bisecting fixing commit since 27ce4f2a6817e38ca74c643d47a96359f6cc0c1c
building syzkaller on 1bf9a662c66aa432ff2fe3bf2562578cef626c09
testing commit 27ce4f2a6817e38ca74c643d47a96359f6cc0c1c with gcc (GCC) 8.4.1 20210217
kernel signature: 73b12a1b2283e2cb6f8d7d98d4205b18089cf08e4f2c7c8db35ad8563d88eb39
run #0: crashed: KASAN: use-after-free Read in padata_do_parallel
run #1: crashed: KASAN: use-after-free Write in padata_parallel_worker
run #2: crashed: KASAN: use-after-free Read in padata_do_parallel
run #3: crashed: KASAN: use-after-free Write in padata_parallel_worker
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in pcrypt_aead_serial
run #5: crashed: KASAN: use-after-free Write in padata_parallel_worker
run #6: crashed: KASAN: use-after-free Read in padata_do_parallel
run #7: crashed: KASAN: use-after-free Write in padata_parallel_worker
run #8: crashed: KASAN: use-after-free Read in padata_do_parallel
run #9: crashed: KASAN: use-after-free Write in padata_parallel_worker
run #10: crashed: KASAN: use-after-free Read in padata_do_parallel
run #11: crashed: KASAN: use-after-free Read in padata_do_parallel
run #12: crashed: KASAN: use-after-free Write in padata_parallel_worker
run #13: crashed: BUG: unable to handle kernel NULL pointer dereference in pcrypt_aead_serial
run #14: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
run #15: crashed: KASAN: use-after-free Write in padata_parallel_worker
run #16: crashed: KASAN: use-after-free Read in padata_do_parallel
run #17: crashed: KASAN: use-after-free Read in padata_do_parallel
run #18: crashed: KASAN: use-after-free Read in padata_do_parallel
run #19: crashed: BUG: unable to handle kernel NULL pointer dereference in pcrypt_aead_serial
testing current HEAD 4e68c9b0763ff55eaa69d6e519f07515f1c9037b
testing commit 4e68c9b0763ff55eaa69d6e519f07515f1c9037b with gcc (GCC) 8.4.1 20210217
kernel signature: 0030faa203e9c86392f3989046ac5d8a31036ca509876779a8c05cd14e5c4d58
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m6.206380838s (build: 15m11.892318795s, test: 6m24.864824127s)
the crash still happens on HEAD
commit msg: Linux 4.14.239
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
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: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout