last executing test programs:

69.768289ms ago: executing program 0 (id=1):
r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0)
ioctl$BIOCSBLEN(r0, 0xc0044266, &(0x7f0000000040)=0xfffffffc)
syz_emit_ethernet(0x13a1, &(0x7f0000000280)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaaaa86dd6f755803136b3aff00d5e6b7ff0300000200001000000000fe8000000000000000000000000000aa85"])

44.025952ms ago: executing program 2 (id=3):
r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000000), 0x40, 0x0)
ioctl$BIOCSETF(r0, 0x80104267, &(0x7f0000000200)={0x2, &(0x7f00000001c0)=[{0x3, 0x8, 0x9e, 0x6}, {0x6, 0x6, 0xc, 0x5}]})
r1 = socket$inet6(0x18, 0x3, 0x0)
setsockopt$sock_int(r1, 0xffff, 0x1000, &(0x7f00000002c0)=0x6, 0x4)
bind$inet6(r1, &(0x7f0000000040)={0x1c, 0x18, 0x3, 0xd, "00826245d9db60ac4b0a000000000100", 0x65273273}, 0x1c)
syz_emit_ethernet(0x1000e, &(0x7f00000001c0)=ANY=[@ANYBLOB="aaaaaaaaaaaa63f6557d72b786dd65e481e200f2030000ffff00000000000000000000000000ff020000000000000000000000000001"])
ioctl$BIOCSETIF(r0, 0x8020426c, &(0x7f0000000440)={'tap', 0x0})
ioctl$BIOCSBLEN(r0, 0xc0044266, &(0x7f0000000040)=0x5)
syz_emit_ethernet(0x6e, &(0x7f0000000200)=ANY=[])

0s ago: executing program 7 (id=8):
seteuid(0xffffffffffffffff) (async)
r0 = semget(0x2, 0x7, 0x240) (async)
r1 = semget(0x2, 0x7, 0x240)
seteuid(0xffffffffffffffff)
semctl$IPC_STAT(r1, 0x0, 0x2, 0x0) (async)
sysctl$net_inet_ipcomp(&(0x7f0000000140), 0x4, &(0x7f0000000180), 0x0, &(0x7f0000000200)="f1f4b68844938eda9a25035ca2205e23e3383aa499b6fd1c8e7401d446d2bad669f5c866958f168a529e1d1fdea1be20b12a6412a7c8e7036aff08380a4e9f88e777858a0fa30b08b12d81ac0c6ad7a2c620d3696189ddd5274af75afa42927812cb1c3d3319d1636acf8eea195c658d7ea4ca8aebf5462850f036101e7024bcacac5372ea8583e15757a1c136e29b45b6cc56ef87e6de400da9e89bbe0b11cb284e09d57820521963b3de3e8fde323d3854b37cdf8bc167fbea779edaad1d44c2ccf9", 0xc3) (async)
semctl$SETALL(r1, 0x0, 0x9, &(0x7f00000002c0))
setresgid(0x0, 0x0, 0x0) (async)
seteuid(0xffffffffffffffff) (async)
semctl$SETVAL(r0, 0x3, 0x8, 0x0) (async)
kill(0xffffffffffffffff, 0x4)
accept4(0xffffffffffffffff, &(0x7f0000000000)=@in6, 0x0, 0x6000) (async)
r2 = getthrid() (async)
r3 = semget(0x3, 0x2, 0x0)
semop(r3, &(0x7f0000000200)=[{0x4, 0x4}, {0x4, 0x0, 0x800}, {0x1, 0xa2b2, 0x1800}, {0x3, 0xfff, 0x800}, {0x4, 0xd}, {0x2, 0x9, 0x1000}, {0x1, 0x0, 0x800}, {0x2, 0x4}, {0x2, 0xa, 0x36a3f1778128c602}, {0x1, 0x0, 0x1800}], 0xa) (async)
sysctl$kern(&(0x7f0000000000)={0x1, 0x32}, 0x2, 0x0, 0x0, 0x0, 0x0)
getsockname$inet(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000140)=0x71)
mprotect(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x1)
sysctl$kern(&(0x7f0000000000)={0x1, 0x1b}, 0x2, &(0x7f0000000240), &(0x7f0000000140), 0x0, 0x0)
mknod$loop(&(0x7f0000000040)='./file0\x00', 0x1000, 0x0)
kill(r2, 0x17) (async)
fstatat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180), 0x4) (async, rerun: 64)
writev(0xffffffffffffffff, &(0x7f0000001580)=[{&(0x7f0000000080)="fa689ddba2e5b7fb369ea68e70b682980cc5c8e06b20d4912315571b3ccabdabbb2bd636270776c438d26ab489a78c46867f54ec32f4ad42e0db0fb7056696f4fbb68d735bf9537d538e9c92c1df4478c00af9c559db5f046b6d5992207453d5d40ff5882956c4af6af507f3da8436b99a84d910cc7e2c49899bf2d8c256e6312a16546bb8350be1c324799ea348fe41246db757e0a0f246c369c8ea94838f119252528d0b9ff96f48cf31152546674ded4989ee23aff779728ac86a076e03de15bd80fb5bd5eee15a104a4698062618624bc409f08a92e3b5c5aeb842c69adb31eb8a6f963e32f90b097e7689caee71f54a19d6", 0xf4}, {&(0x7f0000000180)="1949b1816f23eeca128934684e60e1e102b31707301794205d24cd4637cb1e4309c57179bef9d3e3663327d20619a8a0560338c7c976e6b3e63e7076dfeefc92d71a7ec21bd1a749ace6a2845d1f1b7fedc7087de8678e625455e4eba1ebb12f11d4eca08f663a0934b4267b69816f05e2af89704cd3c779a1a6dc256b", 0x7d}], 0x10000006) (rerun: 64)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts.
SYZFAIL: SIGILL
pc-offset:0xa2d4be2b081 pc:0xdeadbeef addr:0x0 code=0 (errno 35: Resource temporarily unavailable)
uvn_flush: obj=0xffff800001930378, offset=0x5fa000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!

OpenBSD/amd64 (ci-openbsd-kasan-3.us-central1-a.c.syzkaller.internal) (tty00)

login: show panic
Password:
Login incorrect
login: trace
Password:
Login incorrect
login: show proc
Password:
Login incorrect
login: show all locks
Password:
Login incorrect
show all pools
login: Password:
Login incorrect
trace
login: Password:
Login incorrect
trace
login: Password: