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31094d3d2a5c67a9d47ea64eea38ba27335ff67f
Analyze and fix the following issue in the Linux kernel code: drm/bridge: tc358767: Fix order of register defines
Problem Details: 0x0510 is bigger than 0x50c, order them accordingly. No functional change intended. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Reviewed-by: Robert Foss <rfoss@kernel.org> Signed-off-by: Robert Foss <rfoss@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231212075...
```diff diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index b8b29b291b72..637d38ec7628 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -116,13 +116,6 @@ /* System */ #define TC_IDREG 0x0500 #define SYSSTAT 0x0508 -#define SYSCTRL 0x0...
0aa0e5289cfe984a8a9fdd79ccf46ccf080151f7
Analyze and fix the following issue in the Linux kernel code: ring-buffer: Have rb_time_cmpxchg() set the msb counter too
Problem Details: The rb_time_cmpxchg() on 32-bit architectures requires setting three 32-bit words to represent the 64-bit timestamp, with some salt for synchronization. Those are: msb, top, and bottom The issue is, the rb_time_cmpxchg() did not properly salt the msb portion, and the msb that was written was stale. L...
```diff diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index f22a849da179..f4679013289b 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -722,10 +722,12 @@ static bool rb_time_cmpxchg(rb_time_t *t, u64 expect, u64 set) cnt2 = cnt + 1; rb_time_split(val, &top, &bo...
dec890089bf79a4954b61482715ee2d084364856
Analyze and fix the following issue in the Linux kernel code: ring-buffer: Fix 32-bit rb_time_read() race with rb_time_cmpxchg()
Problem Details: The following race can cause rb_time_read() to observe a corrupted time stamp: rb_time_cmpxchg() [...] if (!rb_time_read_cmpxchg(&t->msb, msb, msb2)) return false; if (!rb_time_read_cmpxchg(&t->top, top, top2)) return false; <interrupted before updating ...
```diff diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index b8ab0557bd1b..f22a849da179 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -644,8 +644,8 @@ static inline bool __rb_time_read(rb_time_t *t, u64 *ret, unsigned long *cnt) *cnt = rb_time_cnt(top); - /* If ...
fff88fa0fbc7067ba46dde570912d63da42c59a9
Analyze and fix the following issue in the Linux kernel code: ring-buffer: Fix a race in rb_time_cmpxchg() for 32 bit archs
Problem Details: Mathieu Desnoyers pointed out an issue in the rb_time_cmpxchg() for 32 bit architectures. That is: static bool rb_time_cmpxchg(rb_time_t *t, u64 expect, u64 set) { unsigned long cnt, top, bottom, msb; unsigned long cnt2, top2, bottom2, msb2; u64 val; /* The cmpxchg always fails if it interrupte...
```diff diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index ad4af0cba159..b8ab0557bd1b 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -706,6 +706,9 @@ static bool rb_time_cmpxchg(rb_time_t *t, u64 expect, u64 set) unsigned long cnt2, top2, bottom2, msb2; u64 val; ...
fc663fa02532be3206e8f8c85725ab3d010305f9
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: mac: add suffix _ax to MAC functions
Problem Details: Many existing MAC access functions are used by WiFi 6 chips only, so add suffix _ax to be clearer. Some are common and can be used by WiFi 7, so export this kind of functions. This patch doesn't change logic at all. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kern...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index 62c4f407f76d..80ab5fdfdaa0 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -1172,7 +1172,7 @@ static void hfc_func_en_ax(struct rtw89_dev *rtwdev, bool e...
f0536b0d5fa87475a747afa79ffe913533a196a0
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: phy: print out RFK log with formatted string
Problem Details: With formatted string loaded from firmware file, we can use the formatted string ID and get corresponding string, and then use regular rtw89_debug() to show the message if debug mask of RFK is enabled. If the string ID doesn't present, fallback to print plain hexadecimal. Signed-off-by: Ping-Ke Shih ...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h index aa749732a9e2..bfe226fe3d07 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.h +++ b/drivers/net/wireless/realtek/rtw89/fw.h @@ -3733,6 +3733,11 @@ struct rtw89_c2h_rf_log_hdr { u8 content[]; } __packed; +...
7a9192eecf2704ac10d91ca677433148e1720291
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: load RFK log format string from firmware file
Problem Details: To debug RFK (RF calibration) in firmware, it sends log via firmware C2H events to driver with string format ID and four arguments. Load formatted string from firmware file, and the string ID can get back its string. Then, use regular print format to show the message. This firmware element layout look...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index e5dd51f79a6f..5c266f349d37 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -18,6 +18,7 @@ struct rtw89_mac_gen_def; struct rtw89_phy_gen_def; struc...
083e9f65bd215582bf8f6a920db729fadf16704f
Analyze and fix the following issue in the Linux kernel code: ring-buffer: Remove useless update to write_stamp in rb_try_to_discard()
Problem Details: When filtering is enabled, a temporary buffer is created to place the content of the trace event output so that the filter logic can decide from the trace event output if the trace event should be filtered out or not. If it is to be filtered out, the content in the temporary buffer is simply discarded,...
```diff diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 2668dde23343..ad4af0cba159 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2983,25 +2983,6 @@ static unsigned rb_calculate_event_length(unsigned length) return length; } -static u64 rb_time_delta(struct ...
dd939425707898da992e59ab0fcfae4652546910
Analyze and fix the following issue in the Linux kernel code: ring-buffer: Do not try to put back write_stamp
Problem Details: If an update to an event is interrupted by another event between the time the initial event allocated its buffer and where it wrote to the write_stamp, the code try to reset the write stamp back to the what it had just overwritten. It knows that it was overwritten via checking the before_stamp, and if ...
```diff diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 1d9caee7f542..2668dde23343 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -3612,14 +3612,14 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, } if (likely(tail == w)) { - u64 save_before; - ...
f32c80d34249e1cfb2e647ab3c8ef38a460c787f
Analyze and fix the following issue in the Linux kernel code: ASoC: tas2781: check the validity of prm_no/cfg_no
Problem Details: Add additional checks for program/config numbers to avoid loading from invalid addresses. If prm_no/cfg_no is negative, skip uploading program/config. The tas2781-hda driver caused a NULL pointer dereference after loading module, and before first runtime_suspend. the state was: tas_priv->cur_conf = ...
```diff diff --git a/sound/soc/codecs/tas2781-fmwlib.c b/sound/soc/codecs/tas2781-fmwlib.c index 4efe95b60aaa..5c09e441a936 100644 --- a/sound/soc/codecs/tas2781-fmwlib.c +++ b/sound/soc/codecs/tas2781-fmwlib.c @@ -2189,11 +2189,11 @@ int tasdevice_select_tuningprm_cfg(void *context, int prm_no, goto out; } - co...
f0dd488e11e71ac095df7638d892209c629d9af2
Analyze and fix the following issue in the Linux kernel code: wifi: mwifiex: configure BSSID consistently when starting AP
Problem Details: AP BSSID configuration is missing at AP start. Without this fix, FW returns STA interface MAC address after first init. When hostapd restarts, it gets MAC address from netdev before driver sets STA MAC to netdev again. Now MAC address between hostapd and net interface are different causes STA cannot ...
```diff diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 7a15ea8072e6..3604abcbcff9 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -2047,6 +2047,8 @@ static int mwifiex_cfg80211_sta...
43f012df3c1e979966524f79b5371fde6545488a
Analyze and fix the following issue in the Linux kernel code: tty: serial: 8250: Set RS422 interface by default to fix Moxa RS422/RS485 PCIe boards
Problem Details: MOXA PCIe RS422/RS485 boards will not function by default because of the initial default serial interface of all MOXA PCIe boards is set to RS232. This patch fixes the problem above by setting the initial default serial interface to RS422 for those MOXA RS422/RS485 PCIe boards. Signed-off-by: Crescen...
```diff diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 614be0f13a31..8ccf691935b7 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -19,6 +19,7 @@ #include <linux/serial_core.h> #include <linux/8250_pci.h> #include <linux/bitops.h>...
826bd77ae5e8fec91a5fddb189adbdbaef3050ef
Analyze and fix the following issue in the Linux kernel code: tty: serial: amba-pl011: fix miscellaneous checkpatch warnings
Problem Details: Fix the following messages from checkpatch: $ ./scripts/checkpatch.pl --strict --file \ drivers/tty/serial/amba-pl011.c ERROR: do not initialise statics to false WARNING: Possible unnecessary 'out of memory' message WARNING: Prefer 'unsigned int' to bare use of 'unsigned' ...
```diff diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index ad812cb2e0fd..e15bfac5352d 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -51,7 +51,7 @@ #define AMBA_ISR_PASS_LIMIT 256 #define UART_DR_ERROR (UART011_DR_OE | UART011_DR_BE | UART011...
28a7ec8c6679f594b4218090fe2932a647594fe2
Analyze and fix the following issue in the Linux kernel code: tty: serial: amba-pl011: fix formatting of conditions
Problem Details: Fix the following checkpatch warnings & checks: $ ./scripts/checkpatch.pl --strict --file \ drivers/tty/serial/amba-pl011.c CHECK: Unbalanced braces around else statement CHECK: Unnecessary parentheses around '[...]' CHECK: braces {} should be used on all arms of this statement ...
