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

Wed Oct  9 04:59

FreeBSD/amd64 (ci-freebsd-i386-3.c.syzkaller.internal) (ttyu0)



Warning: Permanently added '10.128.10.33' (ECDSA) to the list of known hosts.
2019/10/09 05:00:09 fuzzer started
2019/10/09 05:00:09 dialing manager at 10.128.0.248:59871
2019/10/09 05:00:09 syscalls: 496
2019/10/09 05:00:09 code coverage: enabled
2019/10/09 05:00:09 comparison tracing: enabled
2019/10/09 05:00:09 extra coverage: support is not implemented in syzkaller
2019/10/09 05:00:09 setuid sandbox: support is not implemented in syzkaller
2019/10/09 05:00:09 namespace sandbox: support is not implemented in syzkaller
2019/10/09 05:00:09 Android sandbox: support is not implemented in syzkaller
2019/10/09 05:00:09 fault injection: support is not implemented in syzkaller
2019/10/09 05:00:09 leak checking: support is not implemented in syzkaller
2019/10/09 05:00:09 net packet injection: enabled
2019/10/09 05:00:09 net device setup: support is not implemented in syzkaller
2019/10/09 05:00:09 concurrency sanitizer: support is not implemented in syzkaller
05:00:09 executing program 0:
freebsd11_mknod(0x0, 0x0, 0x0)
poll(&(0x7f00000003c0), 0x16, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029c}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029b}})

05:00:09 executing program 1:
clock_nanosleep(0x7, 0x1, &(0x7f0000000040), 0x0)

05:00:09 executing program 2:
r0 = open$dir(&(0x7f00000001c0)='./file0\x00', 0x10382, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x3, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002b1}})
fstat(0xffffffffffffff9c, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, <r1=>0x0})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000280)={{0xffffffff284002de, r1, 0x0, 0x0, 0x0, 0x0, 0x2000000000002}})
r2 = getegid()
fchown(0xffffffffffffff9c, r1, r2)
semget(0x2, 0x1, 0x390)
getgid()
geteuid()
msgget(0x3, 0x40)
r3 = socket$inet6_sctp(0x1c, 0x0, 0x84)
r4 = dup(r3)
fchmodat(r4, &(0x7f0000000240)='./file0\x00', 0x149)
freebsd11_lstat(&(0x7f0000000200)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, <r5=>0x0, <r6=>0x0})
r7 = fcntl$getown(r4, 0x5)
r8 = msgget$private(0x0, 0x12)
msgsnd(r8, &(0x7f0000000240)=ANY=[], 0x0, 0x801)
msgsnd(r8, &(0x7f0000000500)=ANY=[], 0x0, 0x800)
msgctl$IPC_INFO(r8, 0x3, &(0x7f0000000140)=""/10)
r9 = open$dir(&(0x7f0000000300)='./file0\x00', 0x4000040000010e82, 0x0)
pwritev(r9, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0)
freebsd11_fstat(r9, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, <r10=>0x0})
msgctl$IPC_SET(0x0, 0x1, &(0x7f0000000540)={{0x2, r10, r6, r5, r6, 0x101, 0x280}, 0x6, 0xf91, 0x0, 0x8, 0x0, 0x7, 0x0, r7})
socket$inet6_icmp(0x1c, 0x2, 0x3a)
r11 = open$dir(&(0x7f0000000300)='./file0\x00', 0x4000040000010e82, 0x0)
pwritev(r11, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0)
fstat(r11, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, <r12=>0x0})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000280)={{0xffffffff284002de, r12, 0x0, 0x0, 0x0, 0x0, 0x2000000000002}})
r13 = getegid()
fchown(0xffffffffffffff9c, r12, r13)
pipe2(&(0x7f0000000100)={0xffffffffffffffff, <r14=>0xffffffffffffffff}, 0x0)
r15 = socket$inet6_sctp(0x1c, 0x0, 0x84)
r16 = dup(r15)
fchmodat(r16, &(0x7f0000000240)='./file0\x00', 0x149)
freebsd11_lstat(&(0x7f0000000200)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, <r17=>0x0, <r18=>0x0})
r19 = fcntl$getown(r16, 0x5)
msgctl$IPC_SET(0x0, 0x1, &(0x7f0000000540)={{0x7, 0x0, r18, r17, r18, 0x101, 0x80}, 0x6, 0xf91, 0x0, 0x8, 0x0, 0x7, 0x0, r19})
fcntl$setown(r14, 0x6, r19)
pipe2(&(0x7f0000000100), 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000100)={{0xffffffff2840029d, 0x0, 0x0, r1, 0x0, 0x13}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f2840029b}})

05:00:09 executing program 3:
r0 = open(&(0x7f0000000000)='./file0\x00', 0xa00, 0x0)
poll(&(0x7f00000000c0)=[{}, {}, {r0}], 0x3, 0x200)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000380)={{0xffffffff2840029e}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002cb}})

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570597209
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00242e55b0
vpanic() at vpanic+0x1e0/frame 0xfffffe00242e5610
panic() at panic+0x43/frame 0xfffffe00242e5670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00242e56e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe00242e5770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe00242e5840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00242e58b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe00242e5980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe00242e5ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00242e5ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 774 tid 100111 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why