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7f530fba1123edcad00d59e1a73019814935f0c1
Analyze and fix the following issue in the Linux kernel code: objtool: Add stackleak instrumentation to uaccess safe list
Problem Details: If a function has a large stack frame, the stackleak plugin adds a call to stackleak_track_stack() after the prologue. This function may be called in uaccess-enabled code. Add it to the uaccess safe list. Fixes the following warning: vmlinux.o: warning: objtool: kasan_report+0x12: call to stackle...
```diff diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 9440b07cd3b6..4c8ef8173a79 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -1279,6 +1279,8 @@ static const char *uaccess_safe_builtin[] = { "__ubsan_handle_type_mismatch_v1", "__ubsan_handle_shift_out_of_bounds", "__ubsan_h...
e18398e80c73e3cc7d9c3d2e0bc06a4af8f4f1cb
Analyze and fix the following issue in the Linux kernel code: Revert "objtool: Support addition to set CFA base"
Problem Details: Commit 468af56a7bba ("objtool: Support addition to set CFA base") was added as a preparatory patch for arm64 support, but that support never came. It triggers a false positive warning on x86, so just revert it for now. Fixes the following warning: vmlinux.o: warning: objtool: cdce925_regmap_i2c_wr...
```diff diff --git a/tools/objtool/check.c b/tools/objtool/check.c index cae6ac6ff246..9440b07cd3b6 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -3002,17 +3002,6 @@ static int update_cfi_state(struct instruction *insn, break; } - if (!cfi->drap && op->src.reg == CFI_SP && - op->d...
f571da059f86fd9d432aea32c9c7e5aaa53245d8
Analyze and fix the following issue in the Linux kernel code: lkdtm/stackleak: Fix noinstr violation
Problem Details: Fixes the following warning: vmlinux.o: warning: objtool: check_stackleak_irqoff+0x2b6: call to _printk() leaves .noinstr.text section Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/ee5209f53aa0a62aea5...
```diff diff --git a/drivers/misc/lkdtm/stackleak.c b/drivers/misc/lkdtm/stackleak.c index 025b133297a6..f1d022160913 100644 --- a/drivers/misc/lkdtm/stackleak.c +++ b/drivers/misc/lkdtm/stackleak.c @@ -43,12 +43,14 @@ static void noinstr check_stackleak_irqoff(void) * STACK_END_MAGIC, and in either casee something ...
e0b081d17a9f4e5c0cbb0e5fbeb1abe3de0f7e4e
Analyze and fix the following issue in the Linux kernel code: sched: Fix KCSAN noinstr violation
Problem Details: With KCSAN enabled, end_of_stack() can get out-of-lined. Force it inline. Fixes the following warnings: vmlinux.o: warning: objtool: check_stackleak_irqoff+0x2b: call to end_of_stack() leaves .noinstr.text section Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Peter Zijlstra (...
```diff diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h index 5e799a47431e..f158b025c175 100644 --- a/include/linux/sched/task_stack.h +++ b/include/linux/sched/task_stack.h @@ -23,7 +23,7 @@ static __always_inline void *task_stack_page(const struct task_struct *task) #define setup_t...
15def34e2635ab7e0e96f1bc32e1b69609f14942
Analyze and fix the following issue in the Linux kernel code: perf/core: Fix hardlockup failure caused by perf throttle
Problem Details: commit e050e3f0a71bf ("perf: Fix broken interrupt rate throttling") introduces a change in throttling threshold judgment. Before this, compare hwc->interrupts and max_samples_per_tick, then increase hwc->interrupts by 1, but this commit reverses order of these two behaviors, causing the semantics of ma...
```diff diff --git a/kernel/events/core.c b/kernel/events/core.c index fb3e436bcd4a..82b95b8e0409 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -9433,8 +9433,8 @@ __perf_event_account_interrupt(struct perf_event *event, int throttle) hwc->interrupts = 1; } else { hwc->interrupts++; - if (unli...
a2a83eb40fbdeee3ed9c6fcc7bb015a2dd1a3e93
Analyze and fix the following issue in the Linux kernel code: arm64: kernel: Fix kernel warning when nokaslr is passed to commandline
Problem Details: 'Unknown kernel command line parameters "nokaslr", will be passed to user space' message is noticed in the dmesg when nokaslr is passed to the kernel commandline on ARM64 platform. This is because nokaslr param is handled by early cpufeature detection infrastructure and the parameter is never consumed ...
```diff diff --git a/arch/arm64/kernel/idreg-override.c b/arch/arm64/kernel/idreg-override.c index d833d78a7f31..964ba6efc7a0 100644 --- a/arch/arm64/kernel/idreg-override.c +++ b/arch/arm64/kernel/idreg-override.c @@ -178,6 +178,13 @@ static const struct { { "nokaslr", "kaslr.disabled=1" }, }; +static int __ini...
2ad91e44e6b0c7ef1ed151b3bb2242a2144e6085
Analyze and fix the following issue in the Linux kernel code: perf/arm-cmn: Fix port detection for CMN-700
Problem Details: When the "extra device ports" configuration was first added, the additional mxp_device_port_connect_info registers were added around the existing mxp_mesh_port_connect_info registers. What I missed about CMN-700 is that it shuffled them around to remove this discontinuity. As such, tweak the definition...
```diff diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index 5a57c3f10d27..47d359f72957 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -57,14 +57,12 @@ #define CMN_INFO_REQ_VC_NUM GENMASK_ULL(1, 0) /* XPs also have some local topology info which has uses too */ -#define CMN_MXP__...
af6c0bd59f4f3ad5daad2f7b777954b1954551d5
Analyze and fix the following issue in the Linux kernel code: arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step
Problem Details: Currently only the first attempt to single-step has any effect. After that all further stepping remains "stuck" at the same program counter value. Refer to the ARM Architecture Reference Manual (ARM DDI 0487E.a) D2.12, PSTATE.SS=1 should be set at each step before transferring the PE to the 'Active-no...
```diff diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h index 7b7e05c02691..13d437bcbf58 100644 --- a/arch/arm64/include/asm/debug-monitors.h +++ b/arch/arm64/include/asm/debug-monitors.h @@ -104,6 +104,7 @@ void user_regs_reset_single_step(struct user_pt_regs *regs, void...
860e1c7f8b0b43fbf91b4d689adfaa13adb89452
Analyze and fix the following issue in the Linux kernel code: io_uring: complete request via task work in case of DEFER_TASKRUN
Problem Details: So far io_req_complete_post() only covers DEFER_TASKRUN by completing request via task work when the request is completed from IOWQ. However, uring command could be completed from any context, and if io uring is setup with DEFER_TASKRUN, the command is required to be completed from current context, ot...
```diff diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 2a8b8c304d2a..4a865f0e85d0 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -998,7 +998,7 @@ static void __io_req_complete_post(struct io_kiocb *req) void io_req_complete_post(struct io_kiocb *req, unsigned issue_flags) { - if (req->c...
8551844d2c5b28b6809a45eb4f5d6e931838fd04
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: fix crash due to null pointer of sta in AP mode
Problem Details: In AP mode, 'sta' could be NULL if sending broadcast/multicast packets, so we should check before accessing, or it causes crash: BUG: kernel NULL pointer dereference, address: 0000000000000004 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 O...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index d6204e07a5b6..d144903c60b3 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -707,7 +707,7 @@ static u16 rtw89_core_get_data_rate(struct rtw89_dev *rtw...
d33fc8d0368c180fe2338bfae4f5367a66a719f4
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: correct 5 MHz mask setting
Problem Details: Use primary channel index to determine which 5 MHz mask should be enable. This mask is used to prevent noise from channel edge to effect CCA threshold in wide bandwidth (>= 40 MHZ). Fixes: 1b00e9236a71 ("rtw89: 8852c: add set channel of BB part") Fixes: 6b0698984eb0 ("wifi: rtw89: 8852b: add chip_ops:...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c index 7ac7aa997a96..d7ba513b4f7a 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c @@ -1289,7 +1289,7 @@ static void rtw8852b_ctrl_cck_en(struct...
d5289b2d69a777d24686d7ee8264a55761dc9f93
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: 8851b: fix TX path to path A for one RF path chip
Problem Details: For two RF paths chips, we normally set path B as main path by default. 8851B has single one RF path, so set TX path to A and set mapping of path B to 0. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230330133324.19538-3...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index 239dfb33eed5..c22e282849ff 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -1161,9 +1161,18 @@ fail: static void __rtw89_fw_h2c_set_tx_path(struct rtw89_dev...
ffde7f3476a6dfd5856dc2af207dd0f950b10122
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: add firmware format version to backward compatible with older drivers
Problem Details: In the discuss threads [1] [2], new firmware format break user space because older drivers can't recognize new firmware format. To avoid this, the new format will be named rtw89/rtw8852b_fw-1.bin and only new driver try to load it. Old drivers only load original and understandable firmware rtw89/rtw885...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 8e79064c3a7b..79bce458d3a2 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -3759,9 +3759,10 @@ struct rtw89_dev *rtw89_alloc_ieee80211_hw(struct devi...
c5280e5f6763c216e16feec10c63b6b32106ddb7
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: fix authentication fail during scan
Problem Details: We used to store operating channel info after associated. However, scan might happen before that. Without switching back to operating channel, authentication or association might fail. Therefore, we switch back to operating channel when the scanning vif's BSSID is non-zero, which implies connected or d...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index 032afbaeb71d..d3348f9bcc2a 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -3199,7 +3199,7 @@ static void rtw89_hw_scan_add_chan(struct rtw89_dev *rtwdev, in...
43235168793cb1d766ccd015c219068e0547c511
Analyze and fix the following issue in the Linux kernel code: firmware/psci: demote suspend-mode warning to info level
Problem Details: On some Qualcomm platforms, like SC8280XP, the attempt to set PC mode during boot fails with PSCI_RET_DENIED and since commit 998fcd001feb ("firmware/psci: Print a warning if PSCI doesn't accept PC mode") this is now logged at warning level: psci: failed to set PC mode: -3 As there is nothing users ...
```diff diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index 29619f49873a..d9629ff87861 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -167,7 +167,8 @@ int psci_set_osi_mode(bool enable) err = invoke_psci_fn(PSCI_1_0_FN_SET_SUSPEND_MODE, suspend_mode, 0, 0)...
7f11d17f0b0805d68f3d2e116f2e7ff0c655fe39
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: Fix setting the rate for non station cases
Problem Details: The setting of the rate used for non station cases did not take into consideration the interface type etc., thus when probe responses are transmitted on P2P Device interface etc. CCK rates were used which is not allowed. Modify the code so the non station case would consider the interface type etc. Fo...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 962d8c286fd8..20db9fc2e61a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -870,9 +870,9 @@ static u32 iwl_mvm_find_i...
d066a530af8e1833c7ea2cef7784004700c85f79
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix ptk_pn memory leak
Problem Details: If adding a key to firmware fails we leak the allocated ptk_pn. This shouldn't happen in practice, but we should still fix it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230414130637.99446ffd02bc...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 1670c2cef4c3..540d6e3e30d4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -4107,7 +4107,7 @@ static int __iwl_mvm_ma...
58d1b717879bfeabe09b35e41ad667c79933eb2e
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: pcie: Fix integer overflow in iwl_write_to_user_buf
Problem Details: An integer overflow occurs in the iwl_write_to_user_buf() function, which is called by the iwl_dbgfs_monitor_data_read() function. static bool iwl_write_to_user_buf(char __user *user_buf, ssize_t count, void *buf, ssize_t *size, ssize_t *bytes_copied) { int buf_size_left = count - *bytes_...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 40283fe622da..1b32a4035d88 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -2860,7 +2860,7 @@ static bool iwl_write_to_user_b...
8ce437dd5b2e4adef13aa4ecce07392f9966b1ab
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: fw: move memset before early return
Problem Details: Clang static analysis reports this representative issue dbg.c:1455:6: warning: Branch condition evaluates to a garbage value if (!rxf_data.size) ^~~~~~~~~~~~~~ This check depends on iwl_ini_get_rxf_data() to clear rxf_data but the function can return early without doing the clear. So move th...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index d5b51496bd0b..d9faaae01abd 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1388,13 +1388,13 @@ static void iwl_ini_get_rxf_data(struct iwl_f...
11e94d2bcd88dea5d9ce99555b6b172f5232d3e2
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: initialize seq variable
Problem Details: Clang static analysis reports this issue d3.c:567:22: warning: The left operand of '>' is a garbage value if (seq.tkip.iv32 > cur_rx_iv32) ~~~~~~~~~~~~~ ^ seq is never initialized. Call ieee80211_get_key_rx_seq() to initialize seq. Fixes: 0419e5e672d6 ("iwlwifi: mvm: d3: separate TKIP data ...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index bf80b1d093a2..798a7a1299e1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -564,6 +564,7 @@ static void iwl_mvm_wowlan_get_tkip_data(struct i...
5f10705eea400212c20c00c5dddd53978383c51c
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: Fix spelling mistake "Gerenal" -> "General"
Problem Details: There is a spelling mistake in a IWL_DEBUG_SCAN debug message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230414130637.eac55cbef8f1.I15cc5d3f1489759bf915bfb3cbbb72b67b18f8b6@changeid Sign...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 7749f15b7f14..7ac9bdbfe194 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -2297,7 +2297,7 @@ iwl_mvm_scan_umac_fill_general_p_v11(st...
41c1b0b5aa4518ed3b7a97f35164dec298072aff
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: Fix spelling mistake "upto" -> "up to"
Problem Details: There is a spelling mistake in a IWL_ERR error message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230414130637.a00965734d02.I760cb43829b3d7a0f567f0958059f2fae0aa8a93@changeid Signed-off-...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 75d52e6cf988..042c06a22f5f 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -895,7 +895,7 @@ static int iwl_parse_tlv_firmware(struct iwl_...
ba30415118eee374a08b39a0460a1d1e52c24a25
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: yoyo: Fix possible division by zero
Problem Details: Don't allow buffer allocation TLV with zero req_size since it leads later to division by zero in iwl_dbg_tlv_alloc_fragments(). Also, NPK/SRAM locations are allowed to have zero buffer req_size, don't discard them. Fixes: a9248de42464 ("iwlwifi: dbg_ini: add TLV allocation new API support") Signed-off...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c index 87366b70b17f..546737320a57 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c @@ -138,6 +138,12 @@ static int iwl_dbg_tlv_alloc...
11195ab0d6f3202cf7af1a4c69570f59c377d8ad
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: yoyo: skip dump correctly on hw error
Problem Details: When NIC is in a bad state, reading data will return 28 bits as 0xa5a5a5a and the lowest 4 bits are not fixed value. Mask these bits in a few places to skip the dump correctly. Fixes: 89639e06d0f3 ("iwlwifi: yoyo: support for new DBGI_SRAM region") Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 51cdbc13fbcd..d5b51496bd0b 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1038,7 +1038,7 @@ iwl_dump_ini_prph_mac_iter(struct iwl_fw_runtim...
b655b9a9f8467684cfa8906713d33b71ea8c8f54
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: pcie: fix possible NULL pointer dereference
Problem Details: It is possible that iwl_pci_probe() will fail and free the trans, then afterwards iwl_pci_remove() will be called and crash by trying to access trans which is already freed, fix it. iwlwifi 0000:01:00.0: Detected crf-id 0xa5a5a5a2, cnv-id 0xa5a5a5a2 wfpm id 0xa5a5a5a2 iwlwifi 0000:01:00.0: Can...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 70f6c59eec5d..a60329079167 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -1733,6 +1733,9 @@ static void iwl_pci_remove(struct pci_d...
74aae25013ecae39a133148c36c1009b85b06a79
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: Fix the duplicate dump name
Problem Details: Driver is using the dump name generated first time in all generated dump in case of NMI. The validity of dump name should be with each dump created and need to reset after each use. Fixes: 834f920ef34b ("wifi: iwlwifi: yoyo: Add driver defined dump file name") Signed-off-by: Mukesh Sisodiya <mukesh.si...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index ca97f2fcb693..51cdbc13fbcd 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2345,6 +2345,8 @@ static u32 iwl_dump_ini_file_name_info(struct i...
70582b826365d27b0be2c7cd0ebe85d01b438d2b
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: pcie: work around ROM bug on AX210 integrated
Problem Details: On 22000 and AX210 devices, there's a ROM bug that causes it to set invalid LTR settings. On 22000 and AX210 non-integrated we can fix up these settings from the driver (as done in the code here), but on AX210 integrated these registers are not available to the driver. Attempt to work around the issue...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index bece76b1a514..52479516c76b 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -102,6 +102,8 @@ #define CSR_LTR_LONG_VAL_AD_SNOOP_VAL 0x000...
fb40cd9d914c8a1b4acc56edaa96046c5f4f1669
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: cleanup beacon_inject_active during hw restart
Problem Details: beacon_inject_active turns true and false via debugfs when we inject a beacon. During the time of the beacon injection we can't configure the FW with a beacon cmd. If we have a hw restart during the beacon injection then in the recovery flow we will not be able to configure the beacon cmd to the FW. Fi...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index ac5c4799fa7e..d6f29aa2a66f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -1065,6 +1065,9 @@ static void iwl_mvm_res...
