id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
a73d4a055622d0973e371382b16a13f9795ffec7 | Analyze and fix the following issue in the Linux kernel code: drivers/xen/xenbus: Replace deprecated strcpy in xenbus_transaction_end | Problem Details:
strcpy() is deprecated; inline the read-only string instead. Fix the
function comment and use bool instead of int while we're at it.
Link: https://github.com/KSPP/linux/issues/88
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Juergen ... | ```diff
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 7c6c12925326..bddc714877c1 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -546,18 +546,12 @@ int xenbus_transaction_start(struct xenbus_transaction *t)
EXPORT_SYMBOL_GPL(xenbus_transaction_st... |
479d186fc946b16c440f57995d5cb2151bfe61c0 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in xdomain.c | Problem Details:
Fix typos in xdomain.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
index 9d220ba544ec..63c7be818b2c 100644
--- a/drivers/thunderbolt/xdomain.c
+++ b/drivers/thunderbolt/xdomain.c
@@ -1951,8 +1951,8 @@ static void tb_xdomain_link_exit(struct tb_xdomain *xd)
/**
* tb_xdomain_alloc() - Allocate new XDom... |
9527d0c5436c02905cb1befe74ff764f6b4ea5b8 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in usb4.c | Problem Details:
Fix typos in usb4.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c
index 76f01713a875..9e810b2ae0b5 100644
--- a/drivers/thunderbolt/usb4.c
+++ b/drivers/thunderbolt/usb4.c
@@ -284,7 +284,7 @@ int usb4_switch_setup(struct tb_switch *sw)
val |= ROUTER_CS_5_PTO;
/*
* xHCI can be enabled if PCIe tunnel... |
c3d53000d2a59c0922615aa10e97161a28a094f2 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in tunnel.c | Problem Details:
Fix typos in tunnel.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c
index bfa0607b5574..9fa95c595ecc 100644
--- a/drivers/thunderbolt/tunnel.c
+++ b/drivers/thunderbolt/tunnel.c
@@ -301,7 +301,7 @@ static int tb_pci_set_ext_encapsulation(struct tb_tunnel *tunnel, bool enable)
struct tb_port *port = tb_up... |
5d463af9818cd4d6206abac59ba32bcd42bf5d7c | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in tmu.c | Problem Details:
Fix typos in tmu.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/tmu.c b/drivers/thunderbolt/tmu.c
index b22831b41ec0..cf779874c675 100644
--- a/drivers/thunderbolt/tmu.c
+++ b/drivers/thunderbolt/tmu.c
@@ -400,10 +400,10 @@ static int tmu_mode_init(struct tb_switch *sw)
/**
* tb_switch_tmu_init() - Initialize switch TMU structures
- * @... |
836fe732db6068e6d3909c32bfebcf7572a2bbc6 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in tb_regs.h | Problem Details:
Fix typos in tb_regs.h. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h
index 4e43b47f9f11..c0bf136236e6 100644
--- a/drivers/thunderbolt/tb_regs.h
+++ b/drivers/thunderbolt/tb_regs.h
@@ -99,7 +99,7 @@ struct tb_cap_extended_long {
} __packed;
/**
- * struct tb_cap_any - Structure capable of hold every c... |
20b2af31286b265a2b8cc4bfa237bae3658e0127 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in tb.h | Problem Details:
Fix typos in tb.h. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 8e2762ff8d51..e96474f17067 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -308,7 +308,7 @@ struct tb_port {
* struct usb4_port - USB4 port device
* @dev: Device for the port
* @port: Pointer to the lane 0 adapt... |
6cdbf50107cc4697eb65152b3832c0fce12a79e6 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in tb.c | Problem Details:
Fix typos in tb.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 7a3f76a852de..4f5f1dfc0fbf 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -322,7 +322,7 @@ static int tb_enable_tmu(struct tb_switch *sw)
/*
* If both routers at the end of the link are v2 we simply
- * enabl... |
cafe5dd8bba426b92f233678f166b2295679a4d4 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in switch.c | Problem Details:
Fix typos in switch.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 0e07904aa73b..b3948aad0b95 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -736,9 +736,9 @@ static int tb_init_port(struct tb_port *port)
port->cap_usb4 = cap;
/*
- * USB4 ports the buffers ... |
6c1e5744e68935047bfe3bb1dc5d41619eb4feda | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in retimer.c | Problem Details:
Fix typos in retimer.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c
index 3a0f486a24d5..13d64dbd2bc5 100644
--- a/drivers/thunderbolt/retimer.c
+++ b/drivers/thunderbolt/retimer.c
@@ -501,7 +501,7 @@ static struct tb_retimer *tb_port_find_retimer(struct tb_port *port, u8 index)
* @add: If true also reg... |
1c9ad530d36c2890dabb66c81b77e067f2c6100b | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in nhi.c | Problem Details:
Fix typos in nhi.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index 5f63f9b9cf40..ac3b83a05dbc 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -712,7 +712,7 @@ void tb_ring_start(struct tb_ring *ring)
ring_iowrite64desc(ring, ring->descriptors_dma, 0);
if (ring->is_tx) {
ri... |
0370b14fd55cb9590d76cdea20a6ce0e45d6d3c3 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in lc.c | Problem Details:
Fix typos in lc.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/lc.c b/drivers/thunderbolt/lc.c
index 0891d51ac2e9..4449c28cc5f1 100644
--- a/drivers/thunderbolt/lc.c
+++ b/drivers/thunderbolt/lc.c
@@ -558,7 +558,7 @@ static int tb_lc_dp_sink_available(struct tb_switch *sw, int sink)
return ret;
/*
- * Sink is available for CM/SW to ... |
91c7b372a31751a2cc79cc13fe67b7942b4156ef | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in icm.c | Problem Details:
Fix typos in icm.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index 66092febb40d..d339ba835376 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -787,7 +787,7 @@ icm_fr_device_connected(struct tb *tb, const struct icm_pkg_header *hdr)
* information might have changed for example... |
d3726d4e5bd70e2c159ecb9feb43d3eaa6d76020 | Analyze and fix the following issue in the Linux kernel code: perf parse-events: Add debug logging to perf_event | Problem Details:
If verbose is enabled and parse_event is called, typically by tests,
log failures.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org> | ```diff
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 0c0dc20b1c13..e522082c5a21 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2236,6 +2236,8 @@ int parse_event(struct evlist *evlist, const char *str)
parse_events_error__init(&err);
ret =... |
4994e9a711a9de736c0d898e86e5b10b860d7e4f | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in domain.c | Problem Details:
Fix typos in domain.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index 83defc915d33..3ced37b4a869 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -376,7 +376,7 @@ struct tb *tb_domain_alloc(struct tb_nhi *nhi, int timeout_msec, size_t privsize
struct tb *tb;
/*
- *... |
b719f112d250d56b5b019c8414393d7e068efbb6 | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in debugfs.c | Problem Details:
Fix typos in debugfs.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c
index 46a2a3550be7..45266ec72f88 100644
--- a/drivers/thunderbolt/debugfs.c
+++ b/drivers/thunderbolt/debugfs.c
@@ -201,7 +201,7 @@ static bool parse_line(char **line, u32 *offs, u32 *val, int short_fmt_len,
#if IS_ENABLED(CONFIG_USB4_D... |
d0d7c4062d321bd8cf187db6d9b0d4eb8b0650ef | Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix typos in ctl.c | Problem Details:
Fix typos in ctl.c. No functional changes.
Signed-off-by: Alan Borzeszkowski <alan.borzeszkowski@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> | ```diff
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index f92175ee3841..d7a535671404 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -412,7 +412,7 @@ static void tb_ctl_rx_submit(struct ctl_pkg *pkg)
* We ignore failures during stop.
* All rx packet... |
38367a22abba12b9ecd66536ff62274f0afbcf6f | Analyze and fix the following issue in the Linux kernel code: perf sample: Fix the wrong format specifier | Problem Details:
In the file tools/perf/util/cs-etm.c, queue_nr is of type unsigned
int and should be printed with %u.
Signed-off-by: liujing <liujing@cmss.chinamobile.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org> | ```diff
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index 62812bef1edf..25d56e0f1c07 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -777,7 +777,7 @@ static void cs_etm__packet_dump(const char *pkt_string, void *data)
char queue_nr[64];
if (verbose)
- snprintf(queue_n... |
bd4b5902e7b647f0dbea1b9426d664ae00186159 | Analyze and fix the following issue in the Linux kernel code: docs: zh_CN: scsi: fix broken references in scsi-parameters.rst | Problem Details:
0day CI reported several broken references under
Documentation/translations/zh_CN/scsi/scsi-parameters.rst.
These files do not exist under the translations directory.
The correct references are the original English documents under
Documentation/scsi/.
This patch updates all broken paths accordingly.
... | ```diff
diff --git a/Documentation/translations/zh_CN/scsi/scsi-parameters.rst b/Documentation/translations/zh_CN/scsi/scsi-parameters.rst
index 53cdc3094a9a..ace777e070ea 100644
--- a/Documentation/translations/zh_CN/scsi/scsi-parameters.rst
+++ b/Documentation/translations/zh_CN/scsi/scsi-parameters.rst
@@ -31,16 +31... |
7d808bf13943f4c6a6142400bffe14267f6dc997 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/sysfs-kunit: handle alloc failures on damon_sysfs_test_add_targets() | Problem Details:
damon_sysfs_test_add_targets() is assuming all dynamic memory allocation
in it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately c... | ```diff
diff --git a/mm/damon/tests/sysfs-kunit.h b/mm/damon/tests/sysfs-kunit.h
index 7b5c7b307da9..ce7218469f20 100644
--- a/mm/damon/tests/sysfs-kunit.h
+++ b/mm/damon/tests/sysfs-kunit.h
@@ -45,16 +45,41 @@ static void damon_sysfs_test_add_targets(struct kunit *test)
struct damon_ctx *ctx;
sysfs_targets = dam... |
0a63a0e7570b9b2631dfb8d836dc572709dce39e | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/vaddr-kunit: handle alloc failures on damon_test_split_evenly_succ() | Problem Details:
damon_test_split_evenly_succ() is assuming all dynamic memory allocation
in it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately c... | ```diff
diff --git a/mm/damon/tests/vaddr-kunit.h b/mm/damon/tests/vaddr-kunit.h
index 1b0f21c2e376..30dc5459f1d2 100644
--- a/mm/damon/tests/vaddr-kunit.h
+++ b/mm/damon/tests/vaddr-kunit.h
@@ -284,10 +284,17 @@ static void damon_test_split_evenly_succ(struct kunit *test,
unsigned long start, unsigned long end, unsi... |
7890e5b5bb6e386155c6e755fe70e0cdcc77f18e | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/vaddr-kunit: handle alloc failures in damon_test_split_evenly_fail() | Problem Details:
damon_test_split_evenly_fail() is assuming all dynamic memory allocation
in it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately c... | ```diff
diff --git a/mm/damon/tests/vaddr-kunit.h b/mm/damon/tests/vaddr-kunit.h
index 484223f19545..1b0f21c2e376 100644
--- a/mm/damon/tests/vaddr-kunit.h
+++ b/mm/damon/tests/vaddr-kunit.h
@@ -256,7 +256,16 @@ static void damon_test_split_evenly_fail(struct kunit *test,
unsigned long start, unsigned long end, unsi... |
2b22d0fcc6320ba29b2122434c1d2f0785fb0a25 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/vaddr-kunit: handle alloc failures on damon_do_test_apply_three_regions() | Problem Details:
damon_do_test_apply_three_regions() is assuming all dynamic memory
allocation in it will succeed. Those are indeed likely in the real use
cases since those allocations are too small to fail, but theoretically
those could fail. In the case, inappropriate memory access can happen.
Fix it by appropriat... | ```diff
diff --git a/mm/damon/tests/vaddr-kunit.h b/mm/damon/tests/vaddr-kunit.h
index fce38dd53cf8..484223f19545 100644
--- a/mm/damon/tests/vaddr-kunit.h
+++ b/mm/damon/tests/vaddr-kunit.h
@@ -136,8 +136,14 @@ static void damon_do_test_apply_three_regions(struct kunit *test,
int i;
t = damon_new_target();
+ if ... |
84be856cc87317bc60ff54bd7c8f8a5aa8f0e2c8 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures on damon_test_set_filters_default_reject() | Problem Details:
damon_test_set_filters_default_reject() is assuming all dynamic memory
allocation in it will succeed. Those are indeed likely in the real use
cases since those allocations are too small to fail, but theoretically
those could fail. In the case, inappropriate memory access can happen.
Fix it by approp... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index a03ae9ddd88a..a91d798caa70 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -659,6 +659,8 @@ static void damon_test_set_filters_default_reject(struct kunit *test)
KUNIT_EXPECT_EQ(test, scheme.ops_filters_... |
d14d5671e7c9cc788c5a1edfa94e6f9064275905 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures on damos_test_filter_out() | Problem Details:
damon_test_filter_out() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup ... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 5af8275ffd7d..a03ae9ddd88a 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -542,11 +542,22 @@ static void damos_test_filter_out(struct kunit *test)
struct damos_filter *f;
f = damos_new_filter(DAMOS_... |
3e5c4a1a1737bd79abaaa184233d0f815e62273b | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failure on damos_test_commit_filter() | Problem Details:
damon_test_commit_filter() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
clean... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 03c7ac31db5c..5af8275ffd7d 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -516,11 +516,16 @@ static void damos_test_new_filter(struct kunit *test)
static void damos_test_commit_filter(struct kunit *tes... |
28ab2265e9422ccd81e4beafc0ace90f78de04c4 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failres in damon_test_new_filter() | Problem Details:
damon_test_new_filter() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup ... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index b9bd69a57e62..03c7ac31db5c 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -505,6 +505,8 @@ static void damos_test_new_filter(struct kunit *test)
struct damos_filter *filter;
filter = damos_new_filte... |
915a2453d824a9b6bf724e3f970d86ae1d092a61 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failure on damon_test_set_attrs() | Problem Details:
damon_test_set_attrs() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup p... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 10c9953581ee..b9bd69a57e62 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -465,6 +465,9 @@ static void damon_test_set_attrs(struct kunit *test)
.sample_interval = 5000, .aggr_interval = 100000,};
str... |
8cf298c01b7fdb08eef5b6b26d0fe98d48134d72 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures in damon_test_update_monitoring_result() | Problem Details:
damon_test_update_monitoring_result() is assuming all dynamic memory
allocation in it will succeed. Those are indeed likely in the real use
cases since those allocations are too small to fail, but theoretically
those could fail. In the case, inappropriate memory access can happen.
