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

Sat May 18 10:58

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



Warning: Permanently added '10.128.1.18' (ECDSA) to the list of known hosts.
2019/05/18 10:58:31 parsed 1 programs
2019/05/18 10:58:31 executed programs: 0
login: interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
2019/05/18 10:58:36 executed programs: 1219
2019/05/18 10:58:41 executed programs: 2509
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
Memory modified after free 0xfffff80003a1c800(1016) val=0 @ 0xfffff80003a1c9a0
panic: Most recently used by tty

cpuid = 1
time = 1558177124
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001f921690
vpanic() at vpanic+0x1e0/frame 0xfffffe001f9216f0
panic() at panic+0x43/frame 0xfffffe001f921750
mtrash_ctor() at mtrash_ctor+0xed/frame 0xfffffe001f921790
uma_zalloc_arg() at uma_zalloc_arg+0x1036/frame 0xfffffe001f921840
malloc() at malloc+0xe1/frame 0xfffffe001f9218b0
tty_alloc_mutex() at tty_alloc_mutex+0x22c/frame 0xfffffe001f9218e0
pts_alloc() at pts_alloc+0x179/frame 0xfffffe001f921930
sys_posix_openpt() at sys_posix_openpt+0x94/frame 0xfffffe001f921970
ia32_syscall() at ia32_syscall+0x452/frame 0xfffffe001f921ab0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xa
KDB: enter: panic
[ thread pid 4024 tid 101063 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why
db>