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fe92f874f09145a6951deacaa4961390238bbe0d
Analyze and fix the following issue in the Linux kernel code: net: Fix from address in memcpy_to_iter_csum()
Problem Details: While inlining csum_and_memcpy() into memcpy_to_iter_csum(), the from address passed to csum_partial_copy_nocheck() was accidentally changed. This causes a regression in applications using UDP, as for example OpenAFS, causing loss of datagrams. Fixes: dc32bff195b4 ("iov_iter, net: Fold in csum_and_mem...
```diff diff --git a/net/core/datagram.c b/net/core/datagram.c index 103d46fa0eeb..a8b625abe242 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -751,7 +751,7 @@ size_t memcpy_to_iter_csum(void *iter_to, size_t progress, size_t len, void *from, void *priv2) { __wsum *csum = priv2; - __wsum next =...
c67ef897fe08effad98f0c7fb9223fa1f771d09e
Analyze and fix the following issue in the Linux kernel code: select: Avoid wrap-around instrumentation in do_sys_poll()
Problem Details: The mix of int, unsigned int, and unsigned long used by struct poll_list::len, todo, len, and j meant that the signed overflow sanitizer got worried it needed to instrument several places where arithmetic happens between these variables. Since all of the variables are always positive and bounded by uns...
```diff diff --git a/fs/select.c b/fs/select.c index 0ee55af1a55c..11a3b1312abe 100644 --- a/fs/select.c +++ b/fs/select.c @@ -839,7 +839,7 @@ SYSCALL_DEFINE1(old_select, struct sel_arg_struct __user *, arg) struct poll_list { struct poll_list *next; - int len; + unsigned int len; struct pollfd entries[]; }; ...
bd8c239c0502e70c92cf9496846bcbec7cd5702f
Analyze and fix the following issue in the Linux kernel code: iov_iter: Avoid wrap-around instrumentation in copy_compat_iovec_from_user()
Problem Details: The loop counter "i" in copy_compat_iovec_from_user() is an int, but because the nr_segs argument is unsigned long, the signed overflow sanitizer got worried "i" could wrap around. Instead of making "i" an unsigned long (which may enlarge the type size), switch both nr_segs and i to u32. There is no tr...
```diff diff --git a/lib/iov_iter.c b/lib/iov_iter.c index 15f5040709c3..73715d10c812 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1167,11 +1167,12 @@ const void *dup_iter(struct iov_iter *new, struct iov_iter *old, gfp_t flags) EXPORT_SYMBOL(dup_iter); static __noclone int copy_compat_iovec_from_user(struc...
f123dc86388cb669c3d6322702dc441abc35c31e
Analyze and fix the following issue in the Linux kernel code: sysv: don't call sb_bread() with pointers_lock held
Problem Details: syzbot is reporting sleep in atomic context in SysV filesystem [1], for sb_bread() is called with rw_spinlock held. A "write_lock(&pointers_lock) => read_lock(&pointers_lock) deadlock" bug and a "sb_bread() with write_lock(&pointers_lock)" bug were introduced by "Replace BKL for chain locking with sys...
```diff diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index 410ab2a44d2f..19bcb51a2203 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -83,9 +83,6 @@ static inline sysv_zone_t *block_end(struct buffer_head *bh) return (sysv_zone_t*)((char*)bh->b_data + bh->b_size); } -/* - * Requires read_lock(&pointers_loc...
a0b4f2291319c5d47ecb196b90400814fdcfd126
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix waiting for beacons logic
Problem Details: This should be waiting if we don't have a beacon yet, but somehow I managed to invert the logic. Fix that. Fixes: 74e1309acedc ("wifi: mac80211: mlme: look up beacon elems only if needed") Link: https://msgid.link/20240131164856.922701229546.I239b379e7cee04608e73c016b737a5245e5b23dd@changeid Signed-of...
```diff diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index f1cdd2df323e..12f67871af69 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -8046,8 +8046,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, rcu_read_lock(); beacon_ies = rcu_dereference(req->bss->beacon_ies); - - ...
178e9d6adc4356c2f1659f575ecea626e7fbd05a
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix unsolicited broadcast probe config
Problem Details: There's a bug in ieee80211_set_unsol_bcast_probe_resp(), it tries to return BSS_CHANGED_UNSOL_BCAST_PROBE_RESP (which has the value 1<<31) in an int, which makes it negative and considered an error. Fix this by passing the changed flags to set separately. Fixes: 3b1c256eb4ae ("wifi: mac80211: fixes in...
```diff diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 321698012e12..327682995c92 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -5,7 +5,7 @@ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 I...
86b2dac224f963be92634a878888222e1e938f48
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: initialize SMPS mode correctly
Problem Details: The SMPS mode is currently re-initialized too late, since ieee80211_prep_channel() can be called again after we've already done ieee80211_setup_assoc_link(), in case there's some override of the channel configuration. Fix this. Link: https://msgid.link/20240129195405.d6d74508be18.I0a7303b1ce4d8e543601...
```diff diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index c62c7c6ce91f..f1cdd2df323e 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -8,7 +8,7 @@ * Copyright 2007, Michael Wu <flamingice@sourmilk.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2015 - 2017 Inte...
733c498a80853acbafe284a40468b91f4d41f0b4
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix driver debugfs for vif type change
Problem Details: If a driver implements the change_interface() method, we switch interface type without taking the interface down, but still will recreate the debugfs for it since it's a new type. As such, we should use the ieee80211_debugfs_recreate_netdev() function here to also recreate the driver's files, if it is ...
```diff diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index dce5606ed66d..68596ef78b15 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -997,8 +997,8 @@ static void add_link_files(struct ieee80211_link_data *link, } } -void ieee80211_debugfs_add_netdev(...
9480adfe4e0f0319b9da04b44e4eebd5ad07e0cd
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix RCU use in TDLS fast-xmit
Problem Details: This looks up the link under RCU protection, but isn't guaranteed to actually have protection. Fix that. Fixes: 8cc07265b691 ("wifi: mac80211: handle TDLS data frames with MLO") Link: https://msgid.link/20240129155348.8a9c0b1e1d89.I553f96ce953bb41b0b877d592056164dec20d01c@changeid Signed-off-by: Johan...
```diff diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 68a48abc7287..e448ab338448 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -3100,10 +3100,11 @@ void ieee80211_check_fast_xmit(struct sta_info *sta) /* DA SA BSSID */ build.da_offs = offsetof(struct ieee80211_hdr, addr1); build.sa_of...
35e2385dbe787936c793d70755a5177d267a40aa
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: improve CSA/ECSA connection refusal
Problem Details: As mentioned in the previous commit, we pretty quickly found that some APs have ECSA elements stuck in their probe response, so using that to not attempt to connect while CSA is happening we never connect to such an AP. Improve this situation by checking more carefully and ignoring the ECSA if cfg8021...
```diff diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 073105deb424..c62c7c6ce91f 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -7309,6 +7309,75 @@ out_err: return err; } +static bool ieee80211_mgd_csa_present(struct ieee80211_sub_if_data *sdata, + const struct cfg80211_bss_i...
177fbbcb4ed6b306c1626a277fac3fb1c495a4c7
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: detect stuck ECSA element in probe resp
Problem Details: We recently added some validation that we don't try to connect to an AP that is currently in a channel switch process, since that might want the channel to be quiet or we might not be able to connect in time to hear the switching in a beacon. This was in commit c09c4f31998b ("wifi: mac80211: don't conn...
```diff diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index cf79656ce09c..2b54fdd8ca15 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -2910,6 +2910,8 @@ struct cfg80211_bss_ies { * own the beacon_ies, but they're just pointers to the ones from the * @hidden_beacon_bss struct) *...
413e20e82ee78f142cb5194fd317db514f012602
Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: change to move WMI_VDEV_PARAM_SET_HEMU_MODE before WMI_PEER_ASSOC_CMDID
Problem Details: Currently when connecting to an AP with 11AX-HE phy mode, host sends WMI_VDEV_PARAM_SET_HEMU_MODE parameter to firmware after WMI_PEER_ASSOC_CMDID command. This results in TXBF not working, because firmware calculates TXBF values while handling WMI_PEER_ASSOC_CMDID, however at that time WMI_VDEV_PARAM_...
```diff diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index bbf4d1f4d310..df1b1ee71881 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -3023,7 +3023,14 @@ static void ath11k_bss_assoc(struct ieee80211_hw *hw, rcu_read_unl...
24355fcb0d4cbcb6ddda262596558e8cfba70f11
Analyze and fix the following issue in the Linux kernel code: wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete
Problem Details: The ath9k_wmi_event_tasklet() used in ath9k_htc assumes that all the data structures have been fully initialised by the time it runs. However, because of the order in which things are initialised, this is not guaranteed to be the case, because the device is exposed to the USB subsystem before the ath9k...
```diff diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 237f4ec2cffd..6c33e898b300 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -306,7 +306,6 @@ struct ath9k_htc_tx { DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM); struct tim...
6d761306740730574f7f89ed008ea6a25985a4ff
Analyze and fix the following issue in the Linux kernel code: ARM: multi_v7_defconfig: Enable BACKLIGHT_CLASS_DEVICE
Problem Details: Commit 72fee6b0a3a4 ("fbdev: Restrict FB_SH_MOBILE_LCDC to SuperH") disabled availablity of the SH_MOBILE_LCDC driver on the RENESAS arch. This innocent change has a significant side-effect on the ARM's multi_v7_defconfig, because FB_BACKLIGHT symbol is no longer selected, what in turn leaves BACKLIGHT...
```diff diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 04ba674e03f6..c61671675439 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -777,6 +777,7 @@ CONFIG_FB_EFI=y CONFIG_FB_WM8505=y CONFIG_FB_SH_MOBILE_LCDC=y CONFIG_FB_SIMPLE...
094bdd48afb8dde4ac71a6a672b096108ded9f49
Analyze and fix the following issue in the Linux kernel code: selftests: openvswitch: Test ICMP related matches work with SNAT
Problem Details: Add a test case for regression in openvswitch nat that was fixed by commit e6345d2824a3 ("netfilter: nf_nat: fix action not being set for all ct states"). Link: https://lore.kernel.org/netdev/20231221224311.130319-1-brad@faucet.nz/ Link: https://mail.openvswitch.org/pipermail/ovs-dev/2024-January/4104...
```diff diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh index f8499d4c87f3..87b80bee6df4 100755 --- a/tools/testing/selftests/net/openvswitch/openvswitch.sh +++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh @@ -17,6 +17,7 @@ tests="...
dd1a502cabcaa410c68ee9f74eae50d85e89fee3
Analyze and fix the following issue in the Linux kernel code: crypto: hisilicon/sec2 - fix some cleanup issues
Problem Details: This patch fixes following cleanup issues: - The return value of the function is inconsistent with the actual return type. - After the pointer type is directly converted to the `__le64` type, the program may crash or produce unexpected results. Signed-off-by: Qi Tao <taoqi10@huawei.com> Sig...
```diff diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c index 692ba3213cc6..f7e2ba0bf160 100644 --- a/drivers/crypto/hisilicon/sec2/sec_crypto.c +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c @@ -118,7 +118,7 @@ struct sec_aead { }; /* Get an en/de-cipher queue...
24c890dd712f6345e382256cae8c97abb0406b70
Analyze and fix the following issue in the Linux kernel code: crypto: algif_hash - Remove bogus SGL free on zero-length error path
Problem Details: When a zero-length message is hashed by algif_hash, and an error is triggered, it tries to free an SG list that was never allocated in the first place. Fix this by not freeing the SG list on the zero-length error path. Reported-by: Shigeru Yoshida <syoshida@redhat.com> Reported-by: xingwei lee <xrive...
```diff diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 82c44d4899b9..e24c829d7a01 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -91,13 +91,13 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, if (!(msg->msg_flags & MSG_MORE)) { err = hash_alloc_result(sk, ctx); ...
69fba378edcaffba7bc7d299fdee02e377069d30
Analyze and fix the following issue in the Linux kernel code: crypto: cbc - Ensure statesize is zero
Problem Details: The cbc template should not be applied on stream ciphers, especially ones that have internal state. Enforce this by checking the state size when the instance is created. Reported-by: syzbot+050eeedd6c285d8c42f2@syzkaller.appspotmail.com Fixes: 47309ea13591 ("crypto: arc4 - Add internal state") Signed...
```diff diff --git a/crypto/cbc.c b/crypto/cbc.c index eedddef9ce40..e81918ca68b7 100644 --- a/crypto/cbc.c +++ b/crypto/cbc.c @@ -148,6 +148,9 @@ static int crypto_cbc_create(struct crypto_template *tmpl, struct rtattr **tb) if (!is_power_of_2(inst->alg.co.base.cra_blocksize)) goto out_free_inst; + if (inst->al...
ccb88e9549e7cfd8bcd511c538f437e20026e983
Analyze and fix the following issue in the Linux kernel code: crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked
Problem Details: The SEV platform device can be shutdown with a null psp_master, e.g., using DEBUG_TEST_DRIVER_REMOVE. Found using KASAN: [ 137.148210] ccp 0000:23:00.1: enabling device (0000 -> 0002) [ 137.162647] ccp 0000:23:00.1: no command queues available [ 137.170598] ccp 0000:23:00.1: sev enabled [ 137.174...
```diff diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index e4d3f45242f6..b04bc1d3d627 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -534,10 +534,16 @@ EXPORT_SYMBOL_GPL(sev_platform_init); static int __sev_platform_shutdown_locked(int *error) { - struct ...
46eba193d04f8bd717e525eb4110f3c46c12aec3
Analyze and fix the following issue in the Linux kernel code: net: stmmac: xgmac: fix handling of DPP safety error for DMA channels
Problem Details: Commit 56e58d6c8a56 ("net: stmmac: Implement Safety Features in XGMAC core") checks and reports safety errors, but leaves the Data Path Parity Errors for each channel in DMA unhandled at all, lead to a storm of interrupt. Fix it by checking and clearing the DMA_DPP_Interrupt_Status register. Fixes: 56...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 721c1f8e892f..b4f60ab078d6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -216,6 +216,7 @@ struct stmmac_safety_stats { unsigned long ...
bb6f4dbe2639d5b8a9fde4bfb6fefecfd3f18df3
Analyze and fix the following issue in the Linux kernel code: selftests/landlock: Fix capability for net_test
Problem Details: CAP_NET_ADMIN allows to configure network interfaces, not CAP_SYS_ADMIN which only allows to call unshare(2). Without this change, running network tests as a non-root user but with all capabilities would fail at the setup_loopback() step with "RTNETLINK answers: Operation not permitted". The issue is...
```diff diff --git a/tools/testing/selftests/landlock/common.h b/tools/testing/selftests/landlock/common.h index 5b79758cae62..e64bbdf0e86e 100644 --- a/tools/testing/selftests/landlock/common.h +++ b/tools/testing/selftests/landlock/common.h @@ -9,6 +9,7 @@ #include <errno.h> #include <linux/landlock.h> +#include ...
cba9ff33451162a6aa9b1424b32503354d7ef20e
Analyze and fix the following issue in the Linux kernel code: x86/fred: Fix a build warning with allmodconfig due to 'inline' failing to inline properly
Problem Details: Change array_index_mask_nospec() to __always_inline because "inline" is broken as https://www.kernel.org/doc/local/inline.html. Fixes: 6786137bf8fd ("x86/fred: FRED entry/exit and dispatch code") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Xin Li (Intel) <xin@zytor.com> Signed-...
```diff diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h index 0216f63a366b..fe1e7e3cc844 100644 --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -33,7 +33,7 @@ * Returns: * 0 - (index < size) */ -static inline unsigned long array_index_mask_nospec(unsig...
7fd4548d4b645c037d7b0508acfd0955598ded4e
Analyze and fix the following issue in the Linux kernel code: drm/i915/display: Include debugfs.h in intel_display_debugfs_params.c
Problem Details: Commit 8015bee0bfec ("drm/i915/display: Add framework to add parameters specific to display") added the file intel_display_debugfs_params.c, which calls the functions "debugfs_create_{bool, ulong, str}" -- all of which are defined in <linux/debugfs.h>. The missing inclusion of this header file is break...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs_params.c b/drivers/gpu/drm/i915/display/intel_display_debugfs_params.c index b7e68eb62452..f35718748555 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs_params.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs_params.c @@ -3...
d2d00e15808c37ec476a5c040ee2cdd23854ef18
Analyze and fix the following issue in the Linux kernel code: powerpc: iommu: Bring back table group release_ownership() call
Problem Details: The commit 2ad56efa80db ("powerpc/iommu: Setup a default domain and remove set_platform_dma_ops") refactored the code removing the set_platform_dma_ops(). It missed out the table group release_ownership() call which would have got called otherwise during the guest shutdown via vfio_group_detach_contain...
```diff diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index ebe259bdd462..d71eac3b2887 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -1287,20 +1287,20 @@ spapr_tce_platform_iommu_attach_dev(struct iommu_domain *platform_domain, struct iommu_domain *domain = iom...
6da404e78d392c7b35ac902072cf79ffe336556d
Analyze and fix the following issue in the Linux kernel code: ALSA: core: Fix dependencies for SND_CORE_TEST
Problem Details: Select CONFIG_SND_PCM when enabling CONFIG_SND_CORE_TEST, as the test uses symbols from 'pcm_misc.c'. Fixes: 3e39acf56ede ("ALSA: core: Add sound core KUnit test") Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com> Link: https://lore.kernel.org/r/20240201221122.16627-1-ivan.orlov0322@gmail.com Signe...
```diff diff --git a/sound/core/Kconfig b/sound/core/Kconfig index 664c6ee2b5a1..8077f481d84f 100644 --- a/sound/core/Kconfig +++ b/sound/core/Kconfig @@ -42,6 +42,7 @@ config SND_UMP_LEGACY_RAWMIDI config SND_CORE_TEST tristate "Sound core KUnit test" depends on KUNIT + select SND_PCM default KUNIT_ALL_TESTS ...
39126abc5e20611579602f03b66627d7cd1422f0
Analyze and fix the following issue in the Linux kernel code: nouveau: offload fence uevents work to workqueue
Problem Details: This should break the deadlock between the fctx lock and the irq lock. This offloads the processing off the work from the irq into a workqueue. Cc: linux-stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/576237/
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index ca762ea55413..93f08f9479d8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -103,6 +103,7 @@ nouveau_fence_context_kill(struct nouveau_fence_chan *fctx, int e...
b5e69be185495696652405088a27ab0b21812147
Analyze and fix the following issue in the Linux kernel code: nouveau/gsp: use correct size for registry rpc.
Problem Details: Timur pointed this out before, and it just slipped my mind, but this might help some things work better, around pcie power management. Fixes: 8d55b0a940bb ("nouveau/gsp: add some basic registry entries.") Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/576...
```diff diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c index 9ee58e2a0eb2..5e1fa176aac4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c @@ -1078,7 +1078,6 @@ r535_gsp_rpc_set_registry(struct nv...
4962aec0d684c8edb14574ccd0da53e4926ff834
Analyze and fix the following issue in the Linux kernel code: perf evsel: Fix duplicate initialization of data->id in evsel__parse_sample()
Problem Details: data->id has been initialized at line 2362, remove duplicate initialization. Fixes: 3ad31d8a0df2 ("perf evsel: Centralize perf_sample initialization") Signed-off-by: Yang Jihong <yangjihong1@huawei.com> Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com> Reviewed-by: Ian Rogers <irogers@google.com...
```diff diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 9e67324b1608..3536404e9447 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2363,7 +2363,6 @@ int evsel__parse_sample(struct evsel *evsel, union perf_event *event, data->period = evsel->core.attr.sample_period; data->...
844ecc4aa78e2f291071025cf76a98287b38856a
Analyze and fix the following issue in the Linux kernel code: net: ipa: begin simplifying TX queue stop
Problem Details: There are a number of flags used in the IPA driver to attempt to manage race conditions that can occur between runtime resume and netdev transmit. If we disable TX before requesting power, we can avoid these races entirely, simplifying things considerably. This patch implements the main change, disab...
```diff diff --git a/drivers/net/ipa/ipa_modem.c b/drivers/net/ipa/ipa_modem.c index a6f6cd149c1b..c7a0b167c432 100644 --- a/drivers/net/ipa/ipa_modem.c +++ b/drivers/net/ipa/ipa_modem.c @@ -110,13 +110,16 @@ out_power_put: return 0; } -/** ipa_start_xmit() - Transmits an skb. - * @skb: skb to be transmitted - * @...
9cf6e24c9fbf17e52de9fff07f12be7565ea6d61
Analyze and fix the following issue in the Linux kernel code: Input: atkbd - do not skip atkbd_deactivate() when skipping ATKBD_CMD_GETID
Problem Details: After commit 936e4d49ecbc ("Input: atkbd - skip ATKBD_CMD_GETID in translated mode") not only the getid command is skipped, but also the de-activating of the keyboard at the end of atkbd_probe(), potentially re-introducing the problem fixed by commit be2d7e4233a4 ("Input: atkbd - fix multi-byte scancod...
```diff diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index c229bd6b3f7f..7f67f9f2946b 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -826,7 +826,7 @@ static int atkbd_probe(struct atkbd *atkbd) if (atkbd_skip_getid(atkbd)) { atkbd->id = 0xab83;...
683cd8259a9b883a51973511f860976db2550a6e
Analyze and fix the following issue in the Linux kernel code: Input: atkbd - skip ATKBD_CMD_SETLEDS when skipping ATKBD_CMD_GETID
Problem Details: After commit 936e4d49ecbc ("Input: atkbd - skip ATKBD_CMD_GETID in translated mode") the keyboard on Dell XPS 13 9350 / 9360 / 9370 models has stopped working after a suspend/resume. The problem appears to be that atkbd_probe() fails when called from atkbd_reconnect() on resume, which on systems where...
```diff diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 13ef6284223d..c229bd6b3f7f 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -811,7 +811,6 @@ static int atkbd_probe(struct atkbd *atkbd) { struct ps2dev *ps2dev = &atkbd->ps2dev; unsigned c...
acf795dc161f3cf481db20f05db4250714e375e5
Analyze and fix the following issue in the Linux kernel code: ext4: convert to exclusive lock while inserting delalloc extents
Problem Details: ext4_da_map_blocks() only hold i_data_sem in shared mode and i_rwsem when inserting delalloc extents, it could be raced by another querying path of ext4_map_blocks() without i_rwsem, .e.g buffered read path. Suppose we buffered read a file containing just a hole, and without any cached extents tree, th...
```diff diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index bbd5ee6dd3f3..b040337501e3 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1703,10 +1703,8 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, /* Lookup extent status tree firstly */ if (ext4_es_lookup_extent(inode, iblock, NUL...
3acc1ff1a72fce00cdbd3ef1c27108a967fd5616
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 c107f7f414d8..9c1c68a2fff7 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 (...
6a0dbcd20ef252ebf98af94186a2e53da7167bed
Analyze and fix the following issue in the Linux kernel code: drm/msm/a6xx: set highest_bank_bit to 13 for a610
Problem Details: During the testing of Gnome on Qualcomm Robotics platform screen corruption has been observed. Lowering GPU's highest_bank_bit from 14 to 13 seems to fix the screen corruption. Note, the MDSS and DPU drivers use HBB=1 (which maps to the highest_bank_bit = 14). So this change merely works around the UB...
```diff diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index c0bc924cd302..c9c55e2ea584 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1287,7 +1287,7 @@ static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu) gpu->ubwc_c...
03facb39d6c6433a78d0f79c7a146b1e6a61943e
Analyze and fix the following issue in the Linux kernel code: drm/msm/gem: Fix double resv lock aquire
Problem Details: Since commit 79e2cf2e7a19 ("drm/gem: Take reservation lock for vmap/vunmap operations"), the resv lock is already held in the prime vmap path, so don't try to grab it again. v2: This applies to vunmap path as well v3: Fix fixes commit Fixes: 79e2cf2e7a19 ("drm/gem: Take reservation lock for vmap/vunm...
```diff diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c index 5f68e31a3e4e..0915f3b68752 100644 --- a/drivers/gpu/drm/msm/msm_gem_prime.c +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -26,7 +26,7 @@ int msm_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map) { void...
021533194476035883300d60fbb3136426ac8ea5
Analyze and fix the following issue in the Linux kernel code: Kconfig: Disable -Wstringop-overflow for GCC globally
Problem Details: It turns out it was never just gcc-11 that was broken. Apparently it just happens to work on x86-64 with other gcc versions. On arm64, I see warnings with gcc version 13.2.1, and the kernel test robot reports the same problem on s390 with gcc 13.2.0. Admittedly it seems to be just the new Xe drm dri...
```diff diff --git a/init/Kconfig b/init/Kconfig index 8d4e836e1b6b..deda3d14135b 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -876,13 +876,13 @@ config CC_NO_ARRAY_BOUNDS bool default y if CC_IS_GCC && GCC_VERSION >= 110000 && GCC11_NO_ARRAY_BOUNDS -# Currently, disable -Wstringop-overflow for GCC 11, globall...
3992d06c79897a5fdb5abeb26150c115edd46e97
Analyze and fix the following issue in the Linux kernel code: ARM: brcmstb: Add debug UART entry for 74165
Problem Details: BCM74165 uses the same address map as the 7278 family (v7 memory map) therefore re-use that constant and shift down the other labels to keep numerical ordering. Link: https://lore.kernel.org/r/20240129184651.2405485-1-florian.fainelli@broadcom.com Signed-off-by: Florian Fainelli <florian.fainelli@broa...
```diff diff --git a/arch/arm/include/debug/brcmstb.S b/arch/arm/include/debug/brcmstb.S index f6175e6e28cd..3f7d68740ed4 100644 --- a/arch/arm/include/debug/brcmstb.S +++ b/arch/arm/include/debug/brcmstb.S @@ -27,6 +27,7 @@ #define UARTA_72165 UARTA_7278 #define UARTA_7364 REG_PHYS_ADDR(0x40b000) #define UARTA_73...
a179a4bfb694f80f2709a1d0398469e787acb974
Analyze and fix the following issue in the Linux kernel code: riscv: Fix hugetlb_mask_last_page() when NAPOT is enabled
Problem Details: When NAPOT is enabled, a new hugepage size is available and then we need to make hugetlb_mask_last_page() aware of that. Fixes: 82a1a1f3bfb6 ("riscv: mm: support Svnapot in hugetlb page") Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/20240117195741.1926459-3-a...
```diff diff --git a/arch/riscv/mm/hugetlbpage.c b/arch/riscv/mm/hugetlbpage.c index 865ac5c7d159..87406b26c3da 100644 --- a/arch/riscv/mm/hugetlbpage.c +++ b/arch/riscv/mm/hugetlbpage.c @@ -125,6 +125,26 @@ pte_t *huge_pte_offset(struct mm_struct *mm, return pte; } +unsigned long hugetlb_mask_last_page(struct hst...
1458eb2c9d88ad4b35eb6d6a4aa1d43d8fbf7f62
Analyze and fix the following issue in the Linux kernel code: riscv: Fix set_huge_pte_at() for NAPOT mapping
Problem Details: As stated by the privileged specification, we must clear a NAPOT mapping and emit a sfence.vma before setting a new translation. Fixes: 82a1a1f3bfb6 ("riscv: mm: support Svnapot in hugetlb page") Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/20240117195741.192...
