ci2 starts bisection 2023-02-11 03:23:58.526091362 +0000 UTC m=+12381.943618455
bisecting fixing commit since 1b929c02afd37871d5afb9d498426f83432e71c2
building syzkaller on 44712fbc6b687170984c3562336a415b56d82607
ensuring issue is reproducible on original commit 1b929c02afd37871d5afb9d498426f83432e71c2

testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 513fbcdd2ede4bc55c673c44d39bd5a43e18bcdbfc00e89f629e15348bab3a43
all runs: crashed: INFO: task hung in __get_metapage
testing current HEAD 420b2d431d18a2572c8e86579e78105cb5ed45b0
testing commit 420b2d431d18a2572c8e86579e78105cb5ed45b0 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: cb6ec147ff3644a75b0178ebec4a4c5a82ffae8b574a80812d3e82bdb0bed91f
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: INFO: trying to register non-static key in copy_net_ns
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: 58m57.101566949s (build: 44m16.136323492s, test: 11m32.051745719s)
the crash still happens on HEAD
commit msg: Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
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