Warning: Permanently added '10.128.10.34' (ECDSA) to the list of known hosts.
2019/10/09 03:22:31 fuzzer started
2019/10/09 03:22:31 dialing manager at 10.128.0.248:59871
2019/10/09 03:22:31 syscalls: 496
2019/10/09 03:22:31 code coverage: enabled
2019/10/09 03:22:31 comparison tracing: enabled
2019/10/09 03:22:31 extra coverage: support is not implemented in syzkaller
2019/10/09 03:22:31 setuid sandbox: support is not implemented in syzkaller
2019/10/09 03:22:31 namespace sandbox: support is not implemented in syzkaller
2019/10/09 03:22:31 Android sandbox: support is not implemented in syzkaller
2019/10/09 03:22:31 fault injection: support is not implemented in syzkaller
2019/10/09 03:22:31 leak checking: support is not implemented in syzkaller
2019/10/09 03:22:31 net packet injection: enabled
2019/10/09 03:22:31 net device setup: support is not implemented in syzkaller
2019/10/09 03:22:31 concurrency sanitizer: support is not implemented in syzkaller
03:22:31 executing program 0:
r0 = socket$inet6_tcp(0x1c, 0x1, 0x0)
listen(r0, 0x0)
poll(&(0x7f00000000c0)=[{r0}], 0x1, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff2840029e}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000100)={{0xffffffff284002c9}})
__semctl$SEM_STAT(0x0, 0x0, 0xa, 0x0)

03:22:31 executing program 1:
pipe2(&(0x7f0000000100)={<r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f0000000180)=[{}, {}, {r0}], 0x3, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0x284002cf}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002cb}})

03:22:31 executing program 2:
poll(&(0x7f0000000180)=[{}, {}, {}], 0x3, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002cb}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029b}})

03:22:31 executing program 3:
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
connect$inet(r0, &(0x7f0000000200)={0x10, 0x2, 0x0, @remote}, 0x10)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000600)={{0xffffffff2840029f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000480)={{0xffffffff28400299}})

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570591352
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00227fd5b0
vpanic() at vpanic+0x1e0/frame 0xfffffe00227fd610
panic() at panic+0x43/frame 0xfffffe00227fd670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00227fd6e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe00227fd770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe00227fd840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00227fd8b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe00227fd980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe00227fdab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00227fdab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 764 tid 100071 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why