bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 062c9832a6cdb39bf38ad7a6dad51300a2e9a734
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ee148aaf88a2a71d2b54136beaae34114de18d48ab1d2a50508316719c059c3a
run #0: crashed: KASAN: use-after-free Read in perf_output_read
run #1: crashed: KASAN: use-after-free Read in perf_output_read
run #2: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #3: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #4: crashed: KASAN: use-after-free Read in perf_output_read
run #5: crashed: KASAN: use-after-free Read in perf_output_read
run #6: crashed: KASAN: use-after-free Read in perf_output_read
run #7: crashed: KASAN: use-after-free Read in perf_output_read
run #8: crashed: BUG: soft lockup in __perf_sw_event
run #9: crashed: KASAN: use-after-free Read in perf_output_read
run #10: crashed: KASAN: use-after-free Read in perf_output_read
run #11: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #12: crashed: KASAN: use-after-free Read in perf_output_read
run #13: crashed: KASAN: use-after-free Read in perf_output_read
run #14: crashed: KASAN: use-after-free Read in perf_output_read
run #15: crashed: BUG: soft lockup in __perf_sw_event
run #16: crashed: KASAN: use-after-free Read in perf_output_read
run #17: crashed: KASAN: use-after-free Read in perf_output_read
run #18: crashed: KASAN: use-after-free Read in perf_output_read
run #19: crashed: KASAN: use-after-free Read in perf_output_read
testing current HEAD eb045674aab31aa55a4f9aec27cce36e3d946a21
testing commit eb045674aab31aa55a4f9aec27cce36e3d946a21
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a5a5c3dec37c9185c9d595bd222bcd1cc285a7b12b6ffeb506c051f88e295df5
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 33m48.169696539s (build: 18m54.124668589s, test: 14m18.529302142s)
the crash still happens on HEAD
commit msg: Linux 4.14.272
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout