diff options
author | Koen Vandeputte <koen.vandeputte@ncentric.com> | 2020-05-11 12:07:06 +0200 |
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committer | Koen Vandeputte <koen.vandeputte@ncentric.com> | 2020-05-12 12:36:28 +0200 |
commit | 7dd2d7289a06ac742cfce5dbc9c583146b2c4a9c (patch) | |
tree | dfca30413303b6988cf4f69879b6ac0b1ff811e1 /target/linux/generic/hack-4.19 | |
parent | ef2d5a2ab46c44ad4145488913ac9d0bbb8c69df (diff) | |
download | openwrt-7dd2d7289a06ac742cfce5dbc9c583146b2c4a9c.tar.gz openwrt-7dd2d7289a06ac742cfce5dbc9c583146b2c4a9c.tar.bz2 openwrt-7dd2d7289a06ac742cfce5dbc9c583146b2c4a9c.zip |
kernel: bump 4.19 to 4.19.122
Refreshed all patches.
Remove upstreamed:
- 551-loop-Better-discard-support-for-block-devices.patch
Fixed:
- CVE-2020-11884
- CVE-2020-12114
- CVE-2019-3016
- CVE-2020-11669
Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Diffstat (limited to 'target/linux/generic/hack-4.19')
3 files changed, 3 insertions, 104 deletions
diff --git a/target/linux/generic/hack-4.19/550-loop-Report-EOPNOTSUPP-properly.patch b/target/linux/generic/hack-4.19/550-loop-Report-EOPNOTSUPP-properly.patch index 023de0078d..c05297f45a 100644 --- a/target/linux/generic/hack-4.19/550-loop-Report-EOPNOTSUPP-properly.patch +++ b/target/linux/generic/hack-4.19/550-loop-Report-EOPNOTSUPP-properly.patch @@ -18,7 +18,7 @@ Reviewed-by: Bart Van Assche <bvanassche@acm.org> --- a/drivers/block/loop.c +++ b/drivers/block/loop.c -@@ -460,7 +460,7 @@ static void lo_complete_rq(struct reques +@@ -461,7 +461,7 @@ static void lo_complete_rq(struct reques if (!cmd->use_aio || cmd->ret < 0 || cmd->ret == blk_rq_bytes(rq) || req_op(rq) != REQ_OP_READ) { if (cmd->ret < 0) @@ -27,7 +27,7 @@ Reviewed-by: Bart Van Assche <bvanassche@acm.org> goto end_io; } -@@ -1904,7 +1904,10 @@ static void loop_handle_cmd(struct loop_ +@@ -1924,7 +1924,10 @@ static void loop_handle_cmd(struct loop_ failed: /* complete non-aio request */ if (!cmd->use_aio || ret) { diff --git a/target/linux/generic/hack-4.19/551-loop-Better-discard-support-for-block-devices.patch b/target/linux/generic/hack-4.19/551-loop-Better-discard-support-for-block-devices.patch deleted file mode 100644 index ac393e5f13..0000000000 --- a/target/linux/generic/hack-4.19/551-loop-Better-discard-support-for-block-devices.patch +++ /dev/null @@ -1,101 +0,0 @@ -From 3117c3f45edbcc269baaebd3d13f39b7bf884aa6 Mon Sep 17 00:00:00 2001 -From: Evan Green <evgreen@chromium.org> -Date: Thu, 14 Nov 2019 15:50:08 -0800 -Subject: loop: Better discard support for block devices - -If the backing device for a loop device is itself a block device, -then mirror the "write zeroes" capabilities of the underlying -block device into the loop device. Copy this capability into both -max_write_zeroes_sectors and max_discard_sectors of the loop device. - -The reason for this is that REQ_OP_DISCARD on a loop device translates -into blkdev_issue_zeroout(), rather than blkdev_issue_discard(). This -presents a consistent interface for loop devices (that discarded data -is zeroed), regardless of the backing device type of the loop device. -There should be no behavior change for loop devices backed by regular -files. - -This change fixes blktest block/003, and removes an extraneous -error print in block/013 when testing on a loop device backed -by a block device that does not support discard. - -Signed-off-by: Evan Green <evgreen@chromium.org> -Reviewed-by: Gwendal Grignou <gwendal@chromium.org> -Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> ---- - drivers/block/loop.c | 40 +++++++++++++++++++++++++++++----------- - 1 file changed, 29 insertions(+), 11 deletions(-) - ---- a/drivers/block/loop.c -+++ b/drivers/block/loop.c -@@ -426,11 +426,12 @@ static int lo_fallocate(struct loop_devi - * information. - */ - struct file *file = lo->lo_backing_file; -+ struct request_queue *q = lo->lo_queue; - int ret; - - mode |= FALLOC_FL_KEEP_SIZE; - -- if ((!file->f_op->fallocate) || lo->lo_encrypt_key_size) { -+ if (!blk_queue_discard(q)) { - ret = -EOPNOTSUPP; - goto out; - } -@@ -863,6 +864,21 @@ static void loop_config_discard(struct l - struct file *file = lo->lo_backing_file; - struct inode *inode = file->f_mapping->host; - struct request_queue *q = lo->lo_queue; -+ struct request_queue *backingq; -+ -+ /* -+ * If the backing device is a block device, mirror its zeroing -+ * capability. REQ_OP_DISCARD translates to a zero-out even when backed -+ * by block devices to keep consistent behavior with file-backed loop -+ * devices. -+ */ -+ if (S_ISBLK(inode->i_mode) && !lo->lo_encrypt_key_size) { -+ backingq = bdev_get_queue(inode->i_bdev); -+ blk_queue_max_discard_sectors(q, -+ backingq->limits.max_write_zeroes_sectors); -+ -+ blk_queue_max_write_zeroes_sectors(q, -+ backingq->limits.max_write_zeroes_sectors); - - /* - * We use punch hole to reclaim the free space used by the -@@ -870,22 +886,24 @@ static void loop_config_discard(struct l - * encryption is enabled, because it may give an attacker - * useful information. - */ -- if ((!file->f_op->fallocate) || -- lo->lo_encrypt_key_size) { -+ } else if ((!file->f_op->fallocate) || lo->lo_encrypt_key_size) { - q->limits.discard_granularity = 0; - q->limits.discard_alignment = 0; - blk_queue_max_discard_sectors(q, 0); - blk_queue_max_write_zeroes_sectors(q, 0); -- blk_queue_flag_clear(QUEUE_FLAG_DISCARD, q); -- return; -- } - -- q->limits.discard_granularity = inode->i_sb->s_blocksize; -- q->limits.discard_alignment = 0; -+ } else { -+ q->limits.discard_granularity = inode->i_sb->s_blocksize; -+ q->limits.discard_alignment = 0; - -- blk_queue_max_discard_sectors(q, UINT_MAX >> 9); -- blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> 9); -- blk_queue_flag_set(QUEUE_FLAG_DISCARD, q); -+ blk_queue_max_discard_sectors(q, UINT_MAX >> 9); -+ blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> 9); -+ } -+ -+ if (q->limits.max_write_zeroes_sectors) -+ blk_queue_flag_set(QUEUE_FLAG_DISCARD, q); -+ else -+ blk_queue_flag_clear(QUEUE_FLAG_DISCARD, q); - } - - static void loop_unprepare_queue(struct loop_device *lo) diff --git a/target/linux/generic/hack-4.19/902-debloat_proc.patch b/target/linux/generic/hack-4.19/902-debloat_proc.patch index dd390f39bd..800c32e10c 100644 --- a/target/linux/generic/hack-4.19/902-debloat_proc.patch +++ b/target/linux/generic/hack-4.19/902-debloat_proc.patch @@ -232,7 +232,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> if (!pe) --- a/mm/vmalloc.c +++ b/mm/vmalloc.c -@@ -2752,6 +2752,8 @@ static const struct seq_operations vmall +@@ -2764,6 +2764,8 @@ static const struct seq_operations vmall static int __init proc_vmalloc_init(void) { |