ci2 starts bisection 2022-10-15 02:31:09.888845342 +0000 UTC m=+18948.123456862 bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67 building syzkaller on 062c9832a6cdb39bf38ad7a6dad51300a2e9a734 ensuring issue is reproducible on original commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 6f80a838c2d02cabc49b4bd7f42a8c67d79cddd829bd248c29a034d185291347 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: 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: 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: 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: BUG: soft lockup in __perf_sw_event run #15: crashed: BUG: soft lockup in __perf_sw_event run #16: crashed: KASAN: slab-out-of-bounds 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 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 5cbd6a50e897deb42d8a73555edf2e53eba9dca8164814ad6c5d5156da9c5fdd all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 29m44.56605082s (build: 14m42.00890023s, test: 14m27.697770384s) the crash still happens on HEAD commit msg: Linux 4.14.295 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout