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5f97ba0c74
qemu/pc-bios/s390-ccw
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Marc Hartmayer 5f97ba0c74 pc-bios/s390-ccw: fix off-by-one error 
This error takes effect when the magic value "zIPL" is located at the
end of a block. For example if s2_cur_blk = 0x7fe18000 and the magic
value "zIPL" is located at 0x7fe18ffc - 0x7fe18fff.

Fixes: ba831b2526 ("s390-ccw: read stage2 boot loader data to find menu")
Reviewed-by: Collin Walling <walling@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Message-Id: <20200924085926.21709-2-mhartmay@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Use "<= ... - 4" instead of "< ... - 3"]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-06 19:56:56 +02:00
..
bootmap.c pc-bios/s390-ccw: fix off-by-one error 2020-10-06 19:56:56 +02:00
bootmap.h misc: Replace zero-length arrays with flexible array member (automatic) 2020-03-16 22:07:42 +01:00
bswap.h pc-bios/s390-ccw: Move byteswap functions to a separate header 2017-07-14 12:29:48 +02:00
cio.c pc-bios: s390x: cio.c cleanup and compile fix 2020-07-02 09:59:10 +02:00
cio.h pc-bios: s390x: Get rid of magic offsets into the lowcore 2020-07-02 09:59:51 +02:00
dasd-ipl.c s390-bios: Support booting from real dasd device 2019-04-12 12:40:35 +02:00
dasd-ipl.h s390-bios: Support booting from real dasd device 2019-04-12 12:40:35 +02:00
helper.h pc-bios: s390x: Make u32 ptr check explicit 2020-07-02 10:00:42 +02:00
iplb.h pc-bios/s390-ccw: define loadparm length 2018-06-18 15:08:44 +02:00
jump2ipl.c pc-bios: s390x: Use PSW masks where possible and introduce PSW_MASK_SHORT_ADDR 2020-07-02 10:00:32 +02:00
libc.c pc-bios/s390-ccw: Clean up harmless misuse of isdigit() 2019-05-08 10:52:14 +02:00
libc.h s390-bios: cio error handling 2019-04-12 12:40:35 +02:00
main.c pc-bios/s390-ccw/main: Remove superfluous call to enable_subchannel() 2020-10-06 19:36:50 +02:00
Makefile pc-bios/s390-ccw/Makefile: Compile with -std=gnu99, -fwrapv and -fno-common 2020-10-06 19:36:50 +02:00
menu.c pc-bios: s390x: Consolidate timing functions into time.h 2020-07-02 09:59:24 +02:00
netboot.mak pc-bios/s390-ccw: Generate and include dependency files in the Makefile 2020-07-02 10:00:58 +02:00
netmain.c pc-bios: s390x: Move panic() into header and add infinite loop 2020-07-02 10:00:42 +02:00
s390-arch.h pc-bios: s390x: Use PSW masks where possible and introduce PSW_MASK_SHORT_ADDR 2020-07-02 10:00:32 +02:00
s390-ccw.h pc-bios/s390-ccw: Do not bail out early if not finding a SCSI disk 2020-10-06 19:36:50 +02:00
s390-time.h pc-bios: s390x: Consolidate timing functions into time.h 2020-07-02 09:59:24 +02:00
sclp.c pc-bios/s390-ccw: fix sclp_get_loadparm_ascii 2019-11-29 09:16:02 +01:00
sclp.h misc: Replace zero-length arrays with flexible array member (automatic) 2020-03-16 22:07:42 +01:00
scsi.h pc-bios/s390-ccw: Get Block Limits VPD device data 2017-05-19 12:29:01 +02:00
start.S pc-bios: s390x: Move panic() into header and add infinite loop 2020-07-02 10:00:42 +02:00
virtio-blkdev.c pc-bios/s390-ccw: Do not bail out early if not finding a SCSI disk 2020-10-06 19:36:50 +02:00
virtio-net.c pc-bios: s390x: Move sleep and yield to helper.h 2020-07-02 09:59:51 +02:00
virtio-scsi.c pc-bios/s390-ccw: Do not bail out early if not finding a SCSI disk 2020-10-06 19:36:50 +02:00
virtio-scsi.h pc-bios/s390-ccw: Do not bail out early if not finding a SCSI disk 2020-10-06 19:36:50 +02:00
virtio.c pc-bios: s390x: Consolidate timing functions into time.h 2020-07-02 09:59:24 +02:00
virtio.h pc-bios/s390-ccw: Add virtio-net driver code 2017-07-14 12:29:48 +02:00