From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1EC4AC83013 for ; Wed, 2 Jul 2025 06:12:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9F2006B00CE; Wed, 2 Jul 2025 02:12:07 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9A2CB6B00CF; Wed, 2 Jul 2025 02:12:07 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8DFD06B00D8; Wed, 2 Jul 2025 02:12:07 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 7AA3C6B00CE for ; Wed, 2 Jul 2025 02:12:07 -0400 (EDT) Received: from smtpin29.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 32502107487 for ; Wed, 2 Jul 2025 06:12:07 +0000 (UTC) X-FDA: 83618304294.29.2CFDF07 Received: from mail-pg1-f178.google.com (mail-pg1-f178.google.com [209.85.215.178]) by imf30.hostedemail.com (Postfix) with ESMTP id 6BF3F80004 for ; Wed, 2 Jul 2025 06:12:05 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b=IEFugLFC; spf=pass (imf30.hostedemail.com: domain of naresh.kamboju@linaro.org designates 209.85.215.178 as permitted sender) smtp.mailfrom=naresh.kamboju@linaro.org; dmarc=pass (policy=none) header.from=linaro.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1751436725; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding:in-reply-to: references:dkim-signature; bh=Lb5YxQe46bQxphBc6MuoFDKPPJCKWFXEePrLvBMePn4=; b=LDJ/uHLwuIeDUT7TXdqsRv4QRlj2QLjNB1X68vXXwV70ZYzklAGqfgI7pgBuOoVzdeCxfW sS2nEKbcye7pwmnnnvJ+epTr1uUGNcjhM+8B41Nmst/GX9ojWt31cVp0+MY3cJmPHbXJRc GDHCYbc5s1FueFqgG3vt4BXcTKBZLaY= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b=IEFugLFC; spf=pass (imf30.hostedemail.com: domain of naresh.kamboju@linaro.org designates 209.85.215.178 as permitted sender) smtp.mailfrom=naresh.kamboju@linaro.org; dmarc=pass (policy=none) header.from=linaro.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1751436725; a=rsa-sha256; cv=none; b=nZB+GGbZaWFdJ2J78Md6woRy+1xcjpUVq699FQcmrneZJsUTaYbep52csyioXvdItLaaMo sMJDDSMG88lHYJ4WrLrRmzfRrQK1cvMtg1uFS6PcY9I8rSFf7SOviX++nvZ+2S/S9Y7JC3 5dcJACg8tTfHerSX2e3udg7NobZS8Mc= Received: by mail-pg1-f178.google.com with SMTP id 41be03b00d2f7-b34c068faf8so6880462a12.2 for ; Tue, 01 Jul 2025 23:12:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751436724; x=1752041524; darn=kvack.org; h=cc:to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=Lb5YxQe46bQxphBc6MuoFDKPPJCKWFXEePrLvBMePn4=; b=IEFugLFCjSLqQDk0TdI6g1zGsEHiv79SVf1n4tMrhSLBN1s4ps06D5F08XpQL9qa4/ Sria/zJuW63FWt8B0aP26ILPEQpM9ZO2kDARNYZcT1KVshkuHZwWw5ErfvmLF4vdO16u uUohcwr2lANsWIELQvgAtweQg17hS51VXx65/Wu1GWY0OQ3yrUfyzU61j9jv4hOcpm4G Ma0L0whC1oRGzu5DzMCu4MfN8xaYEsx4swRTpUaOlkzfjZQqZG6Unfdu/2Hj1pogFUWt WmxCwo/ATcrBVB2uSljaKnMwcvEPODEHen/4WexXa0/t2bkk2Gbt3Zp4awbBSWLd0IfW /KOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751436724; x=1752041524; h=cc:to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Lb5YxQe46bQxphBc6MuoFDKPPJCKWFXEePrLvBMePn4=; b=U4afrVAEi/YECLD2g4dtLBHa79nA51KyksP5JYlN6RejXWMkqa36n9N1mhMLfIySaV