From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f78.google.com (mail-ot1-f78.google.com [209.85.210.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D06A314B72 for ; Mon, 17 Aug 2026 07:46:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786952790; cv=none; b=UrUtT/Fz6bjpNd97idjRYhH8YcaTikQumtbhB/+scx+KeXCd4W2DoCb15F6/zibJl+vXqRCMdY5igXFrgzkBQtyUv/hIgbj8FmbNwB88BviKJ1o5aEZOWzBIc0mL3qo6PCwJU4Wfoqm0YJPi5a1XOFlj7i16YY+VC2vPYJmHKdo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786952790; c=relaxed/simple; bh=HGpAnMCZD+ikVev/WPttfuQdj/EliM09Qrbrrwn4oEo=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SO8V3QdRGejv0zdfAOc//EJhTIpJl79/6FlCbY9x8cWiD/3OGirar2vIi4q84h3HqqWeRcdS/nw/yZLEZKz7vuTqHSSSyx1Cq04/5XP052bJWwIJLufSHhExCQcYeLE+SNeop4FHDct445ODCd2nxTuJOqD8sw5A+0M4nhlnx0Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.210.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-ot1-f78.google.com with SMTP id 46e09a7af769-7e9e0e71e05so4520509a34.2 for ; Mon, 17 Aug 2026 00:46:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786952788; x=1787557588; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=S/5lc5qytsZVKJTVf4RxI+Gbt4q2OL5is9f5h20Ppd8=; b=XHPDmiKOC6jDGm80aEKVXDrvN5qQCFjTLunsRo2d/oK4IDWSz7/tgk0Eje4Rb7R177 eLqd1Vx00uJGKqnkaG2aIBdgTDNiGsqdo+dM5x5yawCB1wM9XlZxTH9yARf0xt+qbS5x 2Q9YVpw9w8H0NDGDXBzCq4/ezRV1pQC40yW3W6vKLLsIH6dUG/tWCAYJAbpcdNIUGJVw hudy9RsJkRIQgt4agqW+0NLT+udxfSB2DFo8dgLoyLsqqGAsRaAB9qVFZymA9jxo16yR vCtWs91NlMt0tWsClsDwjQSAQHodzaWpQEUF85KK6aEIy9LAWejxk7Cb62PrZHpLCx10 Rvlw== X-Forwarded-Encrypted: i=1; AHgh+Rpu1LRwWXgG7p/Ze3WiiriJhTAjwm8DmMxrYTvz2+A6OYG/RK6rh5BKiR2HdJvXL8fn1OBUrhrZSl9Uoxo=@vger.kernel.org X-Gm-Message-State: AOJu0Yx6eBcOfxnKkuTo8iSEwYwj1Dq/E0Ep7aLBYWY7brXNQ2jUXNMp gMV7EeRQ5iOvhtR/TaJKoPvRhSedabCO8kA/Vq9TY/Qe3Q+BSN/nOIe6+TsfXoHWVUr6qIYxLvx McheFJCJd97OgXNaLs69lzK7m1Y9++5k87mbS4U7IxARabtpqUEXUvqWFUII= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1626:b0:6aa:d6bd:f6e5 with SMTP id 006d021491bc7-6b0d69715fbmr17951342eaf.35.1786952788058; Mon, 17 Aug 2026 00:46:28 -0700 (PDT) Date: Mon, 17 Aug 2026 00:46:28 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a82bc54.10853dc7.22f513.001b.GAE@google.com> Subject: [syzbot] [ide?] Internal error in ata_sff_freeze From: syzbot To: cassel@kernel.org, dlemoal@kernel.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 2f1baf1fc892 Merge tag 'trace-v7.2-rc7' of git://git.kerne.. git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master console output: https://syzkaller.appspot.com/x/log.txt?x=1564469e580000 kernel config: https://syzkaller.appspot.com/x/.config?x=97ba2e017420cdcb dashboard link: https://syzkaller.appspot.com/bug?extid=891c7b195b408052e519 compiler: aarch64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/fa3fbcfdac58/non_bootable_disk-2f1baf1f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2b4adcfb67df/vmlinux-2f1baf1f.xz kernel image: https://storage.googleapis.com/syzbot-assets/72646a392f58/Image-2f1baf1f.