```diff diff --git a/arch/riscv/mm/hugetlbpage.c b/arch/riscv/mm/hugetlbpage.c index 431596c0e20e..865ac5c7d159 100644 --- a/arch/riscv/mm/hugetlbpage.c +++ b/arch/riscv/mm/hugetlbpage.c @@ -177,13 +177,36 @@ pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags) return entry; } +static void c...
943b043aeecce9accb6d367af47791c633e95e4d
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix bench runner SIGSEGV
Problem Details: Some benchmarks don't have either "consumer" or "producer" sides. For example, trig-tp and other BPF triggering benchmarks don't have consumers, as they only do "producing" by calling into syscall or predefined uproes. As such it's valid for some benchmarks to have zero consumers or producers. So allow...
```diff diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c index 73ce11b0547d..1724d50ba942 100644 --- a/tools/testing/selftests/bpf/bench.c +++ b/tools/testing/selftests/bpf/bench.c @@ -323,14 +323,14 @@ static error_t parse_arg(int key, char *arg, struct argp_state *state) break...
b9551da8cf3ade01a50316df8a618fd945723ee0
Analyze and fix the following issue in the Linux kernel code: libbpf: Add missed btf_ext__raw_data() API
Problem Details: Another API that was declared in libbpf.map but actual implementation was missing. btf_ext__get_raw_data() was intended as a discouraged alias to consistently-named btf_ext__raw_data(), so make this an actuality. Fixes: 20eccf29e297 ("libbpf: hide and discourage inconsistently named getters") Signed-o...
```diff diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index 845034d15420..a17b4c9c4213 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -3050,12 +3050,16 @@ done: return btf_ext; } -const void *btf_ext__get_raw_data(const struct btf_ext *btf_ext, __u32 *size) +const void *btf_ext__raw_data(co...
c81a8ab196b5083d5109a51585fcc24fa2055a77
Analyze and fix the following issue in the Linux kernel code: libbpf: Add btf__new_split() API that was declared but not implemented
Problem Details: Seems like original commit adding split BTF support intended to add btf__new_split() API, and even declared it in libbpf.map, but never added (trivial) implementation. Fix this. Fixes: ba451366bf44 ("libbpf: Implement basic split BTF support") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-...
```diff diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index 95db88b36cf3..845034d15420 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1079,6 +1079,11 @@ struct btf *btf__new(const void *data, __u32 size) return libbpf_ptr(btf_new(data, size, NULL)); } +struct btf *btf__new_split(const void...
93ee1eb85e28d1e35bb059c1f5965d65d5fc83c2
Analyze and fix the following issue in the Linux kernel code: libbpf: Add missing LIBBPF_API annotation to libbpf_set_memlock_rlim API
Problem Details: LIBBPF_API annotation seems missing on libbpf_set_memlock_rlim API, so add it to make this API callable from libbpf's shared library version. Fixes: e542f2c4cd16 ("libbpf: Auto-bump RLIMIT_MEMLOCK if kernel needs it for BPF") Fixes: ab9a5a05dc48 ("libbpf: fix up few libbpf.map problems") Signed-off-by...
```diff diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 1441f642c563..f866e98b2436 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -35,7 +35,7 @@ extern "C" { #endif -int libbpf_set_memlock_rlim(size_t memlock_bytes); +LIBBPF_API int libbpf_set_memlock_rlim(size_t memlock_bytes); struc...
e634ff9598a416a2ab6cfe5a2dcee0f69743ddf9
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: vgic: fix a kernel-doc warning
Problem Details: Use the correct function name in a kernel-doc comment to prevent a warning: arch/arm64/kvm/vgic/vgic.c:217: warning: expecting prototype for kvm_vgic_target_oracle(). Prototype was for vgic_target_oracle() instead Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Marc Zyngier <maz@kernel.org> C...
```diff diff --git a/arch/arm64/kvm/vgic/vgic.c b/arch/arm64/kvm/vgic/vgic.c index db2a95762b1b..8e1ecc37a5e0 100644 --- a/arch/arm64/kvm/vgic/vgic.c +++ b/arch/arm64/kvm/vgic/vgic.c @@ -203,7 +203,7 @@ void vgic_irq_set_phys_active(struct vgic_irq *irq, bool active) } /** - * kvm_vgic_target_oracle - compute the t...
f779d2c0176c425e516df9d384ecb1887a406185
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: vgic-its: fix kernel-doc warnings
Problem Details: Correct the function parameter name "@save tables" -> "@save_tables". Use the "typedef" keyword in the kernel-doc comment for a typedef. These changes prevent kernel-doc warnings: vgic/vgic-its.c:174: warning: Function parameter or struct member 'save_tables' not described in 'vgic_its_abi' arch/arm6...
```diff diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c index e2764d0ffa9f..9dfe307ff4fe 100644 --- a/arch/arm64/kvm/vgic/vgic-its.c +++ b/arch/arm64/kvm/vgic/vgic-its.c @@ -158,7 +158,7 @@ struct vgic_translation_cache_entry { * @cte_esz: collection table entry size * @dte_esz: device ...
dd609a574a029b9eafe7e1a90d05391431db60c4
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: vgic-init: fix a kernel-doc warning
Problem Details: Change the function comment block to kernel-doc format to prevent a kernel-doc warning: arch/arm64/kvm/vgic/vgic-init.c:448: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Map the MMIO regions depending on the VGIC model exposed...
```diff diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c index e949e1d0fd9f..e0d14a5ff63e 100644 --- a/arch/arm64/kvm/vgic/vgic-init.c +++ b/arch/arm64/kvm/vgic/vgic-init.c @@ -445,13 +445,15 @@ int vgic_lazy_init(struct kvm *kvm) /* RESOURCE MAPPING */ /** + * kvm_vgic_map_resources -...
8ce783927268914f8d171e96925e9be49a0234c2
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: sys_regs: fix kernel-doc warnings
Problem Details: Drop the @run function parameter descriptions and add the actual ones for 2 functions to prevent kernel-doc warnings: arch/arm64/kvm/sys_regs.c:3167: warning: Excess function parameter 'run' description in 'kvm_handle_cp_64' arch/arm64/kvm/sys_regs.c:3335: warning: Excess function parameter 'run' desc...
```diff diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 30253bd19917..de750d5b960e 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -3159,7 +3159,8 @@ static void unhandled_cp_access(struct kvm_vcpu *vcpu, /** * kvm_handle_cp_64 -- handles a mrrc/mcrr trap on a guest...
2a00f0855530a8911a9145670cd24d9010141d30
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: PMU: fix kernel-doc warnings
Problem Details: Change 2 uses of "/**" on non-kernel-doc comments to common "/*" comments to prevent kernel-doc warnings: arch/arm64/kvm/pmu-emul.c:423: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * When perf interrupt is an NMI, we cannot saf...
```diff diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index 3d9467ff73bc..bf96bd656d86 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -419,7 +419,7 @@ void kvm_pmu_sync_hwstate(struct kvm_vcpu *vcpu) kvm_pmu_update_state(vcpu); } -/** +/* * When perf interrupt is a...
ffd9eaffa34d793bdfc36a8a1ed9d830cea1d1fa
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: mmu: fix a kernel-doc warning
Problem Details: Use the correct function name in a kernel-doc comment to prevent a warning: arch/arm64/kvm/mmu.c:321: warning: expecting prototype for unmap_stage2_range(). Prototype was for __unmap_stage2_range() instead Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Marc Zyngier <maz@kernel.org> Cc: Olive...
```diff diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index d14504821b79..937e4fc1020e 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -305,7 +305,7 @@ static void invalidate_icache_guest_page(void *va, size_t size) * does. */ /** - * unmap_stage2_range -- Clear stage2 page table entries...
aa96af24f3203d2cfbcec220ffcb034864dd2a3f
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: vhe: fix a kernel-doc warning
Problem Details: Use the correct function name in the kernel-doc comment to prevent a warning: arch/arm64/kvm/hyp/vhe/sysreg-sr.c:109: warning: expecting prototype for __vcpu_put_switch_syregs(). Prototype was for __vcpu_put_switch_sysregs() instead Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Marc Zyngier...
```diff diff --git a/arch/arm64/kvm/hyp/vhe/sysreg-sr.c b/arch/arm64/kvm/hyp/vhe/sysreg-sr.c index 8e1e0d5033b6..a8b9ea496706 100644 --- a/arch/arm64/kvm/hyp/vhe/sysreg-sr.c +++ b/arch/arm64/kvm/hyp/vhe/sysreg-sr.c @@ -95,7 +95,7 @@ void __vcpu_load_switch_sysregs(struct kvm_vcpu *vcpu) } /** - * __vcpu_put_switch_...
bc13610b42408c84dbc927a2d6632140865a33f1
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: hyp/aarch32: fix kernel-doc warnings
Problem Details: Use the correct function name in the kernel-doc comments to prevent kernel-doc warnings: arch/arm64/kvm/hyp/vhe/../aarch32.c:97: warning: expecting prototype for adjust_itstate(). Prototype was for kvm_adjust_itstate() instead arch/arm64/kvm/hyp/vhe/../aarch32.c:127: warning: expecting prototype for k...
```diff diff --git a/arch/arm64/kvm/hyp/aarch32.c b/arch/arm64/kvm/hyp/aarch32.c index f98cbe2626a1..8d9670e6615d 100644 --- a/arch/arm64/kvm/hyp/aarch32.c +++ b/arch/arm64/kvm/hyp/aarch32.c @@ -84,7 +84,7 @@ bool kvm_condition_valid32(const struct kvm_vcpu *vcpu) } /** - * adjust_itstate - adjust ITSTATE when emul...
39db66e6b404a096bdc1717e44757dad94756e2c
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: guest: fix kernel-doc warnings
Problem Details: Fix multiple function parameter descriptions to prevent warnings: guest.c:718: warning: Function parameter or struct member 'vcpu' not described in 'kvm_arm_num_regs' guest.c:736: warning: Function parameter or struct member 'vcpu' not described in 'kvm_arm_copy_reg_indices' guest.c:736: warning: Func...
```diff diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index aaf1d4939739..6e22e658795a 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -711,6 +711,7 @@ static int copy_sve_reg_indices(const struct kvm_vcpu *vcpu, /** * kvm_arm_num_regs - how many registers do we present via KVM_G...
c4d15f841570dafc079966baa8fd1bc31cd5bf36
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: debug: fix kernel-doc warnings
Problem Details: Change one "/**" comment to a common "/*" comment since the comment is not in kernel-doc format. Add description for the @vcpu function parameter. These changes prevent warnings: debug.c:27: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-...
```diff diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c index 8725291cb00a..ce8886122ed3 100644 --- a/arch/arm64/kvm/debug.c +++ b/arch/arm64/kvm/debug.c @@ -23,7 +23,7 @@ static DEFINE_PER_CPU(u64, mdcr_el2); -/** +/* * save/restore_guest_debug_regs * * For some debug operations we need to twea...
3e0bc2855b573bcffa2a52955a878f537f5ac0cd
Analyze and fix the following issue in the Linux kernel code: workqueue: rust: sync with `WORK_CPU_UNBOUND` change
Problem Details: Commit e563d0a7cdc1 ("workqueue: Break up enum definitions and give names to the types") gives a name to the `enum` where `WORK_CPU_UNBOUND` was defined, so `bindgen` changes its output from e.g.: pub type _bindgen_ty_10 = core::ffi::c_uint; pub const WORK_CPU_UNBOUND: _bindgen_ty_10 = 64; to...
```diff diff --git a/rust/kernel/workqueue.rs b/rust/kernel/workqueue.rs index 498397877376..d00231e18007 100644 --- a/rust/kernel/workqueue.rs +++ b/rust/kernel/workqueue.rs @@ -199,7 +199,11 @@ impl Queue { // stay valid until we call the function pointer in the `work_struct`, so the access is ok. u...
11d4d1dba3315f73d2d1d386f5bf4811a8241d45
Analyze and fix the following issue in the Linux kernel code: smb: client: increase number of PDUs allowed in a compound request
Problem Details: With the introduction of SMB2_OP_QUERY_WSL_EA, the client may now send 5 commands in a single compound request in order to query xattrs from potential WSL reparse points, which should be fine as we currently allow up to 5 PDUs in a single compound request. However, if encryption is enabled (e.g. 'seal...
```diff diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h index 9093c507042f..c86a72c9d9ec 100644 --- a/fs/smb/client/cifsglob.h +++ b/fs/smb/client/cifsglob.h @@ -87,7 +87,7 @@ #define SMB_INTERFACE_POLL_INTERVAL 600 /* maximum number of PDUs in one compound */ -#define MAX_COMPOUND 5 +#define MAX_C...
6aac002bcfd554aff6d3ebb55e1660d078d70ab0
Analyze and fix the following issue in the Linux kernel code: cifs: failure to add channel on iface should bump up weight
Problem Details: After the interface selection policy change to do a weighted round robin, each iface maintains a weight_fulfilled. When the weight_fulfilled reaches the total weight for the iface, we know that the weights can be reset and ifaces can be allocated from scratch again. During channel allocation failures ...
```diff diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c index 3d2548c35c9d..ed4bd88dd528 100644 --- a/fs/smb/client/sess.c +++ b/fs/smb/client/sess.c @@ -273,6 +273,8 @@ int cifs_try_adding_channels(struct cifs_ses *ses) &iface->sockaddr, rc); kref_put(&iface->refcount, release_iface); + ...
e77e15fa5eb1c830597c5ca53ea7af973bae2f78
Analyze and fix the following issue in the Linux kernel code: cifs: avoid redundant calls to disable multichannel
Problem Details: When the server reports query network interface info call as unsupported following a tree connect, it means that multichannel is unsupported, even if the server capabilities report otherwise. When this happens, cifs_chan_skip_or_disable is called to disable multichannel on the client. However, we only...
```diff diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c index 6db54c6ef571..e257b10bc820 100644 --- a/fs/smb/client/smb2pdu.c +++ b/fs/smb/client/smb2pdu.c @@ -419,7 +419,7 @@ skip_sess_setup: rc = SMB3_request_interfaces(xid, tcon, false); free_xid(xid); - if (rc == -EOPNOTSUPP) { + if (rc == ...
19b070fefd0d024af3daa7329cbc0d00de5302ec
Analyze and fix the following issue in the Linux kernel code: VMCI: Fix memcpy() run-time warning in dg_dispatch_as_host()
Problem Details: Syzkaller hit 'WARNING in dg_dispatch_as_host' bug. memcpy: detected field-spanning write (size 56) of single field "&dg_info->msg" at drivers/misc/vmw_vmci/vmci_datagram.c:237 (size 24) WARNING: CPU: 0 PID: 1555 at drivers/misc/vmw_vmci/vmci_datagram.c:237 dg_dispatch_as_host+0x88e/0xa60 drivers/mis...
```diff diff --git a/drivers/misc/vmw_vmci/vmci_datagram.c b/drivers/misc/vmw_vmci/vmci_datagram.c index ac6cb0c8d99b..ba379cd6d054 100644 --- a/drivers/misc/vmw_vmci/vmci_datagram.c +++ b/drivers/misc/vmw_vmci/vmci_datagram.c @@ -234,7 +234,8 @@ static int dg_dispatch_as_host(u32 context_id, struct vmci_datagram *dg) ...
f3c89983cb4fc00be64eb0d5cbcfcdf2cacb965e
Analyze and fix the following issue in the Linux kernel code: block: Fix where bio IO priority gets set
Problem Details: Commit 82b74cac2849 ("blk-ioprio: Convert from rqos policy to direct call") pushed setting bio I/O priority down into blk_mq_submit_bio() -- which is too low within block core's submit_bio() because it skips setting I/O priority for block drivers that implement fops->submit_bio() (e.g. DM, MD, etc). F...
```diff diff --git a/block/blk-core.c b/block/blk-core.c index 11342af420d0..de771093b526 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -49,6 +49,7 @@ #include "blk-pm.h" #include "blk-cgroup.h" #include "blk-throttle.h" +#include "blk-ioprio.h" struct dentry *blk_debugfs_root; @@ -833,6 +834,14 @@ en...
735b7636d1a88e85eeef607a8179a114618bc5a0
Analyze and fix the following issue in the Linux kernel code: lkdtm/bugs: In lkdtm_HUNG_TASK() use BUG(), not BUG_ON(1)
Problem Details: In commit edb6538da3df ("lkdtm/bugs: Adjust lkdtm_HUNG_TASK() to avoid tail call optimization") we marked lkdtm_HUNG_TASK() as __noreturn. The compiler gets unhappy if it thinks a __noreturn function might return, so there's a BUG_ON(1) at the end. Any human can see that the function won't return and t...
```diff diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c index d1222d3eda2f..b92767d6bdd2 100644 --- a/drivers/misc/lkdtm/bugs.c +++ b/drivers/misc/lkdtm/bugs.c @@ -298,7 +298,7 @@ static void __noreturn lkdtm_HUNG_TASK(void) { set_current_state(TASK_UNINTERRUPTIBLE); schedule(); - BUG_ON(1); + B...
6dde3569b867e2af2a9576c2f3ca1aa9b87d39fd
Analyze and fix the following issue in the Linux kernel code: lkdtm/bugs: Adjust lkdtm_HUNG_TASK() to avoid tail call optimization
Problem Details: When testing with lkdtm_HUNG_TASK() and looking at the output, I expected to see lkdtm_HUNG_TASK() in the stack crawl but it wasn't there. Instead, the top function on at least some devices was schedule() due to tail call optimization. Let's do two things to help here: 1. We'll mark this as "__noretur...
```diff diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c index b080eb2335eb..d1222d3eda2f 100644 --- a/drivers/misc/lkdtm/bugs.c +++ b/drivers/misc/lkdtm/bugs.c @@ -294,10 +294,11 @@ static void lkdtm_SPINLOCKUP(void) __release(&lock_me_up); } -static void lkdtm_HUNG_TASK(void) +static void __nor...
f933b88e20150f15787390e2a1754a7e412754ed
Analyze and fix the following issue in the Linux kernel code: KVM: x86/pmu: Zero out PMU metadata on AMD if PMU is disabled
Problem Details: Move the purging of common PMU metadata from intel_pmu_refresh() to kvm_pmu_refresh(), and invoke the vendor refresh() hook if and only if the VM is supposed to have a vPMU. KVM already denies access to the PMU based on kvm->arch.enable_pmu, as get_gp_pmc_amd() returns NULL for all PMCs in that case, ...
```diff diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index 09b0feb975c3..4d4366c6f7cd 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -749,6 +749,8 @@ static void kvm_pmu_reset(struct kvm_vcpu *vcpu) */ void kvm_pmu_refresh(struct kvm_vcpu *vcpu) { + struct kvm_pmu *pmu = vcpu_to_pmu(vcpu); + ...
f0377ff97509f5a4921993d5d61da000361bd884
Analyze and fix the following issue in the Linux kernel code: nvme-host: fix the updating of the firmware version
Problem Details: The original code didn't update the firmware version if the "next slot" of the AFI register isn't zero or if the "current slot" field is zero; in those cases it assumed that a reset was needed. However, the NVMe specification doesn't exclude the possibility that the "next slot" value is equal to the "...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 0d124a8ca9c3..975245527c1f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4191,6 +4191,7 @@ static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl) static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl) { str...
069a6ed2992df8eaae90d69d7770de8d545327d9
Analyze and fix the following issue in the Linux kernel code: doc/netlink/specs: Add missing attr in rt_link spec
Problem Details: IFLA_DPLL_PIN was added to rt_link messages but not to the spec, which breaks ynl. Add the missing definitions to the rt_link ynl spec. Fixes: 5f1842692880 ("netdev: expose DPLL pin handle for netdevice") Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> ...
```diff diff --git a/Documentation/netlink/specs/rt_link.yaml b/Documentation/netlink/specs/rt_link.yaml index 1ad01d52a863..8e4d19adee8c 100644 --- a/Documentation/netlink/specs/rt_link.yaml +++ b/Documentation/netlink/specs/rt_link.yaml @@ -942,6 +942,10 @@ attribute-sets: - name: gro-ipv4-max-size ...
f0588b157f48b9c6277a75c9f14650e86d969e03
Analyze and fix the following issue in the Linux kernel code: idpf: avoid compiler padding in virtchnl2_ptype struct
Problem Details: In the arm random config file, kconfig option 'CONFIG_AEABI' is disabled which results in adding the compiler flag '-mabi=apcs-gnu'. This causes the compiler to add padding in virtchnl2_ptype structure to align it to 8 bytes, resulting in the following size check failure: include/linux/build_bug.h:78:...
```diff diff --git a/drivers/net/ethernet/intel/idpf/virtchnl2.h b/drivers/net/ethernet/intel/idpf/virtchnl2.h index 8dc837889723..4a3c4454d25a 100644 --- a/drivers/net/ethernet/intel/idpf/virtchnl2.h +++ b/drivers/net/ethernet/intel/idpf/virtchnl2.h @@ -978,7 +978,7 @@ struct virtchnl2_ptype { u8 proto_id_count; _...
04b57c9e096a9479fe0ad31e3956e336fa589cb2
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: join: stop transfer when check is done (part 2)
Problem Details: Since the "Fixes" commits mentioned below, the newly added "userspace pm" subtests of mptcp_join selftests are launching the whole transfer in the background, do the required checks, then wait for the end of transfer. There is no need to wait longer, especially because the checks at the end of the tra...
```diff diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 85bcc95f4ede..c07386e21e0a 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -643,13 +643,6 @@ kill_events_pids() mptcp_lib_k...
31ee4ad86afd6ed6f4bb1b38c43011216080c42a
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: join: stop transfer when check is done (part 1)
Problem Details: Since the "Fixes" commit mentioned below, "userspace pm" subtests of mptcp_join selftests introduced in v6.5 are launching the whole transfer in the background, do the required checks, then wait for the end of transfer. There is no need to wait longer, especially because the checks at the end of the t...
```diff diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 3a5b63026191..85bcc95f4ede 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3453,7 +3453,7 @@ userspace_tests() chk_mptcp_...
de46d138e7735eded9756906747fd3a8c3a42225
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: allow changing subtests prefix
Problem Details: If a CI executes the same selftest multiple times with different options, all results from the same subtests will have the same title, which confuse the CI. With the same title printed in TAP, the tests are considered as the same ones. Now, it is possible to override this prefix by using MPTCP_LIB_KSF...
```diff diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh index 022262a2cfe0..3a2abae5993e 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh @@ -6,7 +6,7 @@ readonly KSFT_FAIL=1 readonly KSFT_SKIP=...
5e2f3c65af47e527ccac54060cf909e3306652ff
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: decrease BW in simult flows
Problem Details: When running the simult_flow selftest in slow environments -- e.g. QEmu without KVM support --, the results can be unstable. This selftest checks if the aggregated bandwidth is (almost) fully used as expected. To help improving the stability while still keeping the same validation in place, the BW and...
```diff diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/testing/selftests/net/mptcp/simult_flows.sh index ae8ad5d6fb9d..0cc964e6f2c1 100755 --- a/tools/testing/selftests/net/mptcp/simult_flows.sh +++ b/tools/testing/selftests/net/mptcp/simult_flows.sh @@ -284,12 +284,12 @@ done setup run_test...
4d4dfb2019d7010efb65926d9d1c1793f9a367c6
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: increase timeout to 30 min
Problem Details: On very slow environments -- e.g. when QEmu is used without KVM --, mptcp_join.sh selftest can take a bit more than 20 minutes. Bump the default timeout by 50% as it seems normal to take that long on some environments. When a debug kernel config is used, this selftest will take even longer, but that's...
```diff diff --git a/tools/testing/selftests/net/mptcp/settings b/tools/testing/selftests/net/mptcp/settings index 79b65bdf05db..abc5648b59ab 100644 --- a/tools/testing/selftests/net/mptcp/settings +++ b/tools/testing/selftests/net/mptcp/settings @@ -1 +1 @@ -timeout=1200 +timeout=1800 ```
2d41f10fa497182df9012d3e95d9cea24eb42e61
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: add missing kconfig for NF Mangle
Problem Details: Since the commit mentioned below, 'mptcp_join' selftests is using IPTables to add rules to the Mangle table, only in IPv4. This KConfig is usually enabled by default in many defconfig, but we recently noticed that some CI were running our selftests without them enabled. Fixes: b6e074e171bc ("selftest...
```diff diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config index 26fe466f803d..4f80014cae49 100644 --- a/tools/testing/selftests/net/mptcp/config +++ b/tools/testing/selftests/net/mptcp/config @@ -23,6 +23,7 @@ CONFIG_NFT_SOCKET=m CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MUL...
8c86fad2cecdc6bf7283ecd298b4d0555bd8b8aa
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: add missing kconfig for NF Filter in v6
Problem Details: Since the commit mentioned below, 'mptcp_join' selftests is using IPTables to add rules to the Filter table for IPv6. It is then required to have IP6_NF_FILTER KConfig. This KConfig is usually enabled by default in many defconfig, but we recently noticed that some CI were running our selftests withou...
```diff diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config index 2a00bf4acdfa..26fe466f803d 100644 --- a/tools/testing/selftests/net/mptcp/config +++ b/tools/testing/selftests/net/mptcp/config @@ -25,6 +25,7 @@ CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_NF_FILTER=m CONFIG_IP_N...
3645c844902bd4e173d6704fc2a37e8746904d67
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: add missing kconfig for NF Filter
Problem Details: Since the commit mentioned below, 'mptcp_join' selftests is using IPTables to add rules to the Filter table. It is then required to have IP_NF_FILTER KConfig. This KConfig is usually enabled by default in many defconfig, but we recently noticed that some CI were running our selftests without them ena...
```diff diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config index e317c2e44dae..2a00bf4acdfa 100644 --- a/tools/testing/selftests/net/mptcp/config +++ b/tools/testing/selftests/net/mptcp/config @@ -22,6 +22,7 @@ CONFIG_NFT_TPROXY=m CONFIG_NFT_SOCKET=m CONFIG_IP_ADVANCED_RO...
b6c620dc43ccb4e802894e54b651cf81495e9598
Analyze and fix the following issue in the Linux kernel code: mptcp: fix data re-injection from stale subflow
Problem Details: When the MPTCP PM detects that a subflow is stale, all the packet scheduler must re-inject all the mptcp-level unacked data. To avoid acquiring unneeded locks, it first try to check if any unacked data is present at all in the RTX queue, but such check is currently broken, as it uses TCP-specific helpe...
```diff diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 3ed4709a7509..028e8b473626 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2314,9 +2314,6 @@ bool __mptcp_retransmit_pending_data(struct sock *sk) if (__mptcp_check_fallback(msk)) return false; - if (tcp_rtx_and_write_queues_...
e440c5f2e3e6893aeb39bbba6dd181207840a795
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Generalize check_clocksource() from kvm_clock_test
Problem Details: Several existing x86 selftests need to check that the underlying system clocksource is TSC or based on TSC but every test implements its own check. As a first step towards unification, extract check_clocksource() from kvm_clock_test and split it into two functions: arch-neutral 'sys_get_cur_clocksource...
```diff diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h index 71a41fa924b7..50a5e31ba8da 100644 --- a/tools/testing/selftests/kvm/include/test_util.h +++ b/tools/testing/selftests/kvm/include/test_util.h @@ -195,4 +195,6 @@ __printf(3, 4) int guest_snprintf...
ca185770db914869ff9fe773bac5e0e5e4165b83
Analyze and fix the following issue in the Linux kernel code: eventfs: Keep all directory links at 1
Problem Details: The directory link count in eventfs was somewhat bogus. It was only being updated when a directory child was being looked up and not on creation. One solution would be to update in get_attr() the link count by iterating the ei->children list and then adding 2. But that could slow down simple stat() ca...
```diff diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c index 9e031e5a2713..110e8a272189 100644 --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c @@ -404,9 +404,7 @@ static struct dentry *lookup_dir_entry(struct dentry *dentry, dentry->d_fsdata = get_ei(ei); - inc_nlink(inode); d_ad...
12d823b31fadf47c8f36ecada7abac5f903cac33
Analyze and fix the following issue in the Linux kernel code: eventfs: Remove fsnotify*() functions from lookup()
Problem Details: The dentries and inodes are created when referenced in the lookup code. There's no reason to call fsnotify_*() functions when they are created by a reference. It doesn't make any sense. Link: https://lore.kernel.org/linux-trace-kernel/20240201002719.GS2087318@ZenIV/ Link: https://lore.kernel.org/linux...
```diff diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c index ca7daee7c811..9e031e5a2713 100644 --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c @@ -366,7 +366,6 @@ static struct dentry *lookup_file(struct eventfs_inode *parent_ei, dentry->d_fsdata = get_ei(parent_ei); d_add(dentry, ...
1389358bb008e7625942846e9f03554319b7fecc
Analyze and fix the following issue in the Linux kernel code: tracing/timerlat: Move hrtimer_init to timerlat_fd open()
Problem Details: Currently, the timerlat's hrtimer is initialized at the first read of timerlat_fd, and destroyed at close(). It works, but it causes an error if the user program open() and close() the file without reading. Here's an example: # echo NO_OSNOISE_WORKLOAD > /sys/kernel/debug/tracing/osnoise/options # ...
```diff diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index bd0d01d00fb9..a8e28f9b9271 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -2444,6 +2444,9 @@ static int timerlat_fd_open(struct inode *inode, struct file *file) tlat = this_cpu_tmr_var(); tlat->co...
c15a729c9d45aa142fb01a3afee822ab1f0e62a8
Analyze and fix the following issue in the Linux kernel code: selftests: net: enable some more knobs
Problem Details: The rtnetlink tests require additional options currently off by default. Fixes: 2766a11161cc ("selftests: rtnetlink: add ipsec offload API test") Fixes: 5e596ee171ba ("selftests: add xfrm state-policy-monitor to rtnetlink.sh") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Link: https://lore.kernel.or...
```diff diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config index 24a7c7bcbbc1..3b749addd364 100644 --- a/tools/testing/selftests/net/config +++ b/tools/testing/selftests/net/config @@ -22,6 +22,8 @@ CONFIG_VLAN_8021Q=y CONFIG_GENEVE=m CONFIG_IFB=y CONFIG_INET_DIAG=y +CONFIG_INET_ESP...
1939f738c73dfdb8389839bdc9624c765e3326e6
Analyze and fix the following issue in the Linux kernel code: selftests: net: add missing config for NF_TARGET_TTL
Problem Details: amt test uses the TTL iptables module: ip netns exec "${RELAY}" iptables -t mangle -I PREROUTING \ -d 239.0.0.1 -j TTL --ttl-set 2 Fixes: c08e8baea78e ("selftests: add amt interface selftest script") Link: https://lore.kernel.org/r/20240131165605.4051645-1-kuba@kernel.org Signed-off-by: Jakub Ki...
```diff diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config index 98c6bd2228c6..24a7c7bcbbc1 100644 --- a/tools/testing/selftests/net/config +++ b/tools/testing/selftests/net/config @@ -33,6 +33,7 @@ CONFIG_IP6_NF_NAT=m CONFIG_IP6_NF_RAW=m CONFIG_IP_NF_NAT=m CONFIG_IP_NF_RAW=m +CONFI...
96cd5ac4c0e6b91b74c8fbfcaa7e5c943dfa4835
Analyze and fix the following issue in the Linux kernel code: selftests: forwarding: List helper scripts in TEST_FILES Makefile variable
Problem Details: Some scripts are not tests themselves; they contain utility functions used by other tests. According to Documentation/dev-tools/kselftest.rst, such files should be listed in TEST_FILES. Currently they are incorrectly listed in TEST_PROGS_EXTENDED so rename the variable. Fixes: c085dbfb1cfc ("selftests...
```diff diff --git a/tools/testing/selftests/net/forwarding/Makefile b/tools/testing/selftests/net/forwarding/Makefile index 452693514be4..4de92632f483 100644 --- a/tools/testing/selftests/net/forwarding/Makefile +++ b/tools/testing/selftests/net/forwarding/Makefile @@ -112,7 +112,7 @@ TEST_PROGS = bridge_fdb_learning_...
06efafd8608dac0c3a480539acc66ee41d2fb430
Analyze and fix the following issue in the Linux kernel code: selftests: net: List helper scripts in TEST_FILES Makefile variable
Problem Details: Some scripts are not tests themselves; they contain utility functions used by other tests. According to Documentation/dev-tools/kselftest.rst, such files should be listed in TEST_FILES. Move those utility scripts to TEST_FILES. Fixes: 1751eb42ddb5 ("selftests: net: use TEST_PROGS_EXTENDED") Fixes: 25a...
```diff diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 48c6f93b8149..211753756bde 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -53,9 +53,7 @@ TEST_PROGS += bind_bhash.sh TEST_PROGS += ip_local_port_range.sh TEST_PROGS +...
9d851dd4dab63e95c1911a2fa847796d1ec5d58d
Analyze and fix the following issue in the Linux kernel code: selftests: net: Remove executable bits from library scripts
Problem Details: setup_loopback.sh and net_helper.sh are meant to be sourced from other scripts, not executed directly. Therefore, remove the executable bits from those files' permissions. This change is similar to commit 49078c1b80b6 ("selftests: forwarding: Remove executable bits from lib.sh") Fixes: 7d1575014a63 (...
```diff diff --git a/tools/testing/selftests/net/net_helper.sh b/tools/testing/selftests/net/net_helper.sh old mode 100755 new mode 100644 diff --git a/tools/testing/selftests/net/setup_loopback.sh b/tools/testing/selftests/net/setup_loopback.sh old mode 100755 new mode 100644 ```
8cc063ae1b3dbe416ce62a15d49af4c2314b45fe
Analyze and fix the following issue in the Linux kernel code: selftests: bonding: Check initial state
Problem Details: The purpose of the test_LAG_cleanup() function is to check that some hardware addresses are removed from underlying devices after they have been unenslaved. The test function simply checks that those addresses are not present at the end. However, if the addresses were never added to begin with due to s...
```diff diff --git a/tools/testing/selftests/drivers/net/bonding/lag_lib.sh b/tools/testing/selftests/drivers/net/bonding/lag_lib.sh index 2a268b17b61f..dbdd736a41d3 100644 --- a/tools/testing/selftests/drivers/net/bonding/lag_lib.sh +++ b/tools/testing/selftests/drivers/net/bonding/lag_lib.sh @@ -48,6 +48,17 @@ test_L...
7b6fb3050d8f5e2b6858eef344e47ac1f5442827
Analyze and fix the following issue in the Linux kernel code: selftests: team: Add missing config options
Problem Details: Similar to commit dd2d40acdbb2 ("selftests: bonding: Add more missing config options"), add more networking-specific config options which are needed for team device tests. For testing, I used the minimal config generated by virtme-ng and I added the options in the config file. Afterwards, the team dev...
```diff diff --git a/tools/testing/selftests/drivers/net/team/config b/tools/testing/selftests/drivers/net/team/config index 265b6882cc21..b5e3a3aad4bf 100644 --- a/tools/testing/selftests/drivers/net/team/config +++ b/tools/testing/selftests/drivers/net/team/config @@ -1,3 +1,5 @@ +CONFIG_DUMMY=y +CONFIG_IPV6=y +CONFI...
e0526ec5360a48ad3ab2e26e802b0532302a7e11
Analyze and fix the following issue in the Linux kernel code: hv_netvsc: Fix race condition between netvsc_probe and netvsc_remove
Problem Details: In commit ac5047671758 ("hv_netvsc: Disable NAPI before closing the VMBus channel"), napi_disable was getting called for all channels, including all subchannels without confirming if they are enabled or not. This caused hv_netvsc getting hung at napi_disable, when netvsc_probe() has finished running b...
```diff diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 1dafa44155d0..a6fcbda64ecc 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -708,7 +708,10 @@ void netvsc_device_remove(struct hv_device *device) /* Disable NAPI and disassociate its context from the devi...
7b55984c96ffe9e236eb9c82a2196e0b1f84990d
Analyze and fix the following issue in the Linux kernel code: xen-netback: properly sync TX responses
Problem Details: Invoking the make_tx_response() / push_tx_responses() pair with no lock held would be acceptable only if all such invocations happened from the same context (NAPI instance or dealloc thread). Since this isn't the case, and since the interface "spec" also doesn't demand that multicast operations may onl...
