Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts.
2019/03/23 08:44:18 parsed 1 programs
2019/03/23 08:44:18 executed programs: 0
login: Kernel page fault with the following non-sleepable locks held:
shared rw TCP ID tree (TCP ID tree) r = 0 (0xffffffff828c3be0) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_log_buf.c:636
stack backtrace:
#0 0xffffffff8110b9fe at witness_debugger+0x8e
#1 0xffffffff8110d080 at witness_warn+0x640
#2 0xffffffff817156e0 at trap_pfault+0x80
#3 0xffffffff8171464d at trap+0x44d
#4 0xffffffff816de215 at calltrap+0x8
#5 0xffffffff8139a8c9 at tcp_log_set_id+0x819
#6 0xffffffff813c23a4 at tcp_default_ctloutput+0x13a4
#7 0xffffffff813c0b1f at tcp_ctloutput+0x30f
#8 0xffffffff8115a291 at sosetopt+0x101
#9 0xffffffff811628f8 at kern_setsockopt+0x158
#10 0xffffffff81162793 at sys_setsockopt+0x33
#11 0xffffffff81716846 at amd64_syscall+0x436
#12 0xffffffff816deafd at fast_syscall_common+0x101


Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x80
fault code		= supervisor read data  , page not present
instruction pointer	= 0x20:0xffffffff8103c6f9
stack pointer	        = 0x28:0xfffffe002126d5e0
frame pointer	        = 0x28:0xfffffe002126d610
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 772 (syz-executor.0)
trap number		= 12
panic: page fault
cpuid = 1
time = 1553330658
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002126d240
vpanic() at vpanic+0x1e0/frame 0xfffffe002126d2a0
panic() at panic+0x43/frame 0xfffffe002126d300
trap_fatal() at trap_fatal+0x4c6/frame 0xfffffe002126d380
trap_pfault() at trap_pfault+0x9f/frame 0xfffffe002126d3f0
trap() at trap+0x44d/frame 0xfffffe002126d510
calltrap() at calltrap+0x8/frame 0xfffffe002126d510
--- trap 0xc, rip = 0xffffffff8103c6f9, rsp = 0xfffffe002126d5e0, rbp = 0xfffffe002126d610 ---
__mtx_assert() at __mtx_assert+0xb9/frame 0xfffffe002126d610
tcp_log_set_id() at tcp_log_set_id+0x819/frame 0xfffffe002126d680
tcp_default_ctloutput() at tcp_default_ctloutput+0x13a4/frame 0xfffffe002126d7d0
tcp_ctloutput() at tcp_ctloutput+0x30f/frame 0xfffffe002126d850
sosetopt() at sosetopt+0x101/frame 0xfffffe002126d8d0
kern_setsockopt() at kern_setsockopt+0x158/frame 0xfffffe002126d950
sys_setsockopt() at sys_setsockopt+0x33/frame 0xfffffe002126d980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe002126dab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002126dab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x412e7a, rsp = 0x7fffdffdcf38, rbp = 0x5 ---
KDB: enter: panic
[ thread pid 772 tid 100118 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why