From d7dbd43f4a828fa1d9a8614d5b0ac40aee6375fe Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Mon, 14 Nov 2022 10:19:30 -0800 Subject: [PATCH 01/10] blk-cgroup: properly pin the parent in blkcg_css_online blkcg_css_online is supposed to pin the blkcg of the parent, but 397c9f46ee4d refactored things and along the way, changed it to pin the css instead. This results in extra pins, and we end up leaking blkcgs and cgroups. Fixes: 397c9f46ee4d ("blk-cgroup: move blkcg_{pin,unpin}_online out of line") Signed-off-by: Chris Mason Spotted-by: Rik van Riel Cc: # v5.19+ Acked-by: Johannes Weiner Link: https://lore.kernel.org/r/20221114181930.2093706-1-clm@fb.com Signed-off-by: Jens Axboe --- block/blk-cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 6a5c849ee061..ed761c62ad0a 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1213,7 +1213,7 @@ static int blkcg_css_online(struct cgroup_subsys_state *css) * parent so that offline always happens towards the root. */ if (parent) - blkcg_pin_online(css); + blkcg_pin_online(&parent->css); return 0; } From d5ceb4d1c50786d21de3d4b06c3f43109ec56dd8 Mon Sep 17 00:00:00 2001 From: Bean Huo Date: Mon, 14 Nov 2022 14:48:52 +0100 Subject: [PATCH 02/10] nvme-pci: add NVME_QUIRK_BOGUS_NID for Micron Nitro Added a quirk to fix Micron Nitro NVMe reporting duplicate NGUIDs. Cc: Signed-off-by: Bean Huo Signed-off-by: Christoph Hellwig --- drivers/nvme/host/pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 02b5578773a1..bf708fd5adf6 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3489,6 +3489,8 @@ static const struct pci_device_id nvme_id_table[] = { NVME_QUIRK_IGNORE_DEV_SUBNQN, }, { PCI_DEVICE(0x1344, 0x5407), /* Micron Technology Inc NVMe SSD */ .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN }, + { PCI_DEVICE(0x1344, 0x6001), /* Micron Nitro NVMe */ + .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x1c5c, 0x1504), /* SK Hynix PC400 */ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x1c5c, 0x174a), /* SK Hynix P31 SSD */ From a7a1598189228b5007369a9622ccdf587be0730f Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 15 Nov 2022 16:16:43 +0300 Subject: [PATCH 03/10] drbd: use after free in drbd_create_device() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The drbd_destroy_connection() frees the "connection" so use the _safe() iterator to prevent a use after free. Fixes: b6f85ef9538b ("drbd: Iterate over all connections") Signed-off-by: Dan Carpenter Reviewed-by: Christoph Böhmwalder Link: https://lore.kernel.org/r/Y3Jd5iZRbNQ9w6gm@kili Signed-off-by: Jens Axboe --- drivers/block/drbd/drbd_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index f3e4db16fd07..8532b839a343 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2672,7 +2672,7 @@ static int init_submitter(struct drbd_device *device) enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsigned int minor) { struct drbd_resource *resource = adm_ctx->resource; - struct drbd_connection *connection; + struct drbd_connection *connection, *n; struct drbd_device *device; struct drbd_peer_device *peer_device, *tmp_peer_device; struct gendisk *disk; @@ -2789,7 +2789,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig return NO_ERROR; out_idr_remove_from_resource: - for_each_connection(connection, resource) { + for_each_connection_safe(connection, n, resource) { peer_device = idr_remove(&connection->peer_devices, vnr); if (peer_device) kref_put(&connection->kref, drbd_destroy_connection); From 8d6e38f636ac063e8062a21e7616f7d9bf0df5d8 Mon Sep 17 00:00:00 2001 From: Tiago Dias Ferreira Date: Wed, 16 Nov 2022 00:17:56 -0300 Subject: [PATCH 04/10] nvme-pci: add NVME_QUIRK_BOGUS_NID for Netac NV7000 Added a quirk to fix the Netac NV7000 SSD reporting duplicate NGUIDs. Cc: Signed-off-by: Tiago Dias Ferreira Reviewed-by: Chaitanya Kulkarni Signed-off-by: Christoph Hellwig --- drivers/nvme/host/pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index bf708fd5adf6..f4335519399d 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3521,6 +3521,8 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, { PCI_DEVICE(0x2646, 0x501E), /* KINGSTON OM3PGP4xxxxQ OS21011 NVMe SSD */ .driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, }, + { PCI_DEVICE(0x1f40, 0x5236), /* Netac Technologies Co. NV7000 NVMe SSD */ + .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x1e4B, 0x1001), /* MAXIO MAP1001 */ .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x1e4B, 0x1002), /* MAXIO MAP1002 */ From 0a52566279b4ee65ecd2503d7b7342851f84755c Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Mon, 14 Nov 2022 08:45:02 +0200 Subject: [PATCH 05/10] nvmet: fix a memory leak in nvmet_auth_set_key When changing dhchap secrets we need to release the old secrets as well. kmemleak complaint: -- unreferenced object 0xffff8c7f44ed8180 (size 64): comm "check", pid 7304, jiffies 4295686133 (age 72034.246s) hex dump (first 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 4c 64 4c 4f 64 71 DHHC-1:00:LdLOdq 79 56 69 67 77 48 55 32 6d 5a 59 4c 7a 35 59 38 yVigwHU2mZYLz5Y8 backtrace: [<00000000b6fc5071>] kstrdup+0x2e/0x60 [<00000000f0f4633f>] 0xffffffffc0e07ee6 [<0000000053006c05>] 0xffffffffc0dff783 [<00000000419ae922>] configfs_write_iter+0xb1/0x120 [<000000008183c424>] vfs_write+0x2be/0x3c0 [<000000009005a2a5>] ksys_write+0x5f/0xe0 [<00000000cd495c89>] do_syscall_64+0x38/0x90 [<00000000f2a84ac5>] entry_SYSCALL_64_after_hwframe+0x63/0xcd Fixes: db1312dd9548 ("nvmet: implement basic In-Band Authentication") Signed-off-by: Sagi Grimberg Signed-off-by: Christoph Hellwig --- drivers/nvme/target/auth.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c index c4113b43dbfe..4dcddcf95279 100644 --- a/drivers/nvme/target/auth.c +++ b/drivers/nvme/target/auth.c @@ -45,9 +45,11 @@ int nvmet_auth_set_key(struct nvmet_host *host, const char *secret, if (!dhchap_secret) return -ENOMEM; if (set_ctrl) { + kfree(host->dhchap_ctrl_secret); host->dhchap_ctrl_secret = strim(dhchap_secret); host->dhchap_ctrl_key_hash = key_hash; } else { + kfree(host->dhchap_secret); host->dhchap_secret = strim(dhchap_secret); host->dhchap_key_hash = key_hash; } From c964d62f5cab7b43dd0534f22a96eab386c6ec5d Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Thu, 10 Nov 2022 10:44:57 -0800 Subject: [PATCH 06/10] block: make dma_alignment a stacking queue_limit Device mappers had always been getting the default 511 dma mask, but the underlying device might have a larger alignment requirement. Since this value is used to determine alloweable direct-io alignment, this needs to be a stackable limit. Signed-off-by: Keith Busch Reviewed-by: Christoph Hellwig Link: https://lore.kernel.org/r/20221110184501.2451620-2-kbusch@meta.com Signed-off-by: Jens Axboe --- block/blk-core.c | 1 - block/blk-settings.c | 8 +++++--- include/linux/blkdev.h | 15 ++++++++------- 3 files changed, 13 insertions(+), 11 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 17667159482e..5487912befe8 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -425,7 +425,6 @@ struct request_queue *blk_alloc_queue(int node_id, bool alloc_srcu) PERCPU_REF_INIT_ATOMIC, GFP_KERNEL)) goto fail_stats; - blk_queue_dma_alignment(q, 511); blk_set_default_limits(&q->limits); q->nr_requests = BLKDEV_DEFAULT_RQ; diff --git a/block/blk-settings.c b/block/blk-settings.c index 8bb9eef5310e..4949ed3ce7c9 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -57,6 +57,7 @@ void blk_set_default_limits(struct queue_limits *lim) lim->misaligned = 0; lim->zoned = BLK_ZONED_NONE; lim->zone_write_granularity = 0; + lim->dma_alignment = 511; } EXPORT_SYMBOL(blk_set_default_limits); @@ -600,6 +601,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->io_min = max(t->io_min, b->io_min); t->io_opt = lcm_not_zero(t->io_opt, b->io_opt); + t->dma_alignment = max(t->dma_alignment, b->dma_alignment); /* Set non-power-of-2 compatible chunk_sectors boundary */ if (b->chunk_sectors) @@ -773,7 +775,7 @@ EXPORT_SYMBOL(blk_queue_virt_boundary); **/ void blk_queue_dma_alignment(struct request_queue *q, int mask) { - q->dma_alignment = mask; + q->limits.dma_alignment = mask; } EXPORT_SYMBOL(blk_queue_dma_alignment); @@ -795,8 +797,8 @@ void blk_queue_update_dma_alignment(struct request_queue *q, int mask) { BUG_ON(mask > PAGE_SIZE); - if (mask > q->dma_alignment) - q->dma_alignment = mask; + if (mask > q->limits.dma_alignment) + q->limits.dma_alignment = mask; } EXPORT_SYMBOL(blk_queue_update_dma_alignment); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 50e358a19d98..9898e34b2c2d 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -311,6 +311,13 @@ struct queue_limits { unsigned char discard_misaligned; unsigned char raid_partial_stripes_expensive; enum blk_zoned_model zoned; + + /* + * Drivers that set dma_alignment to less than 511 must be prepared to + * handle individual bvec's that are not a multiple of a SECTOR_SIZE + * due to possible offsets. + */ + unsigned int dma_alignment; }; typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx, @@ -456,12 +463,6 @@ struct request_queue { unsigned long nr_requests; /* Max # of requests */ unsigned int dma_pad_mask; - /* - * Drivers that set dma_alignment to less than 511 must be prepared to - * handle individual bvec's that are not a multiple of a SECTOR_SIZE - * due to possible offsets. - */ - unsigned int dma_alignment; #ifdef CONFIG_BLK_INLINE_ENCRYPTION struct blk_crypto_profile *crypto_profile; @@ -1324,7 +1325,7 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev) static inline int queue_dma_alignment(const struct request_queue *q) { - return q ? q->dma_alignment : 511; + return q ? q->limits.dma_alignment : 511; } static inline unsigned int bdev_dma_alignment(struct block_device *bdev) From 86e4d3e8d1838ca88fb9267e669c36f6c8f7c6cd Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Thu, 10 Nov 2022 10:44:58 -0800 Subject: [PATCH 07/10] dm-crypt: provide dma_alignment limit in io_hints This device mapper needs bio vectors to be sized and memory aligned to the logical block size. Set the minimum required queue limit accordingly. Link: https://lore.kernel.org/linux-block/20221101001558.648ee024@xps.demsh.org/ Fixes: b1a000d3b8ec5 ("block: relax direct io memory alignment") Reportred-by: Eric Biggers Reported-by: Dmitrii Tcvetkov Signed-off-by: Keith Busch Reviewed-by: Mike Snitzer Link: https://lore.kernel.org/r/20221110184501.2451620-3-kbusch@meta.com Signed-off-by: Jens Axboe --- drivers/md/dm-crypt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 159c6806c19b..2653516bcdef 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -3630,6 +3630,7 @@ static void crypt_io_hints(struct dm_target *ti, struct queue_limits *limits) limits->physical_block_size = max_t(unsigned, limits->physical_block_size, cc->sector_size); limits->io_min = max_t(unsigned, limits->io_min, cc->sector_size); + limits->dma_alignment = limits->logical_block_size - 1; } static struct target_type crypt_target = { From b3228254bb6e91e57f920227f72a1a7d81925d81 Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Thu, 10 Nov 2022 10:44:59 -0800 Subject: [PATCH 08/10] block: make blk_set_default_limits() private There are no external users of this function. Signed-off-by: Keith Busch Reviewed-by: Christoph Hellwig Link: https://lore.kernel.org/r/20221110184501.2451620-4-kbusch@meta.com Signed-off-by: Jens Axboe --- block/blk-settings.c | 1 - block/blk.h | 1 + include/linux/blkdev.h | 1 - 3 files changed, 1 insertion(+), 2 deletions(-) diff --git a/block/blk-settings.c b/block/blk-settings.c index 4949ed3ce7c9..8ac1038d0c79 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -59,7 +59,6 @@ void blk_set_default_limits(struct queue_limits *lim) lim->zone_write_granularity = 0; lim->dma_alignment = 511; } -EXPORT_SYMBOL(blk_set_default_limits); /** * blk_set_stacking_limits - set default limits for stacking devices diff --git a/block/blk.h b/block/blk.h index 5350bf363035..a0c1d31a8fe7 100644 --- a/block/blk.h +++ b/block/blk.h @@ -324,6 +324,7 @@ void blk_rq_set_mixed_merge(struct request *rq); bool blk_rq_merge_ok(struct request *rq, struct bio *bio); enum elv_merge blk_try_merge(struct request *rq, struct bio *bio); +void blk_set_default_limits(struct queue_limits *lim); int blk_dev_init(void); /* diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9898e34b2c2d..891f8cbcd043 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -945,7 +945,6 @@ extern void blk_queue_io_min(struct request_queue *q, unsigned int min); extern void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt); extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt); extern void blk_set_queue_depth(struct request_queue *q, unsigned int depth); -extern void blk_set_default_limits(struct queue_limits *lim); extern void blk_set_stacking_limits(struct queue_limits *lim); extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, sector_t offset); From 29aa778bb66795e6a78b1c99beadc83887827868 Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Thu, 10 Nov 2022 10:45:00 -0800 Subject: [PATCH 09/10] dm-integrity: set dma_alignment limit in io_hints This device mapper needs bio vectors to be sized and memory aligned to the logical block size. Set the minimum required queue limit accordingly. Signed-off-by: Keith Busch Reviewed-by: Mike Snitzer Link: https://lore.kernel.org/r/20221110184501.2451620-5-kbusch@meta.com Signed-off-by: Jens Axboe --- drivers/md/dm-integrity.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index aaf2472df6e5..e1e7b205573f 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -3370,6 +3370,7 @@ static void dm_integrity_io_hints(struct dm_target *ti, struct queue_limits *lim limits->logical_block_size = ic->sectors_per_block << SECTOR_SHIFT; limits->physical_block_size = ic->sectors_per_block << SECTOR_SHIFT; blk_limits_io_min(limits, ic->sectors_per_block << SECTOR_SHIFT); + limits->dma_alignment = limits->logical_block_size - 1; } } From 50a893359cd2643ee1afc96eedc9e7084cab49fa Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Thu, 10 Nov 2022 10:45:01 -0800 Subject: [PATCH 10/10] dm-log-writes: set dma_alignment limit in io_hints This device mapper needs bio vectors to be sized and memory aligned to the logical block size. Set the minimum required queue limit accordingly. Signed-off-by: Keith Busch Reviewed-by: Mike Snitzer Link: https://lore.kernel.org/r/20221110184501.2451620-6-kbusch@meta.com Signed-off-by: Jens Axboe --- drivers/md/dm-log-writes.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 20fd688f72e7..178e13a5b059 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -875,6 +875,7 @@ static void log_writes_io_hints(struct dm_target *ti, struct queue_limits *limit limits->logical_block_size = bdev_logical_block_size(lc->dev->bdev); limits->physical_block_size = bdev_physical_block_size(lc->dev->bdev); limits->io_min = limits->physical_block_size; + limits->dma_alignment = limits->logical_block_size - 1; } #if IS_ENABLED(CONFIG_FS_DAX)