Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts.
2019/10/09 07:51:40 fuzzer started
2019/10/09 07:51:40 dialing manager at 10.128.0.248:59871
2019/10/09 07:51:40 syscalls: 496
2019/10/09 07:51:40 code coverage: enabled
2019/10/09 07:51:40 comparison tracing: enabled
2019/10/09 07:51:40 extra coverage: support is not implemented in syzkaller
2019/10/09 07:51:40 setuid sandbox: support is not implemented in syzkaller
2019/10/09 07:51:40 namespace sandbox: support is not implemented in syzkaller
2019/10/09 07:51:40 Android sandbox: support is not implemented in syzkaller
2019/10/09 07:51:40 fault injection: support is not implemented in syzkaller
2019/10/09 07:51:40 leak checking: support is not implemented in syzkaller
2019/10/09 07:51:40 net packet injection: enabled
2019/10/09 07:51:40 net device setup: support is not implemented in syzkaller
2019/10/09 07:51:40 concurrency sanitizer: support is not implemented in syzkaller
07:51:40 executing program 0:
r0 = open$dir(&(0x7f00000001c0)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029c}})

07:51:40 executing program 1:
poll(0x0, 0x0, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002ca}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000240)={{0xffffffff2840002d}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029c}})
getsockopt$inet_sctp_SCTP_EVENT(0xffffffffffffffff, 0x84, 0x1e, 0x0, 0x0)

07:51:40 executing program 2:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
poll(&(0x7f0000000140)=[{}, {}, {}, {}, {r0}], 0x5, 0xca)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000480)={{0x284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002cb}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0x2840029d}})

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570607500
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002429f5b0
vpanic() at vpanic+0x1e0/frame 0xfffffe002429f610
panic() at panic+0x43/frame 0xfffffe002429f670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe002429f6e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe002429f770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe002429f840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe002429f8b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe002429f980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe002429fab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002429fab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 761 tid 100097 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why