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Fri, 23 Oct 2026 15:44:12 -0700 (PDT) Received: from [10.67.48.245] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-91c47a6d598sm6300606d6.3.2026.10.23.15.44.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 23 Oct 2026 15:44:11 -0700 (PDT) Message-ID: <7540e723-054e-43a2-859d-616010fc7bea@gmail.com> Date: Fri, 23 Oct 2026 15:44:07 -0700 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 7.2 000/242] 7.2.13-rc1 review To: Salvatore Bonaccorso , Pavel Machek , Greg Kroah-Hartman , "stable # v4 . 9+" Cc: patches@lists.linux.dev, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, jonathanh@nvidia.com, sudipm.mukherjee@gmail.com, rwarsow@gmx.de, conor@kernel.org, hargar@microsoft.com, broonie@kernel.org, achill@achill.org, sr@sladewatkins.com References: <20261023163713.816071858@linuxfoundation.org> Content-Language: en-US, fr-FR From: Florian Fainelli In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/23/26 14:34, Salvatore Bonaccorso wrote: > Hi, > > On Fri, Oct 23, 2026 at 10:44:26PM +0200, Pavel Machek wrote: >> Hi! >> >>> This is the start of the stable review cycle for the 7.2.13 release. >>> There are 242 patches in this series, all will be posted as a response >>> to this one. If anyone has any issues with these being applied, please >>> let me know. >> >> Either something went very wrong with our testing, or this fails on >> all our targets. 6.18.59-rc1 does not seem to have those widespread >> failures. >> >> https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/pipelines/2982452623 >> >> Example failure is: >> >> I'll look some more to try to figure out what is going on there. >> >> Best regards, >> >> Pavel >> >> >> [ 1.238864] Yama: becoming mindful. >> L426[ 1.238864] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) >> L427[ 1.238864] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) >> L428[ 1.238864] VFS: Finished mounting rootfs on nullfs >> L431[ 1.238864] BUG: kernel NULL pointer dereference, address: 000000000000002c >> L436[ 1.238864] #PF: supervisor write access in kernel mode >> L437[ 1.238864] #PF: error_code(0x0002) - not-present page >> L438[ 1.238864] PGD 0 P4D 0 >> L441[ 1.238864] Oops: Oops: 0002 [#1] SMP PTI >> L446[ 1.238864] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G S 7.2.13-rc1+ #1 PREEMPT(lazy) >> L447[ 1.238864] Tainted: [S]=CPU_OUT_OF_SPEC >> L448[ 1.238864] Hardware name: SIEMENS AG SIMATIC IPC227E/A5E42630598, BIOS V20.01.11 03/15/2018 >> L449[ 1.238864] RIP: 0010:rest_init+0x33/0xd0 >> L450[ 1.238864] Code: 34 ff ba 00 02 00 00 31 f6 48 c7 c7 70 a2 e6 b2 e8 52 d3 28 ff 89 c3 e8 bb 2d 34 ff 89 df 48 c7 c6 80 db 85 b3 e8 9d d7 2b ff <81> 48 2c 00 00 00 04 65 8b 15 63 6e 45 01 48 89 c7 89 d0 c1 ea 06 >> L451[ 1.238864] RSP: 0000:ffffffffb3803ee0 EFLAGS: 00010246 >> L452[ 1.238864] RAX: 0000000000000000 RBX: 00000000ffffffea RCX: 0000000000000000 >> L453[ 1.238864] RDX: 0000000000000000 RSI: ffffffffffffffea RDI: ffffffffffffffea >> L454[ 1.238864] RBP: ffff8cf23ffed080 R08: ffffffffb385db88 R09: ffffffffb385db80 >> L455[ 1.238864] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8cf23ffed0ab >> L456[ 1.238864] R13: 0000000000000000 R14: ffffffffb380c040 R15: 00000000b43e8000 >> L457[ 1.238864] FS: 0000000000000000(0000) GS:ffff8cf287953000(0000) knlGS:0000000000000000 >> L458[ 1.238864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> L459[ 1.238864] CR2: 000000000000002c CR3: 000000000d630000 CR4: 00000000001006f0 >> L460[ 1.238864] Call Trace: >> L461[ 1.238864] >> L462[ 1.238864] start_kernel+0x7a2/0x7b0 >> L463[ 1.238864] x86_64_start_reservations+0x24/0x30 >> L464[ 1.238864] x86_64_start_kernel+0xcd/0xd0 >> L465[ 1.238864] common_startup_64+0x13e/0x158 >> L466[ 1.238864] >> L467[ 1.238864] Modules linked in: >> L468[ 1.238864] CR2: 000000000000002c >> L469[ 1.238864] ---[ end trace 0000000000000000 ]--- >> L470[ 1.238864] RIP: 0010:rest_init+0x33/0xd0 > > Same here indepently, but not yet bisected. Same here as well, bisected down to: a0c935bd1f76 ("fs: add umh argument to struct kernel_clone_args"), it looks like we need to cherry-pick 14adbd5341aa ("fs: stop sharing fs_struct between init_task and pid 1"), with that I can boot a kernel. [ 0.050862] VFS: Finished mounting rootfs on nullfs [ 0.056357] Unable to handle kernel NULL pointer dereference at virtual address 000000000000002c [ 0.065711] Mem abort info: [ 0.068679] ESR = 0x0000000096000004 [ 0.072657] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.078323] SET = 0, FnV = 0 [ 0.081587] EA = 0, S1PTW = 0 [ 0.084930] FSC = 0x04: level 0 translation fault [ 0.090117] Data abort info: [ 0.093189] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 0.099019] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 0.104380] GCS = 0, Overlay = 0, DirtyBit = 0 [ 0.109297] [000000000000002c] user address but active_mm is swapper [ 0.116061] Internal error: Oops: 0000000096000004 [#1] SMP [ 0.122056] Modules linked in: [ 0.125308] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.2.13-rc1-gd1c66ab3e3bd #2 PREEMPTLAZY [ 0.135124] Hardware name: BCM97268SV (DT) [ 0.139473] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 0.146859] pc : rest_init+0x4c/0xf0 [ 0.150659] lr : rest_init+0x4c/0xf0 [ 0.154461] sp : ffff800083133e30 [ 0.157982] x29: ffff800083133e30 x28: 0000000000000000 x27: 0000000000000000 [ 0.165565] x26: ffff00001a5e2e40 x25: 0000000000000000 x24: ffff800080fc0000 [ 0.173157] x23: ffff800083137a00 x22: ffff800083140e40 x21: ffff00001a5d1700 [ 0.180774] x20: 00000000ffffffea x19: ffff80008314f300 x18: 0000000000000006 [ 0.188374] x17: 0000000000001000 x16: 0000000000000000 x15: 000000000000cfff [ 0.195966] x14: ffffffffffff8000 x13: 0000000000000000 x12: ffff8000832fed50 [ 0.203548] x11: 0000000000000040 x10: ffff80008314f308 x9 : ffff80008314f300 [ 0.211165] x8 : 0000000000000000 x7 : 000000004308a007 x6 : 0000000000000000 [ 0.218757] x5 : ffff800083276900 x4 : ffff800083133cb8 x3 : 0000000000000000 [ 0.226356] x2 : 0000000000000000 x1 : ffffffffffffffea x0 : 0000000000000000 [ 0.233914] Call trace: [ 0.236505] rest_init+0x4c/0xf0 (P) [ 0.240302] start_kernel+0x6dc/0x810 [ 0.244204] __primary_switched+0x88/0x98 [ 0.248449] Code: 910c0273 aa1303e1 2a1403e0 97c30fa2 (b9402c04) [ 0.254926] ---[ end trace 0000000000000000 ]--- [ 0.259849] Kernel panic - not syncing: Attempted to kill the idle task! [ 0.266980] ---[ end Kernel panic - not syncing: Attempted to kill the idle task! ]--- -- Florian