bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694 building syzkaller on c0ced5570c6505a80235b64884c93e89733b77f3 testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 053b4e178300ff1e118e9c5706de5757c75cac036d0cd977a6fae1a4796fe63f run #0: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #1: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #2: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #3: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #4: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #5: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #6: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #7: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #8: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #9: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #10: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #11: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #12: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #13: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #14: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #15: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #16: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data run #17: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #18: crashed: KASAN: use-after-free Write in ext4_write_inline_data run #19: crashed: KASAN: slab-out-of-bounds Write in ext4_write_inline_data testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542 testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 35bcba21e09a7fac5b2963bbec709993f46dc78693536837c005e62f5c3136f4 all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 24m11.20805007s (build: 15m41.044248839s, test: 8m5.484594356s) the crash still happens on HEAD commit msg: Linux 4.14.262 crash: unregister_netdevice: waiting for DEV to become free Bluetooth: hci1 command 0x0409 tx timeout Bluetooth: hci4 command 0x0409 tx timeout Bluetooth: hci3 command 0x0409 tx timeout Bluetooth: hci2 command 0x0409 tx timeout Bluetooth: hci0 command 0x0409 tx timeout unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Bluetooth: hci5 command 0x041b tx timeout Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci2 command 0x041b tx timeout Bluetooth: hci3 command 0x041b tx timeout Bluetooth: hci4 command 0x041b tx timeout Bluetooth: hci1 command 0x041b tx timeout Bluetooth: hci1 command 0x040f tx timeout Bluetooth: hci4 command 0x040f tx timeout Bluetooth: hci3 command 0x040f tx timeout Bluetooth: hci2 command 0x040f tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci5 command 0x040f tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout