ci2 starts bisection 2023-01-20 05:56:04.543928794 +0000 UTC m=+38481.902981827
bisecting fixing commit since b850307b279cbd12ab8c654d1a3dfe55319cc475
building syzkaller on eabcced43245881efa7769d938bcaf795ed48742
ensuring issue is reproducible on original commit b850307b279cbd12ab8c654d1a3dfe55319cc475

testing commit b850307b279cbd12ab8c654d1a3dfe55319cc475 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3bad17920fb75deef82fc648bca87afef319ae02b16926e40236f78c199b440c
run #0: crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
run #1: crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
run #2: crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
run #3: crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
run #4: crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
run #5: crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
run #6: crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
run #7: crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
run #8: crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
run #9: crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
run #10: crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
run #11: crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 97205fccccdc5c145b77c434135ee8429b03ed98
testing commit 97205fccccdc5c145b77c434135ee8429b03ed98 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 83fef726230034e1866504feeb54c7e0f74ae1467d356cdad296f20afb8c5d2d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m52.049013258s (build: 14m48.97437723s, test: 12m28.506613244s)
the crash still happens on HEAD
commit msg: Linux 4.14.303
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1