bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67 building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463 testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 451b77ec9f6a63a3c96272561d1c7510dc2f2cb2ddfb107117bf9ca3694f76c2 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: slab-out-of-bounds 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 bit_putcs run #6: crashed: KASAN: slab-out-of-bounds Read in soft_cursor run #7: crashed: KASAN: slab-out-of-bounds Read in soft_cursor 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 soft_cursor 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 4ba8e26127c393c32776dff6d79c5b82de6dc542 testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 1a6f26e054483be331d271f374021c14f7257910293fcd61cf3c8340b3c7ec01 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 30m31.024723047s (build: 23m9.71375263s, test: 6m46.888882016s) the crash still happens on HEAD commit msg: Linux 4.14.262 crash: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci5 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout