| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <b9ceba24-345e-20dc-783b-3759a9819359@bell.net>
Date: Wed, 13 Sep 2023 17:22:33 -0400
From: John David Anglin <dave.anglin@...l.net>
To: Helge Deller <deller@....de>,
James Bottomley <James.Bottomley@...senPartnership.com>,
Damien Le Moal <dlemoal@...nel.org>
Cc: linux-parisc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-kbuild@...r.kernel.org,
Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] linux/export: fix reference to exported functions for
parisc64
On 2023-09-13 1:58 p.m., John David Anglin wrote:
> On 2023-09-12 5:53 p.m., John David Anglin wrote:
>> On 2023-09-10 5:30 p.m., John David Anglin wrote:
>>> Hi Masahiro,
>>>
>>> The attached change fixed boot at ddb5cdbafaaa 😁
>>>
>>> However, v6.5.x boot is still broken:
>>>
>>> Run /init as init process
>>> process '/usr/bin/sh' started with executable stack
>>> Loading, please wait...
>>> Starting systemd-udevd version 254.1-3
>>> e1000 alternatives: applied 0 out of 569 patches
>>> e1000: Intel(R) PRO/1000 Network Driver
>>> e1000: Copyright (c) 1999-2006 Intel Corporation.
>>> scsi_mod alternatives: applied 0 out of 7 patches
>>> SCSI subsystem initialized
>>> usbcore alternatives: applied 0 out of 18 patches
>>> usbcore: registered new interface driver usbfs
>>> libata alternatives: applied 0 out of 3 patches
>>> usbcore: registered new interface driver hub
>>> usbcore: registered new device driver usb
>>> mptbase alternatives: applied 0 out of 73 patches
>>> ehci_hcd alternatives: applied 0 out of 114 patches
>>> sata_sil24 alternatives: applied 0 out of 56 patches
>>> Fusion MPT base driver 3.04.20
>>> Copyright (c) 1999-2008 LSI Corporation
>>> sata_sil24 0000:00:01.0: Applying completion IRQ loss on PCI-X errata fix
>>> scsi host0: sata_sil24
>>> scsi host1: sata_sil24
>>> pata_sil680 0000:60:02.0: sil680: 133MHz clock.
>>> scsi host2: sata_sil24
>>> ehci_pci alternatives: applied 0 out of 2 patches
>>> ohci_hcd alternatives: applied 0 out of 144 patches
>>> ehci-pci 0000:60:01.2: EHCI Host Controller
>>> scsi host3: pata_sil680
>>> ehci-pci 0000:60:01.2: new USB bus registered, assigned bus number 1
>>> scsi host4: sata_sil24
>>> ata1: SATA max UDMA/100 host m128@...fffffff80088000 port 0xffffffff80080000 ir6
>>> ata2: SATA max UDMA/100 host m128@...fffffff80088000 port 0xffffffff80082000 ir6
>>> ata3: SATA max UDMA/100 host m128@...fffffff80088000 port 0xffffffff80084000 ir6
>>> ata4: SATA max UDMA/100 host m128@...fffffff80088000 port 0xffffffff80086000 ir6
>>> e1000 0000:60:03.0 eth0: (PCI:33MHz:32-bit) 00:11:0a:31:8a:77
>>> ehci-pci 0000:60:01.2: irq 71, io mem 0xffffffffb00a1000
>>> scsi host5: pata_sil680
>>> ata5: PATA max UDMA/133 cmd 0x26058 ctl 0x26064 bmdma 0x26040 irq 72
>>> ata6: PATA max UDMA/133 cmd 0x26050 ctl 0x26060 bmdma 0x26048 irq 72
>>> e1000 0000:60:03.0 eth0: Intel(R) PRO/1000 Network Connection
>>> ehci-pci 0000:60:01.2: USB 2.0 started, EHCI 0.95
>>> usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.05
>>> usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>>> usb usb1: Product: EHCI Host Controller
>>> usb usb1: Manufacturer: Linux 6.5.2-dirty ehci_hcd
>>> usb usb1: SerialNumber: 0000:60:01.2
>>> hub 1-0:1.0: USB hub found
>>> hub 1-0:1.0: 5 ports detected
>>> ata1: SATA link down (SStatus 0 SControl 0)
>>> ata2: SATA link down (SStatus 0 SControl 0)
>>> ata3: SATA link down (SStatus 0 SControl 0)
>>> ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
>>> ata4.00: ATA-10: ST4000VN008-2DR166, SC60, max UDMA/133
>>> ata4.00: 7814037168 sectors, multi 0: LBA48 NCQ (depth 31/32)
>>> ata4.00: configured for UDMA/100
>>> scsi 4:0:0:0: Direct-Access ATA ST4000VN008-2DR1 SC60 PQ: 0 ANSI: 5
>>> ata6.00: ATAPI: HL-DT-STDVD+-RW GSA-H21L, 1.04, max UDMA/44
>>> scsi 5:0:0:0: CD-ROM HL-DT-ST DVD+-RW GSA-H21L 1.04 PQ: 0 ANSI: 5
>>> random: crng init done
>>> Timed out for waiting the udev queue being empty.