Fix it by appropri... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index e38c95f86a68..10c9953581ee 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -429,6 +429,9 @@ static void damon_test_update_monitoring_result(struct kunit *test)
struct damon_attrs new_attrs;
struct damo... |
74d5969995d129fd59dd93b9c7daa6669cb6810f | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures in damon_test_set_regions() | Problem Details:
damon_test_set_regions() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 96c8f1269f44..e38c95f86a68 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -368,13 +368,26 @@ static void damon_test_ops_registration(struct kunit *test)
static void damon_test_set_regions(struct kunit *t... |
4f835f4e8c863985f15abd69db033c2f66546094 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures in damon_test_ops_registration() | Problem Details:
damon_test_ops_registration() is assuming all dynamic memory allocation in
it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately cl... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 10618cdd188e..96c8f1269f44 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -320,6 +320,9 @@ static void damon_test_ops_registration(struct kunit *test)
struct damon_operations ops = {.id = DAMON_OPS_VADD... |
eded254cb69044bd4abde87394ea44909708d7c0 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures on damon_test_split_regions_of() | Problem Details:
damon_test_split_regions_of() is assuming all dynamic memory allocation in
it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately cl... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 98f2a3de7cea..10618cdd188e 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -278,15 +278,35 @@ static void damon_test_split_regions_of(struct kunit *test)
struct damon_target *t;
struct damon_region *r;... |
0998d2757218771c59d5ca59ccf13d1542a38f17 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures on dasmon_test_merge_regions_of() | Problem Details:
damon_test_merge_regions_of() is assuming all dynamic memory allocation in
it will succeed. Those are indeed likely in the real use cases since
those allocations are too small to fail, but theoretically those could
fail. In the case, inappropriate memory access can happen. Fix it by
appropriately cl... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index e8219fd23318..98f2a3de7cea 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -248,8 +248,14 @@ static void damon_test_merge_regions_of(struct kunit *test)
int i;
t = damon_new_target();
+ if (!t)
+ ku... |
3d443dd29a1db7efa587a4bb0c06a497e13ca9e4 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures on damon_test_merge_two() | Problem Details:
damon_test_merge_two() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup p... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index f5f3152cb8df..e8219fd23318 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -188,11 +188,21 @@ static void damon_test_merge_two(struct kunit *test)
int i;
t = damon_new_target();
+ if (!t)
+ kunit_sk... |
5e80d73f22043c59c8ad36452a3253937ed77955 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle alloc failures on damon_test_split_at() | Problem Details:
damon_test_split_at() is assuming all dynamic memory allocation in it will
succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pr... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index fd1e1ecaa2c9..f5f3152cb8df 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -148,8 +148,19 @@ static void damon_test_split_at(struct kunit *test)
struct damon_target *t;
struct damon_region *r, *r_new;
... |
f79f2fc44ebd0ed655239046be3e80e8804b5545 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle memory alloc failure from damon_test_aggregate() | Problem Details:
damon_test_aggregate() is assuming all dynamic memory allocation in it
will succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup p... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 6e8a605277a3..fd1e1ecaa2c9 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -97,8 +97,15 @@ static void damon_test_aggregate(struct kunit *test)
struct damon_region *r;
int it, ir;
+ if (!ctx)
+ kuni... |
fafe953de2c661907c94055a2497c6b8dbfd26f3 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle memory failure from damon_test_target() | Problem Details:
damon_test_target() is assuming all dynamic memory allocation in it will
succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pre-... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index a2c9ee7a5de1..6e8a605277a3 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -58,7 +58,14 @@ static void damon_test_target(struct kunit *test)
struct damon_ctx *c = damon_new_ctx();
struct damon_target *... |
e16fdd4f754048d6e23c56bd8d920b71e41e3777 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: handle allocation failures in damon_test_regions() | Problem Details:
damon_test_regions() is assuming all dynamic memory allocation in it will
succeed. Those are indeed likely in the real use cases since those
allocations are too small to fail, but theoretically those could fail. In
the case, inappropriate memory access can happen. Fix it by appropriately
cleanup pre... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 69ca44f9270b..a2c9ee7a5de1 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -20,11 +20,17 @@ static void damon_test_regions(struct kunit *test)
struct damon_target *t;
r = damon_new_region(1, 2);
+ if... |
b5ab490d85b772bc99d2648182a282f39f08feb6 | Analyze and fix the following issue in the Linux kernel code: mm/damon/tests/core-kunit: fix memory leak in damon_test_set_filters_default_reject() | Problem Details:
Patch series "mm/damon/tests: fix memory bugs in kunit tests".
DAMON kunit tests were initially written assuming those will be run on
environments that are well controlled and therefore tolerant to transient
test failures and bugs in the test code itself. The user-mode linux based
manual run of the t... | ```diff
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 51369e35298b..69ca44f9270b 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -598,6 +598,9 @@ static void damon_test_set_filters_default_reject(struct kunit *test)
*/
KUNIT_EXPECT_EQ(test, scheme.core_f... |
77a7cfd96c17f2414a8319c28a12ff69b36e626a | Analyze and fix the following issue in the Linux kernel code: mm/debug: fix missing space in case statement | Problem Details:
In setup_vm_debug() , the case statement for 'p' option is written as
'case'p':' without a space between 'case' and the character constant.
While this is syntactically valid C, it violates the Linux kernel coding
style, which requires a space after 'case'. This patch adds the missing
space to comply ... | ```diff
diff --git a/mm/debug.c b/mm/debug.c
index 64ddb0c4b4be..d860864063be 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -327,7 +327,7 @@ static int __init setup_vm_debug(char *str)
while (*str) {
switch (tolower(*str)) {
- case'p':
+ case 'p':
__page_init_poisoning = true;
break;
default:
``` |
8bc7ba3d265d6ee698de4b1941b7e8f7d91a0562 | Analyze and fix the following issue in the Linux kernel code: mm: change type of state in struct memory_block | Problem Details:
The state of a memory block should be restricted to values specified in
the documentation of the memory hotplug API. However, since the state
field in the memory_block struct was defined as an unsigned long, this
restriction was not enforced at compile time.
With the introduction of the enum memory_b... | ```diff
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 6d84a02cfa5d..3d17dd774947 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -198,7 +198,7 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr,
break;
default:
WARN_ON(1);
- return sysfs_emit(buf... |
1a4f70f6851a1916c4f0e52731c7ecfe99bf36e6 | Analyze and fix the following issue in the Linux kernel code: mm: convert memory block states (MEM_*) macros to enum | Problem Details:
Patch series "mm: Convert memory block states (MEM_*) macros to enums", v2.
The MEM_* constants indicating the state of a memory block are currently
defined as macros, meaning their definitions will be omitted from the
debuginfo on most kernel builds. This makes it harder for debuggers to
correctly m... | ```diff
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 0c214256216f..f4e358477c6a 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -64,6 +64,18 @@ struct memory_group {
};
};
+enum memory_block_state {
+ /* These states are exposed to userspace as text strings in sysfs */
+ M... |
5e0fa7ed984d1c3b8bda4158e35a46cb2b0badac | Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: add include/linux/pgalloc.h to MM CORE section | Problem Details:
Patch series "mm: MISC follow-up patches for linux/pgalloc.h", v2.
This is a follow-up patch series for the patch series named: "[PATCH V5
mm-hotfixes 0/3] mm, x86: fix crash due to missing page table sync and
make it harder to miss".
This patch (of 2):
Since include/linux/pgtable.h is already list... | ```diff
diff --git a/MAINTAINERS b/MAINTAINERS
index c39701eec3fe..2625bc3d53d8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16266,6 +16266,7 @@ F: include/linux/mmzone.h
F: include/linux/mmdebug.h
F: include/linux/mmu_notifier.h
F: include/linux/pagewalk.h
+F: include/linux/pgalloc.h
F: include/linux/pgtable.h
... |
e35afdf228ccaaafe3baf8034429448ae505be47 | Analyze and fix the following issue in the Linux kernel code: mm/damon/sysfs: implement obsolete_target file | Problem Details:
There is no good way to remove DAMON targets in the middle of the existing
targets list. It restricts efficient and flexible DAMON use cases.
Improve the usability by implementing a new DAMON sysfs interface file,
namely obsolete_target, under each target directory. It is connected to
the obsolete f... | ```diff
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 92b53b7ca144..e2bd2d7becdd 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -212,6 +212,7 @@ struct damon_sysfs_target {
struct kobject kobj;
struct damon_sysfs_regions *regions;
int pid;
+ bool obsolete;
};
static struct damon_sysfs_target... |
a01386c16dc2d4ef3284c415cfe414f8137e0ea1 | Analyze and fix the following issue in the Linux kernel code: Docs/admin-guide/mm/damon/stat: fix a typo: s/sampling events/sampling interval/ | Problem Details:
It is a contextual typo. Fix it.
Link: https://lkml.kernel.org/r/20251026182216.118200-4-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.sto... | ```diff
diff --git a/Documentation/admin-guide/mm/damon/stat.rst b/Documentation/admin-guide/mm/damon/stat.rst
index 4c517c2c219a..20f540a9d3d2 100644
--- a/Documentation/admin-guide/mm/damon/stat.rst
+++ b/Documentation/admin-guide/mm/damon/stat.rst
@@ -17,7 +17,7 @@ DAMON_STAT uses monitoring intervals :ref:`auto-tun... |
d7484f6edd31a26a1d32aa1e8e20df40dbc1cb7d | Analyze and fix the following issue in the Linux kernel code: Docs/mm/damon/design: fix wrong link to intervals goal section | Problem Details:
Commit b243d666d107 ("Docs/admin-guide/mm/damon/usage: add intervals_goal
directory on the hierarchy") mistakenly added a wrong reference for
intervals goal usage documentation on the design document. Fix it.
Link: https://lkml.kernel.org/r/20251026182216.118200-3-sj@kernel.org
Signed-off-by: SeongJa... | ```diff
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index b54925ea78e9..2d8d8ca1e0a3 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -381,8 +381,8 @@ That is, assumes 4% (20% of 20%) DAMON-observed access events ratio (source)
to capture ... |
50ca6423643cdb26871970b4f8870b4940b4c498 | Analyze and fix the following issue in the Linux kernel code: mm/damon/core: fix wrong comment of damon_call() return timing | Problem Details:
Patch series "mm/damon: misc documentation fixups".
First three patches fix up issues in the documents, including wrong
explanation of a behavior, wrong link, and a contextual typo. Following
five patches update documents for not yet documented features and
behaviors.
This patch (of 8):
damon_call... | ```diff
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 82546d138a5a..769da97fcb26 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1440,7 +1440,7 @@ bool damon_is_running(struct damon_ctx *ctx)
* Ask DAMON worker thread (kdamond) of @ctx to call a function with an
* argument data that respectively passe... |
9fb749cd15078c7bdc46e5d45c37493f83323e33 | Analyze and fix the following issue in the Linux kernel code: mm, swap: do not perform synchronous discard during allocation | Problem Details:
Patch series "mm, swap: misc cleanup and bugfix", v2.
A few cleanups and a bugfix that are either suitable after the swap table
phase I or found during code review.
Patch 1 is a bugfix and needs to be included in the stable branch, the
rest have no behavioral change.
This patch (of 5):
Since commi... | ```diff
diff --git a/mm/swapfile.c b/mm/swapfile.c
index cb2392ed8e0e..33e0bd905c55 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1101,13 +1101,6 @@ new_cluster:
goto done;
}
- /*
- * We don't have free cluster but have some clusters in discarding,
- * do discard now and reclaim them.
- */
- if ((si->fl... |
72f98ef9a4be30d2a60136dd6faee376f780d06c | Analyze and fix the following issue in the Linux kernel code: iommu: disable SVA when CONFIG_X86 is set | Problem Details:
Patch series "Fix stale IOTLB entries for kernel address space", v7.
This proposes a fix for a security vulnerability related to IOMMU Shared
Virtual Addressing (SVA). In an SVA context, an IOMMU can cache kernel
page table entries. When a kernel page table page is freed and
reallocated for another ... | ```diff
diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c
index 1a51cfd82808..a0442faad952 100644
--- a/drivers/iommu/iommu-sva.c
+++ b/drivers/iommu/iommu-sva.c
@@ -77,6 +77,9 @@ struct iommu_sva *iommu_sva_bind_device(struct device *dev, struct mm_struct *mm
if (!group)
return ERR_PTR(-ENODEV);
... |
645a3c4243473d5c8b780927d2cc573e3da5a20c | Analyze and fix the following issue in the Linux kernel code: mm/vmstat: fix indentation in fold_diff function | Problem Details:
Adjust misaligned braces in fold_diff() to improve code readability and
maintain consistent coding style.
[akpm@linux-foundation.org: add braces, per Vlastimil & Liam]
Link: https://lkml.kernel.org/r/aPc4I/8zXCGyiapN@pilot-ThinkCentre-M930t-N000
Signed-off-by: Jing Su <jingsusu@didiglobal.com>
Acked-b... | ```diff
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 98855f31294d..f226942db746 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -778,17 +778,20 @@ static int fold_diff(int *zone_diff, int *node_diff)
int i;
bool changed = false;
- for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
+ for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; ... |
fe62415c9b0da808dab7507dacff588e329f8ff3 | Analyze and fix the following issue in the Linux kernel code: mm: remove reference to destructor in comment in calculate_sizes() | Problem Details:
The commit that removed support for destructors from kmem_cache_alloc()
never removed the comment regarding destructors in the explanation of the
possible relocation of the free pointer in calculate_sizes().
Link: https://lkml.kernel.org/r/20251021110004.2209008-1-william.kucharski@oracle.com
Fixes: 2... | ```diff
diff --git a/mm/slub.c b/mm/slub.c
index 3ea9b7af660d..477c4f741b2a 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -7901,11 +7901,11 @@ static int calculate_sizes(struct kmem_cache_args *args, struct kmem_cache *s)
* permitted to overwrite the first word of the object on
* kmem_cache_free.
*
- * This i... |
f0c74b6cb91d97cea74176a5400e89c183732cb2 | Analyze and fix the following issue in the Linux kernel code: mm/vmalloc: use kmalloc_array() instead of kmalloc() | Problem Details:
The number of NUMA nodes (nr_node_ids) is bounded, so overflow is not a
practical concern here. However, using kmalloc_array() better reflects
the intent to allocate an array of unsigned ints, and improves consistency
with other NUMA-related allocations.
No functional change intended.
Link: https://... | ```diff
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 091a07f6d925..adde450ddf5e 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -5140,7 +5140,7 @@ static int vmalloc_info_show(struct seq_file *m, void *p)
unsigned int *counters;
if (IS_ENABLED(CONFIG_NUMA))
- counters = kmalloc(nr_node_ids * sizeof(unsigned in... |
184c7533426ada7625c029b54143fec4ef4daa28 | Analyze and fix the following issue in the Linux kernel code: vmalloc: separate gfp_mask adjunctive parentheses in __vmalloc_node_noprof() kernel-doc comment | Problem Details:
Sphinx reports htmldocs warning on __vmalloc_node() comment:
Documentation/core-api/mm-api:52: ./mm/vmalloc.c:4036: WARNING: Inline strong start-string without end-string. [docutils]
Fix it by separating adjunctive parentheses from preceding gfp_mask
formatting markup.
Link: https://lkml.kernel.org/... | ```diff
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index e207ca64a688..091a07f6d925 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -4034,7 +4034,7 @@ fail:
* Allocate enough pages to cover @size from the page level allocator with
* @gfp_mask flags. Map them into contiguous kernel virtual space.
*
- * Semantics of... |
ab3c8e7b8687a26eacb95ba343de5dad4fb95880 | Analyze and fix the following issue in the Linux kernel code: mm/shmem: update shmem to use mmap_prepare | Problem Details:
Patch series "expand mmap_prepare functionality, port more users", v5.
Since commit c84bf6dd2b83 ("mm: introduce new .mmap_prepare() file
callback"), The f_op->mmap hook has been deprecated in favour of
f_op->mmap_prepare.
This was introduced in order to make it possible for us to eventually
eliminat... | ```diff
diff --git a/mm/shmem.c b/mm/shmem.c
index 0eecb486a0cb..8b9fcdd144c8 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2925,16 +2925,17 @@ out_nomem:
return retval;
}
-static int shmem_mmap(struct file *file, struct vm_area_struct *vma)
+static int shmem_mmap_prepare(struct vm_area_desc *desc)
{
+ struct file... |
dfc02531f413bf18f5e0ac79a52d2af6f69e99c3 | Analyze and fix the following issue in the Linux kernel code: mm/damon/reclaim: use min_sz_region for core address alignment when setting regions | Problem Details:
When setting regions in DAMON_RECLAIM, DAMON_MIN_REGION will be applied as
the core address alignment, and the monitoring target address ranges would
be aligned on DAMON_MIN_REGION * addr_unit. When users 1) set addr_unit
to a value larger than 1, and 2) set the monitoring target address range
as not ... | ```diff
diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c
index e30811cafe90..36a582e09eae 100644
--- a/mm/damon/reclaim.c
+++ b/mm/damon/reclaim.c
@@ -251,7 +251,7 @@ static int damon_reclaim_apply_parameters(void)
err = damon_set_region_biggest_system_ram_default(param_target,
&monitor_region_start,
... |
e859a224fad65cb4848fe202aea9896a14fdb7f4 | Analyze and fix the following issue in the Linux kernel code: mm/damon: add a min_sz_region parameter to damon_set_region_biggest_system_ram_default() | Problem Details:
Patch series "mm/damon: fixes for address alignment issues in
DAMON_LRU_SORT and DAMON_RECLAIM", v2.
In DAMON_LRU_SORT and DAMON_RECLAIM, damon_set_regions() will apply
DAMON_MIN_REGION as the core address alignment, and the monitoring target
address ranges would be aligned on DAMON_MIN_REGION * addr_... | ```diff
diff --git a/include/linux/damon.h b/include/linux/damon.h
index 0edf41d36ea1..9ee026c2db53 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -961,7 +961,8 @@ int damon_call(struct damon_ctx *ctx, struct damon_call_control *control);
int damos_walk(struct damon_ctx *ctx, struct damos_walk_contr... |
074f027d15c10cb376b3ad88405b8e512fa5b3a8 | Analyze and fix the following issue in the Linux kernel code: mm/khugepaged: guard is_zero_pfn() calls with pte_present() | Problem Details:
A non-present entry, like a swap PTE, contains completely different data
(swap type and offset). pte_pfn() doesn't know this, so if we feed it a
non-present entry, it will spit out a junk PFN.
What if that junk PFN happens to match the zeropage's PFN by sheer chance?
While really unlikely, this would... | ```diff
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 1be61cd5440d..68e487d53772 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -337,6 +337,13 @@ struct attribute_group khugepaged_attr_group = {
};
#endif /* CONFIG_SYSFS */
+static bool pte_none_or_zero(pte_t pte)
+{
+ if (pte_none(pte))
+ return tru... |
a059ad48b453ad9ebdefaba6248229e83e5ad4d9 | Analyze and fix the following issue in the Linux kernel code: mm/khugepaged: fix comment for default scan sleep duration | Problem Details:
The comment for khugepaged_scan_sleep_millisecs incorrectly states the
default scan period is 30 seconds. The actual default value in the code
is 10000ms (10 seconds).
This patch corrects the comment to match the code, preventing potential
confusion. The incorrect comment has existed since the featu... | ```diff
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index abe54f0043c7..1be61cd5440d 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -67,7 +67,7 @@ enum scan_result {
static struct task_struct *khugepaged_thread __read_mostly;
static DEFINE_MUTEX(khugepaged_mutex);
-/* default scan 8*512 pte (or vmas) ever... |
0acc67c4030c39f39ac90413cc5d0abddd3a9527 | Analyze and fix the following issue in the Linux kernel code: mm/page_alloc/vmstat: simplify refresh_cpu_vm_stats change detection | Problem Details:
Patch series "mm/page_alloc: Batch callers of free_pcppages_bulk", v5.
Motivation & Approach
=====================
While testing workloads with high sustained memory pressure on large
machines in the Meta fleet (1Tb memory, 316 CPUs), we saw an unexpectedly
high number of softlockups. Further invest... | ```diff
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 623bee335383..b155929af5b1 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -387,7 +387,7 @@ extern void free_pages(unsigned long addr, unsigned int order);
#define free_page(addr) free_pages((addr), 0)
void page_alloc_init_cpuhp(void... |
eb8762dc220c0b0573100a941bfc68df34ece74f | Analyze and fix the following issue in the Linux kernel code: drivers/base/node: fold register_node() into register_one_node() | Problem Details:
Patch series "drivers/base/node: fold node register and unregister
functions", v2.
The first patch merges register_one_node() and register_node(), leaving a
single register_node() function.
The second patch merges unregister_one_node() and unregister_node(),
leaving a single unregister_node() functio... | ```diff
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index aeb8633a3d00..8c77ec7980de 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -29,7 +29,7 @@ struct pci_controller *init_phb_dynamic(struct device_n... |
a739e6b557af0939ed4031419374f2c563e95b68 | Analyze and fix the following issue in the Linux kernel code: mm: vmalloc: WARN_ON if mapping size is not PAGE_SIZE aligned | Problem Details:
In mm/vmalloc.c, the function vmap_pte_range() assumes that the mapping
size is aligned to PAGE_SIZE. If this assumption is violated, the loop
will become infinite because the termination condition (`addr != end`)
will never be met. This can lead to overwriting other VA ranges and/or
random pages phy... | ```diff
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 9a63c91c6150..dcc95931ea9d 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -100,6 +100,9 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
struct page *page;
unsigned long size = PAGE_SIZE;
+ if (WARN_ON_ONCE(!PAGE_ALIGNED(end - ... |
156c0c5d1463c26348316864f7f0dc8bf809f454 | Analyze and fix the following issue in the Linux kernel code: mm/page_owner: introduce struct stack_print_ctx | Problem Details:
Patch series "mm/page_owner: add debugfs files 'show_handles' and
'show_stacks_handles'", v2.
Context:
The page_owner debug feature can help understand a particular situation in
in a point in time (e.g., identify biggest memory consumers; verify memory
counters that do not add up).
Another useful us... | ```diff
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 589ec37c94aa..05e26c9d43ef 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -45,6 +45,10 @@ static struct stack failure_stack;
static struct stack *stack_list;
static DEFINE_SPINLOCK(stack_list_lock);
+struct stack_print_ctx {
+ struct stack *stack;
... |
f7ed6bf2372df0123a43cb680d5e63063a9f2d49 | Analyze and fix the following issue in the Linux kernel code: mm/zswap: fix typos: s/zwap/zswap/ | Problem Details:
As the subject says.
Link: https://lkml.kernel.org/r/20251003203851.43128-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Acked-by: Yosry Ahmed <yosry.ahmed@linux.dev>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Chris Li <chrisl@kerne... | ```diff
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4deda33625f4..3ae5cbcaed75 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5443,7 +5443,7 @@ bool obj_cgroup_may_zswap(struct obj_cgroup *objcg)
* @size: size of compressed object
*
* This forces the charge after obj_cgroup_may_zswap() allowed
- ... |
9f1edf1aedac1b287355f63f768ba4275de72dca | Analyze and fix the following issue in the Linux kernel code: mm: readahead: make thp readahead conditional to mmap_miss logic | Problem Details:
Commit 4687fdbb805a ("mm/filemap: Support VM_HUGEPAGE for file mappings")
introduced a special handling for VM_HUGEPAGE mappings: even if the
readahead is disabled, 1 or 2 HPAGE_PMD_ORDER pages are allocated.
This change causes a significant regression for containers with a tight
memory.max limit, if ... | ```diff
diff --git a/mm/filemap.c b/mm/filemap.c
index 2f1e7e283a51..526ad8c92250 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3253,11 +3253,47 @@ static struct file *do_sync_mmap_readahead(struct vm_fault *vmf)
DEFINE_READAHEAD(ractl, file, ra, mapping, vmf->pgoff);
struct file *fpin = NULL;
vm_flags_t vm_fl... |
590c03ca6a3fbb114396673314e2aa483839608b | Analyze and fix the following issue in the Linux kernel code: mm/ksm: fix exec/fork inheritance support for prctl | Problem Details:
Patch series "ksm: fix exec/fork inheritance", v2.
This series fixes exec/fork inheritance. See the detailed description of
the issue below.
This patch (of 2):
Background
==========
commit d7597f59d1d33 ("mm: add new api to enable ksm per process")
introduced MMF_VM_MERGE_ANY for mm->flags, and a... | ```diff
diff --git a/include/linux/ksm.h b/include/linux/ksm.h
index 067538fc4d58..c982694c987b 100644
--- a/include/linux/ksm.h
+++ b/include/linux/ksm.h
@@ -17,7 +17,7 @@
#ifdef CONFIG_KSM
int ksm_madvise(struct vm_area_struct *vma, unsigned long start,
unsigned long end, int advice, vm_flags_t *vm_flags);
-vm_f... |
9c47753167a6a585d0305663c6912f042e131c2d | Analyze and fix the following issue in the Linux kernel code: mm/vmalloc: defer freeing partly initialized vm_struct | Problem Details:
__vmalloc_area_node() may call free_vmap_area() or vfree() on error paths,
both of which can sleep. This becomes problematic if the function is
invoked from an atomic context, such as when GFP_ATOMIC or GFP_NOWAIT is
passed via gfp_mask.
To fix this, unify error paths and defer the cleanup of partly ... | ```diff
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index eb54b7b3202f..1e43181369f1 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -50,7 +50,11 @@ struct iov_iter; /* in uio.h */
#endif
struct vm_struct {
- struct vm_struct *next;
+ union {
+ struct vm_struct *next; /*... |
b6c46600bfb28b4be4e9cff7bad4f2cf357e0fb7 | Analyze and fix the following issue in the Linux kernel code: mm: fix some typos in mm module | Problem Details:
Below are some typos in the code comments:
intevals ==> intervals
addesses ==> addresses
unavaliable ==> unavailable
facor ==> factor
droping ==> dropping
exlusive ==> exclusive
decription ==> description
confict ==> conflict
desriptions ==> descriptions
otherwize ==> otherwise
v... | ```diff
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 3c0d727788c8..0ecd8fb84101 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -1264,7 +1264,7 @@ enum damon_sysfs_cmd {
DAMON_SYSFS_CMD_UPDATE_SCHEMES_EFFECTIVE_QUOTAS,
/*
* @DAMON_SYSFS_CMD_UPDATE_TUNED_INTERVALS: Update the tuned monitoring
- ... |
e0ac00be7ae844c901e34f426f95bb65ffdae4b4 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx95-tqma9596sa: whitespace fixes | Problem Details:
Use tabs instead of spaces for indentation.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org> | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
index 9c892cd8ff21..a4c6083ab43b 100644
--- a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
@@ -621,8 +621,8 @@
};
pinctrl_... |
0df2b380e5edfd04106a336164fe928c24e9bb7b | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx95-tqma9596sa: update pcie config | Problem Details:
Fix pcie clock config and switch from deprecated reset-gpio to
reset-gpios.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org> | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
index 832c753abcd7..36da8ff8d183 100644
--- a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
@@ -395,22 +395,24 @@
pinctrl-0 = <... |
461be3802562b2d41250b40868310579a32f32c1 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx95-tqma9596sa: reduce maximum FlexSPI frequency to 66MHz | Problem Details:
66 MHz is the maximum FlexPI clock frequency in normal/overdrive mode
when RXCLKSRC = 0 (Default)
Fixes: 91d1ff322c47 ("arm64: dt: imx95: Add TQMa95xxSA")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org> | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
index c3bb61ea6796..16c40d11d3b5 100644
--- a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
@@ -115,7 +115,7 @@
flash0: flash@0... |
046cb64923e8c05a8fb656baffcd8c3fc67fb688 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx95-tqma9596sa: fix TPM5 pinctrl node name | Problem Details:
tpm4grp will be overwritten. Fix node name
Fixes: 91d1ff322c47 ("arm64: dt: imx95: Add TQMa95xxSA")
Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org> | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
index 180124cc5bce..c3bb61ea6796 100644
--- a/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95-tqma9596sa.dtsi
@@ -617,7 +617,7 @@
fsl,pins = <IM... |
9e510e677090bb794b46348b10e1c8038286e00a | Analyze and fix the following issue in the Linux kernel code: spi: aspeed: Add support for the AST2700 SPI controller | Problem Details:
Extend the driver to support the AST2700 SPI controller. Compared to
AST2600, AST2700 has the following characteristics:
- A 64-bit memory address space.
- A 64KB address decoding unit.
- Segment registers now use (start <= range < end) semantics,
which differs slightly from (start <= range <= en... | ```diff
diff --git a/drivers/spi/spi-aspeed-smc.c b/drivers/spi/spi-aspeed-smc.c
index d1a8bdf6d540..db3e096f2eb0 100644
--- a/drivers/spi/spi-aspeed-smc.c
+++ b/drivers/spi/spi-aspeed-smc.c
@@ -985,6 +985,41 @@ static u32 aspeed_spi_segment_ast2600_reg(struct aspeed_spi *aspi,
((end - 1) & AST2600_SEG_ADDR_MASK);
... |
be6671d3908e97a2128f5327610a1dcb4d420cfa | Analyze and fix the following issue in the Linux kernel code: spi: dt-bindings: aspeed,ast2600-fmc: Add AST2700 SoC support | Problem Details:
Add AST2700 to the list of supported SoCs in the ASPEED FMC/SPI bindings.
AST2700 FMC/SPI controllers are not compatible with AST2600 due to the
following hardware differences:
- Address decoding unit uses 64KB granularity (AST2600 uses 1MB).
- Segment register semantics are changed.
AST2600: star... | ```diff
diff --git a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
index 57d932af4506..80e542624cc6 100644
--- a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
+++ b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.ya... |
2196e8172bee2002e9baaa0d02b2f9f2dd213949 | Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: Fix error handling in pm4125 audio codec driver | Problem Details:
pm4125_bind() acquires references through pm4125_sdw_device_get() but
fails to release them in error paths and during normal unbind
operations. This could result in reference count leaks, preventing
proper cleanup and potentially causing resource exhaustion over
multiple bind/unbind cycles.
Calling pa... | ```diff
diff --git a/sound/soc/codecs/pm4125.c b/sound/soc/codecs/pm4125.c
index 706fc668ffe2..f9bcae6d1d79 100644
--- a/sound/soc/codecs/pm4125.c
+++ b/sound/soc/codecs/pm4125.c
@@ -1551,6 +1551,10 @@ static int pm4125_bind(struct device *dev)
struct device_link *devlink;
int ret;
+ /* Initialize device pointers... |
578ccfe344c5f421c2c6343b872995b397ffd3ff | Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: wcd937x: Fix error handling in wcd937x codec driver | Problem Details:
In wcd937x_bind(), the driver calls of_sdw_find_device_by_node() to
obtain references to RX and TX SoundWire devices, which increment the
device reference counts. However, the corresponding put_device() are
missing in both the error paths and the normal unbind path in
wcd937x_unbind().
Add proper erro... | ```diff
diff --git a/sound/soc/codecs/wcd937x.c b/sound/soc/codecs/wcd937x.c
index 421ec7a2d6bd..ed0ff45a8964 100644
--- a/sound/soc/codecs/wcd937x.c
+++ b/sound/soc/codecs/wcd937x.c
@@ -2748,7 +2748,8 @@ static int wcd937x_bind(struct device *dev)
wcd937x->rxdev = of_sdw_find_device_by_node(wcd937x->rxnode);
if (!... |
118eb2cb97b8fc0d515bb0449495959247db58f0 | Analyze and fix the following issue in the Linux kernel code: spi: bcm63xx: drop wrong casts in probe() | Problem Details:
Both bs->regs and bs->{rx,tx}_io are tagged __iomem, so we shouldn't
cast them to anything else.
Silences the following sparse warning:
drivers/spi/spi-bcm63xx.c:571:22: warning: cast removes address space '__iomem' of expression
drivers/spi/spi-bcm63xx.c:571:19: warning: incorrect type in assignment... | ```diff
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index b56210734caa..55db5299d725 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -568,8 +568,8 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
host->auto_runtime_pm = true;
bs->msg_type_shift = bs->reg... |
6b3b697d65d46a0f640216a3f6c72856c159c567 | Analyze and fix the following issue in the Linux kernel code: sunrpc: allocate a separate bvec array for socket sends | Problem Details:
svc_tcp_sendmsg() calls xdr_buf_to_bvec() with the second slot of
rq_bvec as the start, but doesn't reduce the array length by one, which
could lead to an array overrun. Also, rq_bvec is always rq_maxpages in
length, which can be too short in some cases, since the TCP record
marker consumes a slot.
Fi... | ```diff
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index 963bbe251e52..de37069aba90 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -26,6 +26,9 @@ struct svc_sock {
void (*sk_odata)(struct sock *);
void (*sk_owspace)(struct sock *);
+ /* Fo... |
cc6c40e09d7b1c559bdf42f0fe99b16eb7cfc5e3 | Analyze and fix the following issue in the Linux kernel code: NFSD/blocklayout: Support multiple extents per LAYOUTGET | Problem Details:
Allow the pNFS server to respond with multiple extents to a LAYOUTGET
request, thereby avoiding unnecessary load on the server and improving
performance for the client. The number of LAYOUTGET requests is
significantly reduced for various file access patterns, including
random and parallel writes.
Add... | ```diff
diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c
index 6d29ea5e8623..101cccbee4a3 100644
--- a/fs/nfsd/blocklayout.c
+++ b/fs/nfsd/blocklayout.c
@@ -89,9 +89,9 @@ nfsd4_block_proc_layoutget(struct svc_rqst *rqstp, struct inode *inode,
{
struct nfsd4_layout_seg *seg = &args->lg_seg;
struct pnfs_bl... |
3524b021b0ec620a76c89aee78e9d4b4130fb711 | Analyze and fix the following issue in the Linux kernel code: NFSD/blocklayout: Fix minlength check in proc_layoutget | Problem Details:
The extent returned by the file system may have a smaller offset than
the segment offset requested by the client. In this case, the minimum
segment length must be checked against the requested range. Otherwise,
the client may not be able to continue the read/write operation.
