > All users of the 6.1 kernel series must upgrade. >=20 > The updated 6.1.y git tree can be found at: > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git li= nux-6.1.y > and can be browsed at the normal kernel.org git web browser: > https://git.kernel.org/?p=3Dlinux/kernel/git/stable/linux-stable.git;a= =3Dsummary >=20 > thanks, >=20 > greg k-h >=20 > ------------ > Zqiang (1): > rcu-tasks: Fix access non-existent percpu rtpcp variable in rcu_tas= ks_need_gpcb() I was AFK last week so I missed reporting this, but on riscv this patch causes: [ 0.145463] BUG: sleeping function called from invalid context at includ= e/linux/sched/mm.h:274 [ 0.155273] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, na= me: swapper/0 [ 0.164160] preempt_count: 1, expected: 0 [ 0.168716] RCU nest depth: 0, expected: 0 [ 0.173370] 1 lock held by swapper/0/1: [ 0.177726] #0: ffffffff81494d78 (rcu_tasks.cbs_gbl_lock){....}-{2:2}, = at: cblist_init_generic+0x2e/0x374 [ 0.188768] irq event stamp: 718 [ 0.192439] hardirqs last enabled at (717): [] _raw_s= pin_unlock_irqrestore+0x34/0x5e [ 0.203098] hardirqs last disabled at (718): [] _raw_s= pin_lock_irqsave+0x24/0x60 [ 0.213254] softirqs last enabled at (0): [] copy_pro= cess+0x50c/0xdac [ 0.222445] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 0.229551] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.119-00350-g224= fd631c41b #1 [ 0.238330] Hardware name: Microchip PolarFire-SoC Icicle Kit (DT) [ 0.245329] Call Trace: [ 0.248113] [] show_stack+0x2c/0x38 [ 0.253868] [] dump_stack_lvl+0x5e/0x80 [ 0.260022] [] dump_stack+0x14/0x20 [ 0.265768] [] __might_resched+0x200/0x20a [ 0.272217] [] __might_sleep+0x3c/0x68 [ 0.278258] [] __kmem_cache_alloc_node+0x64/0x240 [ 0.285385] [] __kmalloc+0xc0/0x180 [ 0.291140] [] cblist_init_generic+0x84/0x374 [ 0.297857] [] rcu_spawn_tasks_kthread+0x1c/0x72 [ 0.304888] [] rcu_init_tasks_generic+0x20/0x12e [ 0.311902] [] kernel_init_freeable+0x56/0xa8 [ 0.318638] [] kernel_init+0x1a/0x18e [ 0.324574] [] ret_from_exception+0x0/0x1a Reverting it fixed the problem. Cheers, Conor. --qYEnv7TJdfBvOmAb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZ2Ap+gAKCRB4tDGHoIJi 0hqZAP9vytzuouW03UAW50wsdUiu7UWmL0iZGfczix8VqRfDnwD9F1Pp3Bt39Wpb baXVGpu/yk67xIFig53m9w561Z6qqwI= =U7cW -----END PGP SIGNATURE----- --qYEnv7TJdfBvOmAb--