Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts. 2019/10/09 06:00:50 fuzzer started 2019/10/09 06:00:50 dialing manager at 10.128.0.248:59871 2019/10/09 06:00:50 syscalls: 496 2019/10/09 06:00:50 code coverage: enabled 2019/10/09 06:00:50 comparison tracing: enabled 2019/10/09 06:00:50 extra coverage: support is not implemented in syzkaller 2019/10/09 06:00:50 setuid sandbox: support is not implemented in syzkaller 2019/10/09 06:00:50 namespace sandbox: support is not implemented in syzkaller 2019/10/09 06:00:50 Android sandbox: support is not implemented in syzkaller 2019/10/09 06:00:50 fault injection: support is not implemented in syzkaller 2019/10/09 06:00:50 leak checking: support is not implemented in syzkaller 2019/10/09 06:00:50 net packet injection: enabled 2019/10/09 06:00:50 net device setup: support is not implemented in syzkaller 2019/10/09 06:00:50 concurrency sanitizer: support is not implemented in syzkaller 06:00:50 executing program 0: poll(&(0x7f0000000140)=[{}], 0x1, 0xc3) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002dd}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0x284002da}}) 06:00:50 executing program 1: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) recvmsg(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xffffffff284002a3}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029f}}) 06:00:50 executing program 2: r0 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40008400000002c5, 0x0) pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x3, 0x0) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000280)={{0xffffffff284002a7}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029b}}) 06:00:50 executing program 3: r0 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0) pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002c9}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029d}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000000c0)={{0xffffffff2840029b}}) login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827 cpuid = 0 time = 1570600850 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022ad85b0 vpanic() at vpanic+0x1e0/frame 0xfffffe0022ad8610 panic() at panic+0x43/frame 0xfffffe0022ad8670 if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022ad86e0 ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022ad8770 ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022ad8840 kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022ad88b0 sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022ad8980 amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022ad8ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022ad8ab0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 --- KDB: enter: panic [ thread pid 767 tid 100108 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why