ci2 starts bisection 2022-10-27 15:08:18.04275311 +0000 UTC m=+10286.364534466
bisecting fixing commit since f4cc0ed9b2c72687303b035379c5824a02224354
building syzkaller on 7509bf360eba1461ac6059e4cacfbc29c9d2d4c7
ensuring issue is reproducible on original commit f4cc0ed9b2c72687303b035379c5824a02224354

testing commit f4cc0ed9b2c72687303b035379c5824a02224354 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3c8a1a8a33e4f194dfc9bfddb5b2b5b9424000afe72fae08d2bf6b939a6ae00a
run #0: crashed: BUG: soft lockup in corrupted
run #1: crashed: BUG: soft lockup in corrupted
run #2: crashed: BUG: soft lockup in ext4_file_write_iter
run #3: crashed: BUG: soft lockup in corrupted
run #4: crashed: BUG: soft lockup in sendfile64
run #5: crashed: BUG: soft lockup in corrupted
run #6: crashed: BUG: soft lockup in corrupted
run #7: crashed: BUG: soft lockup in corrupted
run #8: crashed: BUG: soft lockup in ext4_file_write_iter
run #9: crashed: BUG: soft lockup in corrupted
run #10: crashed: BUG: soft lockup in corrupted
run #11: crashed: BUG: soft lockup in corrupted
run #12: crashed: BUG: soft lockup in corrupted
run #13: crashed: BUG: soft lockup in sendfile64
run #14: crashed: BUG: soft lockup in corrupted
run #15: crashed: BUG: soft lockup in ext4_file_write_iter
run #16: crashed: BUG: soft lockup in corrupted
run #17: crashed: BUG: soft lockup in sendfile64
run #18: crashed: BUG: soft lockup in corrupted
run #19: crashed: BUG: soft lockup in corrupted
testing current HEAD 41f36d7859a79e11a13ef63ced8ae8cc31537ba2
testing commit 41f36d7859a79e11a13ef63ced8ae8cc31537ba2 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: dc1e89d002be5fcbc84a26c02815a6af9a30b52f78c13a6d411e9ae772ded9b9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m57.745607883s (build: 16m16.198066763s, test: 6m58.0281824s)
the crash still happens on HEAD
commit msg: Linux 4.14.296
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1