PwdROWv5Fu/bCyMEN0KUWe2w6mJ+w3i/VsKZh3HCdasdrJ3G2HuFFTrMQ2+Sd+STjCsR /9PuaPE6/SKdy8pqdioK9DDsQ6CJmz9ygQnreRVPY+RSFD60ZUtNMiFAVxfOAriUTnr7 qAt6/lMntp8ns4SzmMG4H7Joi9dnEZ1BmBmItSxJQGOLyMVstj7MVrkkiQoqEFlq4DIq QWZQJl7BdybFtAR7OjGKHueI++RGXpV16LcL7qmEoiGd5+Z38F2MB+P9RL8Kdekt2I2N n+GA== X-Forwarded-Encrypted: i=1; AJvYcCWiPHqzveq7884oEdkdo9N4w8AOgu2MLXBnTQyyKIQvLK2OGKXdEF/qglWZdmVYMZvdFAtIk37HFg==@kvack.org X-Gm-Message-State: AOJu0Yym/GPbmo3bU0NsRT7C9zgsE+vxJv7pp90J1Z6Fl6thtZ/AlBma 4qTezXh8KEVlFk8wAP0i+fLj0AKAz6oxSLFWR58mpRw6z6r5Kd79KTu7kwB1esFLdfNlENKeBow ylcFOl3JfFGX9N5k2cAR67cfWYsDetlLi3cZaJVPgzQ== X-Gm-Gg: ASbGncv7kFu6e+dcVClDa4VrqSmOvMkID7ZdXARLvqisHAlelrtixDDA1yWPOzWPBH+ DWVDMBkyZ/E83SXGWJw07uyRuYSGdWQN9/obJzZBcDGtEiHnG/kjUqR2K4GHTTuVmxjv1YPA4kf zfKsCLeTeMrYUc82Yau0uzT42PbkgHfmacednBGXsuTN1Jf7gt1IecKFFAPq3/WhJDJT4A1T133 0bG X-Google-Smtp-Source: AGHT+IHX3JUg7ee48oZ+6QdweZGTrlVWpDVWHxoTFgK/+7VIbxx0s7gMnPv3DlHc+HwcPCfsDEckdYYZvu2Eo5z8yWU= X-Received: by 2002:a17:90b:3e8a:b0:308:7270:d6ea with SMTP id 98e67ed59e1d1-31a90c08754mr2480761a91.30.1751436724062; Tue, 01 Jul 2025 23:12:04 -0700 (PDT) MIME-Version: 1.0 From: Naresh Kamboju Date: Wed, 2 Jul 2025 11:41:51 +0530 X-Gm-Features: Ac12FXzksO9JByY72D4vD4KCUhmxfXeKeKtQv722paIMPONKl9_Wie1LK0cAkzg Message-ID: Subject: next-20250701: qemu-x86_64: BUG unable to handle page fault for address __cpa_flush_tlb To: open list , Linux Regressions , lkft-triage@lists.linaro.org, linux-mm Cc: Andrew Morton , Mike Rapoport , Peter Zijlstra , Dave Hansen , Andy Lutomirski , Dan Carpenter , Arnd Bergmann , Anders Roxell Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 6BF3F80004 X-Stat-Signature: hx7xum7dgcrkgamqjfc46ccopknpe5rn X-Rspam-User: X-HE-Tag: 1751436725-978028 X-HE-Meta: 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 INB2BJRi 9Rnw+zYvS/ZKypkX96w/PBUE3iKEhDqxB8DI4AH/ydGbiMKwz5lZzklavwqWnZoroIhG6nY48uRg+KfBRWnzhicejLMJqNeEXMBNiMLWAk8batCo51P3AB+mIPqVZQa6aFAt7uFmjliQYFYfO/ZO0786TG1imQO0ucPAFT89YM7xRcWQDxKB5ENwqul4sD+KpYEQCu+pDiXc5aUSRL1eoDvCLFfhFwOIKBH0lD4zXV9bI4zbv28Xp7vP9xeAm16+9o4nyZhbqXLZ3uES8cRqbQ9QAkp5mpxdGLkHTslzGnz9DJoeEukZ6o7t3pKvvuWMoaio/gdG/9oBNQavC+sFWx3wEfQmJxo091Mk/jSKJ8TBG5Jjcye6l7eceotYkwVvuw0gqs1R1Iq7om/pr3c1rPGzNFcllrfrmqVlj X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Regressions While booting the next-20250701 Linux kernel on a qemu-x86_64 virtual machine, a kernel panic is observed due to a page fault in the __cpa_flush_tlb function. Test environments: - qemu-x86_64 Regression Analysis: - New regression? Yes - Reproducibility? I need more data (Testing is in progress) Boot regression: Linux next-20250701 qemu-x86_64 BUG unable to handle page fault for address __cpa_flush_tlb Reported-by: Linux Kernel Functional Testing ## Boot log <6>[ 0.000000] Linux version 6.16.0-rc4-next-20250701 (tuxmake@tuxmake) (x86_64-linux-gnu-gcc (Debian 13.3.0-16) 13.3.0, GNU ld (GNU Binutils for Debian) 2.44) #1 SMP PREEMPT_DYNAMIC @1751364982 <6>[ 0.000000] Command