bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 062c9832a6cdb39bf38ad7a6dad51300a2e9a734
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fdbd3d923de4eb0375f6c604d18f271441d25c11f266bd6c8ba55de4dcc1a87c
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: use-after-free Read in perf_output_read
run #3: crashed: KASAN: use-after-free Read in perf_output_read
run #4: crashed: BUG: soft lockup in __perf_sw_event
run #5: crashed: KASAN: use-after-free Read in perf_output_read
run #6: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #7: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #8: crashed: KASAN: use-after-free Read in perf_output_read
run #9: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #10: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #11: crashed: BUG: soft lockup in __perf_sw_event
run #12: crashed: BUG: soft lockup in __perf_sw_event
run #13: crashed: KASAN: use-after-free Read in perf_output_read
run #14: crashed: BUG: soft lockup in __perf_sw_event
run #15: crashed: general protection fault in perf_output_read
run #16: crashed: KASAN: use-after-free Read in perf_output_read
run #17: crashed: BUG: soft lockup in __perf_sw_event
run #18: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #19: crashed: general protection fault in perf_output_read
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 09b0d593e0c6c1aa6f5cbe25f504e92700514203c504637e4ce80b87d0314575
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 38m8.606984025s (build: 22m29.180441369s, test: 14m58.266657824s)
the crash still happens on HEAD
commit msg: Linux 4.14.255
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout