If the DPI is freed when the dbr object is freed, but if the
process has not unmapped the page yet, then the DPI slot could
get reallocated to another process while the original process
still has it mapped. To prevent this, save the DPI info in the
mmap entry during dbr allocation and free the DPI slot from
bnxt_re_mmap_free(), which enures that there are no references
to it.
This change is needed to support doorbell allocation to QPs
in the next patch.
Link: https://patch.msgid.link/r/20260519150041.7251-8-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The current logic in the doorbell cleanup function is not
sufficient for a change in a subsequent patch, that fails
doorbell remove operation in some conditions. The cleanup
should facilitate freeing of the dbr object when the caller
may not retry the teardown operation (implicit teardown:
process-exit/driver-removal).
Extend this counter to use kref mechanism so that the dbr
object gets freed (via kref callback) when there are no more
references to it, rather than directly freeing it in the
cleanup uapi.
Link: https://patch.msgid.link/r/20260519150041.7251-7-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The hwq depth shouldn't be computed using slots/round-up logic for
app allocated QPs, use the max_wqe value saved earlier.
Link: https://patch.msgid.link/r/20260519150041.7251-6-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
For app allocated QPs, the driver shouldn't use slots/round-up logic
to compute the msn table size. The application handles this logic
and computes 'sq_npsn' and passes it to the driver using a new uapi
parameter.
Link: https://patch.msgid.link/r/20260519150041.7251-5-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
For app allocated QPs, there's no need to reserve extra slots.
The application accounts for this while allocating the SQ.
Link: https://patch.msgid.link/r/20260519150041.7251-4-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
For app allocated QPs, there's no need to add extra slots or
to round up the slot count. Use 'max_recv_wr' count provided
by the application as is.
Link: https://patch.msgid.link/r/20260519150041.7251-3-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The umem changes for CQ added a helper - bnxt_re_setup_sginfo().
Use the same helper for QP creation since we support only 4K
pages for QP ring memory too.
Add a new helper function bnxt_re_get_psn_bytes() to improve
readability as this code will be updated in subsequent patches.
Link: https://patch.msgid.link/r/20260519150041.7251-2-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
'struct configfs_item_operations' and 'configfs_group_operations' are not
modified in this driver.
Constifying these structures moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
6677 2776 64 9517 252d drivers/infiniband/core/cma_configfs.o
After:
=====
text data bss dec hex filename
6901 2552 64 9517 252d drivers/infiniband/core/cma_configfs.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/6acd9c8a79b868b5e541a7e080a6b4b145e4fd4f.1778923041.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Most drivers do this already, but some open-code a memset. Switch
all instances found. qedr_copy_qp_uresp() is already called with
zeroed memory so that memset is redundant.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
All of these are fully initialized so no bugs are being fixed. Add
the missing initializer as a precaution against future changes.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
At some point the response structs were added and rdma-core is using
them, but the kernel was not changed to use them as well. Replace
the open-coded copy with the right struct and ib_respond_udata().
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
The Mellanox drivers have a pattern where they compute the response
length they think they need based on what the user asked for, then
blindly write that ignoring the provided size limit on the response
structure.
Drop this and just use ib_respond_udata() which caps the response
struct to the user's memory, which is fine for what mlx5 is doing.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
These cases carefully work around 32-bit unpadded structures, but
the min integrated into ib_respond_udata() handles this
automatically. Zero-initialize data that would not have been copied.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Convert the pattern:
ib_copy_to_udata(udata, &resp, sizeof(resp));
Using Coccinelle:
@@
identifier resp;
expression udata;
@@
- ib_copy_to_udata(udata, &resp, sizeof(resp))
+ ib_respond_udata(udata, resp)
Run another pass with AI to propagate the return code correctly and
remove redundant prints.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Use copy_to_user() directly since the data is not being placed in the
udata response memory.
It is unclear why this is trying to do two copies, but leave it alone.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Convert the pattern:
if (udata->inlen && !ib_is_udata_cleared(udata, 0, udata->inlen))
Using Coccinelle:
virtual patch
virtual context
virtual report
@@
expression udata;
@@
(
- udata->inlen && !ib_is_udata_cleared(udata, 0, udata->inlen)
+ !ib_is_udata_in_empty(udata)
|
- udata->inlen > 0 && !ib_is_udata_cleared(udata, 0, udata->inlen)
+ !ib_is_udata_in_empty(udata)
)
@@
expression udata;
@@
- udata && udata->inlen && !ib_is_udata_cleared(udata, 0, udata->inlen)
+ !ib_is_udata_in_empty(udata)
These cases are already checking for zeroed data that the kernel does
not understand.
Run another pass with AI to propagate the return code correctly and
remove redundant prints.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
While being more verbose using a named initializer yields easier to
understand code and doesn't rely on the two hidden zeros in the
PCI_VDEVICE macro.
While at it, also drop the explicit zero in the terminating entry.
This doesn't introduce any changes to the compiled result of the array,
which was confirmed on x86 and arm64.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20260507075437.2669363-2-u.kleine-koenig@baylibre.com
Reviewed-by: Junxian Huang <huangjunxian6@hisilicon.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Simplify umem allocation by using flexible array member.
Add __counted_by to get extra runtime analysis.
Suggested-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Bernard Metzler <bernard.metzler@linux.dev>
Link: https://patch.msgid.link/20260511141149.52362-1-bernard.metzler@linux.dev
Signed-off-by: Leon Romanovsky <leon@kernel.org>
The variable 'rc' is initialized to 0 and returned at the end of
bng_re_process_qp_event(), but it is never modified in between.
Simplify the function by removing the redundant variable and returning 0
directly. This cleans up the code and avoids potential compiler warnings
about unused variables.
Signed-off-by: Rohit Chavan <roheetchavan@gmail.com>
Link: https://patch.msgid.link/20260505085709.1755534-1-roheetchavan@gmail.com
Reviewed-by: Siva Reddy Kallam <siva.kallam@broadcom.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
hns RoCE supports 4 congestion control algorithms. Each algorihm
involves multiple parameters. Support configuring these parameters
by debugfs.
Here are some examples of this feature:
* The directory structure:
$ ls /sys/kernel/debug/hns_roce/0000\:35\:00.0/
dcqcn_cc_param dip_cc_param hc3_cc_param ldcp_cc_param
$ ls /sys/kernel/debug/hns_roce/0000\:35\:00.0/dcqcn_cc_param/
ai al alp ashift cnp_time f g lifespan max_speed tkp tmp
* Read the value of a param:
$ cat /sys/kernel/debug/hns_roce/0000\:35\:00.0/dcqcn_cc_param/ai
1
* Set a new value for a param:
$ echo 2 > /sys/kernel/debug/hns_roce/0000\:35\:00.0/dcqcn_cc_param/ai
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20260507012148.1079712-4-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
The debugfs file was created before seq->read and seq->data were set,
leaving a small window where userspace could access an uninitialized
seqfile.
Move debugfs_create_file() after the assignments to avoid this issue.
Also, inline the original init_debugfs_seqfile() since it is not a
really necessary helper.
Fixes: ca7ad04cd5 ("RDMA/hns: Add debugfs to hns RoCE")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20260507012148.1079712-2-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Simplify the calculation of medium blue flame registers by using the
max() macro instead of open-coded ternary logic. This improves
readability and aligns with the subsystem's preference for using
standard kernel helpers.
Signed-off-by: Rohit Chavan <roheetchavan@gmail.com>
Link: https://patch.msgid.link/20260505100550.1810139-1-roheetchavan@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
imm_buf->len is a user-controlled uint32_t received from the network.
Adding it to imm_data_offset without overflow checking allows a
malicious initiator to send len=0xFFFFFFFF, causing req_size to wrap
around to a small value, bypassing the bounds check, and subsequently
passing a ~4GB length to sg_init_one().
Use check_add_overflow() to detect wrapping before the comparison.
Fixes: 5dabcd0456 ("RDMA/srpt: Add support for immediate data")
Reported-by: Carlos Bilbao (Lambda) <carlos.bilbao@kernel.org>
Signed-off-by: Sara Venkatesh <sarajvenkatesh@gmail.com>
Link: https://patch.msgid.link/20260504080036.3482415-1-sarajvenkatesh@gmail.com
Reviewed-by: Carlos Bilbao (Lambda) <carlos.bilbao@kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
The conversion from seconds to jiffies is currently performed by
multiplying the value by 1000 and passing it to msecs_to_jiffies().
Use the more direct secs_to_jiffies() helper instead. This simplifies the
code, improves readability, and avoids the manual multiplication step
by using the dedicated kernel API.
Signed-off-by: Rohit Chavan <roheetchavan@gmail.com>
Link: https://patch.msgid.link/20260505075308.1754861-1-roheetchavan@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
The functions kfree() and kvfree() can occasionally trigger a long
chain of calls or face contention in the slab allocator. Executing
these inside a spinlock increases the risk of CPU stalls and increases
lock contention under heavy event load.
Move the memory freeing logic out of the critical sections in devx.c
by using temporary lists and local flags. This narrows the lock's
scope to only protect the list integrity and state transitions.
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Link: https://patch.msgid.link/20260503023349.1959-1-lirongqing@baidu.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT() links event_sub into sub_list
before initializing the fields used by the shared error path.
If eventfd_ctx_fdget() then fails, the unwind path dereferences
event_sub->ev_file in uverbs_uobject_put() and calls
subscribe_event_xa_dealloc() with an unset xa_key_level1.
subscribe_event_xa_alloc() creates the XA entry exactly once for a given
key_level1, on the first occurrence of that key. The unwind path must
therefore call subscribe_event_xa_dealloc() exactly once for it as well.
Enforce that by adding devx_key_in_sub_list() and calling
subscribe_event_xa_dealloc() only when the last matching pending entry is
being cleaned up.
Fixes: 7597385371 ("IB/mlx5: Enable subscription for device events over DEVX")
Signed-off-by: Prathamesh Deshpande <prathameshdeshpande7@gmail.com>
Link: https://patch.msgid.link/20260428224319.37682-1-prathameshdeshpande7@gmail.com
Reviewed-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
mlx5r_umr_update_xlt() allocates and DMA maps an XLT buffer with
mlx5r_umr_create_xlt(). The buffer is released by the common cleanup path
through mlx5r_umr_unmap_free_xlt().
After mlx5_odp_populate_xlt() became fallible, its error path returned
directly and skipped that cleanup. This leaks the XLT DMA mapping and
buffer. If the emergency XLT page was used, it also leaves
xlt_emergency_page_mutex locked.
Break out of the loop so execution falls through the existing cleanup path.
Fixes: 1efe8c0670 ("RDMA/core: Convert UMEM ODP DMA mapping to caching IOVA and page linkage")
Signed-off-by: Prathamesh Deshpande <prathameshdeshpande7@gmail.com>
Link: https://patch.msgid.link/20260426132356.22264-1-prathameshdeshpande7@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
EFA devices added support for CRC16 checksum on admin responses and to
expose it to the driver the API version increased to 0.2. Add a check
for support on device init and if supported validate the checksum on
each admin response the driver receives. If the checksum validation
failed, drop the CQE.
Add the CRC16 module to Kconfig to have the in-tree dependency.
Reviewed-by: Firas Jahjah <firasj@amazon.com>
Reviewed-by: Michael Margolin <mrgolin@amazon.com>
Signed-off-by: Yonatan Nachum <ynachum@amazon.com>
Link: https://patch.msgid.link/20260409074905.3126023-1-ynachum@amazon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Create a virtual TUN net device with RXE support, then run rping
server and client to invoke networking packets, finally compare both
*port_xmit_data* and *port_rcv_data* of such device.
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://patch.msgid.link/20260414062948.671658-5-zhenwei.pi@linux.dev
Signed-off-by: Leon Romanovsky <leon@kernel.org>
In RXE, hardware counters are already supported, but not in a
standardized manner. For instance, user-space monitoring tools like
atop only read from the *counters* directory. Therefore, it is
necessary to add perf management support to RXE.
Also use rxe_counter_get instead of raw atomic64_read in hw-counters.
Signed-off-by: zhenwei pi <zhenwei.pi@linux.dev>
Link: https://patch.msgid.link/20260414062948.671658-4-zhenwei.pi@linux.dev
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Suggested by Leon, remove the rxe_ib_device_get_netdev() wrapper and
the RXE_PORT definition. These additions do not improve readability,
and RXE has always had only a single port.
Signed-off-by: zhenwei pi <zhenwei.pi@linux.dev>
Link: https://patch.msgid.link/20260414062948.671658-2-zhenwei.pi@linux.dev
Signed-off-by: Leon Romanovsky <leon@kernel.org>
If bt_num is 3 or 2, then the expressions like
l0_idx * chunk_ba_num + l1_idx are computed in 32-bit
arithmetic before being assigned to a u64 index field,
which can lead to overflow.
Cast the first operand to u64 to ensure the arithmetic
is performed in 64-bit.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 2f49de21f3 ("RDMA/hns: Optimize mhop get flow for multi-hop addressing")
Signed-off-by: Alexander Chesnokov <Alexander.Chesnokov@kaspersky.com>
Link: https://patch.msgid.link/20260413091527.39990-1-Alexander.Chesnokov@kaspersky.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
The responder CQE path determines the link layer via
rdma_port_get_link_layer(). Use qp->port instead of
hardcoding port 1, which can mis-decode completions on
multi-port devices.
Signed-off-by: Chenguang Zhao <zhaochenguang@kylinos.cn>
Link: https://patch.msgid.link/20260410074046.2044595-1-zhaochenguang@kylinos.cn
Signed-off-by: Leon Romanovsky <leon@kernel.org>
mlx5_ib_alloc_transport_domain() allocates a transport domain and then
may fail in mlx5_ib_enable_lb(). In that case, the allocated TD is leaked.
Fix this by deallocating the TD when mlx5_ib_enable_lb() returns an
error. Also return 0 explicitly in the no-loopback-capability success
branch, and move dev->lb.mutex initialization to mlx5_ib_stage_init_init().
Fixes: 146d2f1af3 ("IB/mlx5: Allocate a Transport Domain for each ucontext")
Signed-off-by: Prathamesh Deshpande <prathameshdeshpande7@gmail.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Commit 5fff41e1f8 ("IB/core: Fix race condition in resolving IP to MAC")
changed the workqueue "addr_wq" to a single-threaded wq.
Commit e19c0d2378 ("RDMA/rdma_cm: Remove process_req and timer sorting")
eliminated global work and started using per-req work.
Now we no longer have the race, change "addr_wq" back to multi-threaded
workqueue to speed up multiple addr resolutions.
Signed-off-by: Surabhi Gogte <sgogte@purestorage.com>
Link: https://patch.msgid.link/20260410001549.3149060-1-sgogte@purestorage.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
- sh: Fix fallout from ZERO_PAGE consolidation
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Merge tag 'sh-for-v7.1-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh fix from John Paul Adrian Glaubitz:
"The ZERO_PAGE consolidation in v7.1, introduced a regression on sh
which made these systems unbootable.
The problem was that on sh, the initial boot parameters were
previously referenced as an array and after 6215d9f447 ("arch, mm:
consolidate empty_zero_page"), they were referenced as a pointer which
caused wrong code generation and boot hang.
This changes the declaration back to being an array which fixes the
boot hang"
* tag 'sh-for-v7.1-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: Fix fallout from ZERO_PAGE consolidation
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Merge tag 'slab-for-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab fixes from Vlastimil Babka:
- Stable fixes for CONFIG_SMP=n where _nolock() allocations in NMI both
at kmalloc and page allocator levels are not properly protected by
the spin_trylock() semantics on !SMP (Harry Yoo)
* tag 'slab-for-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm/slab: return NULL early from kmalloc_nolock() in NMI on UP
mm/page_alloc: return NULL early from alloc_frozen_pages_nolock() in NMI on UP
by Sebastian Andrzej Siewior.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2026-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Ingo Molnar:
"Fix lockup in requeue-PI during signal/timeout wakeups, by Sebastian
Andrzej Siewior"
* tag 'locking-urgent-2026-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Prevent lockup in requeue-PI during signal/ timeout wakeup
- Fix the delayed dequeue negative lag increase fix in the
fair scheduler (Peter Zijlstra)
- Fix wakeup_preempt_fair() to do proper delayed dequeue
(Vincent Guittot)
- Clear sched_entity::rel_deadline when initializing
forked entities, which bug can cause all tasks to be
EEVDF-ineligible, causing a NULL pointer dereference
crash in pick_next_entity() (Zicheng Qu)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
- Fix the delayed dequeue negative lag increase fix in the
fair scheduler (Peter Zijlstra)
- Fix wakeup_preempt_fair() to do proper delayed dequeue
(Vincent Guittot)
- Clear sched_entity::rel_deadline when initializing
forked entities, which bug can cause all tasks to be
EEVDF-ineligible, causing a NULL pointer dereference
crash in pick_next_entity() (Zicheng Qu)
* tag 'sched-urgent-2026-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Clear rel_deadline when initializing forked entities
sched/fair: Fix wakeup_preempt_fair() vs delayed dequeue
sched/fair: Fix the negative lag increase fix
Consolidation of empty_zero_page declarations broke boot on sh.
sh stores its initial boot parameters in a page reserved in
arch/sh/kernel/head_32.S. Before commit 6215d9f447 ("arch, mm:
consolidate empty_zero_page") this page was referenced in C code
as an array and after that commit it is referenced as a pointer.
This causes wrong code generation and boot hang.
Declare boot_params_page as an array to fix the issue.
Reported-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Tested-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Fixes: 6215d9f447 ("arch, mm: consolidate empty_zero_page")
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
- Reject algorithms with authsizes that are too short in authencesn.
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Merge tag 'v7.1-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
- Reject algorithms with authsizes that are too short in authencesn
* tag 'v7.1-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: authencesn - reject short ahash digests during instance creation
- Fix a NULL pointer dereference in ntfs_index_walk_down() by validating
index block allocation.
- Fix a memory leak of the symlink target string in
ntfs_reparse_set_wsl_symlink() during error paths.
- Prevent VCN overflow and validate lowest_vcn in
ntfs_mapping_pairs_decompress() to avoid runlist corruption.
- Fix a page reference leak in ntfs_write_iomap_end_resident() when
attribute search context allocation fails.
- Fix an invalid PTR_ERR() usage on a valid folio pointer in
__ntfs_bitmap_set_bits_in_run().
- Correct directory link counting by dropping nlink only when the MFT
record link count reaches zero for WIN32/DOS aliases.
- Fix an uninitialized variable usage in ntfs_mapping_pairs_decompress()
by returning an error pointer directly.
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Merge tag 'ntfs-for-7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs
Pull ntfs fixes from Namjae Jeon:
- Fix a NULL pointer dereference in ntfs_index_walk_down() by
validating index block allocation
- Fix a memory leak of the symlink target string in
ntfs_reparse_set_wsl_symlink() during error paths
- Prevent VCN overflow and validate lowest_vcn in
ntfs_mapping_pairs_decompress() to avoid runlist corruption
- Fix a page reference leak in ntfs_write_iomap_end_resident()
when attribute search context allocation fails
- Fix an invalid PTR_ERR() usage on a valid folio pointer in
__ntfs_bitmap_set_bits_in_run()
- Correct directory link counting by dropping nlink only when
the MFT record link count reaches zero for WIN32/DOS aliases
- Fix an uninitialized variable in ntfs_mapping_pairs_decompress()
by returning an error pointer directly
* tag 'ntfs-for-7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs:
ntfs: Use return instead of goto in ntfs_mapping_pairs_decompress()
ntfs: drop nlink once for WIN32/DOS aliases
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run()
ntfs: fix error handling in ntfs_write_iomap_end_resident()
ntfs: fix VCN overflow in ntfs_mapping_pairs_decompress()
ntfs: fix WSL symlink target leak on reparse failure
ntfs: fix NULL dereference in ntfs_index_walk_down()
core and helpers:
- calculate framebuffer geometry with format helpers
- fix docs
amdgpu:
- GFX12 fix for CONFIG_DRM_DEBUG_MM configs
- Fix DC analog support
- Userq fixes
- GART placement fix
- Aldebaran SMU fixes
- AMDGPU_INFO_READ_MMR_REG fix
- UVD 3.1 fix
- GC 6 TCC fix
- Fix root reservation in amdgpu_vm_handle_fault()
- RAS fix
- Module reload fix for APUs
- Fix build for CONFIG_DRM_FBDEV_EMULATION=n
- IGT DWB regression fix
- GC 11.5.4 fix
- VCN user fence fixes
- JPEG user fence fixes
- SMU 13.0.6 fix
- VCN 3/4 IB parser fixes
- NV3x+ dGPU vblank fix
- DCE6/8 fixes for LVDS/eDP panels without an EDID
amdkfd:
- Fix for when CONFIG_HSA_AMD is not set
- SVM fixes
xe:
- uapi: Add missing pad and extensions check
- uapi: Reject unsafe PAT indices for CPU cached memory
- Drop registration of guc_submit_wedged_fini from xe_guc_submit_wedge
- Xe3p tuning and workaround fixes
- USE drm mm instead of drm SA for CCS read/write
- Fix leaks and null derefs
- Fix Wa_18022495364
appletbdrm:
- allocate protocol buffers with kvzalloc()
dma-buf:
- fix docs
imagination:
- avoid segfault in debugfs
ofdrm:
- put PCI device reference on errors
udl:
- increase USB timeout
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Merge tag 'drm-fixes-2026-05-02' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Fixes for rc2, the usual amdgpu/xe double header, I think xe had a
couple of weeks combined due to some maintainer access issues,
otherwise there's just a few misc fixes and documentation fixups.
core and helpers:
- calculate framebuffer geometry with format helpers
- fix docs
amdgpu:
- GFX12 fix for CONFIG_DRM_DEBUG_MM configs
- Fix DC analog support
- Userq fixes
- GART placement fix
- Aldebaran SMU fixes
- AMDGPU_INFO_READ_MMR_REG fix
- UVD 3.1 fix
- GC 6 TCC fix
- Fix root reservation in amdgpu_vm_handle_fault()
- RAS fix
- Module reload fix for APUs
- Fix build for CONFIG_DRM_FBDEV_EMULATION=n
- IGT DWB regression fix
- GC 11.5.4 fix
- VCN user fence fixes
- JPEG user fence fixes
- SMU 13.0.6 fix
- VCN 3/4 IB parser fixes
- NV3x+ dGPU vblank fix
- DCE6/8 fixes for LVDS/eDP panels without an EDID
amdkfd:
- Fix for when CONFIG_HSA_AMD is not set
- SVM fixes
xe:
- uapi: Add missing pad and extensions check
- uapi: Reject unsafe PAT indices for CPU cached memory
- Drop registration of guc_submit_wedged_fini from xe_guc_submit_wedge
- Xe3p tuning and workaround fixes
- USE drm mm instead of drm SA for CCS read/write
- Fix leaks and null derefs
- Fix Wa_18022495364
appletbdrm:
- allocate protocol buffers with kvzalloc()
dma-buf:
- fix docs
imagination:
- avoid segfault in debugfs
ofdrm:
- put PCI device reference on errors
udl:
- increase USB timeout"
* tag 'drm-fixes-2026-05-02' of https://gitlab.freedesktop.org/drm/kernel: (77 commits)
drm/xe/uapi: Reject coh_none PAT index for CPU_ADDR_MIRROR
drm/xe/uapi: Reject coh_none PAT index for CPU cached memory in madvise
drm/xe/xelp: Fix Wa_18022495364
drm/xe/gsc: Fix BO leak on error in query_compatibility_version()
drm/xe/eustall: Fix drm_dev_put called before stream disable in close
drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl()
drm/xe: Fix dma-buf attachment leak in xe_gem_prime_import()
drm/xe: Fix bo leak in xe_dma_buf_init_obj() on allocation failure
drm/xe/bo: Fix bo leak on GGTT flag validation in xe_bo_init_locked()
drm/xe/bo: Fix bo leak on unaligned size validation in xe_bo_init_locked()
drm/xe: Fix potential NULL deref in xe_exec_queue_tlb_inval_last_fence_put_unlocked
drm/xe/vf: Use drm mm instead of drm sa for CCS read/write
drm/xe: Add memory pool with shadow support
drm/xe/debugfs: Correct printing of register whitelist ranges
drm/xe: Mark ROW_CHICKEN5 as a masked register
drm/xe/tuning: Use proper register offset for GAMSTLB_CTRL
drm/xe/xe3p_lpg: Add missing indirect ring state feature flag
drm/xe: Drop redundant rtp entries for Wa_14019988906 & Wa_14019877138
drm/xe/vm: Add missing pad and extensions check
drm/xe: Drop registration of guc_submit_wedged_fini from xe_guc_submit_wedge()
...
- Avoid writing an uninitialised stack variable to POR_EL0 on
sigreturn if the poe_context record is absent
- Reserve one more page for the early 4K-page kernel mapping to cover
the extra [_text, _stext) split introduced by the non-executable
read-only mapping
- Force the arch_local_irq_*() wrappers to be __always_inline so that
noinstr entry and idle paths cannot call out-of-line, instrumentable
copies
- Fix potential sign extension in the arm64 SCS unwinder's DWARF
advance_loc4 decoding
- Tolerate arm64 ACPI platforms with only WFI and no deeper PSCI idle
states, restoring cpuidle registration on such systems
- Include the UAPI <asm/ptrace.h> header in the arm64 GCS libc test
rather than carrying a duplicate struct user_gcs definition (the
original #ifdef NT_ARM_GCS was wrong to cover the structure
definition as it would be masked out if the toolchain defined it)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Avoid writing an uninitialised stack variable to POR_EL0 on sigreturn
if the poe_context record is absent
- Reserve one more page for the early 4K-page kernel mapping to cover
the extra [_text, _stext) split introduced by the non-executable
read-only mapping
- Force the arch_local_irq_*() wrappers to be __always_inline so that
noinstr entry and idle paths cannot call out-of-line, instrumentable
copies
- Fix potential sign extension in the arm64 SCS unwinder's DWARF
advance_loc4 decoding
- Tolerate arm64 ACPI platforms with only WFI and no deeper PSCI idle
states, restoring cpuidle registration on such systems
- Include the UAPI <asm/ptrace.h> header in the arm64 GCS libc test
rather than carrying a duplicate struct user_gcs definition (the
original #ifdef NT_ARM_GCS was wrong to cover the structure
definition as it would be masked out if the toolchain defined it)
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: signal: Preserve POR_EL0 if poe_context is missing
arm64: Reserve an extra page for early kernel mapping
kselftest/arm64: Include <asm/ptrace.h> for user_gcs definition
ACPI: arm64: cpuidle: Tolerate platforms with no deep PSCI idle states
arm64/irqflags: __always_inline the arch_local_irq_*() helpers
arm64/scs: Fix potential sign extension issue of advance_loc4
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Merge tag 'selinux-pr-20260501' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fixes from Paul Moore:
- Ensure SELinux is always properly accessing its own sock LSM state
- Only reserve an xattr slot for SELinux if it will be used
- Fix a SELinux auditing regression in the directory avdcache
* tag 'selinux-pr-20260501' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: fix avdcache auditing
selinux: don't reserve xattr slot when we won't fill it
selinux: use sk blob accessor in socket permission helpers
