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authorDmitry Vyukov <dvyukov@google.com>2021-07-06 12:27:19 +0200
committerDmitry Vyukov <dvyukov@google.com>2021-07-06 13:26:46 +0200
commit22ff12bdbb3509fbf00cd979af4629b50aaff7a3 (patch)
tree8bca828bde1c003c8c1975f16e71716de6a959b0 /dashboard/config/linux
parent9cac178ab43e4a07f6ba76c029a02417fe5f55c8 (diff)
dashboard/config/linux: increase printk buffer size
There is a number of one-off "BUG: stack guard page was hit" bugs: https://syzkaller.appspot.com/bug?extid=b9419ddbdb57ce0e7f36 https://syzkaller.appspot.com/bug?extid=1ea34900b9a6fb8526c4 https://syzkaller.appspot.com/bug?extid=cd2009ad04934b665765 https://syzkaller.appspot.com/bug?extid=4e1ccdc40f48e600d960 Most likely these have the same root cause (recursion via call_netdevice_notifiers), and we should attribute them to one of top frames as we do for stalls. But we can't do this because in all these cases the stack is truncated and ends with: Lost 408 message(s)! Lost 394 message(s)! Lost 519 message(s)! These messages come from kernel/printk/printk_safe.c and happen when a "safe" buffer overflows. Increasing CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT should help to get complete parsable stack traces. The default value is 13 (8K). The largest number of lost lines I found is 519 and the longest line in the stack trace is 67 bytes. So that's 67*519+8K = 42965. Increase the config to 16 (64K). There are 2 such buffers per CPU (safe and nmi), so this will increase memory consumption to 128K per CPU. Should be fine.
Diffstat (limited to 'dashboard/config/linux')
-rw-r--r--dashboard/config/linux/android-5.4-base.config2
-rw-r--r--dashboard/config/linux/android-5.4.config2
-rw-r--r--dashboard/config/linux/bits/base.yml3
-rw-r--r--dashboard/config/linux/chromeos-5.4-base.config2
-rw-r--r--dashboard/config/linux/chromeos-5.4.config2
-rw-r--r--dashboard/config/linux/stable-5.4-kasan-base.config2
-rw-r--r--dashboard/config/linux/stable-5.4-kasan.config2
-rw-r--r--dashboard/config/linux/upstream-apparmor-kasan-base.config2
-rw-r--r--dashboard/config/linux/upstream-apparmor-kasan.config2
-rw-r--r--dashboard/config/linux/upstream-arm-kasan-base.config2
-rw-r--r--dashboard/config/linux/upstream-arm-kasan.config2
-rw-r--r--dashboard/config/linux/upstream-arm64-kasan-base.config2
-rw-r--r--dashboard/config/linux/upstream-arm64-kasan.config2
-rw-r--r--dashboard/config/linux/upstream-arm64-mte-base.config2
-rw-r--r--dashboard/config/linux/upstream-arm64-mte.config2
-rw-r--r--dashboard/config/linux/upstream-kcsan.config2
-rw-r--r--dashboard/config/linux/upstream-kmsan-base.config2
-rw-r--r--dashboard/config/linux/upstream-kmsan.config2
-rw-r--r--dashboard/config/linux/upstream-leak-base.config2
-rw-r--r--dashboard/config/linux/upstream-leak.config2
-rw-r--r--dashboard/config/linux/upstream-riscv64-kasan-base.config2
-rw-r--r--dashboard/config/linux/upstream-riscv64-kasan.config2
-rw-r--r--dashboard/config/linux/upstream-s390-kasan-base.config2
-rw-r--r--dashboard/config/linux/upstream-s390-kasan.config2
-rw-r--r--dashboard/config/linux/upstream-selinux-kasan-base.config2
-rw-r--r--dashboard/config/linux/upstream-selinux-kasan.config2
-rw-r--r--dashboard/config/linux/upstream-smack-kasan-base.config2
-rw-r--r--dashboard/config/linux/upstream-smack-kasan.config2
-rw-r--r--dashboard/config/linux/upstream-usb-base.config2
-rw-r--r--dashboard/config/linux/upstream-usb.config2
30 files changed, 32 insertions, 29 deletions
diff --git a/dashboard/config/linux/android-5.4-base.config b/dashboard/config/linux/android-5.4-base.config
index 9cda8c565..8623b6652 100644
--- a/dashboard/config/linux/android-5.4-base.config
+++ b/dashboard/config/linux/android-5.4-base.config
@@ -136,7 +136,7 @@ CONFIG_IKCONFIG_PROC=y
CONFIG_IKHEADERS=y
CONFIG_LOG_BUF_SHIFT=17
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/android-5.4.config b/dashboard/config/linux/android-5.4.config
index fb6c87624..f0a617e33 100644
--- a/dashboard/config/linux/android-5.4.config
+++ b/dashboard/config/linux/android-5.4.config
@@ -136,7 +136,7 @@ CONFIG_IKCONFIG_PROC=y
CONFIG_IKHEADERS=y
CONFIG_LOG_BUF_SHIFT=17
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/bits/base.yml b/dashboard/config/linux/bits/base.yml
index 60e49bcb4..c0dad3a8b 100644
--- a/dashboard/config/linux/bits/base.yml
+++ b/dashboard/config/linux/bits/base.yml
@@ -120,6 +120,9 @@ config:
# Print thread and CPU ids.
- PRINTK_CALLER
- PRINTK_TIME
+ # Some kernel oops'es are large. Largest observed for a stack overflow is ~42KB.
+ # There are 2 such buffers per CPU (safe and nmi), so this adds 128KB per CPU.
+ - PRINTK_SAFE_LOG_BUF_SHIFT: 16
# Fault injection.
- FAULT_INJECTION
diff --git a/dashboard/config/linux/chromeos-5.4-base.config b/dashboard/config/linux/chromeos-5.4-base.config
index 84d3280eb..b075b7c0f 100644
--- a/dashboard/config/linux/chromeos-5.4-base.config
+++ b/dashboard/config/linux/chromeos-5.4-base.config
@@ -136,7 +136,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/chromeos-5.4.config b/dashboard/config/linux/chromeos-5.4.config
index c608e1b26..4ddc22482 100644
--- a/dashboard/config/linux/chromeos-5.4.config
+++ b/dashboard/config/linux/chromeos-5.4.config
@@ -136,7 +136,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/stable-5.4-kasan-base.config b/dashboard/config/linux/stable-5.4-kasan-base.config
index 88bb7a635..e69ec7a79 100644
--- a/dashboard/config/linux/stable-5.4-kasan-base.config
+++ b/dashboard/config/linux/stable-5.4-kasan-base.config
@@ -134,7 +134,7 @@ CONFIG_BUILD_BIN2C=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/stable-5.4-kasan.config b/dashboard/config/linux/stable-5.4-kasan.config
index 765d0a207..7565174ed 100644
--- a/dashboard/config/linux/stable-5.4-kasan.config
+++ b/dashboard/config/linux/stable-5.4-kasan.config
@@ -139,7 +139,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-apparmor-kasan-base.config b/dashboard/config/linux/upstream-apparmor-kasan-base.config
index 45f58a825..392fe87b3 100644
--- a/dashboard/config/linux/upstream-apparmor-kasan-base.config
+++ b/dashboard/config/linux/upstream-apparmor-kasan-base.config
@@ -157,7 +157,7 @@ CONFIG_BUILD_BIN2C=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-apparmor-kasan.config b/dashboard/config/linux/upstream-apparmor-kasan.config
index c53df62d8..f6cf3a697 100644
--- a/dashboard/config/linux/upstream-apparmor-kasan.config
+++ b/dashboard/config/linux/upstream-apparmor-kasan.config
@@ -173,7 +173,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-arm-kasan-base.config b/dashboard/config/linux/upstream-arm-kasan-base.config
index 23f72dbb8..f28b031ba 100644
--- a/dashboard/config/linux/upstream-arm-kasan-base.config
+++ b/dashboard/config/linux/upstream-arm-kasan-base.config
@@ -127,7 +127,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=14
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_GENERIC_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-arm-kasan.config b/dashboard/config/linux/upstream-arm-kasan.config
index 4fbc0b793..4f52457ed 100644
--- a/dashboard/config/linux/upstream-arm-kasan.config
+++ b/dashboard/config/linux/upstream-arm-kasan.config
@@ -139,7 +139,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_GENERIC_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-arm64-kasan-base.config b/dashboard/config/linux/upstream-arm64-kasan-base.config
index 847acc19b..7fa894f0a 100644
--- a/dashboard/config/linux/upstream-arm64-kasan-base.config
+++ b/dashboard/config/linux/upstream-arm64-kasan-base.config
@@ -131,7 +131,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=17
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_GENERIC_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-arm64-kasan.config b/dashboard/config/linux/upstream-arm64-kasan.config
index 1a9908760..6d5039ea8 100644
--- a/dashboard/config/linux/upstream-arm64-kasan.config
+++ b/dashboard/config/linux/upstream-arm64-kasan.config
@@ -133,7 +133,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_GENERIC_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-arm64-mte-base.config b/dashboard/config/linux/upstream-arm64-mte-base.config
index 84b5eb954..05f784583 100644
--- a/dashboard/config/linux/upstream-arm64-mte-base.config
+++ b/dashboard/config/linux/upstream-arm64-mte-base.config
@@ -127,7 +127,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=17
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_GENERIC_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-arm64-mte.config b/dashboard/config/linux/upstream-arm64-mte.config
index 23261c7cb..f62c0e234 100644
--- a/dashboard/config/linux/upstream-arm64-mte.config
+++ b/dashboard/config/linux/upstream-arm64-mte.config
@@ -129,7 +129,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_GENERIC_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-kcsan.config b/dashboard/config/linux/upstream-kcsan.config
index ee8828829..ef88142ea 100644
--- a/dashboard/config/linux/upstream-kcsan.config
+++ b/dashboard/config/linux/upstream-kcsan.config
@@ -139,7 +139,7 @@ CONFIG_RCU_NEED_SEGCBLIST=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-kmsan-base.config b/dashboard/config/linux/upstream-kmsan-base.config
index 21f4cc735..362480437 100644
--- a/dashboard/config/linux/upstream-kmsan-base.config
+++ b/dashboard/config/linux/upstream-kmsan-base.config
@@ -138,7 +138,7 @@ CONFIG_BUILD_BIN2C=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-kmsan.config b/dashboard/config/linux/upstream-kmsan.config
index 7a2562814..c08a3406a 100644
--- a/dashboard/config/linux/upstream-kmsan.config
+++ b/dashboard/config/linux/upstream-kmsan.config
@@ -143,7 +143,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-leak-base.config b/dashboard/config/linux/upstream-leak-base.config
index d8a08d019..e1793a81e 100644
--- a/dashboard/config/linux/upstream-leak-base.config
+++ b/dashboard/config/linux/upstream-leak-base.config
@@ -139,7 +139,7 @@ CONFIG_BUILD_BIN2C=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-leak.config b/dashboard/config/linux/upstream-leak.config
index 3261e902a..7f2f89223 100644
--- a/dashboard/config/linux/upstream-leak.config
+++ b/dashboard/config/linux/upstream-leak.config
@@ -149,7 +149,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-riscv64-kasan-base.config b/dashboard/config/linux/upstream-riscv64-kasan-base.config
index 58bd18499..2076e5b79 100644
--- a/dashboard/config/linux/upstream-riscv64-kasan-base.config
+++ b/dashboard/config/linux/upstream-riscv64-kasan-base.config
@@ -117,7 +117,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=17
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_GENERIC_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-riscv64-kasan.config b/dashboard/config/linux/upstream-riscv64-kasan.config
index 9f2b3546d..50e658d72 100644
--- a/dashboard/config/linux/upstream-riscv64-kasan.config
+++ b/dashboard/config/linux/upstream-riscv64-kasan.config
@@ -125,7 +125,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_GENERIC_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-s390-kasan-base.config b/dashboard/config/linux/upstream-s390-kasan-base.config
index 5bdd08f6c..5005aeb48 100644
--- a/dashboard/config/linux/upstream-s390-kasan-base.config
+++ b/dashboard/config/linux/upstream-s390-kasan-base.config
@@ -125,7 +125,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=17
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
#
# Scheduler features
diff --git a/dashboard/config/linux/upstream-s390-kasan.config b/dashboard/config/linux/upstream-s390-kasan.config
index b829407bf..5ea306ba9 100644
--- a/dashboard/config/linux/upstream-s390-kasan.config
+++ b/dashboard/config/linux/upstream-s390-kasan.config
@@ -129,7 +129,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
#
# Scheduler features
diff --git a/dashboard/config/linux/upstream-selinux-kasan-base.config b/dashboard/config/linux/upstream-selinux-kasan-base.config
index 72013d97a..6878eb379 100644
--- a/dashboard/config/linux/upstream-selinux-kasan-base.config
+++ b/dashboard/config/linux/upstream-selinux-kasan-base.config
@@ -157,7 +157,7 @@ CONFIG_BUILD_BIN2C=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-selinux-kasan.config b/dashboard/config/linux/upstream-selinux-kasan.config
index 41a59fe9d..eae886275 100644
--- a/dashboard/config/linux/upstream-selinux-kasan.config
+++ b/dashboard/config/linux/upstream-selinux-kasan.config
@@ -170,7 +170,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-smack-kasan-base.config b/dashboard/config/linux/upstream-smack-kasan-base.config
index fedf3863a..1de453b7f 100644
--- a/dashboard/config/linux/upstream-smack-kasan-base.config
+++ b/dashboard/config/linux/upstream-smack-kasan-base.config
@@ -158,7 +158,7 @@ CONFIG_BUILD_BIN2C=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-smack-kasan.config b/dashboard/config/linux/upstream-smack-kasan.config
index 0b18bf978..9f67e612c 100644
--- a/dashboard/config/linux/upstream-smack-kasan.config
+++ b/dashboard/config/linux/upstream-smack-kasan.config
@@ -174,7 +174,7 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-usb-base.config b/dashboard/config/linux/upstream-usb-base.config
index 47a3e5258..e32ffc528 100644
--- a/dashboard/config/linux/upstream-usb-base.config
+++ b/dashboard/config/linux/upstream-usb-base.config
@@ -144,7 +144,7 @@ CONFIG_BUILD_BIN2C=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#
diff --git a/dashboard/config/linux/upstream-usb.config b/dashboard/config/linux/upstream-usb.config
index 408fc2d8b..4c0db6457 100644
--- a/dashboard/config/linux/upstream-usb.config
+++ b/dashboard/config/linux/upstream-usb.config
@@ -144,7 +144,7 @@ CONFIG_BUILD_BIN2C=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=16
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
#