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+891c7b195b408052e519@syzkaller.appspotmail.com EXT4-fs (vda): shut down requested (2) Aborting journal on device vda-8. Internal error: synchronous external abort: 0000000096000050 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 14268 Comm: syz.1.3901 Tainted: G M syzkaller #0 PREEMPT Tainted: [M]=MACHINE_CHECK Hardware name: linux,dummy-virt (DT) pstate: 814020c9 (Nzcv daIF +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : __raw_writeb arch/arm64/include/asm/io.h:29 [inline] pc : writeb include/asm-generic/io.h:265 [inline] pc : iowrite8 include/asm-generic/io.h:924 [inline] pc : ata_sff_set_devctl drivers/ata/libata-sff.c:233 [inline] pc : ata_sff_freeze+0x7c/0x90 drivers/ata/libata-sff.c:1606 lr : __ata_port_freeze drivers/ata/libata-eh.c:1124 [inline] lr : ata_eh_freeze_port+0x34/0x5c drivers/ata/libata-eh.c:1167 sp : ffff800083c83960 x29: ffff800083c83960 x28: fdf0000006125500 x27: 0000000000000000 x26: 0000000000000001 x25: ffff800081f190d0 x24: ffff800082753b40 x23: 0000000000000000 x22: 0000000000000000 x21: f3f000003c8c0000 x20: 0000000000000000 x19: f3f000003c8c0000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: f3f000003c8c23f6 x14: 0000000000000000 x13: 000000000006bb51 x12: ffff80007fffffff x11: fff00000030ea808 x10: 000000800000c000 x9 : 0000000000000000 x8 : fcf0000004ada000 x7 : ffffc1ffc012b640 x6 : 0000000000000001 x5 : 00000c0000000000 x4 : ffffc1ffc012b640 x3 : ffff800082ceb208 x2 : 0000000000000000 x1 : 000000000000000a x0 : ffff8000885b1002 Call trace: writeb include/asm-generic/io.h:264 [inline] (P) iowrite8 include/asm-generic/io.h:924 [inline] (P) ata_sff_set_devctl drivers/ata/libata-sff.c:233 [inline] (P) ata_sff_freeze+0x7c/0x90 drivers/ata/libata-sff.c:1606 (P) __ata_port_freeze drivers/ata/libata-eh.c:1124 [inline] ata_eh_freeze_port+0x34/0x5c drivers/ata/libata-eh.c:1167 ata_host_start+0x13c/0x228 drivers/ata/libata-core.c:6041 ata_pci_sff_activate_host+0x50/0x340 drivers/ata/libata-sff.c:2275 ata_pci_init_one+0x19c/0x1d8 drivers/ata/libata-sff.c:2402 ata_pci_bmdma_init_one+0x14/0x20 drivers/ata/libata-sff.c:3170 ata_generic_init_one+0xc4/0x1ac drivers/ata/ata_generic.c:209 local_pci_probe+0x40/0xa8 drivers/pci/pci-driver.c:332 pci_call_probe drivers/pci/pci-driver.c:394 [inline] __pci_device_probe drivers/pci/pci-driver.c:455 [inline] pci_device_probe+0xd8/0x288 drivers/pci/pci-driver.c:489 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0xbc/0x2bc drivers/base/dd.c:706 __driver_probe_device+0x118/0x16c drivers/base/dd.c:868 device_driver_attach+0x48/0xb4 drivers/base/dd.c:1203 bind_store+0x7c/0xd8 drivers/base/bus.c:267 drv_attr_store+0x24/0x40 drivers/base/bus.c:125 sysfs_kf_write+0x7c/0x98 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x138/0x200 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x244/0x36c fs/read_write.c:687 ksys_write+0x70/0x108 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x1c/0x30 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x54/0x10c arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:121 do_el0_svc+0x1c/0x34 arch/arm64/kernel/syscall.c:140 el0_svc+0x38/0x1fc arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0xa0/0xf0 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:594 Code: d65f03c0 f9404800 b4fffe60 d50332bf (39000001) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d65f03c0 ret 4: f9404800 ldr x0, [x0, #144] 8: b4fffe60 cbz x0, 0xffffffffffffffd4 c: d50332bf dmb oshst * 10: 39000001 strb w1, [x0] <-- trapping instruction --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup