Warning: Permanently added '10.128.0.130' (ECDSA) to the list of known hosts.
2019/09/26 13:02:42 parsed 1 programs
2019/09/26 13:02:42 executed programs: 0
Kernel page fault with the following non-sleepable locks held:
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff800128dbe68) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:6579
stack backtrace:
#0 0xffffffff81106f8e at witness_debugger+0x8e
#1 0xffffffff81108780 at witness_warn+0x640
#2 0xffffffff81889ef0 at trap_pfault+0x80
#3 0xffffffff81888e4b at trap+0x44b
#4 0xffffffff8184f7ec at calltrap+0x8
#5 0xffffffff8102d797 at __mtx_lock_flags+0x157
#6 0xffffffff81372eff at sctp_setopt+0x128f
#7 0xffffffff81371bd4 at sctp_ctloutput+0x214
#8 0xffffffff811571a1 at sosetopt+0x101
#9 0xffffffff8115fe2f at kern_setsockopt+0x14f
#10 0xffffffff8115fcd3 at sys_setsockopt+0x33
#11 0xffffffff8194a61a at ia32_syscall+0x46a
#12 0xffffffff8185095f at int0x80_syscall_common+0x9c


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x418
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff8102d9db
stack pointer	        = 0x0:0xfffffe00246c7680
frame pointer	        = 0x0:0xfffffe00246c7710
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		= 1144 (syz-executor.0)
trap number		= 12
panic: page fault
cpuid = 1
time = 1569502964
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00246c72e0
vpanic() at vpanic+0x1e0/frame 0xfffffe00246c7340
panic() at panic+0x43/frame 0xfffffe00246c73a0
trap_fatal() at trap_fatal+0x4de/frame 0xfffffe00246c7420
trap_pfault() at trap_pfault+0x9f/frame 0xfffffe00246c7490
trap() at trap+0x44b/frame 0xfffffe00246c75b0
calltrap() at calltrap+0x8/frame 0xfffffe00246c75b0
--- trap 0xc, rip = 0xffffffff8102d9db, rsp = 0xfffffe00246c7680, rbp = 0xfffffe00246c7710 ---
__mtx_lock_sleep() at __mtx_lock_sleep+0x17b/frame 0xfffffe00246c7710
__mtx_lock_flags() at __mtx_lock_flags+0x157/frame 0xfffffe00246c7770
sctp_setopt() at sctp_setopt+0x128f/frame 0xfffffe00246c7800
sctp_ctloutput() at sctp_ctloutput+0x214/frame 0xfffffe00246c7840
sosetopt() at sosetopt+0x101/frame 0xfffffe00246c78c0
kern_setsockopt() at kern_setsockopt+0x14f/frame 0xfffffe00246c7940
sys_setsockopt() at sys_setsockopt+0x33/frame 0xfffffe00246c7970
ia32_syscall() at ia32_syscall+0x46a/frame 0xfffffe00246c7ab0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x814121c
KDB: enter: panic
[ thread pid 1144 tid 100829 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why