Fixes: 8650b8a05850 ("nfsd... | ```diff
diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c
index fde5539cf6a6..425648565ab2 100644
--- a/fs/nfsd/blocklayout.c
+++ b/fs/nfsd/blocklayout.c
@@ -23,6 +23,7 @@ nfsd4_block_proc_layoutget(struct svc_rqst *rqstp, struct inode *inode,
{
struct nfsd4_layout_seg *seg = &args->lg_seg;
struct super_b... |
bf94dea7fd4e6708d1a784be23db65eff84d82f1 | Analyze and fix the following issue in the Linux kernel code: svcrdma: Release transport resources synchronously | Problem Details:
NFSD has always supported added network listeners. The new netlink
protocol now enables the removal of listeners.
Olga noticed that if an RDMA listener is removed and immediately
re-added, the deferred __svc_rdma_free() function might not have
run yet, so some or all of the old listener's RDMA resourc... | ```diff
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 3d7f1413df02..b7b318ad25c4 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -591,12 +591,18 @@ static void svc_rdma_detach(struct svc_xprt *xprt)
rdma_d... |
e2cb69263e797c0aa6676bcef23e9e27e44c83b0 | Analyze and fix the following issue in the Linux kernel code: tools: riscv: Fixed misalignment of CSR related definitions | Problem Details:
The file tools/arch/riscv/include/asm/csr.h borrows from
arch/riscv/include/asm/csr.h, and subsequent modifications
related to CSR should maintain consistency.
Signed-off-by: Chen Pei <cp0613@linux.alibaba.com>
Link: https://patch.msgid.link/20251114071215.816-1-cp0613@linux.alibaba.com
[pjw@kernel.or... | ```diff
diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index e255c1b069ec..7dd282da67ce 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -1109,7 +1109,7 @@ static irqreturn_t pmu_sbi_ovf_handler(int irq, void *dev)
/* compute hardware counter index */
hid... |
7b090e7b910cafd245f23e56f3257a151ca0a289 | Analyze and fix the following issue in the Linux kernel code: riscv: sbi: Prefer SRST shutdown over legacy | Problem Details:
Currently, the sbi_init() always attempts to register the legacy shutdown
function as the sys-off handler which is fine when RISCV_SBI_V01 is not
enabled. However, if RISCV_SBI_V01 is enabled in the kernel and the SBI
v0.1 is not supported by the underlying SBI implementation then the
legacy shutdown f... | ```diff
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index 5e8cde055264..c443337056ab 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -648,9 +648,9 @@ int sbi_debug_console_read(char *bytes, unsigned int num_bytes)
void __init sbi_init(void)
{
+ bool srst_power_off = false;
... |
6fe9f3279f7d2518439a7962c5870c6e9ecbadcf | Analyze and fix the following issue in the Linux kernel code: can: gs_usb: gs_usb_receive_bulk_callback(): check actual_length before accessing header | Problem Details:
The driver expects to receive a struct gs_host_frame in
gs_usb_receive_bulk_callback().
Use struct_group to describe the header of the struct gs_host_frame and
check that we have at least received the header before accessing any
members of it.
To resubmit the URB, do not dereference the pointer chain... | ```diff
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index fa9bab8c89ae..51f8d694104d 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -262,13 +262,15 @@ struct canfd_quirk {
} __packed;
struct gs_host_frame {
- u32 echo_id;
- __le32 can_id;
+ struct_group(... |
516a0cd1c03fa266bb67dd87940a209fd4e53ce7 | Analyze and fix the following issue in the Linux kernel code: can: gs_usb: gs_usb_xmit_callback(): fix handling of failed transmitted URBs | Problem Details:
The driver lacks the cleanup of failed transfers of URBs. This reduces the
number of available URBs per error by 1. This leads to reduced performance
and ultimately to a complete stop of the transmission.
If the sending of a bulk URB fails do proper cleanup:
- increase netdev stats
- mark the echo_sbk... | ```diff
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 69b8d6da651b..fa9bab8c89ae 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -750,8 +750,21 @@ static void gs_usb_xmit_callback(struct urb *urb)
struct gs_can *dev = txc->dev;
struct net_device *netd... |
30db4451c7f6aabcada029b15859a76962ec0cf8 | Analyze and fix the following issue in the Linux kernel code: can: sja1000: fix max irq loop handling | Problem Details:
Reading the interrupt register `SJA1000_IR` causes all of its bits to be
reset. If we ever reach the condition of handling more than
`SJA1000_MAX_IRQ` IRQs, we will have read the register and reset all its
bits but without actually handling the interrupt inside of the loop
body.
This may, among other ... | ```diff
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 4d245857ef1c..83476af8adb5 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -548,8 +548,8 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
if (priv->read_reg(priv, SJA1000_I... |
0c73772cd2b8cc108d5f5334de89ad648d89b9ec | Analyze and fix the following issue in the Linux kernel code: can: kvaser_usb: leaf: Fix potential infinite loop in command parsers | Problem Details:
The `kvaser_usb_leaf_wait_cmd()` and `kvaser_usb_leaf_read_bulk_callback`
functions contain logic to zero-length commands. These commands are used
to align data to the USB endpoint's wMaxPacketSize boundary.
The driver attempts to skip these placeholders by aligning the buffer
position `pos` to the ne... | ```diff
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c
index c29828a94ad0..1167d38344f1 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c
@@ -685,7 +685,7 @@ static int kvaser_usb_leaf_wa... |
02d44a1b64f11cdbcd5349063f149309c42a9fa5 | Analyze and fix the following issue in the Linux kernel code: iio: pressure: Arrange Makefile alphabetically | Problem Details:
Fix hp206c and st_pressure_* entries in pressure Makefiles to follow
alphabetical order as per guideline mentioned in iio/pressure/Makefile.
Signed-off-by: Akhilesh Patil <akhilesh@ee.iitb.ac.in>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.co... | ```diff
diff --git a/drivers/iio/pressure/Makefile b/drivers/iio/pressure/Makefile
index 47bf7656f975..a21443e992b9 100644
--- a/drivers/iio/pressure/Makefile
+++ b/drivers/iio/pressure/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_DPS310) += dps310.o
obj-$(CONFIG_IIO_CROS_EC_BARO) += cros_ec_baro.o
obj-$(CONFIG_HID_SENSOR... |
e89ee35567d3d465ef0715953170be72f5ef1d4c | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8qm-mek: fix mux-controller select/enable-gpios polarity | Problem Details:
According to the board design, set SEL to high means flipped
connection (TX2/RX2). And the TCPM will output logical 1 if it needs
flipped connection. So switch to active high for select-gpios.
The EN pin on mux chip is low active, so switch to active low for
enable-gpios too.
Fixes: b237975b2cd5 ("arm... | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 202d5c67ac40..9c0b6b8d6459 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -217,8 +217,8 @@
compatible = "nxp,cbdtu02043", "gpio-sbu-m... |
1107aac1ad7f445a83604b14af7be47f1a795c66 | Analyze and fix the following issue in the Linux kernel code: firewire: core: fix to update generation field in topology map | Problem Details:
The generation field of topology map is updated after initialized by zero.
The updated value of generation field is always zero, and is against
specification.
This commit fixes the bug.
Fixes: 7d138cb269db ("firewire: core: use spin lock specific to topology map")
Link: https://lore.kernel.org/r/2025... | ```diff
diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
index 2f73bcd5696f..ed3ae8cdb0cd 100644
--- a/drivers/firewire/core-topology.c
+++ b/drivers/firewire/core-topology.c
@@ -441,12 +441,13 @@ static void update_topology_map(__be32 *buffer, size_t buffer_size, int root_nod
const... |
3b0bf0659551e9df4f3d28a5ce92ea1c51f275a2 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mm-phyboard-polis-peb-av-10: Fix audio codec reset pin ctl | Problem Details:
Enable internal pull up of the active low audio codec reset pin.
Otherwise the audio codec does not reset properly and is not working.
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Jan Remmet <j.remmet@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org> | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtsi
index 3d4ffeecb8dd..bd1f255e15ea 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phyboar... |
798a401660a151633cb171738a72a8f1efb9b0b4 | Analyze and fix the following issue in the Linux kernel code: tracefs: fix a leak in eventfs_create_events_dir() | Problem Details:
If we have LOCKDOWN_TRACEFS, the function bails out - *after*
having locked the parent directory and without bothering to
undo that. Just check it before tracefs_start_creating()...
Fixes: e24709454c45 "tracefs/eventfs: Add missing lockdown checks"
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.o... | ```diff
diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c
index 8705c77a9e75..93c231601c8e 100644
--- a/fs/tracefs/event_inode.c
+++ b/fs/tracefs/event_inode.c
@@ -757,7 +757,7 @@ struct eventfs_inode *eventfs_create_events_dir(const char *name, struct dentry
const struct eventfs_entry *entries,
... |
c460192aae197df1b4db1dca493c35ad529f1b64 | Analyze and fix the following issue in the Linux kernel code: fuse_ctl_add_conn(): fix nlink breakage in case of early failure | Problem Details:
fuse_ctl_remove_conn() used to decrement the link count of root
manually; that got subsumed by simple_recursive_removal(), but
in case when subdirectory creation has failed the latter won't
get called.
Just move the modification of parent's link count into
fuse_ctl_add_dentry() to keep the things simp... | ```diff
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index bb407705603c..5247df896c5d 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -205,8 +205,7 @@ static const struct file_operations fuse_conn_congestion_threshold_ops = {
static struct dentry *fuse_ctl_add_dentry(struct dentry *parent,
st... |
91f815b7073d8f1abb5f3a3a7bf6b9466a6e5e8f | Analyze and fix the following issue in the Linux kernel code: riscv: Update MIPS vendor id to 0x127 | Problem Details:
[1] defines MIPS vendor id as 0x127. All previous MIPS RISC-V patches
were tested on QEMU, also modified to use 0x722 as MIPS_VENDOR_ID. This
new value should reflect real hardware.
[1] https://mips.com/wp-content/uploads/2025/06/P8700_Programmers_Reference_Manual_Rev1.84_5-31-2025.pdf
Fixes: a8fed1b... | ```diff
diff --git a/arch/riscv/include/asm/vendorid_list.h b/arch/riscv/include/asm/vendorid_list.h
index 3b09874d7a6d..7f5030ee1fcf 100644
--- a/arch/riscv/include/asm/vendorid_list.h
+++ b/arch/riscv/include/asm/vendorid_list.h
@@ -7,8 +7,8 @@
#define ANDES_VENDOR_ID 0x31e
#define MICROCHIP_VENDOR_ID 0x029
+#de... |
4e8cb8e0328a4b3ba17905f0051ac98ab709c3ab | Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: fixes audio for 100ASK DshanPi A1 | Problem Details:
Correct the i2c address of the ES8388 chip and the gpio of hp_det pin.
According to the schematic, the ES8388 chip is connected to the SoC's
sai2 controller instead of sai1, fix it.
Fixes: d809417c5a40 ("arm64: dts: rockchip: add DTs for 100ASK DShanPi A1")
Signed-off-by: Chukun Pan <amadeus@jmu.edu.... | ```diff
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts b/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
index 6c08279953c0..cb04ab96d1e8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
@@ -44,7 +44,... |
eaf661552b0f67278d8af4d42e6a5f97ceb0281f | Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: fixes vcc3v3_s0 supply for 100ASK DshanPi A1 | Problem Details:
From the schematic, the supply of ES8388 chip and the vmmc-supply
of SD card both originate from the VCC3V3_S0 regulator, fix it.
Fixes: d809417c5a40 ("arm64: dts: rockchip: add DTs for 100ASK DShanPi A1")
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://patch.msgid.link/20251101120010.417... | ```diff
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts b/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
index 7f64dfbf736e..6c08279953c0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-100ask-dshanpi-a1.dts
@@ -604,9 +60... |
1c2a936edd71e133f2806e68324ec81a4eb07588 | Analyze and fix the following issue in the Linux kernel code: mm, swap: fix potential UAF issue for VMA readahead | Problem Details:
Since commit 78524b05f1a3 ("mm, swap: avoid redundant swap device
pinning"), the common helper for allocating and preparing a folio in the
swap cache layer no longer tries to get a swap device reference
internally, because all callers of __read_swap_cache_async are already
holding a swap entry referenc... | ```diff
diff --git a/mm/swap_state.c b/mm/swap_state.c
index b13e9c4baa90..f4980dde5394 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -748,6 +748,8 @@ static struct folio *swap_vma_readahead(swp_entry_t targ_entry, gfp_t gfp_mask,
blk_start_plug(&plug);
for (addr = start; addr < end; ilx++, addr += PAGE_S... |
216158f063fe24fb003bd7da0cd92cd6e2c4d48b | Analyze and fix the following issue in the Linux kernel code: selftests/user_events: fix type cast for write_index packed member in perf_test | Problem Details:
Accessing 'reg.write_index' directly triggers a -Waddress-of-packed-member
warning due to potential unaligned pointer access:
perf_test.c:239:38: warning: taking address of packed member 'write_index'
of class or structure 'user_reg' may result in an unaligned pointer value
[-Waddress-of-packed-member... | ```diff
diff --git a/tools/testing/selftests/user_events/perf_test.c b/tools/testing/selftests/user_events/perf_test.c
index 5288e768b207..68625362add2 100644
--- a/tools/testing/selftests/user_events/perf_test.c
+++ b/tools/testing/selftests/user_events/perf_test.c
@@ -236,7 +236,7 @@ TEST_F(user, perf_empty_events) {... |
a26ec8f3d4e56d4a7ffa301e8032dca9df0bbc05 | Analyze and fix the following issue in the Linux kernel code: lib/test_kho: check if KHO is enabled | Problem Details:
We must check whether KHO is enabled prior to issuing KHO commands,
otherwise KHO internal data structures are not initialized.
Link: https://lkml.kernel.org/r/20251106220635.2608494-1-pasha.tatashin@soleen.com
Fixes: b753522bed0b ("kho: add test for kexec handover")
Signed-off-by: Pasha Tatashin <pas... | ```diff
diff --git a/lib/test_kho.c b/lib/test_kho.c
index 60cd899ea745..fff018e5548d 100644
--- a/lib/test_kho.c
+++ b/lib/test_kho.c
@@ -301,6 +301,9 @@ static int __init kho_test_init(void)
phys_addr_t fdt_phys;
int err;
+ if (!kho_is_enabled())
+ return 0;
+
err = kho_retrieve_subtree(KHO_TEST_FDT, &fdt_ph... |
f1d47cafe513b5552a5b20a7af0936d9070a8a78 | Analyze and fix the following issue in the Linux kernel code: mm/huge_memory: fix folio split check for anon folios in swapcache | Problem Details:
Both uniform and non uniform split check missed the check to prevent
splitting anon folios in swapcache to non-zero order.
Splitting anon folios in swapcache to non-zero order can cause data
corruption since swapcache only support PMD order and order-0 entries.
This can happen when one use split_huge... | ```diff
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 323654fb4f8c..2f2a521e5d68 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3522,7 +3522,8 @@ bool non_uniform_split_supported(struct folio *folio, unsigned int new_order,
/* order-1 is not supported for anonymous THP. */
VM_WARN_ONCE(warns &&... |
00fbff75c5acb4755f06f08bd1071879c63940c5 | Analyze and fix the following issue in the Linux kernel code: crash: fix crashkernel resource shrink | Problem Details:
When crashkernel is configured with a high reservation, shrinking its
value below the low crashkernel reservation causes two issues:
1. Invalid crashkernel resource objects
2. Kernel crash if crashkernel shrinking is done twice
For example, with crashkernel=200M,high, the kernel reserves 200MB of hig... | ```diff
diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index 3b1c43382eec..99dac1aa972a 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -373,7 +373,7 @@ static int __crash_shrink_memory(struct resource *old_res,
old_res->start = 0;
old_res->end = 0;
} else {
- crashk_res.end = ram_res->... |
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