>>> Begin: Loading essential drivers ... done.
>>> Begin: Running /scripts/init-premount ... done.
>>> Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
>>> Begin: Running /scripts/local-premount ... done.
>>> Timed out for waiting the udev queue being empty.
>>> Begin: Waiting for root file system ... Begin: Running /scripts/local-block ....
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> Begin: Running /scripts/local-block ... done.
>>> done.
>>> Gave up waiting for root file system device. Common problems:
>>> - Boot args (cat /proc/cmdline)
>>> - Check rootdelay= (did the system wait long enough?)
>>> - Missing modules (cat /proc/modules; ls /dev)
>>> ALERT! LABEL=ROOT does not exist. Dropping to a shell!
>>> Rebooting automatically due to panic= boot argument
>>>
>>> I'll see if I can find the commit that breaks 6.5.
>> I've traced this to the following merge commit:
>>
>> dave@...as:~/linux/linux$ git bisect good
>> ca7ce08d6a063e0ccb91dc57f9bc213120d0d1a7 is the first bad commit
>> commit ca7ce08d6a063e0ccb91dc57f9bc213120d0d1a7
>> Merge: 1546cd4bfda4 af92c02fb209
>> Author: Linus Torvalds <torvalds@...ux-foundation.org>
>> Date: Fri Jun 30 11:57:07 2023 -0700
>>
>> Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
>>
>> Pull SCSI updates from James Bottomley:
>> "Updates to the usual drivers (ufs, pm80xx, libata-scsi, smartpqi,
>> lpfc, qla2xxx).
>>
>> We have a couple of major core changes impacting other systems:
>>
>> - Command Duration Limits, which spills into block and ATA
>>
>> - block level Persistent Reservation Operations, which touches block,
>> nvme, target and dm
>>
>> Both of these are added with merge commits containing a cover letter
>> explaining what's going on"
>>
>> * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (187 commits)
>> scsi: core: Improve warning message in scsi_device_block()
>> scsi: core: Replace scsi_target_block() with scsi_block_targets()
>> scsi: core: Don't wait for quiesce in scsi_device_block()
>> scsi: core: Don't wait for quiesce in scsi_stop_queue()
>> scsi: core: Merge scsi_internal_device_block() and device_block()
>> scsi: sg: Increase number of devices
>> scsi: bsg: Increase number of devices
>> scsi: qla2xxx: Remove unused nvme_ls_waitq wait queue
>> scsi: ufs: ufs-pci: Add support for Intel Arrow Lake
>> scsi: sd: sd_zbc: Use PAGE_SECTORS_SHIFT
>> scsi: ufs: wb: Add explicit flush_threshold sysfs attribute
>> scsi: ufs: ufs-qcom: Switch to the new ICE API
>> scsi: ufs: dt-bindings: qcom: Add ICE phandle
>> scsi: ufs: ufs-mediatek: Set UFSHCD_QUIRK_MCQ_BROKEN_RTC quirk
>> scsi: ufs: ufs-mediatek: Set UFSHCD_QUIRK_MCQ_BROKEN_INTR quirk
>> scsi: ufs: core: Add host quirk UFSHCD_QUIRK_MCQ_BROKEN_RTC
>> scsi: ufs: core: Add host quirk UFSHCD_QUIRK_MCQ_BROKEN_INTR
>> scsi: ufs: core: Remove dedicated hwq for dev command
>> scsi: ufs: core: mcq: Fix the incorrect OCS value for the device command
>> scsi: ufs: dt-bindings: samsung,exynos: Drop unneeded quotes
>> ...
>>
>> dave@...as:~/linux/linux$ lspci
>> 00:01.0 RAID bus controller: Silicon Image, Inc. SiI 3124 PCI-X Serial ATA Controller (rev 02)
>> 40:01.0 SCSI storage controller: Broadcom / LSI 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI (rev 07)
>> 40:01.1 SCSI storage controller: Broadcom / LSI 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI (rev 07)
>> 60:01.0 USB controller: NEC Corporation OHCI USB Controller (rev 41)
>> 60:01.1 USB controller: NEC Corporation OHCI USB Controller (rev 41)
>> 60:01.2 USB controller: NEC Corporation uPD72010x USB 2.0 Controller (rev 02)
>> 60:02.0 IDE interface: Silicon Image, Inc. PCI0680 Ultra ATA-133 Host Controller (rev 02)
>> 60:03.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet Controller (rev 02)
> This was introduced by the following commit:
>
> dave@...as:~/linux/linux$ git bisect good
> 624885209f31eb9985bf51abe204ecbffe2fdeea is the first bad commit
> commit 624885209f31eb9985bf51abe204ecbffe2fdeea
> Author: Damien Le Moal <dlemoal@...nel.org>
> Date: Thu May 11 03:13:41 2023 +0200
>
> scsi: core: Detect support for command duration limits
>
> Introduce the function scsi_cdl_check() to detect if a device supports
> command duration limits (CDL). Support for the READ 16, WRITE 16, READ 32
> and WRITE 32 commands are checked using the function scsi_report_opcode()
> to probe the rwcdlp and cdlp bits as they indicate the mode page defining
> the command duration limits descriptors that apply to the command being
> tested.
>
> If any of these commands support CDL, the field cdl_supported of struct
> scsi_device is set to 1 to indicate that the device supports CDL.
>
> Support for CDL for a device is advertizes through sysfs using the new
> cdl_supported device attribute. This attribute value is 1 for a device
> supporting CDL and 0 otherwise.
>
> Signed-off-by: Damien Le Moal <dlemoal@...nel.org>
> Reviewed-by: Hannes Reinecke <hare@...e.de>
> Co-developed-by: Niklas Cassel <niklas.cassel@....com>
> Signed-off-by: Niklas Cassel <niklas.cassel@....com>
> Link: https://lore.kernel.org/r/20230511011356.227789-9-nks@flawful.org
> Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
>
> Documentation/ABI/testing/sysfs-block-device | 9 ++++
> drivers/scsi/scsi.c | 81 ++++++++++++++++++++++++++++
> drivers/scsi/scsi_scan.c | 3 ++
> drivers/scsi/scsi_sysfs.c | 2 +
> include/scsi/scsi_device.h | 3 ++
> 5 files changed, 98 insertions(+)
>
> Sometimes I see when booting a bad commit:
> [...]
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> Begin: Running /scripts/local-block ... done.
> done.
> Gave up waiting for root file system device. Common problems:
> - Boot args (cat /proc/cmdline)
> - Check rootdelay= (did the system wait long enough?)
> - Missing modules (cat /proc/modules; ls /dev)
> ALERT! LABEL=ROOT does not exist. Dropping to a shell!
> Rebooting automatically due to panic= boot argument
> ata4: SATA link down (SStatus 0 SControl 0)
> ata5: SATA link down (SStatus 0 SControl 0)
> ata6: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
> ata6.00: ATA-10: ST4000VN008-2DR166, SC60, max UDMA/133
> ata6.00: 7814037168 sectors, multi 0: LBA48 NCQ (depth 31/32)
> ata6.00: configured for UDMA/100
> scsi 5:0:0:0: Direct-Access ATA ST4000VN008-2DR1 SC60 PQ: 0 ANSI: 5
System boots master at e56b2b605799 if I disable CDL:
dave@...as:~/linux/linux$ git diff drivers/scsi/scsi.c
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index d0911bc28663..dc3a283ebd75 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -578,6 +578,8 @@ static bool scsi_cdl_check_cmd(struct scsi_device *sdev, u8 opcode, u16 sa,
int ret;
u8 cdlp;
+ return false;
+
/* Check operation code */
ret = scsi_report_opcode(sdev, buf, SCSI_CDL_CHECK_BUF_LEN, opcode, sa);
if (ret <= 0)
Dave
--
John David Anglin dave.anglin@...l.net
Powered by blists - more mailing lists