72c20e60966cb8429875a58ddbb99110f9252b9d
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix shift-out-of-bounds
Problem Details: The aux queue is initialized to IWL_MVM_INVALID_QUEUE. This is later used for a bitmask of the queue, which results in a shift-out-of-bounds. Fix it. Fixes: b85f7ebb2497 ("wifi: iwlwifi: mvm: avoid UB shift of snif_queue") Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Gregory G...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 6b2690534f59..3e5bed885bd9 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -2231,11 +2231,13 @@ static int iwl_mvm_add_int_sta_with_queue...
8e5a26360cbe29b896b6758518280d41c3704d43
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: don't drop unencrypted MCAST frames
Problem Details: MCAST frames are filtered out by the driver if we are not authorized yet. Fix it to filter out only protected frames. Fixes: 147eb05f24e6 ("iwlwifi: mvm: always tell the firmware to accept MCAST frames in BSS") Signed-off-by: Ayala Beker <ayala.beker@intel.com> Signed-off-by: Gregory Greenman <gregory...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index e08dca8d2baa..b38b24246675 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -383,9 +383,10 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, str...
5e31b3df86ec6fbb925eee77fe2c450099c61dff
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: dbg: print pc register data once fw dump occurred
Problem Details: Add debug print for different FW program counter details of different CPU. Program counter pc details will be read from TLV during init. Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/2023041321330...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dump.c b/drivers/net/wireless/intel/iwlwifi/fw/dump.c index 59ed321bcc27..f86f7b4baa18 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dump.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dump.c @@ -484,6 +484,9 @@ static void iwl_fwrt_dump_fseq_regs(struct iw...
18996a113f2567aef3057e300e3193ce2df1684c
Analyze and fix the following issue in the Linux kernel code: coresight: etm_pmu: Set the module field
Problem Details: struct pmu::module must be set to the module owning the PMU driver. Set this for the coresight etm_pmu. Fixes: 8e264c52e1dab ("coresight: core: Allow the coresight core driver to be built as a module") Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/20230405094...
```diff diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c index a48c97da8165..711f451b6946 100644 --- a/drivers/hwtracing/coresight/coresight-etm-perf.c +++ b/drivers/hwtracing/coresight/coresight-etm-perf.c @@ -901,6 +901,7 @@ int __init etm_perf_init(void...
586d492f2856216b848062d7355f21d286de4677
Analyze and fix the following issue in the Linux kernel code: crypto: ixp4xx - fix building wiht 64-bit dma_addr_t
Problem Details: The crypt_ctl structure must be exactly 64 bytes long to work correctly, and it has to be a power-of-two size to allow turning the 64-bit division in crypt_phys2virt() into a shift operation, avoiding the link failure: ERROR: modpost: "__aeabi_uldivmod" [drivers/crypto/intel/ixp4xx/ixp4xx_crypto.ko] u...
```diff diff --git a/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c b/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c index 5d640f13ad1c..ed15379a9818 100644 --- a/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c +++ b/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c @@ -118,9 +118,9 @@ struct crypt_ctl { u8 mode; /* NPE_OP_* opera...
e0358dedff4ff432318665927d45f4786c34ed52
Analyze and fix the following issue in the Linux kernel code: crypto: ccp - Bump up doorbell debug message to error
Problem Details: This is helpful not just for debugging problems, but also for investigating captured logs later on. Suggested-by: Grzegorz Bernacki <gjb@semihalf.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Tested-by: Mark Hasemeyer <markhas@chromium.org> Signed-off-by: Herbert Xu <herbert@gondor...
```diff diff --git a/drivers/crypto/ccp/platform-access.c b/drivers/crypto/ccp/platform-access.c index 1ad3a0a512b1..1cc154a1c6ab 100644 --- a/drivers/crypto/ccp/platform-access.c +++ b/drivers/crypto/ccp/platform-access.c @@ -149,7 +149,7 @@ int psp_ring_platform_doorbell(int msg) mutex_lock(&pa_dev->doorbell_mutex)...
3037933448f60f9acb705997eae62013ecb81e0d
Analyze and fix the following issue in the Linux kernel code: net: sched: sch_qfq: prevent slab-out-of-bounds in qfq_activate_agg
Problem Details: If the TCA_QFQ_LMAX value is not offered through nlattr, lmax is determined by the MTU value of the network device. The MTU of the loopback device can be set up to 2^31-1. As a result, it is possible to have an lmax value that exceeds QFQ_MIN_LMAX. Due to the invalid lmax value, an index is generated ...
```diff diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index cf5ebe43b3b4..02098a02943e 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -421,15 +421,16 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, } else weight = 1; - if (tb[TCA_QFQ_LMAX]) { + if (tb[TCA_QFQ_...
3522340199cc060b70f0094e3039bdb43c3f6ee1
Analyze and fix the following issue in the Linux kernel code: arch_topology: Remove early cacheinfo error message if -ENOENT
Problem Details: fetch_cache_info() tries to get the number of cache leaves/levels for each CPU in order to pre-allocate memory for cacheinfo struct. Allocating this memory later triggers a: 'BUG: sleeping function called from invalid context' in PREEMPT_RT kernels. If there is no cache related information available...
```diff diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 147fb7d4af96..b741b5ba82bd 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -843,10 +843,11 @@ void __init init_cpu_topology(void) for_each_possible_cpu(cpu) { ret = fetch_cache_info(cpu); - if ...
cde0fbff07eff7e4e0e85fa053fe19a24c86b1e0
Analyze and fix the following issue in the Linux kernel code: cacheinfo: Check cache properties are present in DT
Problem Details: If a Device Tree (DT) is used, the presence of cache properties is assumed. Not finding any is not considered. For arm64 platforms, cache information can be fetched from the clidr_el1 register. Checking whether cache information is available in the DT allows to switch to using clidr_el1. init_of_cache...
```diff diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index ba14c7872e4a..f16e5a82f0f3 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -78,6 +78,9 @@ bool last_level_cache_is_shared(unsigned int cpu_x, unsigned int cpu_y) } #ifdef CONFIG_OF + +static bool of_check_cache_no...
7a306e3eabf2b2fd8cffa69b87b32dbf814d79ce
Analyze and fix the following issue in the Linux kernel code: cacheinfo: Check sib_leaf in cache_leaves_are_shared()
Problem Details: If there is no ACPI/DT information, it is assumed that L1 caches are private and L2 (and higher) caches are shared. A cache is 'shared' between two CPUs if it is accessible from these two CPUs. Each CPU owns a representation (i.e. has a dedicated cacheinfo struct) of the caches it has access to. cache...
```diff diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index 6e0a44bad305..ba14c7872e4a 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -38,11 +38,10 @@ static inline bool cache_leaves_are_shared(struct cacheinfo *this_leaf, { /* * For non DT/ACPI systems, assume unique l...
7cddb055bfda5f7b0be931e8ea750fc28bc18a27
Analyze and fix the following issue in the Linux kernel code: md/raid10: don't call bio_start_io_acct twice for bio which experienced read error
Problem Details: handle_read_error() will resumit r10_bio by raid10_read_request(), which will call bio_start_io_acct() again, while bio_end_io_acct() will only be called once. Fix the problem by don't account io again from handle_read_error(). Fixes: 528bc2cf2fcc ("md/raid10: enable io accounting") Suggested-by: Son...
```diff diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 375ed73f6c9e..4fcfcb350d2b 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1250,7 +1250,8 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio, } slot = r10_bio->read_slot; - if (blk_queue_io_stat(bio->bi_bdev->...
f0ddb83da3cbbf8a1f9087a642c448ff52ee9abd
Analyze and fix the following issue in the Linux kernel code: md/raid10: fix memleak of md thread
Problem Details: In raid10_run(), if setup_conf() succeed and raid10_run() failed before setting 'mddev->thread', then in the error path 'conf->thread' is not freed. Fix the problem by setting 'mddev->thread' right after setup_conf(). Fixes: 43a521238aca ("md-cluster: choose correct label when clustered layout is not...
```diff diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index befa4775c78b..375ed73f6c9e 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -4150,6 +4150,9 @@ static int raid10_run(struct mddev *mddev) if (!conf) goto out; + mddev->thread = conf->thread; + conf->thread = NULL; + if (mddev_is_...
c9ac2acde53f5385de185bccf6aaa91cf9ac1541
Analyze and fix the following issue in the Linux kernel code: md/raid10: fix memleak for 'conf->bio_split'
Problem Details: In the error path of raid10_run(), 'conf' need be freed, however, 'conf->bio_split' is missed and memory will be leaked. Since there are 3 places to free 'conf', factor out a helper to fix the problem. Fixes: fc9977dd069e ("md/raid10: simplify the splitting of requests.") Signed-off-by: Yu Kuai <yuku...
