ci starts bisection 2023-02-12 19:11:59.374155458 +0000 UTC m=+144736.844046807
bisecting fixing commit since a689b938df39ab513026c53fb7011fd7cd594943
building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d
ensuring issue is reproducible on original commit a689b938df39ab513026c53fb7011fd7cd594943

testing commit a689b938df39ab513026c53fb7011fd7cd594943 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: bd0fdec8cd77071d72c47b0e3a2afeda94d111be0824356bd6eab461a4c96203
all runs: crashed: KASAN: use-after-free Read in io_wq_worker_running
testing current HEAD f339c2597ebb00e738f2b6328c14804ed19f5d57
testing commit f339c2597ebb00e738f2b6328c14804ed19f5d57 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8ba19095392ad2851d83c3c8b5259b735d13553f1a47a3e74baddea242d7ceda
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 32m26.577308769s (build: 18m31.041306548s, test: 13m17.087883002s)
the crash still happens on HEAD
commit msg: Merge tag 'spi-fix-v6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for lo to become free. Usage count = 2
leaked reference.
 ipv6_add_dev+0x345/0xec0
 addrconf_notify+0x47c/0xce0
 raw_notifier_call_chain+0xc8/0x100
 call_netdevice_notifiers+0x107/0x160
 register_netdevice+0x121d/0x15a0
 register_netdev+0x20/0x30
 loopback_net_init+0x6e/0x110
 ops_init+0x195/0x4e0
 setup_net+0x64d/0xd70
 copy_net_ns+0x29f/0x4a0
 create_new_namespaces+0x381/0x650
 unshare_nsproxy_namespaces+0xd6/0x110
 ksys_unshare+0x3db/0x820
 __x64_sys_unshare+0x33/0x40
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd