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Jan Beulich a502d39814 xen-blkback: don't leak persistent grants from xen_blkbk_map() 
commit a846738f8c3788d846ed1f587270d2f2e3d32432 upstream.

The fix for XSA-365 zapped too many of the ->persistent_gnt[] entries.
Ones successfully obtained should not be overwritten, but instead left
for xen_blkbk_unmap_prepare() to pick up and put.

This is XSA-371.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: stable@vger.kernel.org
Reviewed-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Wei Liu <wl@xen.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-04-12 12:53:32 +08:00
..
aoe Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
drbd Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mtip32xx Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
paride Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rsxx block: rsxx: fix error return code of rsxx_pci_probe() 2021-04-12 12:53:11 +08:00
xen-blkback xen-blkback: don't leak persistent grants from xen_blkbk_map() 2021-04-12 12:53:32 +08:00
zram zram: fix return value on writeback_store 2021-04-12 12:53:11 +08:00
Kconfig block: rsxx: select CONFIG_CRC32 2021-04-12 12:51:19 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
amiflop.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ataflop.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
brd.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
cryptoloop.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
floppy.c floppy: reintroduce O_NDELAY fix 2021-04-12 12:52:37 +08:00
loop.c block: loop: set discard granularity and alignment for block device backed loop 2021-03-16 16:35:09 +08:00
loop.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
nbd.c nbd: handle device refs for DESTROY_ON_DISCONNECT properly 2021-04-12 12:52:44 +08:00
null_blk.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
null_blk_main.c null_blk: fix passing of REQ_FUA flag in null_handle_rq 2021-03-16 16:35:02 +08:00
null_blk_zoned.c null_blk: Fix zone size initialization 2021-03-16 16:43:51 +08:00
pktcdvd.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ps3disk.c ps3disk: use the default segment boundary 2021-03-16 16:30:01 +08:00
ps3vram.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rbd.c rbd: require global CAP_SYS_ADMIN for mapping and unmapping 2021-03-16 16:36:06 +08:00
rbd_types.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
skd_main.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
skd_s1120.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sunvdc.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
swim.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
swim3.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
swim_asm.S Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sx8.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
umem.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
umem.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
virtio_blk.c block: virtio_blk: fix handling single range discard request 2021-03-16 16:35:00 +08:00
xen-blkfront.c xen-blkfront: allow discard-* nodes to be optional 2021-04-12 12:51:45 +08:00
xsysace.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
z2ram.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00