```diff diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 82f2277d7bcf..befa4775c78b 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -4017,6 +4017,20 @@ static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new) return nc*fc; } +static void raid10_free_conf(struct r10co...
26208a7cffd0c7cbf14237ccd20c7270b3ffeb7e
Analyze and fix the following issue in the Linux kernel code: md/raid10: fix leak of 'r10bio->remaining' for recovery
Problem Details: raid10_sync_request() will add 'r10bio->remaining' for both rdev and replacement rdev. However, if the read io fails, recovery_request_write() returns without issuing the write io, in this case, end_sync_request() is only called once and 'remaining' is leaked, cause an io hang. Fix the problem by decr...
```diff diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index f82a930f7be0..82f2277d7bcf 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2615,11 +2615,22 @@ static void recovery_request_write(struct mddev *mddev, struct r10bio *r10_bio) { struct r10conf *conf = mddev->private; int d; - struct...
d7c281eecec0699449ca9ecfff82fe056dddb488
Analyze and fix the following issue in the Linux kernel code: drm/i915/debugfs: New debugfs for display clock frequencies
Problem Details: Instead of mixing display & non-display stuff together, move display specific clock info to new debugfs. This patch will create a new debugfs "i915_cdclk_info" to expose Current & Max cdclk and Max pixel clock frequency info. Example: $ cat /sys/kernel/debug/dri/0/i915_cdclk_info Current CD clock freq...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 084a483f9776..f6223d8f13b8 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -3235,6 +3235,27 @@ u32 intel_read_rawclk(struct drm_i915_private *dev...
cf5950187319346d7cdc62522f90479dfefd9235
Analyze and fix the following issue in the Linux kernel code: Input: xpad - fix PowerA EnWired Controller guide button
Problem Details: This commit explicitly disables the audio interface the same way the official driver does. This is needed for some controllers, such as the PowerA Enhanced Wired Controller for Series X|S (0x20d6:0x200e) to report the guide button. Signed-off-by: Vicki Pfau <vi@endrift.com> Link: https://lore.kernel.o...
```diff diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 6ea9c10dfb8a..138e4a9f341f 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -1396,6 +1396,21 @@ static int xpad_start_xbox_one(struct usb_xpad *xpad) unsigned long flags; int retval; + if (usb...
2efc8e1001acfdc143cf2d25a08a4974c322e2a8
Analyze and fix the following issue in the Linux kernel code: drm/i915/color: Fix typo for Plane CSC indexes
Problem Details: Replace _PLANE_INPUT_CSC_RY_GY_2_* with _PLANE_CSC_RY_GY_2_* for Plane CSC Fixes: 6eba56f64d5d ("drm/i915/pxp: black pixels on pxp disabled") Cc: <stable@vger.kernel.org> Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-of...
```diff diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 736a8dcf777b..c4197e31962e 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6349,8 +6349,8 @@ enum skl_power_gate { #define _PLANE_CSC_RY_GY_1(pipe) _PIPE(pipe, _PLANE_CSC_RY_GY_1_A, \ ...
5dc63e56a9cf8df0b59c234a505a1653f1bdf885
Analyze and fix the following issue in the Linux kernel code: Input: cyttsp5 - fix sensing configuration data structure
Problem Details: Prior to this patch, the sensing configuration data was not parsed correctly, breaking detection of max_tch. The vendor driver includes this field. This change informs the driver about the correct maximum number of simultaneous touch inputs. Tested on a Pine64 PineNote with a modified touch screen con...
```diff diff --git a/drivers/input/touchscreen/cyttsp5.c b/drivers/input/touchscreen/cyttsp5.c index 16caffa35dd9..30102cb80fac 100644 --- a/drivers/input/touchscreen/cyttsp5.c +++ b/drivers/input/touchscreen/cyttsp5.c @@ -111,6 +111,7 @@ struct cyttsp5_sensing_conf_data_dev { __le16 max_z; u8 origin_x; u8 origin...
d6e680837ec568818eff275c15709231ce2e2b4f
Analyze and fix the following issue in the Linux kernel code: Input: synaptics-rmi4 - fix function name in kerneldoc
Problem Details: No functional modification involved. drivers/input/rmi4/rmi_bus.c:300: warning: expecting prototype for rmi_register_function_handler(). Prototype was for __rmi_register_function_handler() instead. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.al...
```diff diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c index 50a0134b6901..f2e093b0b998 100644 --- a/drivers/input/rmi4/rmi_bus.c +++ b/drivers/input/rmi4/rmi_bus.c @@ -285,7 +285,7 @@ void rmi_unregister_function(struct rmi_function *fn) } /** - * rmi_register_function_handler - register ...
5bca3688bdbc3b58a2894b8671a8e2378efe28bd
Analyze and fix the following issue in the Linux kernel code: Input: raspberrypi-ts - fix refcount leak in rpi_ts_probe
Problem Details: rpi_firmware_get() take reference, we need to release it in error paths as well. Use devm_rpi_firmware_get() helper to handling the resources. Also remove the existing rpi_firmware_put(). Fixes: 0b9f28fed3f7 ("Input: add official Raspberry Pi's touchscreen driver") Fixes: 3b8ddff780b7 ("input: raspber...
```diff diff --git a/drivers/input/touchscreen/raspberrypi-ts.c b/drivers/input/touchscreen/raspberrypi-ts.c index 5000f5fd9ec3..45c575df994e 100644 --- a/drivers/input/touchscreen/raspberrypi-ts.c +++ b/drivers/input/touchscreen/raspberrypi-ts.c @@ -134,7 +134,7 @@ static int rpi_ts_probe(struct platform_device *pdev)...
6ab6f98fcdc9d4fbe245aa67de03542deea65322
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/hdmi: disable KAE for Intel DG2
Problem Details: Use of keep-alive (KAE) has resulted in loss of audio on some A750/770 cards as the transition from keep-alive to stream playback is not working as expected. As there is limited benefit of the new KAE mode on discrete cards, revert back to older silent-stream implementation on these systems. Cc: stabl...
```diff diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 4ffa3a59f419..5c6980394dce 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -4604,7 +4604,7 @@ HDA_CODEC_ENTRY(0x80862814, "DG1 HDMI", patch_i915_tgl_hdmi), HDA_CODEC_ENTRY(0x80862815, "Alderlake HDMI", patch_...
c54876cd5961ce0f8e74807f79a6739cd6b35ddf
Analyze and fix the following issue in the Linux kernel code: net/sched: pass netlink extack to mqprio and taprio offload
Problem Details: With the multiplexed ndo_setup_tc() model which lacks a first-class struct netlink_ext_ack * argument, the only way to pass the netlink extended ACK message down to the device driver is to embed it within the offload structure. Do this for struct tc_mqprio_qopt_offload and struct tc_taprio_qopt_offloa...
```diff diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index bb0bd69fb655..b43ed4733455 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -166,6 +166,7 @@ struct tc_mqprio_caps { struct tc_mqprio_qopt_offload { /* struct tc_mqprio_qopt must always be the first element */ struct ...
6efddf1e32e2a264694766ca485a4f5e04ee82a7
Analyze and fix the following issue in the Linux kernel code: md: fix soft lockup in status_resync
Problem Details: status_resync() will calculate 'curr_resync - recovery_active' to show user a progress bar like following: [============>........] resync = 61.4% 'curr_resync' and 'recovery_active' is updated in md_do_sync(), and status_resync() can read them concurrently, hence it's possible that 'curr_resync - re...
```diff diff --git a/drivers/md/md.c b/drivers/md/md.c index 63722035983d..122ae28e785c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -8032,16 +8032,16 @@ static int status_resync(struct seq_file *seq, struct mddev *mddev) } else if (resync > max_sectors) { resync = max_sectors; } else { - resync -= ato...
10172f200b67aafcb9b8ce7d0575d713c1aafbb7
Analyze and fix the following issue in the Linux kernel code: md: Fix types in sb writer
Problem Details: Page->index is a pgoff_t and multiplying could cause overflows on a 32-bit architecture. In the sb writer, this is used to calculate and verify the sector being used, and is multiplied by a sector value. Using sector_t will cast it to a u64 type and is the more appropriate type for the unit. Additional...
