bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 062c9832a6cdb39bf38ad7a6dad51300a2e9a734
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 061c91febc3a5673d9cea456f906d5368e3763569cb2ba76837615767cb88201
run #0: crashed: KASAN: use-after-free Read in perf_output_read
run #1: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #2: crashed: KASAN: use-after-free Read in perf_output_read
run #3: crashed: KASAN: use-after-free Read in perf_output_read
run #4: crashed: KASAN: use-after-free Read in perf_output_read
run #5: crashed: general protection fault 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: KASAN: use-after-free Read in perf_output_read
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: use-after-free 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: KASAN: use-after-free Read in perf_output_read
run #16: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #17: crashed: BUG: soft lockup in __perf_sw_event
run #18: crashed: BUG: soft lockup in __perf_sw_event
run #19: crashed: KASAN: use-after-free Read in perf_output_read
testing current HEAD f96eb53cbd76415edfba99c2cfa88567a885a428
testing commit f96eb53cbd76415edfba99c2cfa88567a885a428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: afa64d3d85cd1ae187e1a67c74f015a54a8d27984c51030f7ffd2a2b83796f97
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m9.396580302s (build: 15m57.647800364s, test: 14m28.898541732s)
the crash still happens on HEAD
commit msg: Linux 4.14.246
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout