Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts. 2019/10/09 09:05:14 fuzzer started 2019/10/09 09:05:14 dialing manager at 10.128.0.248:59871 2019/10/09 09:05:14 syscalls: 496 2019/10/09 09:05:14 code coverage: enabled 2019/10/09 09:05:14 comparison tracing: enabled 2019/10/09 09:05:14 extra coverage: support is not implemented in syzkaller 2019/10/09 09:05:14 setuid sandbox: support is not implemented in syzkaller 2019/10/09 09:05:14 namespace sandbox: support is not implemented in syzkaller 2019/10/09 09:05:14 Android sandbox: support is not implemented in syzkaller 2019/10/09 09:05:14 fault injection: support is not implemented in syzkaller 2019/10/09 09:05:14 leak checking: support is not implemented in syzkaller 2019/10/09 09:05:14 net packet injection: enabled 2019/10/09 09:05:14 net device setup: support is not implemented in syzkaller 2019/10/09 09:05:14 concurrency sanitizer: support is not implemented in syzkaller 09:05:14 executing program 0: poll(&(0x7f0000000240)=[{}, {}], 0x2, 0x81) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a1}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff2840029e}}) 09:05:14 executing program 1: mkdir(&(0x7f0000000140)='./file1\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x0, 0x0) close(r0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)) sendto$inet6(r0, &(0x7f0000000000), 0x40c94175734a78a9, 0x0, 0x0, 0x107) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff2840029c}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000100)={{0xffffffff2840029b}}) 09:05:14 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) recvmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f0000000040)=""/47, 0x2f}, {0x0}], 0x2, 0x0}, 0x0) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xffffffff284002a5}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff284002a3}}) login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827 cpuid = 1 time = 1570611914 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a3d5b0 vpanic() at vpanic+0x1e0/frame 0xfffffe0022a3d610 panic() at panic+0x43/frame 0xfffffe0022a3d670 if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a3d6e0 ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a3d770 ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a3d840 kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a3d8b0 sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a3d980 amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a3dab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a3dab0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 --- KDB: enter: panic [ thread pid 762 tid 100077 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why