ci starts bisection 2023-02-10 23:58:25.501400014 +0000 UTC m=+33769.173191702
bisecting fixing commit since a335366bad1364a07f49df9da1fdfa6d411a5f39
building syzkaller on dd9a85ff356d74a765888403f1b70faece9e642b
ensuring issue is reproducible on original commit a335366bad1364a07f49df9da1fdfa6d411a5f39

testing commit a335366bad1364a07f49df9da1fdfa6d411a5f39 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ae329a70bcff1191a9c75fae9fd157fb0061a306ba5a74b8d144f514f6bed8d8
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM
run #1: crashed: possible deadlock in bpf_trace_printk
run #2: crashed: possible deadlock in bpf_trace_printk
run #3: crashed: possible deadlock in bpf_trace_printk
run #4: crashed: possible deadlock in bpf_trace_printk
run #5: crashed: possible deadlock in bpf_trace_printk
run #6: crashed: possible deadlock in bpf_trace_printk
run #7: crashed: possible deadlock in bpf_trace_printk
run #8: crashed: possible deadlock in bpf_trace_printk
run #9: crashed: possible deadlock in bpf_trace_printk
run #10: crashed: possible deadlock in bpf_trace_printk
run #11: crashed: possible deadlock in bpf_trace_printk
run #12: crashed: possible deadlock in bpf_trace_printk
run #13: crashed: possible deadlock in bpf_trace_printk
run #14: crashed: possible deadlock in bpf_trace_printk
run #15: crashed: possible deadlock in bpf_trace_printk
run #16: crashed: possible deadlock in bpf_trace_printk
run #17: crashed: possible deadlock in bpf_trace_printk
run #18: crashed: possible deadlock in bpf_trace_printk
run #19: crashed: possible deadlock in bpf_trace_printk
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: c5a4c21b9ab04639c357e72d2e1fe19a54ae18b9ea699297c49df0e47ab85bcf
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
run #1: crashed: unregister_netdevice: waiting for DEV to become free
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: 25m43.023022875s (build: 16m40.166507s, test: 8m21.816035642s)
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+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