```diff diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 70996b939da0..ad812cb2e0fd 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -330,10 +330,11 @@ static int pl011_fifo_to_tty(struct uart_amba_port *uap) uap->port.icount.brk++; if (...
fd64ff0966d39422f547d7935b8988e962f9f91e
Analyze and fix the following issue in the Linux kernel code: tty: serial: amba-pl011: avoid quoted string split across lines
Problem Details: Remove all instances of quoted strings split across lines. Fix four checkpatch warnings: $ ./scripts/checkpatch.pl --strict --file \ drivers/tty/serial/amba-pl011.c WARNING: quoted string split across lines [...] Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-...
```diff diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 68d334df7091..70996b939da0 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -973,8 +973,8 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) /* Switch buffer & re-trigger DMA job ...
d93ebe0fcfbd29e2b93850b5f66f98b0d63cce9c
Analyze and fix the following issue in the Linux kernel code: tty: serial: amba-pl011: fix whitespace formatting
Problem Details: Follow recommandations from: $ ./scripts/checkpatch.pl --strict --file \ drivers/tty/serial/amba-pl011.c We fix 5 warnings and 48 checks, all related to whitespace. Culprits are: CHECK: Alignment should match open parenthesis CHECK: Blank lines aren't necessary after an open brace '{' CH...
```diff diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 5521e36147a0..5e7c8d74733e 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -50,7 +50,7 @@ #define AMBA_ISR_PASS_LIMIT 256 -#define UART_DR_ERROR (UART011_DR_OE|UART011_DR_BE|UART011_D...
1f78c56007ba61b7b8c3f7dbb6787b6af116d3f0
Analyze and fix the following issue in the Linux kernel code: tty: serial: amba: Use linux/{bits,bitfield}.h macros
Problem Details: The driver uses bit shifts and hexadecimal expressions to declare constants. Replace that with the BIT(), GENMASK() & FIELD_PREP_CONST() macros to clarify intent. include/linux/amba/serial.h gets included from arch/arm/include/debug/pl01x.S. Avoid includes and macro tricks for the four defines that ar...
```diff diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h index 27003ec52114..9120de05ead0 100644 --- a/include/linux/amba/serial.h +++ b/include/linux/amba/serial.h @@ -10,6 +10,11 @@ #ifndef ASM_ARM_HARDWARE_SERIAL_AMBA_H #define ASM_ARM_HARDWARE_SERIAL_AMBA_H +#ifndef __ASSEMBLY__ +#include ...
1c5d463c0770c6fa2037511a24fb17966fd07d97
Analyze and fix the following issue in the Linux kernel code: wifi: mwifiex: add extra delay for firmware ready
Problem Details: For SDIO IW416, due to a bug, FW may return ready before complete full initialization. Command timeout may occur at driver load after reboot. Workaround by adding 100ms delay at checking FW status. Signed-off-by: David Lin <yu-hao.lin@nxp.com> Cc: stable@vger.kernel.org Reviewed-by: Francesco Dolcini ...
```diff diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c index 6462a0ffe698..ef3e68d1059c 100644 --- a/drivers/net/wireless/marvell/mwifiex/sdio.c +++ b/drivers/net/wireless/marvell/mwifiex/sdio.c @@ -331,6 +331,7 @@ static const struct mwifiex_sdio_device mwifiex_s...
6b64f8e360c00f180cffa1806095cdd2abc55b16
Analyze and fix the following issue in the Linux kernel code: serial: ma35d1: Fix spelling mistake "ononsole" -> "console"
Problem Details: There is a spelling mistake in a pr_warn message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20231208102331.3267192-1-colin.i.king@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/tty/serial/ma35d1_serial.c b/drivers/tty/serial/ma35d1_serial.c index b4dcbd0c95bf..19f0a305cc43 100644 --- a/drivers/tty/serial/ma35d1_serial.c +++ b/drivers/tty/serial/ma35d1_serial.c @@ -558,7 +558,7 @@ static void ma35d1serial_console_write(struct console *co, const char *s, u32 co u3...
9915753037eba7135b209fef4f2afeca841af816
Analyze and fix the following issue in the Linux kernel code: serial: sc16is7xx: fix unconditional activation of THRI interrupt
Problem Details: Commit cc4c1d05eb10 ("sc16is7xx: Properly resume TX after stop") changed behavior to unconditionnaly set the THRI interrupt in sc16is7xx_tx_proc(). For example when sending a 65 bytes message, and assuming the Tx FIFO is initially empty, sc16is7xx_handle_tx() will write the first 64 bytes of the messa...
```diff diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 7e4b9b52841d..e40e4a99277e 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -687,6 +687,8 @@ static void sc16is7xx_handle_tx(struct uart_port *port) if (uart_circ_empty(xmit)) sc16is7xx_s...
dbf4ab821804df071c8b566d9813083125e6d97b
Analyze and fix the following issue in the Linux kernel code: serial: sc16is7xx: convert from _raw_ to _noinc_ regmap functions for FIFO
Problem Details: The SC16IS7XX IC supports a burst mode to access the FIFOs where the initial register address is sent ($00), followed by all the FIFO data without having to resend the register address each time. In this mode, the IC doesn't increment the register address for each R/W byte. The regmap_raw_read() and r...
```diff diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 0bda9b74d096..7e4b9b52841d 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -381,9 +381,7 @@ static void sc16is7xx_fifo_read(struct uart_port *port, unsigned int rxlen) struct sc16is7xx_port *...
4409df5866b7ff7686ba27e449ca97a92ee063c9
Analyze and fix the following issue in the Linux kernel code: serial: sc16is7xx: change EFR lock to operate on each channels
Problem Details: Now that the driver has been converted to use one regmap per port, change efr locking to operate on a channel basis instead of on the whole IC. Fixes: 3837a0379533 ("serial: sc16is7xx: improve regmap debugfs by using one regmap per port") Cc: <stable@vger.kernel.org> # 6.1.x: 3837a03 serial: sc16is7x...
```diff diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 0a7a9aa5c9fa..0bda9b74d096 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -323,6 +323,7 @@ struct sc16is7xx_one_config { struct sc16is7xx_one { struct uart_port port; struct regmap *re...
41a308cbedb2a68a6831f0f2e992e296c4b8aff0
Analyze and fix the following issue in the Linux kernel code: serial: sc16is7xx: remove unused line structure member
Problem Details: Now that the driver has been converted to use one regmap per port, the line structure member is no longer used, so remove it. Fixes: 3837a0379533 ("serial: sc16is7xx: improve regmap debugfs by using one regmap per port") Cc: <stable@vger.kernel.org> Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonof...
```diff diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index a4ad3ae8cae2..0a7a9aa5c9fa 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -322,7 +322,6 @@ struct sc16is7xx_one_config { struct sc16is7xx_one { struct uart_port port; - u8 line; str...
f6959c5217bd799bcb770b95d3c09b3244e175c6
Analyze and fix the following issue in the Linux kernel code: serial: sc16is7xx: remove global regmap from struct sc16is7xx_port
Problem Details: Remove global struct regmap so that it is more obvious that this regmap is to be used only in the probe function. Also add a comment to that effect in probe function. Fixes: 3837a0379533 ("serial: sc16is7xx: improve regmap debugfs by using one regmap per port") Cc: <stable@vger.kernel.org> Suggested...
```diff diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 8d1de4982b65..a4ad3ae8cae2 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -334,7 +334,6 @@ struct sc16is7xx_one { struct sc16is7xx_port { const struct sc16is7xx_devtype *devtype; - struct...
6bcab3c8acc88e265c570dea969fd04f137c8a4c
Analyze and fix the following issue in the Linux kernel code: serial: sc16is7xx: remove wasteful static buffer in sc16is7xx_regmap_name()
Problem Details: Using a static buffer inside sc16is7xx_regmap_name() was a convenient and simple way to set the regmap name without having to allocate and free a buffer each time it is called. The drawback is that the static buffer wastes memory for nothing once regmap is fully initialized. Remove static buffer and u...
```diff diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 9cb503169a48..8d1de4982b65 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1708,13 +1708,15 @@ static struct regmap_config regcfg = { .max_register = SC16IS7XX_EFCR_REG, }; -static const ...
9df1dd450689dccc19fa471b91c71fc977dab946
Analyze and fix the following issue in the Linux kernel code: dt-bindings: serial: imx: Properly describe the i.MX1 interrupts
Problem Details: i.MX1 has three UART interrupts instead of a single one like other i.MX devices. Take this into account for properly describing the i.MX1 UART interrupts. This fixes the following dt-schema warning: from schema $id: http://devicetree.org/schemas/serial/fsl-imx-uart.yaml#yaml# imx1-ads.dtb: serial@...
```diff diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml b/Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml index 83035553044a..9c6dc16f88a6 100644 --- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml @@ -9,10 ...
8a53e29fe05c56f643eaab285f224c09b9c3dd4c
Analyze and fix the following issue in the Linux kernel code: drm/imagination: Fix error path in pvr_vm_create_context
Problem Details: It is possible to double free the vm_ctx->mmu_ctx object in this function.     630 err_page_table_destroy: --> 631         pvr_mmu_context_destroy(vm_ctx->mmu_ctx); The pvr_vm_context_put() function does:         kref_put(&vm_ctx->ref_count, pvr_vm_context_release); Here the pvr_vm_context_release(...
```diff diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c index 598d79d7c7d0..e59517ba039e 100644 --- a/drivers/gpu/drm/imagination/pvr_vm.c +++ b/drivers/gpu/drm/imagination/pvr_vm.c @@ -556,23 +556,12 @@ pvr_vm_create_context(struct pvr_device *pvr_dev, bool is_userspace_context...
f175498378bdae2ebcf61170a2a866cb96e8a69a
Analyze and fix the following issue in the Linux kernel code: drm/imagination: Fix ERR_PTR test on pointer to pointer.
Problem Details: drivers/gpu/drm/imagination/pvr_vm.c:631 pvr_vm_create_context() error: 'vm_ctx->mmu_ctx' dereferencing possible ERR_PTR() 612 vm_ctx->mmu_ctx = pvr_mmu_context_create(pvr_dev); 613 err = PTR_ERR_OR_ZERO(&vm_ctx->mmu_ctx); ^ The address is never ...
```diff diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c index 82690cee978c..598d79d7c7d0 100644 --- a/drivers/gpu/drm/imagination/pvr_vm.c +++ b/drivers/gpu/drm/imagination/pvr_vm.c @@ -568,7 +568,7 @@ pvr_vm_create_context(struct pvr_device *pvr_dev, bool is_userspace_context) ...
b39610c773431ac7991cf6235e26d693ccabd9e9
Analyze and fix the following issue in the Linux kernel code: drm/imagination: Fixed infinite loop in pvr_vm_mips_map()
Problem Details: Unwinding loop in error path for this function uses unsigned limit variable, causing the promotion of the signed counter variable. --> 204 for (; pfn >= start_pfn; pfn--) ^^^^^^^^^^^^^^^^ If start_pfn can be zero then this is an endless loop. I've seen this code in othe...
```diff diff --git a/drivers/gpu/drm/imagination/pvr_vm_mips.c b/drivers/gpu/drm/imagination/pvr_vm_mips.c index 2bc7181a4c3e..b7fef3c797e6 100644 --- a/drivers/gpu/drm/imagination/pvr_vm_mips.c +++ b/drivers/gpu/drm/imagination/pvr_vm_mips.c @@ -152,8 +152,8 @@ pvr_vm_mips_map(struct pvr_device *pvr_dev, struct pvr_fw...
7fbcd195e2b8cc952e4aeaeb50867b798040314c
Analyze and fix the following issue in the Linux kernel code: usb: fotg210-hcd: delete an incorrect bounds test
Problem Details: Here "temp" is the number of characters that we have written and "size" is the size of the buffer. The intent was clearly to say that if we have written to the end of the buffer then stop. However, for that to work the comparison should have been done on the original "size" value instead of the "size...
```diff diff --git a/drivers/usb/fotg210/fotg210-hcd.c b/drivers/usb/fotg210/fotg210-hcd.c index 929106c16b29..7bf810a0c98a 100644 --- a/drivers/usb/fotg210/fotg210-hcd.c +++ b/drivers/usb/fotg210/fotg210-hcd.c @@ -428,8 +428,6 @@ static void qh_lines(struct fotg210_hcd *fotg210, struct fotg210_qh *qh, temp = size;...
772685c14743ad565bb271041ad3c262298cd6fc
Analyze and fix the following issue in the Linux kernel code: usb-storage: Add quirk for incorrect WP on Kingston DT Ultimate 3.0 G3
Problem Details: This flash drive reports write protect during the first mode sense. In the past this was not an issue as the kernel called revalidate twice, thus asking the device for its write protect status twice, with write protect being disabled in the second mode sense. However, since commit 1e029397d12f ("scsi...
```diff diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 20dcbccb290b..fd68204374f2 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1305,6 +1305,17 @@ UNUSUAL_DEV( 0x090c, 0x6000, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NUL...
c994cb596bf7ef5928f06331c76f46e071b16f09
Analyze and fix the following issue in the Linux kernel code: usb: typec: ucsi: fix gpio-based orientation detection
Problem Details: Fix the recently added connector sanity check which was off by one and prevented orientation notifications from being handled correctly for the second port when using GPIOs to determine orientation. Fixes: c6165ed2f425 ("usb: ucsi: glink: use the connector orientation GPIO to provide switch events") C...
```diff diff --git a/drivers/usb/typec/ucsi/ucsi_glink.c b/drivers/usb/typec/ucsi/ucsi_glink.c index db6e248f8208..4853141cd10c 100644 --- a/drivers/usb/typec/ucsi/ucsi_glink.c +++ b/drivers/usb/typec/ucsi/ucsi_glink.c @@ -228,7 +228,7 @@ static void pmic_glink_ucsi_notify(struct work_struct *work) con_num = UCSI_C...
aef05e349bfd81c95adb4489639413fadbb74a83
Analyze and fix the following issue in the Linux kernel code: net: usb: ax88179_178a: avoid failed operations when device is disconnected
Problem Details: When the device is disconnected we get the following messages showing failed operations: Nov 28 20:22:11 localhost kernel: usb 2-3: USB disconnect, device number 2 Nov 28 20:22:11 localhost kernel: ax88179_178a 2-3:1.0 enp2s0u3: unregister 'ax88179_178a' usb-0000:02:00.0-3, ASIX AX88179 USB 3.0 Gigabit...
```diff diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 4ea0e155bb0d..5a1bf42ce156 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -173,6 +173,7 @@ struct ax88179_data { u8 in_pm; u32 wol_supported; u32 wolopts; + u8 disconnecting; }; stru...
61fbf20312bdd1394a9cac67ed8f706e205511af
Analyze and fix the following issue in the Linux kernel code: usb: gadget: f_fs: fix fortify warning
Problem Details: When compiling with gcc version 14.0.0 20231206 (experimental) and CONFIG_FORTIFY_SOURCE=y, I've noticed the following warning: ... In function 'fortify_memcpy_chk', inlined from '__ffs_func_bind_do_os_desc' at drivers/usb/gadget/function/f_fs.c:2934:3: ./include/linux/fortify-string.h:588:25: war...
```diff diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index efe3e3b85769..dafedc33928d 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -2931,9 +2931,8 @@ static int __ffs_func_bind_do_os_desc(enum ffs_os_desc_type type, t = &func->f...
44995e6f07028f798efd0c3c11a1efc78330f600
Analyze and fix the following issue in the Linux kernel code: usb: core: Fix crash w/ usb_choose_configuration() if no driver
Problem Details: It's possible that usb_choose_configuration() can get called when a USB device has no driver. In this case the recent commit a87b8e3be926 ("usb: core: Allow subclassed USB drivers to override usb_choose_configuration()") can cause a crash since it dereferenced the driver structure without checking for ...
```diff diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index dcb897158228..b134bff5c3fe 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -59,7 +59,16 @@ int usb_choose_configuration(struct usb_device *udev) int num_configs; int insufficient_power = 0; struct usb_ho...
70e6163d17dd501ef27680eeb80d78b2cf823c5e
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: qrb5165-rb5: use u16 for DP altmode svid
Problem Details: Follow the bindings and use 16-bit value for AltMode SVID instead of using the full u32. Fixes: b3dea914127e ("arm64: dts: qcom: qrb5165-rb5: enable DP altmode") Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kerne...
```diff diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts index c8cd40a462a3..88b37ceb13ed 100644 --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts @@ -1425,7 +1425,7 @@ altmodes { displayport { - svid = <0xff01>; + ...
2ddc97a71a27b6f940f1ed0f1e70a4e8e62b77e5
Analyze and fix the following issue in the Linux kernel code: dt-bindings: usb: nxp,ptn5110: Fix typos in the title
Problem Details: Fix the misspelled "Controller" and "Type-C" words. Signed-off-by: Fabio Estevam <festevam@denx.de> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20231207172912.2658226-1-festevam@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml b/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml index 28eb25ecba74..eaedb4cc6b6c 100644 --- a/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml +++ b/Documentation/devicetree/bindings/usb/nxp,ptn5110.yaml @@ -4,7 +4,7 @@ $id: htt...
ecb43ef59498628a9df79afb47e67dadf777e3cd
Analyze and fix the following issue in the Linux kernel code: dt-bindings: usb: genesys,gl850g: Document 'peer-hub'
Problem Details: The 'peer-hub' is a valid property for the hub. Document it to fix the following dt-schema warning: imx8mp-debix-som-a-bmb-08.dtb: hub@1: 'peer-hub' does not match any of the regexes: 'pinctrl-[0-9]+' from schema $id: http://devicetree.org/schemas/usb/genesys,gl850g.yaml# Signed-off-by: Fabio Estev...
```diff diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml index ee08b9c3721f..37cf5249e526 100644 --- a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml +++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml @@ -29,6 +29,...
66aad7d8d3ec5a3a8ec2023841bcec2ded5f65c9
Analyze and fix the following issue in the Linux kernel code: usb: cdc-acm: return correct error code on unsupported break
Problem Details: In ACM support for sending breaks to devices is optional. If a device says that it doenot support sending breaks, the host must respect that. Given the number of optional features providing tty operations for each combination is not practical and errors need to be returned dynamically if unsupported fe...
```diff diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 06414e43e0b5..96617f9af819 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2489,6 +2489,9 @@ static int send_break(struct tty_struct *tty, unsigned int duration) if (!retval) { msleep_interruptible(duration); retval = tty->o...
b059aef76c519226730dd18777c0e15dad4fae21
Analyze and fix the following issue in the Linux kernel code: netlink: specs: mptcp: rename the MPTCP path management spec
Problem Details: We assume in handful of places that the name of the spec is the same as the name of the family. We could fix that but it seems like a fair assumption to make. Rename the MPTCP spec instead. Reviewed-by: Mat Martineau <martineau@kernel.org> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Signed-of...
```diff diff --git a/Documentation/netlink/specs/mptcp.yaml b/Documentation/netlink/specs/mptcp_pm.yaml similarity index 100% rename from Documentation/netlink/specs/mptcp.yaml rename to Documentation/netlink/specs/mptcp_pm.yaml diff --git a/MAINTAINERS b/MAINTAINERS index daf440129535..dda78b4ce707 100644 --- a/MAINTA...
1e37bf84afacd5ba17b7a13a18ca2bc78aff05c0
Analyze and fix the following issue in the Linux kernel code: nvmem: brcm_nvram: store a copy of NVRAM content
Problem Details: This driver uses MMIO access for reading NVRAM from a flash device. Underneath there is a flash controller that reads data and provides mapping window. Using MMIO interface affects controller configuration and may break real controller driver. It was reported by multiple users of devices with NVRAM st...
```diff diff --git a/drivers/nvmem/brcm_nvram.c b/drivers/nvmem/brcm_nvram.c index 9737104f3b76..5cdf339cfbec 100644 --- a/drivers/nvmem/brcm_nvram.c +++ b/drivers/nvmem/brcm_nvram.c @@ -17,9 +17,23 @@ #define NVRAM_MAGIC "FLSH" +/** + * struct brcm_nvram - driver state internal struct + * + * @dev: NVMEM devic...
a2a8aefecbd0f87d6127951cef33b3def8439057
Analyze and fix the following issue in the Linux kernel code: dt-bindings: nvmem: mxs-ocotp: Document fsl,ocotp
Problem Details: Both imx23.dtsi and imx28.dtsi describe the OCOTP nodes in the format: compatible = "fsl,imx28-ocotp", "fsl,ocotp"; Document the "fsl,ocotp" entry to fix the following schema warning: efuse@8002c000: compatible: ['fsl,imx23-ocotp', 'fsl,ocotp'] is too long from schema $id: http://devicetree.org/sche...
```diff diff --git a/Documentation/devicetree/bindings/nvmem/mxs-ocotp.yaml b/Documentation/devicetree/bindings/nvmem/mxs-ocotp.yaml index f43186f98607..d9287be89877 100644 --- a/Documentation/devicetree/bindings/nvmem/mxs-ocotp.yaml +++ b/Documentation/devicetree/bindings/nvmem/mxs-ocotp.yaml @@ -15,9 +15,11 @@ allOf:...
9483aa44912f26da2b69dade6099c2bf4b50a8c3
Analyze and fix the following issue in the Linux kernel code: EDAC/versal: Read num_csrows and num_chans using the correct bitfield macro
Problem Details: Fix the extraction of num_csrows and num_chans. The extraction of the num_rows is wrong. Instead of extracting using the FIELD_GET it is calling FIELD_PREP. The issue was masked as the default design has the rows as 0. Fixes: 6f15b178cd63 ("EDAC/versal: Add a Xilinx Versal memory controller driver") ...
```diff diff --git a/drivers/edac/versal_edac.c b/drivers/edac/versal_edac.c index 87e730dfefa0..8625de20fc71 100644 --- a/drivers/edac/versal_edac.c +++ b/drivers/edac/versal_edac.c @@ -966,10 +966,10 @@ static int mc_probe(struct platform_device *pdev) edac_mc_id = emif_get_id(pdev->dev.of_node); regval = readl...
64b8bc7d5f1434c636a40bdcfcd42b278d1714be
Analyze and fix the following issue in the Linux kernel code: net/rose: fix races in rose_kill_by_device()
Problem Details: syzbot found an interesting netdev refcounting issue in net/rose/af_rose.c, thanks to CONFIG_NET_DEV_REFCNT_TRACKER=y [1] Problem is that rose_kill_by_device() can change rose->device while other threads do not expect the pointer to be changed. We have to first collect sockets in a temporary array, t...
```diff diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index ecb91ad4ce63..ef81d019b20f 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -182,21 +182,47 @@ void rose_kill_by_neigh(struct rose_neigh *neigh) */ static void rose_kill_by_device(struct net_device *dev) { - struct sock *s; + struct sock ...
71cd7e80cfde548959952eac7063aeaea1f2e1c6
Analyze and fix the following issue in the Linux kernel code: PM: hibernate: Enforce ordering during image compression/decompression
Problem Details: An S4 (suspend to disk) test on the LoongArch 3A6000 platform sometimes fails with the following error messaged in the dmesg log: Invalid LZO compressed length That happens because when compressing/decompressing the image, the synchronization between the control thread and the compress/decompress/cr...
```diff diff --git a/kernel/power/swap.c b/kernel/power/swap.c index 68973ca2cf07..975e7195573b 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -606,11 +606,11 @@ static int crc32_threadfn(void *data) unsigned i; while (1) { - wait_event(d->go, atomic_read(&d->ready) || + wait_event(d->go, atomic_...
7e2c1e4b34f07d9aa8937fab88359d4a0fce468e
Analyze and fix the following issue in the Linux kernel code: perf: Fix perf_event_validate_size() lockdep splat
Problem Details: When lockdep is enabled, the for_each_sibling_event(sibling, event) macro checks that event->ctx->mutex is held. When creating a new group leader event, we call perf_event_validate_size() on a partially initialized event where event->ctx is NULL, and so when for_each_sibling_event() attempts to check e...
```diff diff --git a/kernel/events/core.c b/kernel/events/core.c index c9d123e13b57..9efd0d7775e7 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1947,6 +1947,16 @@ static bool perf_event_validate_size(struct perf_event *event) group_leader->nr_siblings + 1) > 16*1024) return false; + /* +...
b07bc2347672cc8c7293c64499f1488278c5ca3d
Analyze and fix the following issue in the Linux kernel code: dma-mapping: clear dev->dma_mem to NULL after freeing it
Problem Details: Reproduced with below sequence: dma_declare_coherent_memory()->dma_release_coherent_memory() ->dma_declare_coherent_memory()->"return -EBUSY" error It will return -EBUSY from the dma_assign_coherent_memory() in dma_declare_coherent_memory(), the reason is that dev->dma_mem pointer has not been set to ...
```diff diff --git a/kernel/dma/coherent.c b/kernel/dma/coherent.c index c21abc77c53e..ff5683a57f77 100644 --- a/kernel/dma/coherent.c +++ b/kernel/dma/coherent.c @@ -132,8 +132,10 @@ int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, void dma_release_coherent_memory(struct device *dev) { - ...
fc82a08ae795ee6b73fb6b50785f7be248bec7b5
Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: Fix mv88e6352_serdes_get_stats error path
Problem Details: mv88e6xxx_get_stats, which collects stats from various sources, expects all callees to return the number of stats read. If an error occurs, 0 should be returned. Prevent future mishaps of this kind by updating the return type to reflect this contract. Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp...
```diff diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index c3c53ef543e5..85eb293381a7 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -613,8 +613,8 @@ struct mv88e6xxx_ops { int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port);...
327ec5f70609cf00c6f961073c01857555c6a8eb
Analyze and fix the following issue in the Linux kernel code: PCI: epf-mhi: Fix the DMA data direction of dma_unmap_single()
Problem Details: In the error path of pci_epf_mhi_edma_write() function, the DMA data direction passed (DMA_FROM_DEVICE) doesn't match the actual direction used for the data transfer. Fix it by passing the correct one (DMA_TO_DEVICE). Fixes: 7b99aaaddabb ("PCI: epf-mhi: Add eDMA support") Reviewed-by: Krzysztof Wilczy...
```diff diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c index 472bc489b754..d3d6a1054036 100644 --- a/drivers/pci/endpoint/functions/pci-epf-mhi.c +++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c @@ -424,7 +424,7 @@ static int pci_epf_mhi_edma_write(struct mhi_...
309fdb1c33fe726d92d0030481346f24e1b01f07
Analyze and fix the following issue in the Linux kernel code: ethernet: atheros: fix a memleak in atl1e_setup_ring_resources
Problem Details: In the error handling of 'offset > adapter->ring_size', the tx_ring->tx_buffer allocated by kzalloc should be freed, instead of 'goto failed' instantly. Fixes: a6a5325239c2 ("atl1e: Atheros L1E Gigabit Ethernet driver") Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn> Reviewed-by: Suman Ghosh <sumang@m...
