bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 062c9832a6cdb39bf38ad7a6dad51300a2e9a734
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8bb490a65f202bb3d33486df009c27e4b91b7def83127ef2375b4e1c57f7f44b
run #0: crashed: KASAN: slab-out-of-bounds 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: 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: 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: 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: slab-out-of-bounds Read in perf_output_read
run #13: crashed: BUG: soft lockup in __perf_sw_event
run #14: crashed: KASAN: slab-out-of-bounds Read in perf_output_read
run #15: crashed: KASAN: use-after-free Read in perf_output_read
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 690285a9380d183e6d286d90e458fa7c3f97eca2
testing commit 690285a9380d183e6d286d90e458fa7c3f97eca2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 42c139fa46ec5e46fd115d406d522fc77f96dbf9d6e13d8852a3fa18fdb8e8df
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 43m4.34969413s (build: 27m45.567234523s, test: 14m0.03919632s)
the crash still happens on HEAD
commit msg: Linux 4.14.279
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout