ci2 starts bisection 2023-02-12 00:50:27.376825487 +0000 UTC m=+89570.794352574
bisecting fixing commit since b7b275e60bcd5f89771e865a8239325f86d9927d
building syzkaller on 247de55b7ea6f9f235a407518b10c1496c8b25b3
ensuring issue is reproducible on original commit b7b275e60bcd5f89771e865a8239325f86d9927d

testing commit b7b275e60bcd5f89771e865a8239325f86d9927d gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b2a28863a2597bf534951f27087774f5602a0eac97f9c40237a02627c6ffe126
all runs: crashed: WARNING in btrfs_free_reserved_data_space_noquota
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: 2f5a1de606729c8f1d0def92a37f6bdb7d04cf3a62f689a8410e3a0ec2d9e0ac
run #0: crashed: unregister_netdevice: waiting for DEV to become free
run #1: crashed: INFO: trying to register non-static key in copy_net_ns
run #2: crashed: unregister_netdevice: waiting for DEV to become free
run #3: crashed: unregister_netdevice: waiting for DEV to become free
run #4: crashed: unregister_netdevice: waiting for DEV to become free
run #5: crashed: unregister_netdevice: waiting for DEV to become free
run #6: crashed: unregister_netdevice: waiting for DEV to become free
run #7: crashed: unregister_netdevice: waiting for DEV to become free
run #8: crashed: unregister_netdevice: waiting for DEV to become free
run #9: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 40m32.11670292s (build: 29m27.780249377s, test: 8m35.65341171s)
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+0x1213/0x15e0
 register_netdev+0x20/0x30
 loopback_net_init+0x6e/0x110
 ops_init+0x195/0x4c0
 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