```diff diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 5935be190b9e..5f2a6fcba967 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -866,10 +866,13 @@ static int atl1e_setup_ring_res...
19391a2ca98baa7b80279306cdf7dd43f81fa595
Analyze and fix the following issue in the Linux kernel code: net: sched: ife: fix potential use-after-free
Problem Details: ife_decode() calls pskb_may_pull() two times, we need to reload ifehdr after the second one, or risk use-after-free as reported by syzbot: BUG: KASAN: slab-use-after-free in __ife_tlv_meta_valid net/ife/ife.c:108 [inline] BUG: KASAN: slab-use-after-free in ife_tlv_meta_decode+0x1d1/0x210 net/ife/ife.c...
```diff diff --git a/net/ife/ife.c b/net/ife/ife.c index 13bbf8cb6a39..be05b690b9ef 100644 --- a/net/ife/ife.c +++ b/net/ife/ife.c @@ -82,6 +82,7 @@ void *ife_decode(struct sk_buff *skb, u16 *metalen) if (unlikely(!pskb_may_pull(skb, total_pull))) return NULL; + ifehdr = (struct ifeheadr *)(skb->data + skb->dev-...
cac23b7d7627915d967ce25436d7aae26e88ed06
Analyze and fix the following issue in the Linux kernel code: net: Return error from sk_stream_wait_connect() if sk_wait_event() fails
Problem Details: The following NULL pointer dereference issue occurred: BUG: kernel NULL pointer dereference, address: 0000000000000000 <...> RIP: 0010:ccid_hc_tx_send_packet net/dccp/ccid.h:166 [inline] RIP: 0010:dccp_write_xmit+0x49/0x140 net/dccp/output.c:356 <...> Call Trace: <TASK> dccp_sendmsg+0x642/0x7e0 net/...
```diff diff --git a/net/core/stream.c b/net/core/stream.c index 96fbcb9bbb30..b16dfa568a2d 100644 --- a/net/core/stream.c +++ b/net/core/stream.c @@ -79,7 +79,7 @@ int sk_stream_wait_connect(struct sock *sk, long *timeo_p) remove_wait_queue(sk_sleep(sk), &wait); sk->sk_write_pending--; } while (!done); - retur...
0fe1798968115488c0c02f4633032a015b1faf97
Analyze and fix the following issue in the Linux kernel code: virtio/vsock: send credit update during setting SO_RCVLOWAT
Problem Details: Send credit update message when SO_RCVLOWAT is updated and it is bigger than number of bytes in rx queue. It is needed, because 'poll()' will wait until number of bytes in rx queue will be not smaller than O_RCVLOWAT, so kick sender to send more data. Otherwise mutual hungup for tx/rx is possible: send...
```diff diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index f75731396b7e..ec20ecff85c7 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -449,6 +449,7 @@ static struct virtio_transport vhost_transport = { .notify_send_pre_enqueue = virtio_transport_notify_send_pre_enqueue, .notify_se...
93b80887668226180ea5f5349cc728ca6dc700ab
Analyze and fix the following issue in the Linux kernel code: virtio/vsock: fix logic which reduces credit update messages
Problem Details: Add one more condition for sending credit update during dequeue from stream socket: when number of bytes in the rx queue is smaller than SO_RCVLOWAT value of the socket. This is actual for non-default value of SO_RCVLOWAT (e.g. not 1) - idea is to "kick" peer to continue data transmission, because we n...
```diff diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 6df246b53260..b35306dfcebe 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -557,6 +557,8 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk, stru...
d17bb4620f90f81d8a8a45c3d025c679a1b5efcd
Analyze and fix the following issue in the Linux kernel code: overlayfs.rst: fix ReST formatting
Problem Details: Fix some indentation issues and fix missing newlines in quoted text by converting quoted text to code blocks. Reported-by: Christian Brauner <brauner@kernel.org> Suggested-by: Bagas Sanjaya <bagasdotme@gmail.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Reviewed-by: Akira Yokosawa <akiyks@gma...
```diff diff --git a/Documentation/filesystems/overlayfs.rst b/Documentation/filesystems/overlayfs.rst index 926396fdc5eb..1c244866041a 100644 --- a/Documentation/filesystems/overlayfs.rst +++ b/Documentation/filesystems/overlayfs.rst @@ -118,7 +118,7 @@ Where both upper and lower objects are directories, a merged dire...
8c97ab5448f2096daba11edf8d18a44e1eb6f31d
Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: Fix graceful exit during PFC configuration failure
Problem Details: During PFC configuration failure the code was not handling a graceful exit. This patch fixes the same and add proper code for a graceful exit. Fixes: 99c969a83d82 ("octeontx2-pf: Add egress PFC support") Signed-off-by: Suman Ghosh <sumang@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.ne...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c index bfddbff7bcdf..28fb643d2917 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c @@ -399,9 +399,10 @@ ...
bb7403655b3c3eb245d0ee330047cd3e20b3c4af
Analyze and fix the following issue in the Linux kernel code: ipmr: support IP_PKTINFO on cache report IGMP msg
Problem Details: In order to support IP_PKTINFO on those packets, we need to call ipv4_pktinfo_prepare. When sending mrouted/pimd daemons a cache report IGMP msg, it is unnecessary to set dst on the newly created skb. It used to be necessary on older versions until commit d826eb14ecef ("ipv4: PKTINFO doesnt need dst r...
```diff diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 9e222a57bc2b..0063a237253b 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1025,6 +1025,10 @@ static int ipmr_cache_report(const struct mr_table *mrt, struct sk_buff *skb; int ret; + mroute_sk = rcu_dereference(mrt->mroute_sk); + if (!mroute_sk) ...
10b7572d17871b027de1d17152f08a2dc9c3aef6
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Fix multicast/mirror group lock/unlock issue
Problem Details: As per the existing implementation, there exists a race between finding a multicast/mirror group entry and deleting that entry. The group lock was taken and released independently by rvu_nix_mcast_find_grp_elem() function. Which is incorrect and group lock should be taken during the entire operation of...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index b01503acd520..72e0a7717c3e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -6142,14 +6142,12 @@ static struct...
738b54b9b6236f573eed2453c4cbfa77326793e2
Analyze and fix the following issue in the Linux kernel code: net: libwx: fix memory leak on free page
Problem Details: ifconfig ethx up, will set page->refcount larger than 1, and then ifconfig ethx down, calling __page_frag_cache_drain() to free pages, it is not compatible with page pool. So deleting codes which changing page->refcount. Fixes: 3c47e8ae113a ("net: libwx: Support to receive packets in NAPI") Signed-off...
```diff diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c index a5a50b5a8816..347d3cec02a3 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c @@ -160,60 +160,6 @@ static __le32 wx_test_staterr(union wx_rx_desc *...
c480a421a4faf693c38e60b0fe6e554c9a3fee02
Analyze and fix the following issue in the Linux kernel code: crypto: octeontx2 - Fix cptvf driver cleanup
Problem Details: This patch fixes following cleanup issues: - Missing instruction queue free on cleanup. This will lead to memory leak. - lfs->lfs_num is set to zero before cleanup, which will lead to improper cleanup. Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com> Signed-off-by: Herbert Xu <herbert@gon...
```diff diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptlf.c b/drivers/crypto/marvell/octeontx2/otx2_cptlf.c index 6edd27ff8c4e..e4bd3f030cec 100644 --- a/drivers/crypto/marvell/octeontx2/otx2_cptlf.c +++ b/drivers/crypto/marvell/octeontx2/otx2_cptlf.c @@ -419,8 +419,8 @@ int otx2_cptlf_init(struct otx2_cptlfs_in...
93382a91632a5d88bb9bb0ff1fea872fe87f5dc2
Analyze and fix the following issue in the Linux kernel code: crypto: iaa - Add IAA Compression Accelerator stats
Problem Details: Add support for optional debugfs statistics support for the IAA Compression Accelerator. This is enabled by the kernel config item: CRYPTO_DEV_IAA_CRYPTO_STATS When enabled, the IAA crypto driver will generate statistics which can be accessed at /sys/kernel/debug/iaa-crypto/. See Documentation/dr...
```diff diff --git a/drivers/crypto/intel/iaa/Kconfig b/drivers/crypto/intel/iaa/Kconfig index fcccb6ff7e29..d53f4b1d494f 100644 --- a/drivers/crypto/intel/iaa/Kconfig +++ b/drivers/crypto/intel/iaa/Kconfig @@ -8,3 +8,12 @@ config CRYPTO_DEV_IAA_CRYPTO decompression with the Intel Analytics Accelerator (IAA) ha...
8517c34e87025b3f74f3c07813d493828f369598
Analyze and fix the following issue in the Linux kernel code: crypto: starfive - Fix dev_err_probe return error
Problem Details: Current dev_err_probe will return 0 instead of proper error code if driver failed to get irq number. Fix the return code. Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/drivers/crypto/starfive/jh7110-cryp.c b/drivers/crypto/starfive/jh7110-cryp.c index 31803e9cacba..425fddf3a8ab 100644 --- a/drivers/crypto/starfive/jh7110-cryp.c +++ b/drivers/crypto/starfive/jh7110-cryp.c @@ -160,7 +160,7 @@ static int starfive_cryp_probe(struct platform_device *pdev) ret = devm...
4c660ffef34b7d645ae3144369bc50257f295212
Analyze and fix the following issue in the Linux kernel code: ACPI: utils: Fix white space in struct acpi_handle_list definition
Problem Details: Fix inadvertently introduced white space damage in the struct acpi_handle_list definition. No functional impact. Fixes: 2e57d10a6591 ("ACPI: utils: Dynamically determine acpi_handle_list size") Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
```diff diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index fbe60af56b34..3dcf07b41428 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -14,7 +14,7 @@ struct acpi_handle_list { u32 count; - acpi_handle* handles; + acpi_handle *handles; }; /* acpi_utils.h */ ```
9991a82a38174672273df44a3cc6c87ef74b18e9
Analyze and fix the following issue in the Linux kernel code: iommu/sva: Fix memory leak in iommu_sva_bind_device()
Problem Details: Free the handle when the domain allocation fails before unlocking and returning. Fixes: 092edaddb660 ("iommu: Support mm PASID 1:n with sva domains") Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/2...
```diff diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c index 5175e8d85247..c3fc9201d0be 100644 --- a/drivers/iommu/iommu-sva.c +++ b/drivers/iommu/iommu-sva.c @@ -101,7 +101,7 @@ struct iommu_sva *iommu_sva_bind_device(struct device *dev, struct mm_struct *mm domain = iommu_sva_domain_alloc(dev, m...
a63c357b9fd56ad5fe64616f5b22835252c6a76a
Analyze and fix the following issue in the Linux kernel code: iommu/dma: Trace bounce buffer usage when mapping buffers
Problem Details: When commit 82612d66d51d ("iommu: Allow the dma-iommu api to use bounce buffers") was introduced, it did not add the logic for tracing the bounce buffer usage from iommu_dma_map_page(). All of the users of swiotlb_tbl_map_single() trace their bounce buffer usage, except iommu_dma_map_page(). This make...
```diff diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 85163a83df2f..037fcf826407 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -29,6 +29,7 @@ #include <linux/spinlock.h> #include <linux/swiotlb.h> #include <linux/vmalloc.h> +#include <trace/events/swiotlb.h> ...
59a9ccf19ee03179faf047822bbec76cac7467a4
Analyze and fix the following issue in the Linux kernel code: platform/chrome: cros_ec_vbc: Fix -Warray-bounds warnings
Problem Details: GCC-13 (and Clang) does not like having a partially allocated object, since it cannot reason about it for bounds checking. Notice that the compiler is legitimately complaining about accessing an object (params, in this case) for which not enough memory was allocated. The object is of size 20 bytes: ...
```diff diff --git a/drivers/platform/chrome/cros_ec_vbc.c b/drivers/platform/chrome/cros_ec_vbc.c index 2e4af10c7679..274ea0c64b33 100644 --- a/drivers/platform/chrome/cros_ec_vbc.c +++ b/drivers/platform/chrome/cros_ec_vbc.c @@ -20,10 +20,14 @@ static ssize_t vboot_context_read(struct file *filp, struct kobject *kobj...
937d02cc79c6828fef28a4d80d8d0ad2f7bf2b62
Analyze and fix the following issue in the Linux kernel code: drm/i915/mtl: Fix HDMI/DP PLL clock selection
Problem Details: Select the HDMI specific PLL clock only for HDMI outputs. Fixes: 62618c7f117e ("drm/i915/mtl: C20 PLL programming") Cc: Mika Kahola <mika.kahola@intel.com> Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com> Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com> Signed-off-by: Imre D...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 4e6ea71ff629..884a1da36089 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2468,7 +2468,8 @@ static void intel_program_port_clock_ctl(st...
ec1de5c214eb5a892fdb7c450748249d5e2840f5
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: select program 0, conf 0 by default
Problem Details: Currently, cur_prog/cur_conf remains at the default value (-1), while program 0 has been loaded into the amplifiers. In the playback hook, tasdevice_tuning_switch tries to restore the cur_prog/cur_conf. In the runtime_resume/system_resume, tasdevice_prmg_load tries to load the cur_prog as well. Set c...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 63a90c7e8976..2fb1a7037c82 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -543,6 +543,10 @@ static void tasdev_fw_ready(const struct firmware *fmw, void *context) tas_priv->fw_state = ...
ef3d5cf9c59cccb012aa6b93d99f4c6eb5d6648e
Analyze and fix the following issue in the Linux kernel code: cxl/pmu: Ensure put_device on pmu devices
Problem Details: The following kmemleaks were detected when removing the cxl module stack: unreferenced object 0xffff88822616b800 (size 1024): ... backtrace: [<00000000bedc6f83>] kmalloc_trace+0x26/0x90 [<00000000448d1afc>] devm_cxl_pmu_add+0x3a/0x110 [cxl_core] [<00000000ca3bfe16>] 0xffffffffa105213b ...
```diff diff --git a/drivers/cxl/core/pmu.c b/drivers/cxl/core/pmu.c index 7684c843e5a5..5d8e06b0ba6e 100644 --- a/drivers/cxl/core/pmu.c +++ b/drivers/cxl/core/pmu.c @@ -23,7 +23,7 @@ const struct device_type cxl_pmu_type = { static void remove_dev(void *dev) { - device_del(dev); + device_unregister(dev); } in...
7ba84cbf18c7a53107c64880d9c90f18fa68b481
Analyze and fix the following issue in the Linux kernel code: drm/nouveau/kms/nv50-: Don't allow inheritance of headless iors
Problem Details: Turns out we made a silly mistake when coming up with OR inheritance on nouveau. On pre-DCB 4.1, iors are statically routed to output paths via the DCB. On later generations iors are only routed to an output path if they're actually being used. Unfortunately, it appears with NVIF_OUTP_INHERIT_V0 we mak...
```diff diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c index e4279f1772a1..377d0e0cef84 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c @@ -385,7 +385,7 @@ nvkm_uoutp_mthd_inherit(struc...
46dec61643d7047c9b5929f98a2b7fa4fa93a7dc
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: Fixup gk20a instobj hierarchy
Problem Details: Commit 12c9b05da918 ("drm/nouveau/imem: support allocations not preserved across suspend") uses container_of() to cast from struct nvkm_memory to struct nvkm_instobj, assuming that all instance objects are derived from struct nvkm_instobj. For the gk20a family that's not the case and they are derived f...
```diff diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c index 1b811d6972a1..201022ae9214 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c @@ -49,14 +49,14 @@ #include <subdev...
0573676fdde7ce3829ee6a42a8e5a56355234712
Analyze and fix the following issue in the Linux kernel code: xfs: initialise di_crc in xfs_log_dinode
Problem Details: Alexander Potapenko report that KMSAN was issuing these warnings: kmalloc-ed xlog buffer of size 512 : ffff88802fc26200 kmalloc-ed xlog buffer of size 368 : ffff88802fc24a00 kmalloc-ed xlog buffer of size 648 : ffff88802b631000 kmalloc-ed xlog buffer of size 648 : ffff88802b632800 kmalloc-ed xlog buff...
```diff diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index cd7803fda8b1..b35335e20342 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -557,6 +557,9 @@ xfs_inode_to_log_dinode( memset(to->di_pad2, 0, sizeof(to->di_pad2)); uuid_copy(&to->di_uuid, &ip->i_mount->m_sb.sb_meta_uu...
c0e37f07d2bd3c1ee3fb5a650da7d8673557ed16
Analyze and fix the following issue in the Linux kernel code: xfs: fix an off-by-one error in xreap_agextent_binval
Problem Details: Overall, this function tries to find and invalidate all buffers for a given extent of space on the data device. The inner for loop in this function tries to find all xfs_bufs for a given daddr. The lengths of all possible cached buffers range from 1 fsblock to the largest needed to contain a 64k xatt...
```diff diff --git a/fs/xfs/scrub/reap.c b/fs/xfs/scrub/reap.c index ee26fcb500b7..300f49e8e14a 100644 --- a/fs/xfs/scrub/reap.c +++ b/fs/xfs/scrub/reap.c @@ -248,7 +248,7 @@ xreap_agextent_binval( max_fsbs = min_t(xfs_agblock_t, agbno_next - bno, xfs_attr3_rmt_blocks(mp, XFS_XATTR_SIZE_MAX)); - for (fsbcoun...
84712492e6dab803bf595fb8494d11098b74a652
Analyze and fix the following issue in the Linux kernel code: xfs: short circuit xfs_growfs_data_private() if delta is zero
Problem Details: Although xfs_growfs_data() doesn't call xfs_growfs_data_private() if in->newblocks == mp->m_sb.sb_dblocks, xfs_growfs_data_private() further massages the new block count so that we don't i.e. try to create a too-small new AG. This may lead to a delta of "0" in xfs_growfs_data_private(), so we end up i...
```diff diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 4f5da19142f2..5e7255e6ad3e 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -134,6 +134,10 @@ xfs_growfs_data_private( if (delta < 0 && nagcount < 2) return -EINVAL; + /* No work to do */ + if (delta == 0) + return 0; + oagcount = m...
5ae89fe43a4e889249fa700d0da5aa5d3e64e972
Analyze and fix the following issue in the Linux kernel code: selftests/net: convert fib_nexthop_multiprefix to run it in unique namespace
Problem Details: Here is the test result after conversion. ]# ./fib_nexthop_multiprefix.sh TEST: IPv4: host 0 to host 1, mtu 1300 [ OK ] TEST: IPv6: host 0 to host 1, mtu 1300 [ OK ] TEST: IPv4: host 0 to host 2, mtu 1350 [ OK ...
```diff diff --git a/tools/testing/selftests/net/fib_nexthop_multiprefix.sh b/tools/testing/selftests/net/fib_nexthop_multiprefix.sh index b52d59547fc5..e85248609af4 100755 --- a/tools/testing/selftests/net/fib_nexthop_multiprefix.sh +++ b/tools/testing/selftests/net/fib_nexthop_multiprefix.sh @@ -12,6 +12,7 @@ # # r...
a33e9da3470499e9ff476138f271fb52d6bfe767
Analyze and fix the following issue in the Linux kernel code: selftests/net: fix grep checking for fib_nexthop_multiprefix
Problem Details: When running fib_nexthop_multiprefix test I saw all IPv6 test failed. e.g. ]# ./fib_nexthop_multiprefix.sh TEST: IPv4: host 0 to host 1, mtu 1300 [ OK ] TEST: IPv6: host 0 to host 1, mtu 1300 [FAIL] With -v it shows COMMAND: ip netns exe...
```diff diff --git a/tools/testing/selftests/net/fib_nexthop_multiprefix.sh b/tools/testing/selftests/net/fib_nexthop_multiprefix.sh index 51df5e305855..b52d59547fc5 100755 --- a/tools/testing/selftests/net/fib_nexthop_multiprefix.sh +++ b/tools/testing/selftests/net/fib_nexthop_multiprefix.sh @@ -209,12 +209,12 @@ val...
fcb29877f7e18a1f27d7d6871f5f7bb6aaade575
Analyze and fix the following issue in the Linux kernel code: page_pool: fix typos and punctuation
Problem Details: Correct spelling (s/and/any) and a run-on sentence. Spell out "multi". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Jesper Dangaard Brouer <hawk@kernel.org> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Link: https://lore.kernel.org/r/20231213043650.12672-1-rdunlap@infradea...
```diff diff --git a/include/net/page_pool/helpers.h b/include/net/page_pool/helpers.h index 841e0a930bd7..ead2c0d24b2c 100644 --- a/include/net/page_pool/helpers.h +++ b/include/net/page_pool/helpers.h @@ -11,7 +11,7 @@ * The page_pool allocator is optimized for recycling page or page fragment used * by skb packet...
bf873a800ac3234eba991603a450eaa517d27022
Analyze and fix the following issue in the Linux kernel code: net: skbuff: fix spelling errors
Problem Details: Correct spelling as reported by codespell. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20231213043511.10357-1-rdunlap@infradead.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
```diff diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index b370eb8d70f7..7ce38874dbd1 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1069,7 +1069,7 @@ struct sk_buff { refcount_t users; #ifdef CONFIG_SKB_EXTENSIONS - /* only useable after checking ->active_extensions != 0 */ ...
70f010da00f90415296f93fb47a561977eae41cb
Analyze and fix the following issue in the Linux kernel code: net: mscc: ocelot: fix pMAC TX RMON stats for bucket 256-511 and above
Problem Details: The typo from ocelot_port_rmon_stats_cb() was also carried over to ocelot_port_pmac_rmon_stats_cb() as well, leading to incorrect TX RMON stats for the pMAC too. Fixes: ab3f97a9610a ("net: mscc: ocelot: export ethtool MAC Merge stats for Felix VSC9959") Signed-off-by: Vladimir Oltean <vladimir.oltean@...
```diff diff --git a/drivers/net/ethernet/mscc/ocelot_stats.c b/drivers/net/ethernet/mscc/ocelot_stats.c index f29fa37263da..c018783757fb 100644 --- a/drivers/net/ethernet/mscc/ocelot_stats.c +++ b/drivers/net/ethernet/mscc/ocelot_stats.c @@ -610,10 +610,10 @@ static void ocelot_port_pmac_rmon_stats_cb(struct ocelot *o...
52eda4641d041667fa059f4855c5f88dcebd8afe
Analyze and fix the following issue in the Linux kernel code: net: mscc: ocelot: fix eMAC TX RMON stats for bucket 256-511 and above
Problem Details: There is a typo in the driver due to which we report incorrect TX RMON counters for the 256-511 octet bucket and all the other buckets larger than that. Bug found with the selftest at https://patchwork.kernel.org/project/netdevbpf/patch/20231211223346.2497157-9-tobias@waldekranz.com/ Fixes: e32036e1a...
```diff diff --git a/drivers/net/ethernet/mscc/ocelot_stats.c b/drivers/net/ethernet/mscc/ocelot_stats.c index 5c55197c7327..f29fa37263da 100644 --- a/drivers/net/ethernet/mscc/ocelot_stats.c +++ b/drivers/net/ethernet/mscc/ocelot_stats.c @@ -582,10 +582,10 @@ static void ocelot_port_rmon_stats_cb(struct ocelot *ocelot...
139c163b5b0b7095bf88415da030795c403baa33
Analyze and fix the following issue in the Linux kernel code: tools: ynl-gen: use enum user type for members and args
Problem Details: Commit 30c902001534 ("tools: ynl-gen: use enum name from the spec") added pre-cooked user type for enums. Use it to fix ignoring enum-name provided in the spec. This changes a type in struct ethtool_tunnel_udp_entry but is generally inconsequential for current families. Reviewed-by: Donald Hunter <do...
```diff diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py index 9484882dbc2e..ab009d0f9db5 100755 --- a/tools/net/ynl/ynl-gen-c.py +++ b/tools/net/ynl/ynl-gen-c.py @@ -333,9 +333,8 @@ class TypeScalar(Type): else: self.is_bitfield = False - maybe_enum = not self.is_bitf...
c5707b2146d229691e193d5158ea70b21b8ba180
Analyze and fix the following issue in the Linux kernel code: bpf: support symbolic BPF FS delegation mount options
Problem Details: Besides already supported special "any" value and hex bit mask, support string-based parsing of delegation masks based on exact enumerator names. Utilize BTF information of `enum bpf_cmd`, `enum bpf_map_type`, `enum bpf_prog_type`, and `enum bpf_attach_type` types to find supported symbolic names (igno...
```diff diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index 0a8e1188ea46..4383b3d13a55 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -595,6 +595,136 @@ struct bpf_prog *bpf_prog_get_type_path(const char *name, enum bpf_prog_type typ } EXPORT_SYMBOL(bpf_prog_get_type_path); +struct bpffs_btf_enu...
02b4e126e6a5f5552da2ccec47a028984d2d9654
Analyze and fix the following issue in the Linux kernel code: bpf: selftests: test_tunnel: Use vmlinux.h declarations
Problem Details: vmlinux.h declarations are more ergnomic, especially when working with kfuncs. The uapi headers are often incomplete for kfunc definitions. This commit also switches bitfield accesses to use CO-RE helpers. Switching to vmlinux.h definitions makes the verifier very unhappy with raw bitfield accesses. T...
```diff diff --git a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h index 0b793a102791..1bdc680b0e0e 100644 --- a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h +++ b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h @@ -26,6 +26,7 @@ #define IPV6_AUTOF...
59e5791f59dd83e8aa72a4e74217eabb6e8cfd90
Analyze and fix the following issue in the Linux kernel code: bpf: Fix a race condition between btf_put() and map_free()
Problem Details: When running `./test_progs -j` in my local vm with latest kernel, I once hit a kasan error like below: [ 1887.184724] BUG: KASAN: slab-use-after-free in bpf_rb_root_free+0x1f8/0x2b0 [ 1887.185599] Read of size 4 at addr ffff888106806910 by task kworker/u12:2/2830 [ 1887.186498] [ 1887.186712] ...
```diff diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 3fcf7741146a..8faa1a20edf8 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -692,6 +692,7 @@ static void bpf_map_free_deferred(struct work_struct *work) { struct bpf_map *map = container_of(work, struct bpf_map, work); struct btf...
1ba0e9d69b2000e95267c888cbfa91d823388d47
Analyze and fix the following issue in the Linux kernel code: io_uring/cmd: fix breakage in SOCKET_URING_OP_SIOC* implementation
Problem Details: In 8e9fad0e70b7 "io_uring: Add io_uring command support for sockets" you've got an include of asm-generic/ioctls.h done in io_uring/uring_cmd.c. That had been done for the sake of this chunk - + ret = prot->ioctl(sk, SIOCINQ, &arg); + if (ret) + return ...
```diff diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index acbc2924ecd2..7d3ef62e620a 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -7,7 +7,7 @@ #include <linux/nospec.h> #include <uapi/linux/io_uring.h> -#include <uapi/asm-generic/ioctls.h> +#include <asm/ioctls.h> #include "io_uri...
a9a36e4b4adf63e3a2ea9eed730de50d9b28302e
Analyze and fix the following issue in the Linux kernel code: interconnect: qcom: sm6115: Fix up includes
Problem Details: Remove some unnecessary includes and get rid of the abusive of_platform in favor of the correct headers. Reported-by: Rob Herring <robh+dt@kernel.org> Reported-by: Georgi Djakov <djakov@kernel.org> Fixes: 2eab57b131bd ("interconnect: qcom: Add SM6115 interconnect provider driver") Signed-off-by: Konra...
```diff diff --git a/drivers/interconnect/qcom/sm6115.c b/drivers/interconnect/qcom/sm6115.c index c49a83c87739..88b67634aa2f 100644 --- a/drivers/interconnect/qcom/sm6115.c +++ b/drivers/interconnect/qcom/sm6115.c @@ -6,16 +6,12 @@ */ #include <dt-bindings/interconnect/qcom,sm6115.h> -#include <linux/clk.h> #inc...
4fb54994b2360ab5029ee3a959161f6fe6bbb349
Analyze and fix the following issue in the Linux kernel code: perf unwind-libunwind: Fix base address for .eh_frame
Problem Details: The base address of a DSO mapping should start at the start of the file. Usually DSOs are mapped from the pgoff 0 so it doesn't matter when it uses the start of the map address. But generated DSOs for JIT codes doesn't start from the 0 so it should subtract the offset to calculate the .eh_frame table ...
```diff diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index c0641882fd2f..5e5c3395a499 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -327,7 +327,7 @@ static int read_unwind_spec_eh_frame(struct dso *dso, struct ...
c966d23a351a33f8a977fd7efbb6f467132f7383
Analyze and fix the following issue in the Linux kernel code: perf unwind-libdw: Handle JIT-generated DSOs properly
Problem Details: Usually DSOs are mapped from the beginning of the file, so the base address of the DSO can be calculated by map->start - map->pgoff. However, JIT DSOs which are generated by `perf inject -j`, are mapped only the code segment. This makes unwind-libdw code confusing and rejects processing unwinds in th...
```diff diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index 8554db3fc0d7..6013335a8dae 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -46,6 +46,7 @@ static int __report_module(struct addr_location *al, u64 ip, { Dwfl_Module *mod; struct dso *dso =...
83e1bdc94f32dcf52dfcd2025acc7a2b9376b1e8
Analyze and fix the following issue in the Linux kernel code: x86/virt/tdx: Make TDX host depend on X86_MCE
Problem Details: A build failure was reported that when INTEL_TDX_HOST is enabled but X86_MCE is not, the tdx_dump_mce_info() function fails to link: ld: vmlinux.o: in function `tdx_dump_mce_info': ...: undefined reference to `mce_is_memory_error' ...: undefined reference to `mce_usable_address' The reason is i...
```diff diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 01cdb16acff6..92c03cb99b3e 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1974,6 +1974,7 @@ config INTEL_TDX_HOST select ARCH_KEEP_MEMBLOCK depends on CONTIG_ALLOC depends on !KEXEC_CORE + depends on X86_MCE help Intel Trust Domain Ext...
1af478903fc48c1409a8dd6b698383b62387adf1
Analyze and fix the following issue in the Linux kernel code: perf genelf: Set ELF program header addresses properly
Problem Details: The text section starts after the ELF headers so PHDR.p_vaddr and others should have the correct addresses. Fixes: babd04386b1df8c3 ("perf jit: Include program header in ELF files") Reviewed-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian...
```diff diff --git a/tools/perf/util/genelf.c b/tools/perf/util/genelf.c index fefc72066c4e..ac17a3cb59dc 100644 --- a/tools/perf/util/genelf.c +++ b/tools/perf/util/genelf.c @@ -293,9 +293,9 @@ jit_write_elf(int fd, uint64_t load_addr, const char *sym, */ phdr = elf_newphdr(e, 1); phdr[0].p_type = PT_LOAD; - ph...
c6ef0a2265c518aa6699b64d10a7e5a9049ac96a
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix documentation for dm_crtc_additional_color_mgmt()
Problem Details: warning: expecting prototype for drm_crtc_additional_color_mgmt(). Prototype was for dm_crtc_additional_color_mgmt() instead Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312141801.o9eBCxt9-lkp@intel.com/ Signed-off-by: Melissa Wen <mwen@igalia.com> Si...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c index 9224e2d7f32b..7545a184e43a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c @@ -299,7 +299,7 @@ stati...
8b881b5d6fe9ebb7736097f37103c9b07ea45642
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix documentation for amdgpu_dm_verify_lut3d_size()
Problem Details: It takes the plane state rather than the crtc state. Fixes: aba8b76baabd ("drm/amd/display: add plane shaper LUT support") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reviewed-by: Melissa Wen <mwen@igalia.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Melissa Wen <mwen@igali...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c index 96aecc1a71a3..c6ed0d854b01 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c @@ -796,7 +796,7 @@ s...
a6582701178a47c4d0cb2188c965c59c0c0647c8
Analyze and fix the following issue in the Linux kernel code: drm/amd/pm: fix a double-free in amdgpu_parse_extended_power_table
Problem Details: The amdgpu_free_extended_power_table is called in every error-handling paths of amdgpu_parse_extended_power_table. However, after the following call chain of returning: amdgpu_parse_extended_power_table |-> kv_dpm_init / si_dpm_init (the only two caller of amdgpu_parse_extended_power_table) ...
```diff diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c index 81fb4e5dd804..60377747bab4 100644 --- a/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c @@ -272,10 +272,8 @@ int amdgpu_parse_extended_power_tabl...
c2709b2d6a537ca0fa0f1da36fdaf07e48ef447d
Analyze and fix the following issue in the Linux kernel code: gpu/drm/radeon: fix two memleaks in radeon_vm_init
Problem Details: When radeon_bo_create and radeon_vm_clear_bo fail, the vm->page_tables allocated before need to be freed. However, neither radeon_vm_init itself nor its caller have done such deallocation. Fixes: 6d2f2944e95e ("drm/radeon: use normal BOs for the page tables v4") Signed-off-by: Zhipeng Lu <alexious@zju...
```diff diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 987cabbf1318..c38b4d5d6a14 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -1204,13 +1204,17 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm) r = radeon...
28dd788382c43b330480f57cd34cde0840896743
Analyze and fix the following issue in the Linux kernel code: drivers/amd/pm: fix a use-after-free in kv_parse_power_table
Problem Details: When ps allocated by kzalloc equals to NULL, kv_parse_power_table frees adev->pm.dpm.ps that allocated before. However, after the control flow goes through the following call chains: kv_parse_power_table |-> kv_dpm_init |-> kv_dpm_sw_init |-> kv_dpm_fini The adev->pm.dpm.ps is used i...
```diff diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c index 5d28c951a319..5cb4725c773f 100644 --- a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c @@ -2735,10 +2735,8 @@ static int kv_parse_power_table(struct amdgpu_devi...
ac16667237a82e2597e329eb9bc520d1cf9dff30
Analyze and fix the following issue in the Linux kernel code: drm/amd/pm: fix a double-free in si_dpm_init
Problem Details: When the allocation of adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries fails, amdgpu_free_extended_power_table is called to free some fields of adev. However, when the control flow returns to si_dpm_sw_init, it goes to label dpm_failed and calls si_dpm_fini, which calls amdgpu_free_extended_p...
```diff diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c index fc8e4ac6c8e7..df4f20293c16 100644 --- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c @@ -7379,10 +7379,9 @@ static int si_dpm_init(struct amdgpu_device *adev)...
804c49ef30735d70c1df0c58ebec313149a3933c
Analyze and fix the following issue in the Linux kernel code: drm/amd/pm: Remove unneeded semicolon
Problem Details: ./drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c:1418:2-3: Unneeded semicolon Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7743 Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index d409857fd622..c16703868e5c 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1415,7 +1415,7 @@ static int smu_wbrf_event_handler(struct notifier_block...
afe58346d5d3887b3e49ff623d2f2e471f232a8d
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu/debugfs: fix error code when smc register accessors are NULL
Problem Details: Should be -EOPNOTSUPP. Fixes: 5104fdf50d32 ("drm/amdgpu: Fix a null pointer access when the smc_rreg pointer is NULL") Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 424bed738296..2cebf2145d9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -755,7 +755,7 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struc...
3dad69090743c5f4642aeb628b8542a1e335dded
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: add plane CTM support
Problem Details: Map the plane CTM driver-specific property to DC plane, instead of DC stream. The remaining steps to program DPP block are already implemented on DC shared-code. v3: - fix comment about plane and CRTC CTMs priorities (Harry) Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Melissa ...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 25ec9129758b..d7ac020bd8af 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9983,6 +9983,7 @@ static bool should_rese...
94aeb4117343d072e3a35b9595bcbfc0058ee724
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix ftrace event amdgpu_bo_move always move on same heap
Problem Details: Issue: during evict or validate happened on amdgpu_bo, the 'from' and 'to' is always same in ftrace event of amdgpu_bo_move where calling the 'trace_amdgpu_bo_move', the comment says move_notify is called before move happens, but actually it is called after move happens, here the new_mem is same as bo...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 5ad03f2afdb4..425cebcc5cbf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1245,19 +1245,15 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, ...