```diff diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index cdc61e65abae..bf250a5e3a86 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -215,12 +215,13 @@ static int __write_sb_page(struct md_rdev *rdev, struct bitmap *bitmap, struct block_device *bdev; struct mddev *mddev = bitmap...
dccb8ad615bf042a318d66d284151d4783cd56d6
Analyze and fix the following issue in the Linux kernel code: md/raid10: Fix typo in comment (replacment -> replacement)
Problem Details: Replace replacment with replacement. Signed-off-by: Jiangshan Yi <yijiangshan@kylinos.cn> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20230214064013.2373851-1-yijiangshan@kylinos.cn
```diff diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 9e0e7bf524aa..6b39e6c7ada3 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1630,7 +1630,7 @@ static void raid10_end_discard_request(struct bio *bio) /* * raid10_remove_disk uses smp_mb to make sure rdev is set to * replacemen...
a405c6f0229526160aa3f177f65e20c86fce84c5
Analyze and fix the following issue in the Linux kernel code: md/raid10: fix null-ptr-deref in raid10_sync_request
Problem Details: init_resync() inits mempool and sets conf->have_replacemnt at the beginning of sync, close_sync() frees the mempool when sync is completed. After [1] recovery might be skipped and init_resync() is called but close_sync() is not. null-ptr-deref occurs with r10bio->dev[i].repl_bio. The following is one...
```diff diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index db9ee3b637d6..9e0e7bf524aa 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3297,10 +3297,6 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, sector_t chunk_mask = conf->geo.chunk_mask; int page_idx = 0;...
72c215ed8731c88b2d7e09afc51fffc207ae47b8
Analyze and fix the following issue in the Linux kernel code: md/raid10: fix task hung in raid10d
Problem Details: commit fe630de009d0 ("md/raid10: avoid deadlock on recovery.") allowed normal io and sync io to exist at the same time. Task hung will occur as below: T1 T2 T3 T4 raid10d handle_read_error allow_barrier conf->nr_pending-- -> 0 //submit sync io ...
```diff diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 6c66357f92f5..db9ee3b637d6 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -995,11 +995,15 @@ static bool stop_waiting_barrier(struct r10conf *conf) (!bio_list_empty(&bio_list[0]) || !bio_list_empty(&bio_list[1]))) return true; ...
3ea31e66644b263f43850174847956fbbe2c28cf
Analyze and fix the following issue in the Linux kernel code: tools: ynl: Remove absolute paths to yaml files from ethtool testing tool
Problem Details: Absolute paths for the spec and schema files make the ethtool testing tool unusable with freshly checked-out source trees. Replace absolute paths with relative paths for both files in the Documentation/ directory. Issue seen before the change Traceback (most recent call last): File "/home/binar...
```diff diff --git a/tools/net/ynl/ethtool b/tools/net/ynl/ethtool index 5fb1d670693a..6c9f7e31250c 100755 --- a/tools/net/ynl/ethtool +++ b/tools/net/ynl/ethtool @@ -152,8 +152,8 @@ def main(): global args args = parser.parse_args() - spec = '/usr/local/google/home/sdf/src/linux/Documentation/netlink/sp...
74391b3e69855e7dd65a9cef36baf5fc1345affd
Analyze and fix the following issue in the Linux kernel code: nvme-pci: add NVME_QUIRK_BOGUS_NID for T-FORCE Z330 SSD
Problem Details: Added a quirk to fix the TeamGroup T-Force Cardea Zero Z330 SSDs reporting duplicate NGUIDs. Signed-off-by: Duy Truong <dory@dory.moe> Cc: stable@vger.kernel.org Signed-off-by: Christoph Hellwig <hch@lst.de>
```diff diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 282d808400c5..cd7873de3121 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3443,6 +3443,8 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_DEVICE(0x1d97, 0x2269), /* Lexar NM760 */ .driver_data = NVME_...
a291399e635415295860765954e247e83445e291
Analyze and fix the following issue in the Linux kernel code: net: mscc: ocelot: fix ineffective WARN_ON() in ocelot_stats.c
Problem Details: Since it is hopefully now clear that, since "last" and "layout[i].reg" are enum types and not addresses, the existing WARN_ON() is ineffective in checking that the _addresses_ are sorted in the proper order. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Jacob Keller <jacob.e.ke...
```diff diff --git a/drivers/net/ethernet/mscc/ocelot_stats.c b/drivers/net/ethernet/mscc/ocelot_stats.c index e82c9d9d0ad3..5c55197c7327 100644 --- a/drivers/net/ethernet/mscc/ocelot_stats.c +++ b/drivers/net/ethernet/mscc/ocelot_stats.c @@ -901,6 +901,17 @@ static int ocelot_prepare_stats_regions(struct ocelot *ocelo...
a9afc3e41c61688e26ba526a1f6c574608ae42d5
Analyze and fix the following issue in the Linux kernel code: net: dsa: felix: remove confusing/incorrect comment from felix_setup()
Problem Details: That comment was written prior to knowing that what I was actually seeing was a manifestation of the bug fixed in commit b4024c9e5c57 ("felix: Fix initialization of ioremap resources"). There isn't any particular reason now why the hardware initialization is done in felix_setup(), so just delete that ...
```diff diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 6dcebcfd71e7..80861ac090ae 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -1550,11 +1550,6 @@ static int felix_connect_tag_protocol(struct dsa_switch *ds, } } -/* Hardware initialization ...
07de32655bb4e4518cdb8ce4e2e0d6ed49f2ceb0
Analyze and fix the following issue in the Linux kernel code: net: mscc: ocelot: debugging print for statistics regions
Problem Details: To make it easier to debug future issues with statistics counters not getting aggregated properly into regions, like what happened in commit 6acc72a43eac ("net: mscc: ocelot: fix stats region batching"), add some dev_dbg() prints which show the regions that were dynamically determined. Signed-off-by: ...
```diff diff --git a/drivers/net/ethernet/mscc/ocelot_stats.c b/drivers/net/ethernet/mscc/ocelot_stats.c index d0e6cd8dbe5c..b50d9d9f8023 100644 --- a/drivers/net/ethernet/mscc/ocelot_stats.c +++ b/drivers/net/ethernet/mscc/ocelot_stats.c @@ -925,6 +925,15 @@ static int ocelot_prepare_stats_regions(struct ocelot *ocelo...
1cf3bfc60f9836f44da951f58b6ae24680484b35
Analyze and fix the following issue in the Linux kernel code: bpf: Support 64-bit pointers to kfuncs
Problem Details: test_ksyms_module fails to emit a kfunc call targeting a module on s390x, because the verifier stores the difference between kfunc address and __bpf_call_base in bpf_insn.imm, which is s32, and modules are roughly (1 << 42) bytes away from the kernel on s390x. Fix by keeping BTF id in bpf_insn.imm for...
```diff diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index d0846ba818ee..7102e4b674a0 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -2001,6 +2001,11 @@ bool bpf_jit_supports_kfunc_call(void) return true; } +bool bpf_jit_supports_far_kfunc_call(void) +{ ...
c11bd046485d7bf1ca200db0e7d0bdc4bafdd395
Analyze and fix the following issue in the Linux kernel code: bpf: Add preempt_count_{sub,add} into btf id deny list
Problem Details: The recursion check in __bpf_prog_enter* and __bpf_prog_exit* leave preempt_count_{sub,add} unprotected. When attaching trampoline to them we get panic as follows, [ 867.843050] BUG: TASK stack guard page was hit at 0000000009d325cf (stack is 0000000046a46a15..00000000537e7b28) [ 867.843064] stack g...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index d6db6de3e9ea..e3d5a7a2f428 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -18582,6 +18582,10 @@ BTF_ID(func, migrate_enable) #if !defined CONFIG_PREEMPT_RCU && !defined CONFIG_TINY_RCU BTF_ID(func, rcu_read_unlock_strict) #en...
68d1151f03067533827fc50b770954ef33149533
Analyze and fix the following issue in the Linux kernel code: clk: qcom: dispcc-qcm2290: Remove inexistent DSI1PHY clk
Problem Details: There's only one DSI PHY on this SoC. Remove the ghost entry for the clock produced by a secondary one. Fixes: cc517ea3333f ("clk: qcom: Add display clock controller driver for QCM2290") Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link:...
```diff diff --git a/drivers/clk/qcom/dispcc-qcm2290.c b/drivers/clk/qcom/dispcc-qcm2290.c index cbb5f1ec6a54..e9cfe41c0442 100644 --- a/drivers/clk/qcom/dispcc-qcm2290.c +++ b/drivers/clk/qcom/dispcc-qcm2290.c @@ -27,7 +27,6 @@ enum { P_DISP_CC_PLL0_OUT_MAIN, P_DSI0_PHY_PLL_OUT_BYTECLK, P_DSI0_PHY_PLL_OUT_DSICLK...
1a500e0bc97b6cb3c0d9859e81973b8dd07d1b7b
Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-sm8350: fix PCIe PIPE clocks handling
Problem Details: On SM8350 platform the PCIe PIPE clocks require additional handling to function correctly. They are to be switched to the tcxo source before turning PCIe GDSCs off and should be switched to PHY PIPE source once they are working. Switch PCIe PHY clocks to use clk_regmap_phy_mux_ops, which provide suppor...
```diff diff --git a/drivers/clk/qcom/gcc-sm8350.c b/drivers/clk/qcom/gcc-sm8350.c index af4a1ea28421..1385a98eb3bb 100644 --- a/drivers/clk/qcom/gcc-sm8350.c +++ b/drivers/clk/qcom/gcc-sm8350.c @@ -17,6 +17,7 @@ #include "clk-regmap.h" #include "clk-regmap-divider.h" #include "clk-regmap-mux.h" +#include "clk-regma...
aad09fc7c4a522892eb64a79627b17a3869936cb
Analyze and fix the following issue in the Linux kernel code: clk: qcom: lpassaudiocc-sc7280: Add required gdsc power domain clks in lpass_cc_sc7280_desc
Problem Details: Add GDSCs in lpass_cc_sc7280_desc struct. When qcom,adsp-pil-mode is enabled, GDSCs required to solve dependencies in lpass_audiocc probe(). Fixes: 0cbcfbe50cbf ("clk: qcom: lpass: Handle the regmap overlap of lpasscc and lpass_aon") Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com> Reviewed-...
```diff diff --git a/drivers/clk/qcom/lpassaudiocc-sc7280.c b/drivers/clk/qcom/lpassaudiocc-sc7280.c index 1339f9211a14..134eb1529ede 100644 --- a/drivers/clk/qcom/lpassaudiocc-sc7280.c +++ b/drivers/clk/qcom/lpassaudiocc-sc7280.c @@ -696,6 +696,8 @@ static const struct qcom_cc_desc lpass_cc_sc7280_desc = { .config =...
4fc1c2d9a2b7a394f3b873aae5e03bffd8b5cd31
Analyze and fix the following issue in the Linux kernel code: clk: qcom: lpasscc-sc7280: Skip qdsp6ss clock registration
Problem Details: The qdsp6ss memory region is being shared by ADSP remoteproc device and lpasscc clock device, hence causing memory conflict. To avoid this, when qdsp6ss clocks are being enabled in remoteproc driver, skip qdsp6ss clock registration if "qcom,adsp-pil-mode" is enabled and also assign max_register value. ...
```diff diff --git a/drivers/clk/qcom/lpasscc-sc7280.c b/drivers/clk/qcom/lpasscc-sc7280.c index 48432010ce24..0df2b29e95e3 100644 --- a/drivers/clk/qcom/lpasscc-sc7280.c +++ b/drivers/clk/qcom/lpasscc-sc7280.c @@ -121,14 +121,18 @@ static int lpass_cc_sc7280_probe(struct platform_device *pdev) goto destroy_pm_clk; ...
ef69d2559fe91f23d27a3d6fd640b5641787d22e
Analyze and fix the following issue in the Linux kernel code: riscv: Move early dtb mapping into the fixmap region
Problem Details: riscv establishes 2 virtual mappings: - early_pg_dir maps the kernel which allows to discover the system memory - swapper_pg_dir installs the final mapping (linear mapping included) We used to map the dtb in early_pg_dir using DTB_EARLY_BASE_VA, and this mapping was not carried over in swapper_pg_d...
```diff diff --git a/Documentation/riscv/vm-layout.rst b/Documentation/riscv/vm-layout.rst index 3be44e74ec5d..5462c84f4723 100644 --- a/Documentation/riscv/vm-layout.rst +++ b/Documentation/riscv/vm-layout.rst @@ -47,7 +47,7 @@ RISC-V Linux Kernel SV39 | K...
c04135ab351badb1daf5868328581075ead691e0
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix merge conflict due to SYS() macro change.
Problem Details: Fix merge conflict between bpf/bpf-next trees due to change of arguments in SYS() macro. Signed-off-by: Alexei Starovoitov <ast@kernel.org>
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c index c94eb63b7b77..498d3bdaa4b0 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c @@ -175,8 +175,8 ...
0a3bf86092c38f7b72c56c6901c78dd302411307
Analyze and fix the following issue in the Linux kernel code: module: Ignore L0 and rename is_arm_mapping_symbol()
Problem Details: The L0 symbol is generated when build module on LoongArch, ignore it in modpost and when looking at module symbols, otherwise we can not see the expected call trace. Now is_arm_mapping_symbol() is not only for ARM, in order to reflect the reality, rename is_arm_mapping_symbol() to is_mapping_symbol()....
```diff diff --git a/include/linux/module_symbol.h b/include/linux/module_symbol.h index 9fa4173d0197..7ace7ba30203 100644 --- a/include/linux/module_symbol.h +++ b/include/linux/module_symbol.h @@ -3,10 +3,12 @@ #define _LINUX_MODULE_SYMBOL_H /* This ignores the intensely annoying "mapping symbols" found in ELF fi...
87e5b1e8f257023ac5c4d2b8f07716a7f3dcc8ea
Analyze and fix the following issue in the Linux kernel code: module: Sync code of is_arm_mapping_symbol()
Problem Details: After commit 2e3a10a1551d ("ARM: avoid ARM binutils leaking ELF local symbols") and commit d6b732666a1b ("modpost: fix undefined behavior of is_arm_mapping_symbol()"), many differences of is_arm_mapping_symbol() exist in kernel/module/kallsyms.c and scripts/mod/modpost.c, just sync the code to keep con...
```diff diff --git a/kernel/module/kallsyms.c b/kernel/module/kallsyms.c index 3320586584f1..a9045fe55bcd 100644 --- a/kernel/module/kallsyms.c +++ b/kernel/module/kallsyms.c @@ -251,8 +251,9 @@ static inline int is_arm_mapping_symbol(const char *str) { if (str[0] == '.' && str[1] == 'L') return true; - return st...
935fc6fa6466cf18dd72dd1518ebc7bfc4cd58a4
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to check return value of inc_valid_block_count()
Problem Details: In __replace_atomic_write_block(), we missed to check return value of inc_valid_block_count(), for extreme testcase that f2fs image is run out of space, it may cause inconsistent status in between SIT table and total valid block count. Cc: Daeho Jeong <daehojeong@google.com> Fixes: 3db1de0e582c ("f2fs...
```diff diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 84e2e558ea99..82430f80c5da 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -246,10 +246,16 @@ retry: } else { blkcnt_t count = 1; + err = inc_valid_block_count(sbi, inode, &count); + if (err) { + f2fs_put_dnode(&dn); + return err; +...
b851ee6ba3cc212641e622ebcf92b950c7bafa07
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to check return value of f2fs_do_truncate_blocks()
Problem Details: Otherwise, if truncation on cow_inode failed, remained data may pollute current transaction of atomic write. Cc: Daeho Jeong <daehojeong@google.com> Fixes: a46bebd502fe ("f2fs: synchronize atomic write aborts") Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 14e9a20e68df..48a563cc0f34 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2113,7 +2113,11 @@ static int f2fs_ioc_start_atomic_write(struct file *filp, bool truncate) clear_inode_flag(fi->cow_inode, FI_INLINE_DATA); } else { /* Reuse the already cr...
1ac3d037bee9ac3c4ec4041aafb54c5dffd7e1d0
Analyze and fix the following issue in the Linux kernel code: f2fs: fix passing relative address when discard zones
Problem Details: We should not pass relative address in a zone to __f2fs_issue_discard_zone(). Signed-off-by: Daeho Jeong <daehojeong@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index fc0734e4fb92..84e2e558ea99 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -4942,9 +4942,8 @@ static int fix_curseg_write_pointer(struct f2fs_sb_info *sbi, int type) "New zone for curseg[%d] is not yet discarded. " "Reset the zon...
d1aae06630230daf747ef5bc291c19ea7f046129
Analyze and fix the following issue in the Linux kernel code: clk: starfive: Avoid casting iomem pointers
Problem Details: Let's use a wrapper struct for the auxiliary_device made in jh7110_reset_controller_register() so that we can stop casting iomem pointers. The casts trip up tools like sparse, and make for some awkward casts that are largely unnecessary. While we're here, change the allocation from devm and actually fr...
```diff diff --git a/drivers/clk/starfive/clk-starfive-jh7110-sys.c b/drivers/clk/starfive/clk-starfive-jh7110-sys.c index 5ec210644e1d..851b93d0f371 100644 --- a/drivers/clk/starfive/clk-starfive-jh7110-sys.c +++ b/drivers/clk/starfive/clk-starfive-jh7110-sys.c @@ -11,6 +11,9 @@ #include <linux/init.h> #include <lin...
7455b7007b9e93bcc2bc9c1c6c73a228e3152069
Analyze and fix the following issue in the Linux kernel code: clk: microchip: fix potential UAF in auxdev release callback
Problem Details: Similar to commit 1c11289b34ab ("peci: cpu: Fix use-after-free in adev_release()"), the auxiliary device is not torn down in the correct order. If auxiliary_device_add() fails, the release callback will be called twice, resulting in a UAF. Due to timing, the auxdev code in this driver "took inspiration...
```diff diff --git a/drivers/clk/microchip/clk-mpfs.c b/drivers/clk/microchip/clk-mpfs.c index 4f0a19db7ed7..cc5d7dee59f0 100644 --- a/drivers/clk/microchip/clk-mpfs.c +++ b/drivers/clk/microchip/clk-mpfs.c @@ -374,14 +374,13 @@ static void mpfs_reset_unregister_adev(void *_adev) struct auxiliary_device *adev = _adev...
11b3b9f461c5c4f700f6c8da202fcc2fd6418e1f
Analyze and fix the following issue in the Linux kernel code: drm/sched: Check scheduler ready before calling timeout handling
Problem Details: During an IGT GPU reset test we see the following oops, [ +0.000003] ------------[ cut here ]------------ [ +0.000000] WARNING: CPU: 9 PID: 0 at kernel/workqueue.c:1656 __queue_delayed_work+0x6d/0xa0 [ +0.000004] Modules linked in: iptable_filter bpfilter amdgpu(OE) nls_iso8859_1 snd_hda_codec_real...
```diff diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index 0e4378420271..1e08cc5a1702 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -308,7 +308,8 @@ static void drm_sched_start_timeout(struct drm_gpu_scheduler *sched) ...
c160118a90d4acf335993d8d59b02ae2147a524e
Analyze and fix the following issue in the Linux kernel code: perf map: Delete two variable initialisations before null pointer checks in sort__sym_from_cmp()
Problem Details: Addresses of two data structure members were determined before corresponding null pointer checks in the implementation of the function “sort__sym_from_cmp”. Thus avoid the risk for undefined behaviour by removing extra initialisations for the local variables “from_l” and “from_r” (also because they we...
```diff diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 80c9960c37e5..f2ffaf90648e 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -1020,8 +1020,7 @@ static int hist_entry__dso_to_filter(struct hist_entry *he, int type, static int64_t sort__sym_from_cmp(struct hist_entry *left, ...
ee31f6fea61c332100d2161081abbdfe65411fe9
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for tigerlake
Problem Details: Move events from 'uncore-other' topic classification to interconnect. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: ...
```diff diff --git a/tools/perf/pmu-events/arch/x86/tigerlake/uncore-interconnect.json b/tools/perf/pmu-events/arch/x86/tigerlake/uncore-interconnect.json new file mode 100644 index 000000000000..eed1b90a2779 --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/tigerlake/uncore-interconnect.json @@ -0,0 +1,90 @@ +[ + ...
9a8b303688f80aa9480d6a196817c90b6a592356
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for skylake
Problem Details: Move events from 'uncore-other' topic classification to cache and interconnect. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <mingo@redhat...
```diff diff --git a/tools/perf/pmu-events/arch/x86/skylake/uncore-cache.json b/tools/perf/pmu-events/arch/x86/skylake/uncore-cache.json index ec9463c94ffe..b4e061477c1a 100644 --- a/tools/perf/pmu-events/arch/x86/skylake/uncore-cache.json +++ b/tools/perf/pmu-events/arch/x86/skylake/uncore-cache.json @@ -6,7 +6,7 @@ ...
f58468a815a3933710e871812ffe23b15421edc4
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for sandybridge
Problem Details: Remove 'uncore-other' topic classification, move to cache and interconnect. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <mingo@redhat.com...
```diff diff --git a/tools/perf/pmu-events/arch/x86/sandybridge/uncore-cache.json b/tools/perf/pmu-events/arch/x86/sandybridge/uncore-cache.json index c538557ba4c0..be9a3ed1a940 100644 --- a/tools/perf/pmu-events/arch/x86/sandybridge/uncore-cache.json +++ b/tools/perf/pmu-events/arch/x86/sandybridge/uncore-cache.json @...
6c3566c594505d1e3d1d49f2c0a8dac61441505c
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for knightslanding
Problem Details: Remove 'uncore-other' topic classification, move to cache, io and memory. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <mingo@redhat.com> ...
```diff diff --git a/tools/perf/pmu-events/arch/x86/knightslanding/uncore-other.json b/tools/perf/pmu-events/arch/x86/knightslanding/uncore-cache.json similarity index 91% rename from tools/perf/pmu-events/arch/x86/knightslanding/uncore-other.json rename to tools/perf/pmu-events/arch/x86/knightslanding/uncore-cache.jso...
c2f38d3b95e600d3a9a7195a2db57f7d47fb0664
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for ivybridge
Problem Details: Remove 'uncore-other' topic classification, move to cache and interconnect. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <mingo@redhat.com...
```diff diff --git a/tools/perf/pmu-events/arch/x86/ivybridge/uncore-cache.json b/tools/perf/pmu-events/arch/x86/ivybridge/uncore-cache.json index c538557ba4c0..be9a3ed1a940 100644 --- a/tools/perf/pmu-events/arch/x86/ivybridge/uncore-cache.json +++ b/tools/perf/pmu-events/arch/x86/ivybridge/uncore-cache.json @@ -5,7 +...
bc4a245a80eef3ac1f0ee33f1ee3217218e38f3e
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for icelake
Problem Details: Move events from 'uncore-other' topic classification to interconnect. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: ...
```diff diff --git a/tools/perf/pmu-events/arch/x86/icelake/uncore-interconnect.json b/tools/perf/pmu-events/arch/x86/icelake/uncore-interconnect.json new file mode 100644 index 000000000000..8027590f1776 --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/icelake/uncore-interconnect.json @@ -0,0 +1,74 @@ +[ + { + ...
6910f7bac205b28110f896b0b9881ecd35772426
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for haswell
Problem Details: Move events from 'uncore-other' topic classification to cache and interconnect. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <mingo@redhat...
```diff diff --git a/tools/perf/pmu-events/arch/x86/haswell/uncore-cache.json b/tools/perf/pmu-events/arch/x86/haswell/uncore-cache.json index c538557ba4c0..be9a3ed1a940 100644 --- a/tools/perf/pmu-events/arch/x86/haswell/uncore-cache.json +++ b/tools/perf/pmu-events/arch/x86/haswell/uncore-cache.json @@ -5,7 +5,7 @@ ...
141825578a2467294752d2952c166116e32af2ca
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for broadwell
Problem Details: Reduce the number of 'uncore-other' topic classifications, move to cache and interconnect. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <m...
```diff diff --git a/tools/perf/pmu-events/arch/x86/broadwell/uncore-cache.json b/tools/perf/pmu-events/arch/x86/broadwell/uncore-cache.json index fcb15b880bad..c5cc43825cb9 100644 --- a/tools/perf/pmu-events/arch/x86/broadwell/uncore-cache.json +++ b/tools/perf/pmu-events/arch/x86/broadwell/uncore-cache.json @@ -6,7 +...
759e81507e82375475c6ff1cd328b2e4bb10aee6
Analyze and fix the following issue in the Linux kernel code: perf vendor events intel: Fix uncore topics for alderlake
Problem Details: Move events from 'uncore-other' topic classification to interconnect. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Caleb Biggers <caleb.biggers@intel.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: ...
```diff diff --git a/tools/perf/pmu-events/arch/x86/alderlake/uncore-interconnect.json b/tools/perf/pmu-events/arch/x86/alderlake/uncore-interconnect.json new file mode 100644 index 000000000000..34fc052d00e4 --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/alderlake/uncore-interconnect.json @@ -0,0 +1,90 @@ +[ + ...
b4aff7513df323553de714dcf7b54e896577be1f
Analyze and fix the following issue in the Linux kernel code: scripts/gdb: use mem instead of core_layout to get the module address
Problem Details: commit ac3b43283923 ("module: replace module_layout with module_memory") changed the struct module data structure from module_layout to module_memory. The core_layout member which is used while loading modules are not available anymore leading to the following error while running gdb: (gdb) lx-symbols...
```diff diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in index 2efbec6b6b8d..8085d3693a05 100644 --- a/scripts/gdb/linux/constants.py.in +++ b/scripts/gdb/linux/constants.py.in @@ -54,6 +54,9 @@ LX_VALUE(SB_NODIRATIME) /* linux/htimer.h */ LX_GDBPARSED(hrtimer_resolution) +/* linux...
e3184de9d46c2eebdb776face2e2662c6733331d
Analyze and fix the following issue in the Linux kernel code: fs: fix sysctls.c built
Problem Details: 'obj-$(CONFIG_SYSCTL) += sysctls.o' must be moved after "obj-y :=", or it won't be built as it is overwrited. Note that there is nothing that is going to break by linking sysctl.o later, we were just being way to cautious and patches have been updated to reflect these considerations and sent for stabl...
```diff diff --git a/fs/Makefile b/fs/Makefile index 05f89b5c962f..8d4736fcc766 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -6,7 +6,6 @@ # Rewritten to use lists instead of if-statements. # -obj-$(CONFIG_SYSCTL) += sysctls.o obj-y := open.o read_write.o file_table.o super.o \ char_dev.o stat.o exec.o pipe...
b3f312c4815d7acf6c7f88f921544626c31bd24a
Analyze and fix the following issue in the Linux kernel code: mm: compaction: remove incorrect #ifdef checks
Problem Details: Without CONFIG_SYSCTL, the compiler warns about a few unused functions: mm/compaction.c:3076:12: error: 'proc_dointvec_minmax_warn_RT_change' defined but not used [-Werror=unused-function] mm/compaction.c:2780:12: error: 'sysctl_compaction_handler' defined but not used [-Werror=unused-function] mm/com...
```diff diff --git a/mm/compaction.c b/mm/compaction.c index f2ddfb1140e2..9ff71239b1fc 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -3080,7 +3080,6 @@ static int proc_dointvec_minmax_warn_RT_change(struct ctl_table *table, return ret; } -#ifdef CONFIG_SYSCTL static struct ctl_table vm_compaction[] = { ...
8cbc82f3ec0d58961cf9c1e5d99e56741f4bf134
Analyze and fix the following issue in the Linux kernel code: mm: memory-failure: Move memory failure sysctls to its own file
Problem Details: The sysctl_memory_failure_early_kill and memory_failure_recovery are only used in memory-failure.c, move them to its own file. Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> [mcgrof: fix by adding empty ctl entry, this caused a crash] Signed...
```diff diff --git a/include/linux/mm.h b/include/linux/mm.h index 1f79667824eb..98da268b834a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -3442,8 +3442,6 @@ int mf_dax_kill_procs(struct address_space *mapping, pgoff_t index, extern int memory_failure(unsigned long pfn, int flags); extern void memory_f...
ca14ccf310ee9d575c3bacbf1d61d9640d0025b6
Analyze and fix the following issue in the Linux kernel code: arm: simplify two-level sysctl registration for ctl_isa_vars
Problem Details: There is no need to declare two tables to just create directories, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/arch/arm/kernel/isa.c b/arch/arm/kernel/isa.c index d8a509c5d5bd..20218876bef2 100644 --- a/arch/arm/kernel/isa.c +++ b/arch/arm/kernel/isa.c @@ -40,27 +40,11 @@ static struct ctl_table ctl_isa_vars[4] = { static struct ctl_table_header *isa_sysctl_header; -static struct ctl_table ctl_isa[2] =...
03860ef038e6435c5ea2bda24dc5698e0da60ebc
Analyze and fix the following issue in the Linux kernel code: ia64: simplify one-level sysctl registration for kdump_ctl_table
Problem Details: There is no need to declare an extra tables to just create directory, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index 76730f34685c..88b3ce3e66cd 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -234,15 +234,6 @@ static struct ctl_table kdump_ctl_table[] = { }, { } }; - -static struct ctl_table sys_table[] = { - { - .procname = ...
3d51cd8ea3c832c50c22e46354ac89e0964ea2d8
Analyze and fix the following issue in the Linux kernel code: utsname: simplify one-level sysctl registration for uts_kern_table
Problem Details: There is no need to declare an extra tables to just create directory, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c index f50398cb790d..019e3a1566cf 100644 --- a/kernel/utsname_sysctl.c +++ b/kernel/utsname_sysctl.c @@ -123,15 +123,6 @@ static struct ctl_table uts_kern_table[] = { {} }; -static struct ctl_table uts_root_table[] = { - { - .procname = "kernel...
02148ff371b276d664780de6d1f52d52074c3e25
Analyze and fix the following issue in the Linux kernel code: ntfs: simplfy one-level sysctl registration for ntfs_sysctls
Problem Details: There is no need to declare an extra tables to just create directory, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/fs/ntfs/sysctl.c b/fs/ntfs/sysctl.c index a030d00af90c..174fe536a1c0 100644 --- a/fs/ntfs/sysctl.c +++ b/fs/ntfs/sysctl.c @@ -31,16 +31,6 @@ static struct ctl_table ntfs_sysctls[] = { {} }; -/* Define the parent directory /proc/sys/fs. */ -static struct ctl_table sysctls_root[] = { - { - .pro...
1119aaa823e6cc35f2e8c8793cfa58d923a15c1b
Analyze and fix the following issue in the Linux kernel code: coda: simplify one-level sysctl registration for coda_table
Problem Details: There is no need to declare an extra tables to just create directory, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Acked-by: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/fs/coda/sysctl.c b/fs/coda/sysctl.c index fda3b702b1c5..a247c14aaab7 100644 --- a/fs/coda/sysctl.c +++ b/fs/coda/sysctl.c @@ -39,19 +39,10 @@ static struct ctl_table coda_table[] = { {} }; -static struct ctl_table fs_table[] = { - { - .procname = "coda", - .mode = 0555, - .child = coda_ta...
3d379b8d0de0492e86b93a1b8cd07403825fe23d
Analyze and fix the following issue in the Linux kernel code: fs/cachefiles: simplify one-level sysctl registration for cachefiles_sysctls
Problem Details: There is no need to declare an extra tables to just create directory, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/fs/cachefiles/error_inject.c b/fs/cachefiles/error_inject.c index 58f8aec964e4..18de8a876b02 100644 --- a/fs/cachefiles/error_inject.c +++ b/fs/cachefiles/error_inject.c @@ -22,18 +22,9 @@ static struct ctl_table cachefiles_sysctls[] = { {} }; -static struct ctl_table cachefiles_sysctls_root[]...
f5d2b92c85d420d0020163b9ad153962d8f9fcc7
Analyze and fix the following issue in the Linux kernel code: xfs: simplify two-level sysctl registration for xfs_table
Problem Details: There is no need to declare two tables to just create directories, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/fs/xfs/xfs_sysctl.c b/fs/xfs/xfs_sysctl.c index 546a6cd96729..fade33735393 100644 --- a/fs/xfs/xfs_sysctl.c +++ b/fs/xfs/xfs_sysctl.c @@ -210,28 +210,10 @@ static struct ctl_table xfs_table[] = { {} }; -static struct ctl_table xfs_dir_table[] = { - { - .procname = "xfs", - .mode = 0555, - ...
a2189b77676b256b6606612fd68ed493f7080929
Analyze and fix the following issue in the Linux kernel code: nfs: simplify two-level sysctl registration for nfs_cb_sysctls
Problem Details: There is no need to declare two tables to just create directories, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/fs/nfs/sysctl.c b/fs/nfs/sysctl.c index 7aea195ddb35..f39e2089bc4c 100644 --- a/fs/nfs/sysctl.c +++ b/fs/nfs/sysctl.c @@ -32,27 +32,9 @@ static struct ctl_table nfs_cb_sysctls[] = { { } }; -static struct ctl_table nfs_cb_sysctl_dir[] = { - { - .procname = "nfs", - .mode = 0555, - .child = n...
d2235a705b48a1a86e2b8ea15091d83f7f80503c
Analyze and fix the following issue in the Linux kernel code: nfs: simplify two-level sysctl registration for nfs4_cb_sysctls
Problem Details: There is no need to declare two tables to just create directories, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/fs/nfs/nfs4sysctl.c b/fs/nfs/nfs4sysctl.c index c394e4447100..e776200e9a11 100644 --- a/fs/nfs/nfs4sysctl.c +++ b/fs/nfs/nfs4sysctl.c @@ -37,27 +37,10 @@ static struct ctl_table nfs4_cb_sysctls[] = { { } }; -static struct ctl_table nfs4_cb_sysctl_dir[] = { - { - .procname = "nfs", - .mode = ...
37b768ce3d23f79cef906aaf7427dd345b57f477
Analyze and fix the following issue in the Linux kernel code: lockd: simplify two-level sysctl registration for nlm_sysctls
Problem Details: There is no need to declare two tables to just create directories, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
```diff diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 9a47303b2cba..bb94949bc223 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -510,24 +510,6 @@ static struct ctl_table nlm_sysctls[] = { { } }; -static struct ctl_table nlm_sysctl_dir[] = { - { - .procname = "nfs", - .mode = 0555, - .child = nlm_sys...