```diff diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index d7503aef599f..fab361a250d6 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -104,13 +104,12 @@ bool provides_xdp_headroom = true; module_param(provides_xdp_headroom, bool, 0644); ...
ae3f4b44641dfff969604735a0dcbf931f383285
Analyze and fix the following issue in the Linux kernel code: net: sysfs: Fix /sys/class/net/<iface> path
Problem Details: The documentation is pointing to the wrong path for the interface. Documentation is pointing to /sys/class/<iface>, instead of /sys/class/net/<iface>. Fix it by adding the `net/` directory before the interface. Fixes: 1a02ef76acfa ("net: sysfs: add documentation entries for /sys/class/<iface>/queues"...
```diff diff --git a/Documentation/ABI/testing/sysfs-class-net-queues b/Documentation/ABI/testing/sysfs-class-net-queues index 906ff3ca928a..5bff64d256c2 100644 --- a/Documentation/ABI/testing/sysfs-class-net-queues +++ b/Documentation/ABI/testing/sysfs-class-net-queues @@ -1,4 +1,4 @@ -What: /sys/class/<iface>/queues...
710c69dbaccdac312e32931abcb8499c1525d397
Analyze and fix the following issue in the Linux kernel code: nvmet-fc: avoid deadlock on delete association path
Problem Details: When deleting an association the shutdown path is deadlocking because we try to flush the nvmet_wq nested. Avoid this by deadlock by deferring the put work into its own work item. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Keith Busch <kbu...
```diff diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index c80b8a066fd1..3e0d391e631b 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -111,6 +111,8 @@ struct nvmet_fc_tgtport { struct nvmet_fc_port_entry *pe; struct kref ref; u32 max_sg_cnt; + + struct work_struct ...
50b474e1faff50f770410f402ebbdf48bf8cc9b0
Analyze and fix the following issue in the Linux kernel code: nvmet-fc: remove null hostport pointer check
Problem Details: An association has always a valid hostport pointer. Remove useless null pointer check. Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Keith Busch <kbusch@kernel.org>
```diff diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index 205a12b1e841..849d9b17c60a 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -488,8 +488,7 @@ nvmet_fc_xmt_disconnect_assoc(struct nvmet_fc_tgt_assoc *assoc) * message is normal. Otherwise, send unless the hostport h...
43aa6f97c2d03a52c1ddb86768575fc84344bdbb
Analyze and fix the following issue in the Linux kernel code: eventfs: Get rid of dentry pointers without refcounts
Problem Details: The eventfs inode had pointers to dentries (and child dentries) without actually holding a refcount on said pointer. That is fundamentally broken, and while eventfs tried to then maintain coherence with dentries going away by hooking into the '.d_iput' callback, that doesn't actually work since it's n...
```diff diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c index b2285d5f3fed..515fdace1eea 100644 --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c @@ -62,6 +62,35 @@ enum { #define EVENTFS_MODE_MASK (EVENTFS_SAVE_MODE - 1) +/* + * eventfs_inode reference count management. + * + * NOTE! ...
8dce06e98c70a7fcbb4bca7d90faf40522e65c58
Analyze and fix the following issue in the Linux kernel code: eventfs: Clean up dentry ops and add revalidate function
Problem Details: In order for the dentries to stay up-to-date with the eventfs changes, just add a 'd_revalidate' function that checks the 'is_freed' bit. Also, clean up the dentry release to actually use d_release() rather than the slightly odd d_iput() function. We don't care about the inode, all we want to do is t...
```diff diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c index 16ca8d9759b1..b2285d5f3fed 100644 --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c @@ -378,13 +378,12 @@ static void free_ei(struct eventfs_inode *ei) } /** - * eventfs_set_ei_status_free - remove the dentry reference from a...
408600be78cdb8c650a97ecc7ff411cb216811b5
Analyze and fix the following issue in the Linux kernel code: eventfs: Remove unused d_parent pointer field
Problem Details: It's never used Link: https://lore.kernel.org/linux-trace-kernel/202401291043.e62e89dc-oliver.sang@intel.com/ Link: https://lore.kernel.org/linux-trace-kernel/20240131185512.961772428@goodmis.org Cc: stable@vger.kernel.org Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mark Rutland <mark.rutland@arm....
```diff diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c index 04c2ab90f93e..16ca8d9759b1 100644 --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c @@ -680,10 +680,8 @@ struct eventfs_inode *eventfs_create_dir(const char *name, struct eventfs_inode INIT_LIST_HEAD(&ei->list); mutex_lock(...
49304c2b93e4f7468b51ef717cbe637981397115
Analyze and fix the following issue in the Linux kernel code: tracefs: dentry lookup crapectomy
Problem Details: The dentry lookup for eventfs files was very broken, and had lots of signs of the old situation where the filesystem names were all created statically in the dentry tree, rather than being looked up dynamically based on the eventfs data structures. You could see it in the naming - how it claimed to "c...
```diff diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c index e9819d719d2a..04c2ab90f93e 100644 --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c @@ -230,7 +230,6 @@ static struct eventfs_inode *eventfs_find_events(struct dentry *dentry) { struct eventfs_inode *ei; - mutex_lock(&eventf...
d820100a1bdec5fd671310de902dc8baea317a3a
Analyze and fix the following issue in the Linux kernel code: soc/tegra: Fix build failure on Tegra241
Problem Details: If all the other SoCs are disabled, the driver fails to build: drivers/soc/tegra/fuse/fuse-tegra30.c:684:17: error: 'tegra30_fuse_read' undeclared here (not in a function); did you mean 'tegra_fuse_readl'? 684 | .read = tegra30_fuse_read, | ^~~~~~~~~~~~~~~~~ | ...
```diff diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c index 2070d36c510d..eb14e5ff5a0a 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra30.c +++ b/drivers/soc/tegra/fuse/fuse-tegra30.c @@ -38,7 +38,8 @@ defined(CONFIG_ARCH_TEGRA_210_SOC) || \ defined(CONFIG_ARCH_TEGRA...
81b3f0efbbced8dbf4ef4a4c0008a7ada427b38d
Analyze and fix the following issue in the Linux kernel code: soc/tegra: fuse: Fix crash in tegra_fuse_readl()
Problem Details: Commit c5b2d43e67bb ("soc/tegra: fuse: Add ACPI support for Tegra194 and Tegra234") updated the Tegra fuse driver to add ACPI support and added a test to the tegra_fuse_readl() function to check if the device is booting with device-tree. This test passes 'fuse->dev' variable to dev_fwnode() but does no...
```diff diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index c34efa5bf44c..b6bfd6729df3 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -345,6 +345,9 @@ u32 __init tegra_fuse_read_early(unsigned int offset) int tegra_fuse_readl(uns...
eaa1b01fe709d6a236a9cec74813e0400601fd23
Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Ignore clock selector errors for single connection
Problem Details: For devices with multiple clock sources connected to a selector, we need to check what a clock selector control request has returned. This is needed to ensure that a requested clock source is indeed selected and for autoclock feature to work. For devices with single clock source connected, if we get a...
```diff diff --git a/sound/usb/clock.c b/sound/usb/clock.c index a8204c6d6fac..60fcb872a80b 100644 --- a/sound/usb/clock.c +++ b/sound/usb/clock.c @@ -347,8 +347,16 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, !writeable) return ret; err = uac_clock_selector_set_val(chip, entity_id...
04f647c8e456fcfabe9c252a4dcaee03b586fa4f
Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: Remove xdp queues on program detach
Problem Details: XDP queues are created/destroyed when a XDP program is attached/detached. In current driver xdp_queues are not getting destroyed on program exit due to incorrect xdp_queue and tot_tx_queue count values. This patch fixes the issue by setting tot_tx_queue and xdp_queue count to correct values. It also f...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c index 2928898c7f8d..7f786de61014 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c @@ -314,7 +31...
72bd80252feeb3bef8724230ee15d9f7ab541c6e
Analyze and fix the following issue in the Linux kernel code: io_uring/net: fix sr->len for IORING_OP_RECV with MSG_WAITALL and buffers
Problem Details: If we use IORING_OP_RECV with provided buffers and pass in '0' as the length of the request, the length is retrieved from the selected buffer. If MSG_WAITALL is also set and we get a short receive, then we may hit the retry path which decrements sr->len and increments the buffer for a retry. However, t...
```diff diff --git a/io_uring/net.c b/io_uring/net.c index a12ff69e6843..43bc9a5f96f9 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -923,6 +923,7 @@ retry_multishot: if (!buf) return -ENOBUFS; sr->buf = buf; + sr->len = len; } ret = import_ubuf(ITER_DEST, sr->buf, len, &msg.msg_iter); ```
2c373e75155bcc9c81060cdc07ee1b59e113bd2b
Analyze and fix the following issue in the Linux kernel code: arm64: dts: intel: agilex5: drop "master" I3C node name suffix
Problem Details: Following change in the I3C bindings, the "master" suffix in I3C controller node name is discouraged (it is "controller" now) and not accurate (if device supports also target mode). Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
```diff diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi index d66d425e45b7..1162978329c1 100644 --- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi +++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi @@ -202,7 +202,7 @@ status = "disabled"; }; - i...