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d7332c4a4f1a7d16f054c6357fb65c597b6a86a7
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc3-topology: Fix pipeline tear down logic
Problem Details: With the change in the widget free logic to power down the cores only when the scheduler widgets are freed, we need to ensure that the scheduler widget is freed only after all the widgets associated with the scheduler are freed. This is to ensure that the secondary core that the scheduler is scheduled ...
```diff diff --git a/sound/soc/sof/ipc3-topology.c b/sound/soc/sof/ipc3-topology.c index a8832a1c1a24..d47698f4be2d 100644 --- a/sound/soc/sof/ipc3-topology.c +++ b/sound/soc/sof/ipc3-topology.c @@ -2360,27 +2360,16 @@ static int sof_tear_down_left_over_pipelines(struct snd_sof_dev *sdev) return 0; } -/* - * For o...
c14f09f010cc569ae7e2f6ef02374f6bfef9917e
Analyze and fix the following issue in the Linux kernel code: ASoC: cs35l56: Fix deadlock in ASP1 mixer register initialization
Problem Details: Rewrite the handling of ASP1 TX mixer mux initialization to prevent a deadlock during component_remove(). The firmware can overwrite the ASP1 TX mixer registers with system-specific settings. This is mainly for hardware that uses the ASP as a chip-to-chip link controlled by the firmware. Because of th...
```diff diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index ebed5ab1245b..98d3957c66e7 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -68,63 +68,7 @@ static const char * const cs35l56_asp1_mux_control_names[] = { "ASP1 TX1 Source", "ASP1 TX2 Source", "ASP1 TX3 Sourc...
dbc396244a5e1ce51e90abd3acc98de707445d6d
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: move BA notif messages before action
Problem Details: This is always a bit confusing, the code first does all the reclaim (with its own debug messages), and _then_ prints it got a BA notification from firmware. Turn that around. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: ...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index cc73d7d7de7d..4981bb1f0251 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -2162,6 +2162,12 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, ...
d5bd4041cd70faf26fc9a54bd6f172537bbe77f3
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: don't set replay counters to 0xff
Problem Details: The firmware (later) actually uses the values even for keys that are invalid as far as the host is concerned, later in rekeying, and then only sets the low 48 bits since the PNs are only 48 bits over the air. It does, however, compare the full 64 bits later, obviously causing problems. Remove the mems...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 5bc08c1d207a..e1c77276557d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -461,12 +461,10 @@ static int iwl_mvm_wowlan_config_rsc_tsc(struct...
e35f316bce9e5733c9826120c1838f4c447b2c4c
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: don't set the MFP flag for the GTK
Problem Details: The firmware doesn't need the MFP flag for the GTK, it can even make the firmware crash. in case the AP is configured with: group cipher TKIP and MFPC. We would send the GTK with cipher = TKIP and MFP which is of course not possible. Fixes: 5c75a208c244 ("wifi: iwlwifi: mvm: support new key API") Sign...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c index bbd37a95d4c8..8a38fc4b0b0f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-...
c82a950f63a32c3148db1c6e4a3bd7140a11a95d
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: don't do duplicate detection for nullfunc packets
Problem Details: For non-QoS nullfunc packets we currently do the duplicate detection, which seems a bit wrong. Fix the code to check for _any_ instead of just _qos_ nullfunc. Also remove setting the RX_FLAG_DUP_VALIDATED flag, we haven't done anything here; in particular, we haven't checked for multicast in an MLO sc...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 7c0da3b8ad77..b7639e429889 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -519,11 +519,9 @@ static bool iwl_mvm_is_dup(struct ieee80...
2e0e766bd8a7f14f10c3e70b8203c4c1e6d9ec76
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix erroneous queue index mask
Problem Details: When retrieving the queue index ("SCD SSN") from the TX response, it's currently masked with 0xFFF. However, now that we have queues longer than 4k, that became wrong, so make the mask depend on the hardware family. This fixes an issue where if we get a single frame reclaim while in the top half of an...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 58d1f283d628..f401cd6ef3ac 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause ...
f05ef3497f260d0ab75aed45205bfe90beb3bd90
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix the key PN index
Problem Details: When waking from D3 (and a GTK rekey happened during D3), the key itself is saved in iwl_wowlan_status_data::gtk array, but the PN is saved in iwl_wowlan_status_data::gtk_seq array. The indices (of the same key) might differ in both arrays. Fix using the gtk array index in the gtk_seq array. Rather, it...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 6396fbde03c4..994387eac6f7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause ...
556c7cd721b5262579ba1710c3b4e7ffdb5573ac
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: properly check if link is active
Problem Details: Before sending SESSION PROTECTION cmd the driver verifies that the link for which the cmd is going to be sent is active. The existing code is checking it only for MLD vifs, but also the deflink (in non-MLD vifs) needs to be active in order the have a session protection for it. Fix this by checking if t...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c index b7461bc32527..2956127fd11b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c @@ -706,8 +706,7 @@ static int iwl_mv...
f51d6431824f0afb9f73d68971d154c47c26b86a
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: support EHT for WH
Problem Details: sku_cap_11be_enable should be set to true also for WH. Fixes: e1374ed25324 ("wifi: iwlwifi: Add support for new CNVi (SC)") Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://msgid.link/20240204235836.a6d4097cbac...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index c30187d77b3c..d2f133255ee6 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -2125,7 +2125,7 @@ struct iwl_nvm_data...
318b3fac347cc307b39412cd8133488a83cd73a9
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: use system_unbound_wq for debug dump
Problem Details: This can take some time, so it's better to use the unbound workqueue. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240204235836.75c8d2286f81.I478e9faf422f22ae66c0a113003fea83565c5692@changeid Signed-...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index e7ff043f9f0a..db6d7013df66 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2878,7 +2878,8 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runti...
f29a8be886f5dd12b97624a87d6c46e2cf8d1821
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: return negative -EINVAL instead of positive EINVAL
Problem Details: The '-' character is missing in -EINVAL. Fixes: fc7214c3c986 ("wifi: iwlwifi: read DSM functions from UEFI") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://msgid.link/f0391316-ab30-4664-96ac-03445ab2aeba@moroto.mountain Signed-off-by: Johannes Berg <johannes.berg@intel.com>
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.c b/drivers/net/wireless/intel/iwlwifi/fw/uefi.c index fe6d0141cd5b..3c4c99eed110 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/uefi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.c @@ -679,7 +679,7 @@ int iwl_uefi_get_dsm(struct iwl_fw_runtime *f...
37c37096ad80bfa38ab427f33f58124e043fa2fe
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: don't use sband->band early
Problem Details: Some drivers may (notably mt76 does) not set up sband->band before registering, and cfg80211 will fill it in later. But since the HT/HE capability check mac80211 required it to be initialized already, otherwise failing things. This really isn't necessary though since the code is iterating the list of ...
```diff diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 879abe216a3e..4eaea0a9975b 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1259,7 +1259,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) supp_he = supp_he || iftd->he_cap.has_he; supp_eht = supp_eht || iftd->eht_cap.has_e...
09417e673cbd578a1eaf8aba34a668119622d79c
Analyze and fix the following issue in the Linux kernel code: PM: EM: Change debugfs configuration to use runtime EM table data
Problem Details: Dump the runtime EM table values which can be modified in time. In order to do that allocate chunk of debug memory which can be later freed automatically thanks to devm_kcalloc(). This design can handle the fact that the EM table memory can change after EM update, so debug code cannot use the pointer ...
```diff diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c index a631d7d52c40..548908e686ed 100644 --- a/kernel/power/energy_model.c +++ b/kernel/power/energy_model.c @@ -37,20 +37,65 @@ static bool _is_cpu_device(struct device *dev) #ifdef CONFIG_DEBUG_FS static struct dentry *rootdir; -static ...
4274521fabee05375d10bea0e36a806ed4ab7b45
Analyze and fix the following issue in the Linux kernel code: PM: EM: Add missing newline for the message log
Problem Details: Fix missing newline for the string long in the error code path. Reviewed-by: Hongyan Xia <hongyan.xia2@arm.com> Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> Signed-off-by: Rafael J. Wyso...
```diff diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c index 7b44f5b89fa1..8b9dd4a39f63 100644 --- a/kernel/power/energy_model.c +++ b/kernel/power/energy_model.c @@ -250,7 +250,7 @@ static void em_cpufreq_update_efficiencies(struct device *dev) policy = cpufreq_cpu_get(cpumask_first(em_span...
b7198383ef2debe748118996f627452281cf27d7
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix a crash when we run out of stations
Problem Details: A DoS tool that injects loads of authentication frames made our AP crash. The iwl_mvm_is_dup() function couldn't find the per-queue dup_data which was not allocated. The root cause for that is that we ran out of stations in the firmware and we didn't really add the station to the firmware, yet we didn...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 3447d67a8b31..53e26c3c3a9a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -3687,6 +3687,9 @@ iwl_mvm_sta_state_notex...
6bda055d625860736f7ea5b4eda816f276899d8b
Analyze and fix the following issue in the Linux kernel code: KVM: define __KVM_HAVE_GUEST_DEBUG unconditionally
Problem Details: Since all architectures (for historical reasons) have to define struct kvm_guest_debug_arch, and since userspace has to check KVM_CHECK_EXTENSION(KVM_CAP_SET_GUEST_DEBUG) anyway, there is no advantage in masking the capability #define itself. Remove the #define __KVM_HAVE_GUEST_DEBUG from architecture...
```diff diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h index 9c1040dad4eb..964df31da975 100644 --- a/arch/arm64/include/uapi/asm/kvm.h +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -37,7 +37,6 @@ #include <asm/ptrace.h> #include <asm/sve_context.h> -#define __KVM_HAVE_GUEST_DEBUG #...
12f0a4cc845286f331239c52282aab283a0392e5
Analyze and fix the following issue in the Linux kernel code: dt-bindings: mfd: da9062: Update watchdog description
Problem Details: Update watchdog description by referring to dlg,da9062-watchdog binding file. Update MAINTAINERS entries. Fixes: bd888a4377ae ("dt-bindings: watchdog: da9062-wdt: convert txt to yaml") Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked...
```diff diff --git a/Documentation/devicetree/bindings/mfd/da9062.txt b/Documentation/devicetree/bindings/mfd/da9062.txt index e4eedd3bd233..18463b7fbb42 100644 --- a/Documentation/devicetree/bindings/mfd/da9062.txt +++ b/Documentation/devicetree/bindings/mfd/da9062.txt @@ -86,7 +86,7 @@ Sub-nodes: - onkey : See ../...
5d389afc1f8fea707225bc2ee64e00d85dab623a
Analyze and fix the following issue in the Linux kernel code: ACPI: video: Handle fetching EDID that is longer than 256 bytes
Problem Details: The ACPI specification allows for an EDID to be up to 512 bytes but the _DDC EDID fetching code will only try up to 256 bytes. Modify the code to instead start at 512 bytes and work it's way down instead. As _DDC is now called up to 4 times on a machine debugging messages are noisier than necessary. ...
```diff diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 4afdda9db019..1fda30388297 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -612,7 +612,7 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device, static int acpi_video_device_EDID(struct ac...
65c6ee90455053cfd3067c17aaa4a42b0c766543
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: uninitialized variable in iwl_acpi_get_ppag_table()
Problem Details: This is an error path and Smatch complains that "tbl_rev" is uninitialized on this path. All the other functions follow this same patter where they set the error code and goto out_free so that's probably what was intended here as well. Fixes: e8e10a37c51c ("iwlwifi: acpi: move ppag code from mvm to f...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index d73d561709d3..dcc4810cb324 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -1116,6 +1116,9 @@ int iwl_acpi_get_ppag_table(struct iwl_fw_r...
c6ebb5b67641994de8bc486b33457fe0b681d6fe
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: Fix some error codes
Problem Details: This saves the error as PTR_ERR(wifi_pkg). The problem is that "wifi_pkg" is a valid pointer, not an error pointer. Set the error code to -EINVAL instead. Fixes: 2a8084147bff ("iwlwifi: acpi: support reading and storing WRDS revision 1 and 2") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> ...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index b96f30d11644..d73d561709d3 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -618,7 +618,7 @@ int iwl_sar_get_wrds_table(struct iwl_fw_runt...
3012477cd510044d346c5e0465ead4732aef8349
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: clear link_id in time_event
Problem Details: Before sending a SESSION PROTECTION cmd the driver checks if the link_id indicated in the time event (and for which the cmd will be sent) is valid and exists. Clear the te_data::link_id when FW notifies that a session protection ended, so the check will actually fail when it should. Fixes: 13506583731...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c index 218fdf1ed530..2e653a417d62 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c @@ -1,6 +1,6 @@ // SPDX-License-Iden...
ac9275b3b4dd11a1c825071b9dbaf7614a399c89
Analyze and fix the following issue in the Linux kernel code: x86/vdso: Use $(addprefix ) instead of $(foreach )
Problem Details: $(addprefix ) is slightly shorter and more intuitive. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20231121235701.239606-4-masahiroy@kernel.org
```diff diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile index cbfb5aab5e9c..439b52772e69 100644 --- a/arch/x86/entry/vdso/Makefile +++ b/arch/x86/entry/vdso/Makefile @@ -40,8 +40,8 @@ obj-$(CONFIG_IA32_EMULATION) += vdso-image-32.o vdso32-setup.o OBJECT_FILES_NON_STANDARD_vdso32-setup.o := n...
c98d8836b817d11fdff4ca7749cbbe04ff7f0c64
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: reload info pointer in ieee80211_tx_dequeue()
Problem Details: This pointer can change here since the SKB can change, so we actually later open-coded IEEE80211_SKB_CB() again. Reload the pointer where needed, so the monitor-mode case using it gets fixed, and then use info-> later as well. Cc: stable@vger.kernel.org Fixes: 531682159092 ("mac80211: fix VLAN handlin...
```diff diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index e448ab338448..6fbb15b65902 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -5,7 +5,7 @@ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communic...
5a8cdf6fd860ac5e6d08d72edbcecee049a7fec4
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_pipapo: remove scratch_aligned pointer
Problem Details: use ->scratch for both avx2 and the generic implementation. After previous change the scratch->map member is always aligned properly for AVX2, so we can just use scratch->map in AVX2 too. The alignoff delta is stored in the scratchpad so we can reconstruct the correct address to free the area again. ...
```diff diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index 5094d4c439c3..aa1d9e93a9a0 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -1125,6 +1125,7 @@ static void pipapo_free_scratch(const struct nft_pipapo_match *m, unsigned int c return; mem...
76313d1a4aa9e30d5b43dee5efd8bcd4d8250006
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_pipapo: store index in scratch maps
Problem Details: Pipapo needs a scratchpad area to keep state during matching. This state can be large and thus cannot reside on stack. Each set preallocates percpu areas for this. On each match stage, one scratchpad half starts with all-zero and the other is inited to all-ones. At the end of each stage, the half th...
```diff diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index b17c18203416..54d0bac140a3 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -342,9 +342,6 @@ #include "nft_set_pipapo_avx2.h" #include "nft_set_pipapo.h" -/* Current working bitmap index, to...
60c0c230c6f046da536d3df8b39a20b9a9fd6af0
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_rbtree: skip end interval element from gc
Problem Details: rbtree lazy gc on insert might collect an end interval element that has been just added in this transactions, skip end interval elements that are not yet active. Fixes: f718863aca46 ("netfilter: nft_set_rbtree: fix overlap expiration walk") Cc: stable@vger.kernel.org Reported-by: lonial con <kongln917...
```diff diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index 5fd74f993988..9944fe479e53 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -234,7 +234,7 @@ static void nft_rbtree_gc_elem_remove(struct net *net, struct nft_set *set, static const struct nf...
f82777e8ce6c039cdcacbcf1eb8619b99a20c06d
Analyze and fix the following issue in the Linux kernel code: netfilter: nfnetlink_queue: un-break NF_REPEAT
Problem Details: Only override userspace verdict if the ct hook returns something other than ACCEPT. Else, this replaces NF_REPEAT (run all hooks again) with NF_ACCEPT (move to next hook). Fixes: 6291b3a67ad5 ("netfilter: conntrack: convert nf_conntrack_update to netfilter verdicts") Reported-by: l.6diay@passmail.com...
```diff diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 171d1f52d3dd..5cf38fc0a366 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -232,18 +232,25 @@ static void nfqnl_reinject(struct nf_queue_entry *entry, unsigned int verdict) if (verdict ==...
7395dfacfff65e9938ac0889dafa1ab01e987d15
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: use timestamp to check for set element timeout
Problem Details: Add a timestamp field at the beginning of the transaction, store it in the nftables per-netns area. Update set backend .insert, .deactivate and sync gc path to use the timestamp, this avoids that an element expires while control plane transaction is still unfinished. .lookup and .update, which are us...
```diff diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 001226c34621..510244cc0f8f 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -808,10 +808,16 @@ static inline struct nft_set_elem_expr *nft_set_ext_expr(const struct nft_set_ex retu...
38ed1c7062ada30d7c11e7a7acc749bf27aa14aa
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_ct: reject direction for ct id
Problem Details: Direction attribute is ignored, reject it in case this ever needs to be supported Fixes: 3087c3f7c23b ("netfilter: nft_ct: Add ct id support") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c index aac98a3c966e..bfd3e5a14dab 100644 --- a/net/netfilter/nft_ct.c +++ b/net/netfilter/nft_ct.c @@ -476,6 +476,9 @@ static int nft_ct_get_init(const struct nft_ctx *ctx, break; #endif case NFT_CT_ID: + if (tb[NFTA_CT_DIRECTION]) + return -E...
fa173a1b4e3fd1ab5451cbc57de6fc624c824b0a
Analyze and fix the following issue in the Linux kernel code: netfilter: ctnetlink: fix filtering for zone 0
Problem Details: previously filtering for the default zone would actually skip the zone filter and flush all zones. Fixes: eff3c558bb7e ("netfilter: ctnetlink: support filtering by zone") Reported-by: Ilya Maximets <i.maximets@ovn.org> Closes: https://lore.kernel.org/netdev/2032238f-31ac-4106-8f22-522e76df5a12@ovn.org...
```diff diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 0c22a02c2035..3b846cbdc050 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -876,6 +876,7 @@ struct ctnetlink_filter_u32 { struct ctnetlink_filter { u8 family; + boo...
2fe8a236436fe40d8d26a1af8d150fc80f04ee1a
Analyze and fix the following issue in the Linux kernel code: s390/qeth: Fix potential loss of L3-IP@ in case of network issues
Problem Details: Symptom: In case of a bad cable connection (e.g. dirty optics) a fast sequence of network DOWN-UP-DOWN-UP could happen. UP triggers recovery of the qeth interface. In case of a second DOWN while recovery is still ongoing, it can happen that the IP@ of a Layer3 qeth interface is lost and will not be rec...
```diff diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index b92a32b4b114..04c64ce0a1ca 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -255,9 +255,10 @@ static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover) if (!recover) { ...
27c5a095e2518975e20a10102908ae8231699879
Analyze and fix the following issue in the Linux kernel code: netfilter: ipset: Missing gc cancellations fixed
Problem Details: The patch fdb8e12cc2cc ("netfilter: ipset: fix performance regression in swap operation") missed to add the calls to gc cancellations at the error path of create operations and at module unload. Also, because the half of the destroy operations now executed by a function registered by call_rcu(), neithe...
```diff diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index bcaad9c009fe..3184cc6be4c9 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -1154,6 +1154,7 @@ static int ip_set_create(struct sk_buff *skb, const struct nfnl_info *info, return re...
ccb49011bb2ebfd66164dbf68c5bff48917bb5ef
Analyze and fix the following issue in the Linux kernel code: quota: Properly annotate i_dquot arrays with __rcu
Problem Details: Dquots pointed to from i_dquot arrays in inodes are protected by dquot_srcu. Annotate them as such and change .get_dquots callback to return properly annotated pointer to make sparse happy. Fixes: b9ba6f94b238 ("quota: remove dqptr_sem") Signed-off-by: Jan Kara <jack@suse.cz>
```diff diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 677a9ad45dcb..f38bdd46e4f7 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -674,7 +674,7 @@ struct ext2_inode_info { struct inode vfs_inode; struct list_head i_orphan; /* unlinked but open inodes */ #ifdef CONFIG_QUOTA - struct dquot *i_dquot[MAXQUOTAS...
179b8c97ebf63429589f5afeba59a181fe70603e
Analyze and fix the following issue in the Linux kernel code: quota: Fix rcu annotations of inode dquot pointers
Problem Details: Dquot pointers in i_dquot array in the inode are protected by dquot_srcu. Annotate the array pointers with __rcu, perform the locked dereferences with srcu_dereference_check() instead of plain reads, and set the array elements with rcu_assign_pointer(). Fixes: b9ba6f94b238 ("quota: remove dqptr_sem") ...
```diff diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 106800ce1252..22754460fb6f 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -399,7 +399,7 @@ int dquot_mark_dquot_dirty(struct dquot *dquot) EXPORT_SYMBOL(dquot_mark_dquot_dirty); /* Dirtify all the dquots - this can block when journalling */ -st...
db010ff6700f24f96e91ed56ca29cb69335008ef
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Initialize maps.
Problem Details: kmalloc_array() without __GFP_ZERO flag does not initialize memory to zero. This causes issues. Use kcalloc() for maps and bitmap_zalloc() for bitmaps. Fixes: dd7842878633 ("octeontx2-af: Add new devlink param to configure maximum usable NIX block LFs") Signed-off-by: Ratheesh Kannoth <rkannoth@marvel...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 167145bdcb75..8cfd74ad991c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -1850,8 +1850,8 @@ void npc_mcam_r...
4243bf80c79211a8ca2795401add9c4a3b1d37ca
Analyze and fix the following issue in the Linux kernel code: isofs: handle CDs with bad root inode but good Joliet root directory
Problem Details: I have a CD copy of the original Tom Clancy's Ghost Recon game from 2001. The disc mounts without error on Windows, but on Linux mounting fails with the message "isofs_fill_super: get root inode failed". The error originates in isofs_read_inode, which returns -EIO because de_len is 0. The superblock on...
```diff diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 3e4d53e26f94..379c9edc907c 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -908,8 +908,22 @@ root_found: * we then decide whether to use the Joliet descriptor. */ inode = isofs_iget(s, sbi->s_firstdatazone, 0); - if (IS_ERR(inode)) - goto o...
bc4ce46b1e3d1da4309405cd4afc7c0fcddd0b90
Analyze and fix the following issue in the Linux kernel code: net: ethernet: ti: cpsw: enable mac_managed_pm to fix mdio
Problem Details: The below commit introduced a WARN when phy state is not in the states: PHY_HALTED, PHY_READY and PHY_UP. commit 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state") When cpsw resumes, there have port in PHY_NOLINK state, so the below warning comes out. Set mac_managed_pm be tr...
```diff diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index ea85c6dd5484..c0a5abd8d9a8 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -631,6 +631,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) } } + phy->mac_m...
9def04e759caa5a3d741891037ae99f81e2fff01
Analyze and fix the following issue in the Linux kernel code: net: ethernet: ti: cpsw_new: enable mac_managed_pm to fix mdio
Problem Details: The below commit introduced a WARN when phy state is not in the states: PHY_HALTED, PHY_READY and PHY_UP. commit 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state") When cpsw_new resumes, there have port in PHY_NOLINK state, so the below warning comes out. Set mac_managed_pm b...
```diff diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c index 498c50c6d1a7..087dcb67505a 100644 --- a/drivers/net/ethernet/ti/cpsw_new.c +++ b/drivers/net/ethernet/ti/cpsw_new.c @@ -773,6 +773,9 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) sla...
6074be620c31dc2ae11af96a1a5ea95580976fb5
Analyze and fix the following issue in the Linux kernel code: drm/i915/dsc: Fix the macro that calculates DSCC_/DSCA_ PPS reg address
Problem Details: Commit bd077259d0a9 ("drm/i915/vdsc: Add function to read any PPS register") defines a new macro to calculate the DSC PPS register addresses with PPS number as an input. This macro correctly calculates the addresses till PPS 11 since the addresses increment by 4. So in that case the following macro wor...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_vdsc_regs.h b/drivers/gpu/drm/i915/display/intel_vdsc_regs.h index 64f440fdc22b..8b21dc8e26d5 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc_regs.h +++ b/drivers/gpu/drm/i915/display/intel_vdsc_regs.h @@ -51,8 +51,8 @@ #define DSCC_PICTURE_PARAMETER_SET_0 ...
2526dffc6d65cffa32b88556bd68e4e72e889a55
Analyze and fix the following issue in the Linux kernel code: gpio: remove GPIO device from the list unconditionally in error path
Problem Details: Since commit 48e1b4d369cf ("gpiolib: remove the GPIO device from the list when it's unregistered") we remove the GPIO device entry from the global list (used to order devices by their GPIO ranges) when unregistering the chip, not when releasing the device. It will not happen when the last reference is ...
```diff diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 44c8f5743a24..8b3a0f45b574 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1005,15 +1005,15 @@ err_remove_of_chip: err_free_gpiochip_mask: gpiochip_remove_pin_ranges(gc); gpiochip_free_valid_mask(gc); +err_remove_from_l...
ab0beafd52b98dfb8b8244b2c6794efbc87478db
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_pipapo: remove static in nft_pipapo_get()
Problem Details: This has slipped through when reducing memory footprint for set elements, remove it. Fixes: 9dad402b89e8 ("netfilter: nf_tables: expose opaque set element as struct nft_elem_priv") Reported-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index efd523496be4..f24ecdaa1c1e 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -603,7 +603,7 @@ static struct nft_elem_priv * nft_pipapo_get(const struct net *net, const struct nft_set *set, ...
bf4c27b8267d7848bb81fd41e6aa07aa662f07fb
Analyze and fix the following issue in the Linux kernel code: drm/xe: Remove TEST_VM_ASYNC_OPS_ERROR
Problem Details: TEST_VM_ASYNC_OPS_ERROR is broken and unused. Remove for now and will pull back in a later time when it is used, fixed, and properly hidden behind a Kconfig option. Also fixup the supported flags value. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Signed-off-by: Matthew Br...
```diff diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index a9df89413155..865e10d0a06a 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -37,8 +37,6 @@ #include "generated/xe_wa_oob.h" #include "xe_wa.h" -#define TEST_VM_ASYNC_OPS_ERROR - static struct drm_gem_objec...
9e3fc1d65d4e8cf302e289847ab165ad9358fdb2
Analyze and fix the following issue in the Linux kernel code: drm/xe/vm: don't ignore error when in_kthread
Problem Details: If GUP fails and we are in_kthread, we can have pinned = 0 and ret = 0. If that happens we call sg_alloc_append_table_from_pages() with n_pages = 0, which is not well behaved and can trigger: kernel BUG at include/linux/scatterlist.h:115! depending on if the pages array happens to be zeroed or not. E...
```diff diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 99f151d73154..a9df89413155 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -114,11 +114,8 @@ retry: num_pages - pinned, read_only ? 0 : FOLL_WRITE, &pages[pinned]); - if (ret < 0) { - ...
95c058c8ef1d5d9e39ab2039a5eea4d5b93f4117
Analyze and fix the following issue in the Linux kernel code: drm/xe: Assume large page size if VMA not yet bound
Problem Details: The calculation to determine max page size of a VMA during a REMAP operations assumes the VMA has been bound. This assumption is not true if the VMA is from an eariler operation in an array of binds. If a VMA has not been bound use the maximum page size which will ensure the previous / next REMAP opera...
```diff diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index ca11f8381115..99f151d73154 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -2200,8 +2200,10 @@ static u64 xe_vma_max_pte_size(struct xe_vma *vma) return SZ_1G; else if (vma->gpuva.flags & XE_VMA_PTE_2M) ...
11572b3f68d9933fef5c1afef4c20041701d8025
Analyze and fix the following issue in the Linux kernel code: drm/xe/display: Fix memleak in display initialization
Problem Details: intel_power_domains_init is called twice in xe_device_probe: 1) intel_power_domains_init() xe_display_init_nommio() xe_device_probe() 2) intel_power_domains_init() intel_display_driver_probe_noirq() xe_display_init_noirq() xe_device_probe() It needs remove one to avoid power_domains->...
```diff diff --git a/drivers/gpu/drm/xe/xe_display.c b/drivers/gpu/drm/xe/xe_display.c index 74391d9b11ae..e4db069f0db3 100644 --- a/drivers/gpu/drm/xe/xe_display.c +++ b/drivers/gpu/drm/xe/xe_display.c @@ -134,8 +134,6 @@ static void xe_display_fini_nommio(struct drm_device *dev, void *dummy) int xe_display_init_no...
3aa3c5c249086ffc920e8f6d6a15bdd441153d45
Analyze and fix the following issue in the Linux kernel code: drm/xe: Map both mem.kernel_bb_pool and usm.bb_pool
Problem Details: For integrated devices we need to map both mem.kernel_bb_pool and usm.bb_pool to be able to run batches from both pools. Fixes: a682b6a42d4d ("drm/xe: Support device page faults on integrated platforms") Tested-by: Brian Welty <brian.welty@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.c...
```diff diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 3af2adec1295..35474ddbaf97 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -437,7 +437,10 @@ static int all_fw_domain_init(struct xe_gt *gt) * USM has its only SA pool to non-block behind user operations ...
90773aaf9129ea6f47915bd3c47da261abe6a447
Analyze and fix the following issue in the Linux kernel code: drm/xe: circumvent bogus stringop-overflow warning
Problem Details: gcc-13 warns about an array overflow that it sees but that is prevented by the "asid % NUM_PF_QUEUE" calculation: drivers/gpu/drm/xe/xe_gt_pagefault.c: In function 'xe_guc_pagefault_handler': include/linux/fortify-string.h:57:33: error: writing 16 bytes into a region of size 0 [-Werror=stringop-overfl...
```diff diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c index 9c2fe1697d6e..73f08f1924df 100644 --- a/drivers/gpu/drm/xe/xe_gt_pagefault.c +++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c @@ -335,7 +335,7 @@ int xe_guc_pagefault_handler(struct xe_guc *guc, u32 *msg, u32 len) return...
21abf108a062fa0323077b5ba3d26e2c0bba9232
Analyze and fix the following issue in the Linux kernel code: drm/xe: Pick correct userptr VMA to repin on REMAP op failure
Problem Details: A REMAP op is composed of 3 VMA's - unmap, prev map, and next map. When op_execute fails with -EAGAIN we need to update the local VMA pointer to the current op state and then repin the VMA if it is a userptr. Fixes a failure seen in xe_vm.munmap-style-unbind-userptr-one-partial. Fixes: b06d47be7c83 (...
```diff diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 96b1833c0e8c..ca11f8381115 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -2531,13 +2531,25 @@ retry_userptr: } drm_exec_fini(&exec); - if (err == -EAGAIN && xe_vma_is_userptr(vma)) { + if (err == -EAGA...
fc29b6d5ab5395dcb9f35de71e0347f3a6bca542
Analyze and fix the following issue in the Linux kernel code: drm/xe: Take a reference in xe_exec_queue_last_fence_get()
Problem Details: Take a reference in xe_exec_queue_last_fence_get(). Also fix a reference counting underflow bug VM bind and unbind. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.i...
```diff diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index bcfc4127c7c5..254b1d3af4cb 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -926,20 +926,24 @@ void xe_exec_queue_last_fence_put_unlocked(struct xe_exec_queue *q) * @q: The exe...
ddc7d4c584704666fe7088bbd9ec2d72d0f63e65
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix loop in vm_bind_ioctl_ops_unwind
Problem Details: The logic for the unwind loop is incorrect resulting in an infinite loop. Fix to unwind to go from the last operations list to he first. Fixes: 617eebb9c480 ("drm/xe: Fix array of binds") Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.int...
```diff diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 30db264d34a3..d45cbf75d203 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -2669,7 +2669,7 @@ static void vm_bind_ioctl_ops_unwind(struct xe_vm *vm, { int i; - for (i = num_ops_list - 1; i; ++i) { + for (...
855678ed8534518e2b428bcbcec695de9ba248e8
Analyze and fix the following issue in the Linux kernel code: md: Fix missing release of 'active_io' for flush
Problem Details: submit_flushes atomic_set(&mddev->flush_pending, 1); rdev_for_each_rcu(rdev, mddev) atomic_inc(&mddev->flush_pending); bi->bi_end_io = md_end_flush submit_bio(bi); /* flush io is done first */ md_end_flush if (atomic_dec_a...
```diff diff --git a/drivers/md/md.c b/drivers/md/md.c index 2266358d8074..e52896c140bd 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -579,8 +579,12 @@ static void submit_flushes(struct work_struct *ws) rcu_read_lock(); } rcu_read_unlock(); - if (atomic_dec_and_test(&mddev->flush_pending)) + if (atomic...
5bc09b397cbf1221f8a8aacb1152650c9195b02b
Analyze and fix the following issue in the Linux kernel code: nilfs2: fix potential bug in end_buffer_async_write
Problem Details: According to a syzbot report, end_buffer_async_write(), which handles the completion of block device writes, may detect abnormal condition of the buffer async_write flag and cause a BUG_ON failure when using nilfs2. Nilfs2 itself does not use end_buffer_async_write(). But, the async_write flag is now...
```diff diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 2590a0860eab..2bfb08052d39 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1703,7 +1703,6 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_b...
b9e4bc1046d20e0623a80660ef8627448056f817
Analyze and fix the following issue in the Linux kernel code: mm/damon/sysfs-schemes: fix wrong DAMOS tried regions update timeout setup
Problem Details: DAMON sysfs interface's update_schemes_tried_regions command has a timeout of two apply intervals of the DAMOS scheme. Having zero value DAMOS scheme apply interval means it will use the aggregation interval as the value. However, the timeout setup logic is mistakenly using the sampling interval inst...
```diff diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 8dbaac6e5c2d..dd2fb5127009 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -2194,7 +2194,7 @@ static void damos_tried_regions_init_upd_status( sysfs_regions->upd_timeout_jiffies = jiffies + 2 * usecs_to_jiffies...
38296afe3c6ee07319e01bb249aa4bb47c07b534
Analyze and fix the following issue in the Linux kernel code: nilfs2: fix hang in nilfs_lookup_dirty_data_buffers()
Problem Details: Syzbot reported a hang issue in migrate_pages_batch() called by mbind() and nilfs_lookup_dirty_data_buffers() called in the log writer of nilfs2. While migrate_pages_batch() locks a folio and waits for the writeback to complete, the log writer thread that should bring the writeback to completion picks...
```diff diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c index bec33b89a075..0e3fc5ba33c7 100644 --- a/fs/nilfs2/file.c +++ b/fs/nilfs2/file.c @@ -107,7 +107,13 @@ static vm_fault_t nilfs_page_mkwrite(struct vm_fault *vmf) nilfs_transaction_commit(inode->i_sb); mapped: - folio_wait_stable(folio); + /* + * Since ...
27d3969b47cc38810b3fd65d72231940e8671e6c
Analyze and fix the following issue in the Linux kernel code: mm/zswap: don't return LRU_SKIP if we have dropped lru lock
Problem Details: LRU_SKIP can only be returned if we don't ever dropped lru lock, or we need to return LRU_RETRY to restart from the head of lru list. Otherwise, the iteration might continue from a cursor position that was freed while the locks were dropped. Actually we may need to introduce another LRU_STOP to reall...
```diff diff --git a/mm/zswap.c b/mm/zswap.c index 0a94b197ed32..350dd2fc8159 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -895,10 +895,8 @@ static enum lru_status shrink_memcg_cb(struct list_head *item, struct list_lru_o * into the warmer region. We should terminate shrinking (if we're in the dynamic * shrinker...
79d72c68c58784a3e1cd2378669d51bfd0cb7498
Analyze and fix the following issue in the Linux kernel code: fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super
Problem Details: When configuring a hugetlb filesystem via the fsconfig() syscall, there is a possible NULL dereference in hugetlbfs_fill_super() caused by assigning NULL to ctx->hstate in hugetlbfs_parse_param() when the requested pagesize is non valid. E.g: Taking the following steps: fd = fsopen("hugetlbfs", ...
```diff diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index ee13c2ca8ad2..d746866ae3b6 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1365,6 +1365,7 @@ static int hugetlbfs_parse_param(struct fs_context *fc, struct fs_parameter *par { struct hugetlbfs_fs_context *ctx = fc->fs_private; ...
2e601e1e8e4b330020a346c55ba111d49e0b188e
Analyze and fix the following issue in the Linux kernel code: mm: zswap: fix objcg use-after-free in entry destruction
Problem Details: In the per-memcg LRU universe, LRU removal uses entry->objcg to determine which list count needs to be decreased. Drop the objcg reference after updating the LRU, to fix a possible use-after-free. Link: https://lkml.kernel.org/r/20240130013438.565167-1-hannes@cmpxchg.org Fixes: a65b0e7607cc ("zswap: ...
```diff diff --git a/mm/zswap.c b/mm/zswap.c index ca25b676048e..0a94b197ed32 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -536,10 +536,6 @@ static struct zpool *zswap_find_zpool(struct zswap_entry *entry) */ static void zswap_free_entry(struct zswap_entry *entry) { - if (entry->objcg) { - obj_cgroup_uncharge_zswap...
4c2da3188b848d33c26d7f0f8b14f3150331c923
Analyze and fix the following issue in the Linux kernel code: mm/madvise: don't forget to leave lazy MMU mode in madvise_cold_or_pageout_pte_range()
Problem Details: We need to leave lazy MMU mode before unlocking. Link: https://lkml.kernel.org/r/20240126032608.355899-1-senozhatsky@chromium.org Fixes: b2f557a21bc8 ("mm/madvise: add cond_resched() in madvise_cold_or_pageout_pte_range()") Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Jiexun Wang <...
```diff diff --git a/mm/madvise.c b/mm/madvise.c index 912155a94ed5..cfa5e7288261 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -429,6 +429,7 @@ restart: if (++batch_count == SWAP_CLUSTER_MAX) { batch_count = 0; if (need_resched()) { + arch_leave_lazy_mmu_mode(); pte_unmap_unlock(start_pte, ptl); ...
e870920bbe68e52335a4c31a059e6af6a9a59dbb
Analyze and fix the following issue in the Linux kernel code: arch/arm/mm: fix major fault accounting when retrying under per-VMA lock
Problem Details: The change [1] missed ARM architecture when fixing major fault accounting for page fault retry under per-VMA lock. The user-visible effects is that it restores correct major fault accounting that was broken after [2] was merged in 6.7 kernel. The more detailed description is in [3] and this patch simp...
```diff diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index e96fb40b9cc3..07565b593ed6 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -298,6 +298,8 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) goto done; } count_vm_vma_lock_event(VMA_LOCK_RETRY); + if (faul...
01c1484ac04790fe27a37f89dd3a350f99646815
Analyze and fix the following issue in the Linux kernel code: selftests: core: include linux/close_range.h for CLOSE_RANGE_* macros
Problem Details: Correct header file is needed for getting CLOSE_RANGE_* macros. Previously it was tested with newer glibc which didn't show the need to include the header which was a mistake. Link: https://lkml.kernel.org/r/20231024155137.219700-1-usama.anjum@collabora.com Fixes: ec54424923cf ("selftests: core: remo...
```diff diff --git a/tools/testing/selftests/core/close_range_test.c b/tools/testing/selftests/core/close_range_test.c index 534576f06df1..c59e4adb905d 100644 --- a/tools/testing/selftests/core/close_range_test.c +++ b/tools/testing/selftests/core/close_range_test.c @@ -12,6 +12,7 @@ #include <syscall.h> #include <un...
2fde9e7f9e6dc38e1d7091b9705c22be945c8697
Analyze and fix the following issue in the Linux kernel code: mm/memory-failure: fix crash in split_huge_page_to_list from soft_offline_page
Problem Details: When I did soft offline stress test, a machine was observed to crash with the following message: kernel BUG at include/linux/memcontrol.h:554! invalid opcode: 0000 [#1] PREEMPT SMP NOPTI CPU: 5 PID: 3837 Comm: hwpoison.sh Not tainted 6.7.0-next-20240112-00001-g8ecf3e7fb7c8-dirty #97 Hardware n...
```diff diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 636280d04008..9349948f1abf 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1377,6 +1377,9 @@ void ClearPageHWPoisonTakenOff(struct page *page) */ static inline bool HWPoisonHandlable(struct page *page, unsigned long flags) { + if (P...
9cee7e8ef3e31ca25b40ca52b8585dc6935deff2
Analyze and fix the following issue in the Linux kernel code: mm: memcg: optimize parent iteration in memcg_rstat_updated()
Problem Details: In memcg_rstat_updated(), we iterate the memcg being updated and its parents to update memcg->vmstats_percpu->stats_updates in the fast path (i.e. no atomic updates). According to my math, this is 3 memory loads (and potentially 3 cache misses) per memcg: - Load the address of memcg->vmstats_percpu. - ...
```diff diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 46d8d02114cf..1ed40f9d3a27 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -621,6 +621,15 @@ static inline int memcg_events_index(enum vm_event_item idx) } struct memcg_vmstats_percpu { + /* Stats updates since the last flush */ + unsigned int sta...
67b8bcbaed4777871bb0dcc888fb02a614a98ab1
Analyze and fix the following issue in the Linux kernel code: nilfs2: fix data corruption in dsync block recovery for small block sizes
Problem Details: The helper function nilfs_recovery_copy_block() of nilfs_recovery_dsync_blocks(), which recovers data from logs created by data sync writes during a mount after an unclean shutdown, incorrectly calculates the on-page offset when copying repair data to the file's page cache. In environments where the b...
```diff diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index 0955b657938f..a9b8d77c8c1d 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -472,9 +472,10 @@ static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, static int nilfs_recovery_copy_block(struct the_nilfs *nilfs, ...
56ae10cf628b02279980d17439c6241a643959c2
Analyze and fix the following issue in the Linux kernel code: mm/userfaultfd: UFFDIO_MOVE implementation should use ptep_get()
Problem Details: Commit c33c794828f2 ("mm: ptep_get() conversion") converted all (non-arch) call sites to use ptep_get() instead of doing a direct dereference of the pte. Full rationale can be found in that commit's log. Since then, UFFDIO_MOVE has been implemented which does 7 direct pte dereferences. Let's fix tho...
```diff diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c index 75fcf1f783bc..7cf7d4384259 100644 --- a/mm/userfaultfd.c +++ b/mm/userfaultfd.c @@ -902,8 +902,8 @@ static int move_present_pte(struct mm_struct *mm, double_pt_lock(dst_ptl, src_ptl); - if (!pte_same(*src_pte, orig_src_pte) || - !pte_same(*dst_pte...
e656c7a9e59607d1672d85ffa9a89031876ffe67
Analyze and fix the following issue in the Linux kernel code: mm: hugetlb pages should not be reserved by shmat() if SHM_NORESERVE
Problem Details: For shared memory of type SHM_HUGETLB, hugetlb pages are reserved in shmget() call. If SHM_NORESERVE flags is specified then the hugetlb pages are not reserved. However when the shared memory is attached with the shmat() call the hugetlb pages are getting reserved incorrectly for SHM_HUGETLB shared m...
```diff diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 671664fed307..ee13c2ca8ad2 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -100,6 +100,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) loff_t len, vma_len; int ret; struct hstate *h = hstate_f...
b91da7308171ac4ad2623d371f37288dafbb3bdc
Analyze and fix the following issue in the Linux kernel code: PCI: endpoint: Make pci_epf_bus_type const
Problem Details: Now that the driver core can properly handle constant struct bus_type, move the pci_epf_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Suggested-by: Greg Kroah-Hartman <gre...
```diff diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c index 2c32de667937..bf655383e5ed 100644 --- a/drivers/pci/endpoint/pci-epf-core.c +++ b/drivers/pci/endpoint/pci-epf-core.c @@ -17,7 +17,7 @@ static DEFINE_MUTEX(pci_epf_mutex); -static struct bus_type pci_epf_bus_type; ...
45bf79bc56c4158afb6f57cca67ac0ef0a7073ef
Analyze and fix the following issue in the Linux kernel code: selftests: bonding: reduce garp_test/arp_validate test time
Problem Details: The purpose of grat_arp is testing commit 9949e2efb54e ("bonding: fix send_peer_notif overflow"). As the send_peer_notif was defined to u8, to overflow it, we need to send_peer_notif = num_peer_notif * peer_notif_delay = num_grat_arp * peer_notify_delay / miimon > 255 (kernel) (kernel para...
```diff diff --git a/tools/testing/selftests/drivers/net/bonding/bond_options.sh b/tools/testing/selftests/drivers/net/bonding/bond_options.sh index d508486cc0bd..6fd0cff3e1e9 100755 --- a/tools/testing/selftests/drivers/net/bonding/bond_options.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond_options.sh @@ -4...
108a020c64434fed4b69762879d78cd24088b4c7
Analyze and fix the following issue in the Linux kernel code: ksmbd: free aux buffer if ksmbd_iov_pin_rsp_read fails
Problem Details: ksmbd_iov_pin_rsp_read() doesn't free the provided aux buffer if it fails. Seems to be the caller's responsibility to clear the buffer in error case. Found by Linux Verification Center (linuxtesting.org). Fixes: e2b76ab8b5c9 ("ksmbd: add support for read compound") Cc: stable@vger.kernel.org Signed-o...
```diff diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index ba7a72a6a4f4..0c97d3c86072 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -6173,8 +6173,10 @@ static noinline int smb2_read_pipe(struct ksmbd_work *work) err = ksmbd_iov_pin_rsp_read(work, (void *)rsp, offs...
a2bff65cfca93f0fe4c5996f55ce8f413e85e4fe
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix error checking for cpumask_success__load()
Problem Details: We should verify the return value of cpumask_success__load(). Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20240206081416.26242-4-laoar.shao@gmail.com
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/cpumask.c b/tools/testing/selftests/bpf/prog_tests/cpumask.c index c2e886399e3c..ecf89df78109 100644 --- a/tools/testing/selftests/bpf/prog_tests/cpumask.c +++ b/tools/testing/selftests/bpf/prog_tests/cpumask.c @@ -27,7 +27,7 @@ static void verify_success(cons...
903fad4394666bc23975c93fb58f137ce64b5192
Analyze and fix the following issue in the Linux kernel code: tools/resolve_btfids: Fix cross-compilation to non-host endianness
Problem Details: The .BTF_ids section is pre-filled with zeroed BTF ID entries during the build and afterwards patched by resolve_btfids with correct values. Since resolve_btfids always writes in host-native endianness, it relies on libelf to do the translation when the target ELF is cross-compiled to a different endia...
```diff diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c index 32634f00abba..d9520cb826b3 100644 --- a/tools/bpf/resolve_btfids/main.c +++ b/tools/bpf/resolve_btfids/main.c @@ -90,6 +90,14 @@ #define ADDR_CNT 100 +#if __BYTE_ORDER == __LITTLE_ENDIAN +# define ELFDATANATIVE ELFDATA2LSB...
534c8a5b9d5d41d30cdcac93cfa1bca5e17be009
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix HDP flush for VFs on nbio v7.9
Problem Details: HDP flush remapping is not done for VFs. Keep the original offsets in VF environment. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c index e90f33780803..b4723d68eab0 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c @@ -431,6 +431,12 @@ static void nbio_v7_9_init_registers(struct amdgpu_device *adev) u...
58fca355ad37dcb5f785d9095db5f748b79c5dc2
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Implement bounds check for stream encoder creation in DCN301
Problem Details: 'stream_enc_regs' array is an array of dcn10_stream_enc_registers structures. The array is initialized with four elements, corresponding to the four calls to stream_enc_regs() in the array initializer. This means that valid indices for this array are 0, 1, 2, and 3. The error message 'stream_enc_regs'...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c index 511ff6b5b985..7538b548c572 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn...
da48914e1fcdbf57f6b95d4552fcc088e6547ce4
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Clear phantom stream count and plane count
Problem Details: When dc_state_destruct() was refactored the new phantom_stream_count and phantom_plane_count members weren't cleared. Fixes: 012a04b1d6af ("drm/amd/display: Refactor phantom resource allocation") Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c index 88c6436b28b6..180ac47868c2 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c @@ -291,11 +291,14 @@ void dc_state_destruct(struct dc_st...
e6a7df96facdcf5b1f71eb3ec26f2f9f6ad61e57
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix MST Null Ptr for RV
Problem Details: The change try to fix below error specific to RV platform: BUG: kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2 Hardware name: LENOVO 20NKS01Y00/20N...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d292f290cd6e..59d2eee72a32 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -10731,11 +10731,13 @@ static int amdgpu_d...
2dcf82a8e8dc930655787797ef8a3692b527c7a9
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix shared buff copy to user
Problem Details: ta if invoke node buffer |-------- ta type ----------| |-------- ta id ----------| |-------- cmd id ----------| |------ shared buf len -----| |------ shared buffer ------| ta if invoke node buffer is as above, copy shared buffer data to correct location Signed-off-by: Stanley.Yang <Stanley.Yang@am...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c index 468a67b302d4..ca5c86e5f7cd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c @@ -362,7 +362,7 @@ static ssize_t ta_if_invoke_debugfs_write(struct file...
897925dcc5dfff5b3b23ba991a89fe3ebaca6ef8
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: remove asymmetrical irq disabling in jpeg 4.0.5 suspend
Problem Details: A supplement to commit: 615dd56ac5379f4239940be69139a33e79e59c67 There is an irq warning of jpeg during resume in s2idle process. No irq enabled in jpeg 4.0.5 resume. Fixes: 615dd56ac537 ("drm/amdgpu: remove asymmetrical irq disabling in vcn 4.0.5 suspend") Signed-off-by: Li Ma <li.ma@amd.com> Acked-B...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c index bc38b90f8cf8..88ea58d5c4ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c @@ -674,14 +674,6 @@ static int jpeg_v4_0_set_powergating_state(void *handle, return re...
66951d98d9bf45ba25acf37fe0747253fafdf298
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add NULL test for 'timing generator' in 'dcn21_set_pipe()'
Problem Details: In "u32 otg_inst = pipe_ctx->stream_res.tg->inst;" pipe_ctx->stream_res.tg could be NULL, it is relying on the caller to ensure the tg is not NULL. Fixes: 474ac4a875ca ("drm/amd/display: Implement some asic specific abm call backs.") Cc: Yongqiang Sun <yongqiang.sun@amd.com> Cc: Anthony Koo <Anthony.K...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c index a9cd39f77360..5c7f380a84f9 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c @@ -206,28 +206,32 @@...
e96fddb32931d007db12b1fce9b5e8e4c080401b
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'
Problem Details: 'panel_cntl' structure used to control the display panel could be null, dereferencing it could lead to a null pointer access. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn21/dcn21_hwseq.c:269 dcn21_set_backlight_level() error: we previously assumed 'panel_cntl' could be null (see ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c index 8e88dcaf88f5..a9cd39f77360 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c @@ -237,34 +237,35 @@...
03f6298c7cf6d2c1ccd0961ab9b340502d63840a
Analyze and fix the following issue in the Linux kernel code: KVM: x86/emulator: emulate movbe with operand-size prefix
Problem Details: The MOVBE instruction can come with an operand-size prefix (66h). In this, case the x86 emulation code returns EMULATION_FAILED. It turns out that em_movbe can already handle this case and all that is missing is an entry in respective opcode tables to populate gprefix->pfx_66. Signed-off-by: Thomas P...
```diff diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index e223043ef5b2..c75924f4f737 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4505,11 +4505,11 @@ static const struct instr_dual instr_dual_0f_38_f1 = { }; static const struct gprefix three_byte_0f_38_f0 = { - ID(0, &instr_...
d694b754894c93fb4d71a7f3699439dec111decc
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_compat: restrict match/target protocol to u16
Problem Details: xt_check_{match,target} expects u16, but NFTA_RULE_COMPAT_PROTO is u32. NLA_POLICY_MAX(NLA_BE32, 65535) cannot be used because .max in nla_policy is s16, see 3e48be05f3c7 ("netlink: add attribute range validation to policy"). Fixes: 0ca743a55991 ("netfilter: nf_tables: add compatibility layer for x_t...
```diff diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index ed71d5ecbe0a..1f9474fefe84 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -200,6 +200,7 @@ static const struct nla_policy nft_rule_compat_policy[NFTA_RULE_COMPAT_MAX + 1] static int nft_parse_compat(const st...
292781c3c5485ce33bd22b2ef1b2bed709b4d672
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_compat: reject unused compat flag
Problem Details: Flag (1 << 0) is ignored is set, never used, reject it it with EINVAL instead. Fixes: 0ca743a55991 ("netfilter: nf_tables: add compatibility layer for x_tables") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index ca30232b7bc8..117c6a9b845b 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -285,9 +285,11 @@ enum nft_rule_attributes { /** * enum nft_rule_compat_fla...
36fa8d697132b4bed2312d700310e8a78b000c84
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_compat: narrow down revision to unsigned 8-bits
Problem Details: xt_find_revision() expects u8, restrict it to this datatype. Fixes: 0ca743a55991 ("netfilter: nf_tables: add compatibility layer for x_tables") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index f0eeda97bfcd..001b6841a4b6 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -135,7 +135,7 @@ static void nft_target_eval_bridge(const struct nft_expr *expr, static const struct nla_policy nft_target_policy[N...
46f5ab762d048dad224436978315cbc2fa79c630
Analyze and fix the following issue in the Linux kernel code: fs: relax mount_setattr() permission checks
Problem Details: When we added mount_setattr() I added additional checks compared to the legacy do_reconfigure_mnt() and do_change_type() helpers used by regular mount(2). If that mount had a parent then verify that the caller and the mount namespace the mount is attached to match and if not make sure that it's an anon...
```diff diff --git a/fs/namespace.c b/fs/namespace.c index 437f60e96d40..5a51315c6678 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -4472,10 +4472,15 @@ static int do_mount_setattr(struct path *path, struct mount_kattr *kattr) /* * If this is an attached mount make sure it's located in the callers * mount...
5f623835584f1c8d1030666796f40c47a448ce0b
Analyze and fix the following issue in the Linux kernel code: pwm: sti: Fix capture for st,pwm-num-chan < st,capture-num-chan
Problem Details: The driver only used the number of pwm channels to set the pwm_chip's npwm member. The result is that if there are more capture channels than PWM channels specified in the device tree, only a part of the capture channel is usable. Fix that by passing the bigger channel count to the pwm framework. This ...
```diff diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c index 6cf55cf34d39..69b1113c6b82 100644 --- a/drivers/pwm/pwm-sti.c +++ b/drivers/pwm/pwm-sti.c @@ -395,8 +395,17 @@ out: static int sti_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { + struct sti_pwm_ch...
b5d1b4b46f856da1473c7ba9a5cdfcb55c9b2478
Analyze and fix the following issue in the Linux kernel code: PCI: dwc: Fix a 64bit bug in dw_pcie_ep_raise_msix_irq()
Problem Details: The "msg_addr" variable is u64. However, the "aligned_offset" is an unsigned int. This means that when the code does: msg_addr &= ~aligned_offset; it will unintentionally zero out the high 32 bits. Use ALIGN_DOWN() to do the alignment instead. Fixes: 2217fffcd63f ("PCI: dwc: endpoint: Fix dw_pc...
```diff diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 5befed2dc02b..d6b66597101e 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -6,6 +6,7 @@ * Author: Kishon Vijay Abraham I <k...
e8c263ed6de8183e670fbd127c2512292a2ad8eb
Analyze and fix the following issue in the Linux kernel code: nvme-core: fix comment to reflect right functions
Problem Details: The functions and the attribute listed in the comment doesn't exists in the code, (ns->logging_enabled, nvme_passthru_err_log_enabled_store() and nvme_passthru_err_log_enabled_show()) Update the comment with right function names and a comment ns->head->passthru_err_log_enabled, nvme_io_passthru_err_lo...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 246e92c05aac..60537c9224bf 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3761,8 +3761,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info) /* * Set ns->disk->device->driver_data ...
1f4137e882c621f8ed4bd4da9b10cf91d059e52a
Analyze and fix the following issue in the Linux kernel code: nvme: move passthrough logging attribute to head
Problem Details: The namespace does not have attributes, but the head does. Move the new logging attribute to that structure instead of dereferencing the wrong type. And while we're here, fix the reverse-tree coding style. Fixes: 9f079dda14339e ("nvme: allow passthru cmd error logging") Reported-by: Tasmiya Nalatwad ...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 975245527c1f..246e92c05aac 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -713,7 +713,7 @@ void nvme_init_request(struct request *req, struct nvme_command *cmd) if (req->q->queuedata) { struct nvme_ns *ns = req-...
3951f6add519a8e954bf78691a412f65b24f4715
Analyze and fix the following issue in the Linux kernel code: riscv: Fix arch_tlbbatch_flush() by clearing the batch cpumask
Problem Details: We must clear the cpumask once we have flushed the batch, otherwise cpus get accumulated and we end sending IPIs to more cpus than needed. Fixes: 54d7431af73e ("riscv: Add support for BATCHED_UNMAP_TLB_FLUSH") Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Reviewed-by: Charlie Jenkins <charli...
```diff diff --git a/arch/riscv/mm/tlbflush.c b/arch/riscv/mm/tlbflush.c index dffb0e5bd942..893566e004b7 100644 --- a/arch/riscv/mm/tlbflush.c +++ b/arch/riscv/mm/tlbflush.c @@ -234,4 +234,5 @@ void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch) { __flush_tlb_range(&batch->cpumask, FLUSH_TLB_NO_ASID, ...
bb5c0229285fb12a5f433b2b8c5fd0ec2e4795e2
Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-sc8180x: Add missing UFS QREF clocks
Problem Details: Add missing QREF clocks for UFS MEM and UFS CARD controllers. Fixes: 4433594bbe5d ("clk: qcom: gcc: Add global clock controller driver for SC8180x") Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/...
```diff diff --git a/drivers/clk/qcom/gcc-sc8180x.c b/drivers/clk/qcom/gcc-sc8180x.c index 1351c52bcacb..c72e3dbc6f88 100644 --- a/drivers/clk/qcom/gcc-sc8180x.c +++ b/drivers/clk/qcom/gcc-sc8180x.c @@ -3347,6 +3347,19 @@ static struct clk_branch gcc_ufs_card_2_unipro_core_clk = { }, }; +static struct clk_branch g...
2f8cf2c3f3e3f7ef61bd19abb4b0bb797ad50aaf
Analyze and fix the following issue in the Linux kernel code: clk: qcom: reset: Ensure write completion on reset de/assertion
Problem Details: Trying to toggle the resets in a rapid fashion can lead to the changes not actually arriving at the clock controller block when we expect them to. This was observed at least on SM8250. Read back the value after regmap_update_bits to ensure write completion. Fixes: b36ba30c8ac6 ("clk: qcom: Add reset ...
```diff diff --git a/drivers/clk/qcom/reset.c b/drivers/clk/qcom/reset.c index 20d1d35aaf22..d96c96a9089f 100644 --- a/drivers/clk/qcom/reset.c +++ b/drivers/clk/qcom/reset.c @@ -33,7 +33,12 @@ static int qcom_reset_set_assert(struct reset_controller_dev *rcdev, map = &rst->reset_map[id]; mask = map->bitmask ? map-...
2cf963787529f615f7c93bdcf13a5e82029e7f38
Analyze and fix the following issue in the Linux kernel code: riscv: declare overflow_stack as exported from traps.c
Problem Details: The percpu area overflow_stacks is exported from arch/riscv/kernel/traps.c for use in the entry code, but is not declared anywhere. Add the relevant declaration to arch/riscv/include/asm/stacktrace.h to silence the following sparse warning: arch/riscv/kernel/traps.c:395:1: warning: symbol '__pcpu_scop...
```diff diff --git a/arch/riscv/include/asm/stacktrace.h b/arch/riscv/include/asm/stacktrace.h index f7e8ef2418b9..b1495a7e06ce 100644 --- a/arch/riscv/include/asm/stacktrace.h +++ b/arch/riscv/include/asm/stacktrace.h @@ -21,4 +21,9 @@ static inline bool on_thread_stack(void) return !(((unsigned long)(current->stack...
ce68c035457bdd025a9961e0ba2157323090c581
Analyze and fix the following issue in the Linux kernel code: riscv: Fix arch_hugetlb_migration_supported() for NAPOT
Problem Details: arch_hugetlb_migration_supported() must be reimplemented to add support for NAPOT hugepages, which is done here. Fixes: 82a1a1f3bfb6 ("riscv: mm: support Svnapot in hugetlb page") Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/20240130120114.106003-1-alexghiti@...
```diff diff --git a/arch/riscv/include/asm/hugetlb.h b/arch/riscv/include/asm/hugetlb.h index 4c5b0e929890..20f9c3ba2341 100644 --- a/arch/riscv/include/asm/hugetlb.h +++ b/arch/riscv/include/asm/hugetlb.h @@ -11,6 +11,9 @@ static inline void arch_clear_hugepage_flags(struct page *page) } #define arch_clear_hugepage...
d5597444032b2f5c8624918fb5b29be5bba78a3c
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix HDP flush for VFs on nbio v7.9
Problem Details: HDP flush remapping is not done for VFs. Keep the original offsets in VF environment. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c index e90f33780803..b4723d68eab0 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c @@ -431,6 +431,12 @@ static void nbio_v7_9_init_registers(struct amdgpu_device *adev) u...
15dba12c5659772f9a5e5194f18160ed5dda470e
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Implement bounds check for stream encoder creation in DCN301
Problem Details: 'stream_enc_regs' array is an array of dcn10_stream_enc_registers structures. The array is initialized with four elements, corresponding to the four calls to stream_enc_regs() in the array initializer. This means that valid indices for this array are 0, 1, 2, and 3. The error message 'stream_enc_regs'...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c index 511ff6b5b985..7538b548c572 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn...
3cafcc93cfefd799a48c72d8851ba54231da7d2a
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Clear phantom stream count and plane count
Problem Details: When dc_state_destruct() was refactored the new phantom_stream_count and phantom_plane_count members weren't cleared. Fixes: 012a04b1d6af ("drm/amd/display: Refactor phantom resource allocation") Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c index 88c6436b28b6..180ac47868c2 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c @@ -291,11 +291,14 @@ void dc_state_destruct(struct dc_st...
04e1ef8aba14bff941714a48133a126356ad842f
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Simplify the calculation of variables
Problem Details: ./drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c:236:49-51: WARNING !A || A && B is equivalent to !A || B. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8169 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Alex...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c index 1068b962d1c1..f15d1dbad6a9 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c @@ -234,7 +234,7 @@ static bool get_plane_id(stru...
3fa6352415e15186198edf7f6e8d23c7f6b9d96d
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: 3.2.271
Problem Details: This version brings along the following: - DCN35 fixes - DMUB fixes - Link training fixes - Misc code style fixes - MST fixes - ODM fixes - SubVP fixes Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Aric Cyr <aric.cyr@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 07e6f25269e8..c789cc2e216d 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -51,7 +51,7 @@ struct aux_payload; struct set_config_cmd_payload; struct dmub_notification; -#...
84d2ae7ca0e5df1b698fd036c41b6b85deac92e8
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Adjust set_p_state calls to fix logging
Problem Details: Update the p_state type before update_clocks is called to ensure accurate values are used for logging. Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Ethan Bitnun <etbitnun@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index e58bd0861dc0..9127805f19f4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3565,6 +3565,17 @@ static void commit_planes_for_stream(struct dc *dc, if (...
1b5b72b4d67c1e72c4fc19151fd669acecc92faa
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix MST Null Ptr for RV
Problem Details: The change try to fix below error specific to RV platform: BUG: kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2 Hardware name: LENOVO 20NKS01Y00/20N...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 5fe8dc653696..b7a717c3682f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -10859,11 +10859,13 @@ static int amdgpu_d...