reproduce:
lzto@objd ~ $ ~/linux/tools/perf/perf record -I -e intel_pt/tsc=1,noretcomp=1/u /bin/ls
lzto@objd ~ $ ~/linux/tools/perf/perf script -F event,comm,pid,tid,time,addr,ip,sym,dso,iregs
Segmentation fault
lzto@objd ~ $
Upon further investigation, it seems that
commit 747a9b0a08ae ("Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip")
breaks perf tool.
__list_del(): tools/include/linux/list.h does not check null pointer dereference