bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3c028bcf4047b7f84a854be44b84a8f4325fb2378df274f8558137c65cbdbcb2
run #0: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #1: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #2: crashed: KASAN: use-after-free Read in bit_putcs
run #3: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #4: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #5: crashed: KASAN: slab-out-of-bounds Read in soft_cursor
run #6: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #7: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #8: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #9: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #10: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #11: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #12: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #13: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #14: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #15: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #16: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #17: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #18: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #19: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
testing current HEAD 8034e99d1a010a795b979582c0b2370584d8abf4
testing commit 8034e99d1a010a795b979582c0b2370584d8abf4
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 34c396d479fe67313bc578bcafb97de50af1d242a635072357f64cd2dcec9fcd
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 33m54.512184872s (build: 26m42.376836721s, test: 6m23.944430358s)
the crash still happens on HEAD
commit msg: Linux 4.14.266
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout