Autoloading module: intpm.ko
Starting background file system checks in 60 seconds.

Tue Oct  8 17:22

FreeBSD/amd64 (ci-freebsd-i386-2.c.syzkaller.internal) (ttyu0)



Warning: Permanently added '10.128.1.40' (ECDSA) to the list of known hosts.
2019/10/08 17:22:40 fuzzer started
2019/10/08 17:22:40 dialing manager at 10.128.0.248:17179
2019/10/08 17:22:40 checking machine...
2019/10/08 17:22:40 checking revisions...
2019/10/08 17:22:40 testing simple program...
2019/10/08 17:22:40 building call list...
2019/10/08 17:22:54 syscalls: 496
2019/10/08 17:22:54 code coverage: enabled
2019/10/08 17:22:54 comparison tracing: enabled
2019/10/08 17:22:54 extra coverage: support is not implemented in syzkaller
2019/10/08 17:22:54 setuid sandbox: support is not implemented in syzkaller
2019/10/08 17:22:54 namespace sandbox: support is not implemented in syzkaller
2019/10/08 17:22:54 Android sandbox: support is not implemented in syzkaller
2019/10/08 17:22:54 fault injection: support is not implemented in syzkaller
2019/10/08 17:22:54 leak checking: support is not implemented in syzkaller
2019/10/08 17:22:54 net packet injection: enabled
2019/10/08 17:22:54 net device setup: support is not implemented in syzkaller
2019/10/08 17:22:54 concurrency sanitizer: support is not implemented in syzkaller
17:22:54 executing program 0:
__semctl$IPC_SET(0x0, 0x0, 0xa, 0x0)
poll(&(0x7f0000000180), 0x1, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000000c0)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff2840029f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029b}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000000c0)={{0xffffffff2840029a}})

17:22:54 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)={{0xffffffff284002af}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000002c0)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff28400299}})

17:22:54 executing program 2:
poll(&(0x7f00000000c0), 0x4, 0x172)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff2840029f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002cb}})

17:22:54 executing program 3:
r0 = open$dir(&(0x7f0000000300)='./file0\x00', 0x40000400001002c6, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x2000000000000016, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002cb}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029b}})

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570555374
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002426d5b0
vpanic() at vpanic+0x1e0/frame 0xfffffe002426d610
panic() at panic+0x43/frame 0xfffffe002426d670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe002426d6e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe002426d770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe002426d840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe002426d8b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe002426d980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe002426dab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002426dab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 769 tid 100087 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why