bisecting fixing commit since 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc
building syzkaller on 838e7e2cd9228583ca33c49a39aea4d863d3e36d
testing commit 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 73d8aa11e47d71cf9242913b10f4100fd0ed6e1c83357c356b4d35f73c6b965c
run #0: crashed: INFO: rcu detected stall in sys_socket
run #1: crashed: INFO: rcu detected stall in sys_openat
run #2: crashed: BUG: soft lockup in smp_call_function
run #3: crashed: INFO: rcu detected stall in linkwatch_event
run #4: crashed: no output from test machine
run #5: crashed: no output from test machine
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing current HEAD 2a987e65025e2b79c6d453b78cb5985ac6e5eb26
testing commit 2a987e65025e2b79c6d453b78cb5985ac6e5eb26
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 61fdc92078e3cc0caa373ef7b04ae615751e7a785944cf52e5ee66c5a95f93d8
run #0: crashed: BUG: soft lockup in smp_call_function
run #1: crashed: no output from test machine
run #2: crashed: no output from test machine
run #3: crashed: no output from test machine
run #4: crashed: no output from test machine
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
Reproducer flagged being flaky
revisions tested: 2, total time: 38m14.555448935s (build: 12m44.880193869s, test: 24m43.955025851s)
the crash still happens on HEAD
commit msg: Merge tag 'perf-tools-fixes-for-v5.16-2021-12-07' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
crash: no output from test machine