line: console=ttyS0,115200 rootwait root=/dev/sda debug verbose console_msg_format=syslog systemd.log_level=warning rw earlycon <6>[ 0.000000] x86/CPU: Model not found in latest microcode list <6>[ 0.000000] BIOS-provided physical RAM map: ... <6>[ 2.292682] EXT4-fs (sda): mounted filesystem 9c9bd7ea-a7a4-4c7c-bc54-7007f029c954 r/w with ordered data mode. Quota mode: none. <6>[ 2.294012] VFS: Mounted root (ext4 filesystem) on device 8:0. <6>[ 2.296792] devtmpfs: mounted <6>[ 2.387406] Freeing unused kernel image (initmem) memory: 4092K <6>[ 2.389312] Write protecting the kernel read-only data: 32768k <6>[ 2.391640] Freeing unused kernel image (text/rodata gap) memory: 28K <1>[ 2.393647] BUG: unable to handle page fault for address: 000000000002aa97 <1>[ 2.394089] #PF: supervisor read access in kernel mode <1>[ 2.395026] #PF: error_code(0x0000) - not-present page <6>[ 2.395623] PGD 0 P4D 0 <4>[ 2.396063] Oops: Oops: 0000 [#1] SMP PTI <4>[ 2.396998] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) <4>[ 2.397726] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 <4>[ 2.398454] RIP: 0010:__cpa_flush_tlb (arch/x86/mm/pat/set_memory.c:320 arch/x86/mm/pat/set_memory.c:408) <4>[ 2.399219] Code: 1e fa 0f 1f 44 00 00 55 48 89 e5 41 54 53 48 83 7f 20 00 48 89 fb 74 5b 45 31 e4 31 ff eb 27 48 8b 13 a8 02 75 47 48 c1 e7 0c <48> 03 3a 48 01 ff 48 d1 ff e8 26 f4 ff ff 41 8d 7c 24 01 49 89 fc All code ======== 0: 1e (bad) 1: fa cli 2: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 7: 55 push %rbp 8: 48 89 e5 mov %rsp,%rbp b: 41 54 push %r12 d: 53 push %rbx e: 48 83 7f 20 00 cmpq $0x0,0x20(%rdi) 13: 48 89 fb mov %rdi,%rbx 16: 74 5b je 0x73 18: 45 31 e4 xor %r12d,%r12d 1b: 31 ff xor %edi,%edi 1d: eb 27 jmp 0x46 1f: 48 8b 13 mov (%rbx),%rdx 22: a8 02 test $0x2,%al 24: 75 47 jne 0x6d 26: 48 c1 e7 0c shl $0xc,%rdi 2a:* 48 03 3a add (%rdx),%rdi <-- trapping instruction 2d: 48 01 ff add %rdi,%rdi 30: 48 d1 ff sar $1,%rdi 33: e8 26 f4 ff ff call 0xfffffffffffff45e 38: 41 8d 7c 24 01 lea 0x1(%r12),%edi 3d: 49 89 fc mov %rdi,%r12 Code starting with the faulting instruction =========================================== 0: 48 03 3a add (%rdx),%rdi 3: 48 01 ff add %rdi,%rdi 6: 48 d1 ff sar $1,%rdi 9: e8 26 f4 ff ff call 0xfffffffffffff434 e: 41 8d 7c 24 01 lea 0x1(%r12),%edi 13: 49 89 fc mov %rdi,%r12 <4>[ 2.399698] RSP: 0000:ffffb316c00e0f78 EFLAGS: 00010046 <4>[ 2.400494] RAX: 0000000000000169 RBX: ffffb316c0013e30 RCX: ffffb316c0013e30 <4>[ 2.401577] RDX: 000000000002aa97 RSI: 000000008b09dcbb RDI: 0000000000000000 <4>[ 2.401910] RBP: ffffb316c00e0f88 R08: 000000000000546c R09: 0000000000000000 <4>[ 2.402961] R10: 0000000000000000 R11: ffffb316c00e0ff8 R12: 0000000000000000 <4>[ 2.403326] R13: ffff8e357bd2daa0 R14: ffff8e3500aaaeb8 R15: ffffffff95148f50 <4>[ 2.403927] FS: 0000000000000000(0000) GS:ffff8e35e47bc000(0000) knlGS:0000000000000000 <4>[ 2.404471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 2.404795] CR2: 000000000002aa97 CR3: 000000002ac48000 CR4: 00000000000006f0 <4>[ 2.405623] Call Trace: <4>[ 2.406562] <4>[ 2.407678] __flush_smp_call_function_queue (arch/x86/include/asm/jump_label.h:36 include/trace/events/csd.h:64 kernel/smp.c:135 kernel/smp.c:540) <4>[ 2.408101] generic_smp_call_function_single_interrupt (kernel/smp.c:458) <4>[ 2.408234] __sysvec_call_function_single (arch/x86/include/asm/jump_label.h:36 arch/x86/include/asm/trace/irq_vectors.h:98 arch/x86/kernel/smp.c:272) <4>[ 2.409077] sysvec_call_function_single (arch/x86/kernel/smp.c:266 (discriminator 35) arch/x86/kernel/smp.c:266 (discriminator 35)) <4>[ 2.409287] <4>[ 2.409408] <4>[ 2.409584] asm_sysvec_call_function_single (arch/x86/include/asm/idtentry.h:709) <4>[ 2.410108] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) <4>[ 2.410323] Code: 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 85 ef 03 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 All code ======== 0: 1f (bad) 1: 84 00 test %al,(%rax) 3: 00 00 add %al,(%rax) 5: 00 00 add %al,(%rax) 7: 0f 1f 40 00 nopl 0x0(%rax) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 85 ef 03 00 verw 0x3ef85(%rip) # 0x3efad 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: cc int3 2c: cc int3 2d: cc int3 2e: cc int3 2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 36: 00 00 00 39: 66 90 xchg %ax,%ax 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: c3 ret 1: cc int3 2: cc int3 3: cc int3 4: cc int3 5: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) c: 00 00 00 f: 66 90 xchg %ax,%ax 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop <4>[ 2.411151] RSP: 0000:ffffb316c00abea0 EFLAGS: 00010206 <4>[ 2.411522] RAX: ffff8e35e47bc000 RBX: ffff8e3500372e80 RCX: 0000000000000001 <4>[ 2.411691] RDX: ffffffff9523177d RSI: ffffffff96b9a3df RDI: 0000000000005464 <4>[ 2.412619] RBP: ffffb316c00abea8 R08: 0000000000005464 R09: 0000000000000001 <4>[ 2.412810] R10: 0000004d8989ef00 R11: 000000000548e0b3 R12: 0000000000000001 <4>[ 2.413067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 <4>[ 2.413403] ? do_idle (kernel/sched/idle.c:191 kernel/sched/idle.c:330) <4>[ 2.413737] ? default_idle (arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:757) <4>[ 2.413926] arch_cpu_idle (arch/x86/kernel/process.c:795) <4>[ 2.414072] default_idle_call (include/linux/cpuidle.h:144 kernel/sched/idle.c:123) <4>[ 2.414608] do_idle (kernel/sched/idle.c:191 kernel/sched/idle.c:330) <4>[ 2.414744] cpu_startup_entry (kernel/sched/idle.c:427) <4>[ 2.414961] start_secondary (arch/x86/kernel/smpboot.c:203 (discriminator 10) arch/x86/kernel/smpboot.c:283 (discriminator 10)) <4>[ 2.415531] common_startup_64 (arch/x86/kernel/head_64.S:419) <4>[ 2.415720] <4>[ 2.415898] Modules linked in: <4>[ 2.416303] CR2: 000000000002aa97 <4>[ 2.417490] ---[ end trace 0000000000000000 ]--- <4>[ 2.417940] RIP: 0010:__cpa_flush_tlb (arch/x86/mm/pat/set_memory.c:320 arch/x86/mm/pat/set_memory.c:408) <4>[ 2.418250] Code: 1e fa 0f 1f 44 00 00 55 48 89 e5 41 54 53 48 83 7f 20 00 48 89 fb 74 5b 45 31 e4 31 ff eb 27 48 8b 13 a8 02 75 47 48 c1 e7 0c <48> 03 3a 48 01 ff 48 d1 ff e8 26 f4 ff ff 41 8d 7c 24 01 49 89 fc All code ======== 0: 1e (bad) 1: fa cli 2: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 7: 55 push %rbp 8: 48 89 e5 mov %rsp,%rbp b: 41 54 push %r12 d: 53 push %rbx e: 48 83 7f 20 00 cmpq $0x0,0x20(%rdi) 13: 48 89 fb mov %rdi,%rbx 16: 74 5b je 0x73 18: 45 31 e4 xor %r12d,%r12d 1b: 31 ff xor %edi,%edi 1d: eb 27 jmp 0x46 1f: 48 8b 13 mov (%rbx),%rdx 22: a8 02 test $0x2,%al 24: 75 47 jne 0x6d 26: 48 c1 e7 0c shl $0xc,%rdi 2a:* 48 03 3a add (%rdx),%rdi <-- trapping instruction 2d: 48 01 ff add %rdi,%rdi 30: 48 d1 ff sar $1,%rdi 33: e8 26 f4 ff ff call 0xfffffffffffff45e 38: 41 8d 7c 24 01 lea 0x1(%r12),%edi 3d: 49 89 fc mov %rdi,%r12 Code starting with the faulting instruction =========================================== 0: 48 03 3a add (%rdx),%rdi 3: 48 01 ff add %rdi,%rdi 6: 48 d1 ff sar $1,%rdi 9: e8 26 f4 ff ff call 0xfffffffffffff434 e: 41 8d 7c 24 01 lea 0x1(%r12),%edi 13: 49 89 fc mov %rdi,%r12 <4>[ 2.418856] RSP: 0000:ffffb316c00e0f78 EFLAGS: 00010046 <4>[ 2.419172] RAX: 0000000000000169 RBX: ffffb316c0013e30 RCX: ffffb316c0013e30 <4>[ 2.419363] RDX: 000000000002aa97 RSI: 000000008b09dcbb RDI: 0000000000000000 <4>[ 2.419552] RBP: ffffb316c00e0f88 R08: 000000000000546c R09: 0000000000000000 <4>[ 2.419864] R10: 0000000000000000 R11: ffffb316c00e0ff8 R12: 0000000000000000 <4>[ 2.420309] R13: ffff8e357bd2daa0 R14: ffff8e3500aaaeb8 R15: ffffffff95148f50 <4>[ 2.420816] FS: 0000000000000000(0000) GS:ffff8e35e47bc000(0000) knlGS:0000000000000000 <4>[ 2.421298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 2.421675] CR2: 000000000002aa97 CR3: 000000002ac48000 CR4: 00000000000006f0 <0>[ 2.422354] Kernel panic - not syncing: Fatal exception in interrupt <0>[ 2.425278] Kernel Offset: 0x13e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) <0>[ 2.426205] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- ## Source * Kernel version: 6.16.0-rc4-next-20250701 * Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git * Git sha: 3f804361f3b9af33e00b90ec9cb5afcc96831e60 * Git describe: 6.16.0-rc4-next-20250701 * Architectures: arm64 * Toolchains: gcc-13 * Kconfigs: gcc-13-lkftconfig-no-kselftest-frag ## Build arm64 * Test log: https://qa-reports.linaro.org/api/testruns/28972335/log_file/ * Test LAVA log 1: https://lkft.validation.linaro.org/scheduler/job/8336872#L5891 * Test details: https://regressions.linaro.org/lkft/linux-next-master/next-20250701/log-parser-boot/panic-multiline-kernel-panic-not-syncing-fatal-exception-in-interrupt/ * Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2zGk2ZJWqj1Ukob9bJAF1Jn6uK8/ * Kernel config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2zGk2ZJWqj1Ukob9bJAF1Jn6uK8/config -- Linaro LKFT https://lkft.linaro.org