Yunseong Kim yskelg
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yskelg
/ kprobe_insn_boundary-stall.txt
Created
June 27, 2024 03:48
scripts/decode_stacktrace.sh /usr/lib/debug/boot/vmlinux-6.8.0-36-generic $HOME/linux-source-6.8.0 < kprobe_insn_boundary-stall.txt
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| rcu: INFO: rcu_sched detected stalls on CPUs/tasks:s: | |
| rcu: | |
| (detected by 0, t=6002 jiffies, g=24353, q=1 ncpus=1)1) | |
| rcu: All QSes seen, last rcu_sched kthread activity 6002 (4294978930-4294972928), jiffies_till_next_fqs=1, root ->qsmask 0x0x0 | |
| rcu: rcu_sched kthread starved for 6002 jiffies! g24353 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0=0 | |
| rcu: | |
| Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior.r. | |
| rcu: RCU grace-period kthread stack dump:p: | |
| task:rcu_sched state:R running task stack:0 pid:16 tgid:16 ppid:2 flags:0x0000000000 | |
| Call Trace:e: |
yskelg
/ qdisc-null-ptr-deref.c
Last active
June 21, 2024 16:06
Yun Levi and I submit the Linux kernel patch for fixing the NULL pointer dereference that can occur in perf trace events when using the veth and Bluetooth device. It's twice as fun working on it together! 💪 😎 😎 👍 kernel mailing list: https://lore.kernel.org/all/20240621114551.2061-3-yskelg@gmail.com/ bugzilla: https://bugzilla.redhat.com/show_bu…
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| // autogenerated by syzkaller (https://github.com/google/syzkaller) | |
| #define _GNU_SOURCE | |
| #include <endian.h> | |
| #include <stdint.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #include <sys/syscall.h> |