Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts. 2019/10/09 06:24:48 fuzzer started 2019/10/09 06:24:48 dialing manager at 10.128.0.248:59871 2019/10/09 06:24:48 syscalls: 496 2019/10/09 06:24:48 code coverage: enabled 2019/10/09 06:24:48 comparison tracing: enabled 2019/10/09 06:24:48 extra coverage: support is not implemented in syzkaller 2019/10/09 06:24:48 setuid sandbox: support is not implemented in syzkaller 2019/10/09 06:24:48 namespace sandbox: support is not implemented in syzkaller 2019/10/09 06:24:48 Android sandbox: support is not implemented in syzkaller 2019/10/09 06:24:48 fault injection: support is not implemented in syzkaller 2019/10/09 06:24:48 leak checking: support is not implemented in syzkaller 2019/10/09 06:24:48 net packet injection: enabled 2019/10/09 06:24:48 net device setup: support is not implemented in syzkaller 2019/10/09 06:24:48 concurrency sanitizer: support is not implemented in syzkaller 06:24:48 executing program 0: poll(&(0x7f00000000c0)=[{}, {}, {}, {}, {}, {}], 0x6, 0xfa) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0x2840029e}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002cb}}) 06:24:48 executing program 1: r0 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0) pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0xa, 0x0) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000300)={{0xffffffff284002ae}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029d}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xfffffff72840029a}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff28400299}}) 06:24:48 executing program 2: poll(&(0x7f00000000c0), 0x4, 0x172) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f2840039f}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff284002a1}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff2840029d}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002c9}}) 06:24:48 executing program 3: poll(&(0x7f0000000180)=[{}, {}, {}, {}], 0x4, 0xff) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002ca}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xffffffff284002a1}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029f}}) __semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f2840029b}}) panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827 cpuid = 1 time = 1570602289 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a7e5b0 vpanic() at vpanic+0x1e0/frame 0xfffffe0022a7e610 panic() at panic+0x43/frame 0xfffffe0022a7e670 if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a7e6e0 ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a7e770 ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a7e840 kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a7e8b0 sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a7e980 amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a7eab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a7eab0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 --- KDB: enter: panic [ thread pid 766 tid 100090 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why