last executing test programs: 709.422543ms ago: executing program 3 (id=4): r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) add_key$fscrypt_v1(&(0x7f0000000080), 0x0, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000180)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x32]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000001c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x33]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000200)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x34]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000240)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x35]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000280)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x36]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000002c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x37]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000300)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x38]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000340)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x39]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000380)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x61]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000003c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x62]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000400)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x63]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000440)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x64]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000480)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x65]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000004c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x66]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000500)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31, 0x30]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000540)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31, 0x31]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) 649.106084ms ago: executing program 3 (id=7): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'bridge0\x00'}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x4}}}]}, 0x48}}, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'bridge0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=@setlink={0x3c, 0x13, 0x1, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'syz_tun\x00'}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x3c}}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./sys\x00', 0x1ff) r3 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./sys/class/net/bridge0/bridge/multicast_snooping\x00', 0x1, 0x0) write(r3, &(0x7f0000000440)='1\n', 0x2) 582.897506ms ago: executing program 2 (id=8): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'bridge0\x00'}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x4}}}]}, 0x48}}, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'bridge0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=@setlink={0x3c, 0x13, 0x1, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'syz_tun\x00'}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x3c}}, 0x0) mount(0x0, &(0x7f0000000340)='./sys\x00', &(0x7f0000000380)='sysfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/class/net/bridge0/bridge/multicast_igmp_version\x00', 0x1, 0x0) write(r3, &(0x7f0000000500)='3\n', 0x2) 559.582096ms ago: executing program 3 (id=9): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x1}) r1 = socket(0x10, 0x803, 0x0) r2 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000200)={'syzkaller0\x00', 0x1}) sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xffff}, {0xfff1, 0xffff}, {0x0, 0xc}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000006040)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x90, 0x2c, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {0x0, 0xffff}, {0xfff1, 0xffff}, {0x5, 0xa}}, [@filter_kind_options=@f_u32={{0x8}, {0x54, 0x2, [@TCA_U32_ACT={0x50, 0x1, [@m_sample={0x4c, 0x1, 0x0, 0x0, {{0xc}, {0x3c, 0x2, 0x0, 0x1, [@TCA_SAMPLE_RATE={0x8, 0x1, 0x1}, @TCA_SAMPLE_PARMS={0x18, 0x2, {0x8000, 0x3, 0x20000000, 0x1, 0x9}}, @TCA_SAMPLE_PSAMPLE_GROUP={0x8, 0x5, 0x3}]}}}]}]}}]}, 0x90}}, 0x0) write(r0, &(0x7f0000000400)="000008004500001c00000000401176cc0a0000010a0000021234123400080000", 0x1e) 508.092118ms ago: executing program 2 (id=10): mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./sys\x00', 0x1ff) mount(&(0x7f0000000000)=@filename='sysfs\x00', &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/module/sctp/parameters/no_checksums\x00', 0x1, 0x0) write(r0, &(0x7f0000000180)='1\n\x00', 0x2) close(r0) r1 = socket$inet_sctp(0x2, 0x1, 0x84) fcntl$setstatus(r1, 0x4, 0x800) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e20, @local}, 0x10) connect$inet(r1, &(0x7f0000000020)={0x2, 0x4e21, @remote}, 0x10) syz_emit_ethernet(0x36, &(0x7f0000000100)={@local, @remote, @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x84, 0x0, @remote, @local}, "4e214e2000000000000000000500000800000000"}}}}, 0x0) 425.82756ms ago: executing program 2 (id=11): r0 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) r1 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e21, @loopback}, 0x10) listen(r1, 0x5) connect$inet(r0, &(0x7f0000000100)={0x2, 0x4e21, @loopback}, 0x10) r2 = accept4(r1, 0x0, 0x0, 0x0) r3 = socket(0x2, 0x3, 0x84) sendto$inet(r3, &(0x7f0000000200)="4e214e20000000000000000004000004", 0x10, 0x0, &(0x7f0000000100)={0x2, 0x4e20, @loopback}, 0x10) sendto$inet(r3, &(0x7f0000000300)="4e214e2000000000000000000400000404000004", 0x14, 0x0, &(0x7f0000000100)={0x2, 0x4e20, @loopback}, 0x10) shutdown(r0, 0x0) shutdown(r2, 0x0) 338.264792ms ago: executing program 2 (id=14): r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000000c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30]}, 0x0, 0x0, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000180)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x32]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000001c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x33]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000200)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x34]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000240)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x35]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000280)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x36]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000002c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x37]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000300)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x38]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000340)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x39]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000380)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x61]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000003c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x62]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000400)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x63]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000440)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x64]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000480)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x65]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000004c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x66]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000500)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31, 0x30]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000540)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31, 0x31]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) 275.550823ms ago: executing program 4 (id=5): bind(0xffffffffffffffff, &(0x7f0000000000)=@in={0x2, 0x1a85, @empty}, 0x10) listen(0xffffffffffffffff, 0x5) r0 = fsopen(&(0x7f0000000100)='ceph\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000200)='source\x00', &(0x7f0000000300)='127.0.0.1:6789:/\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) 266.952454ms ago: executing program 0 (id=1): r0 = socket$inet(0x2, 0x1, 0x6) bind$inet(r0, &(0x7f0000000100)={0x2, 0x801, @loopback}, 0x10) listen(r0, 0x5) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt\x00', 0x1ff) mount$nfs4(&(0x7f0000000440)='127.0.0.1:/\x00', &(0x7f0000000480)='./mnt\x00', &(0x7f00000004c0), 0x0, &(0x7f0000000500)=ANY=[@ANYBLOB='addr=127.0.0.1,port=2049,proto=tcp,clientaddr=127.0.0.1,soft,tim']) 265.720424ms ago: executing program 3 (id=15): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'bridge0\x00'}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x4}}}]}, 0x48}}, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'bridge0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=@setlink={0x3c, 0x13, 0x1, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'syz_tun\x00'}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x3c}}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./sys\x00', 0x1ff) r3 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./sys/class/net/syz_tun/brport/multicast_fast_leave\x00', 0x1, 0x0) write(r3, &(0x7f00000005c0)='1\n', 0x2) 263.640624ms ago: executing program 2 (id=16): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'bridge0\x00'}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x4}}}]}, 0x48}}, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'bridge0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=@setlink={0x3c, 0x13, 0x1, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'syz_tun\x00'}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x3c}}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./sys\x00', 0x1ff) r3 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./sys/class/net/bridge0/bridge/multicast_snooping\x00', 0x1, 0x0) write(r3, &(0x7f0000000440)='1\n', 0x2) 202.887255ms ago: executing program 1 (id=17): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'bridge0\x00'}, @IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x4}}}]}, 0x48}}, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'bridge0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=@setlink={0x3c, 0x13, 0x1, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'syz_tun\x00'}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x3c}}, 0x0) mount(0x0, &(0x7f0000000340)='./sys\x00', &(0x7f0000000380)='sysfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/class/net/bridge0/bridge/multicast_igmp_version\x00', 0x1, 0x0) write(r3, &(0x7f0000000500)='3\n', 0x2) 191.205255ms ago: executing program 2 (id=18): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000100)='nfsd\x00', 0x0, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x6) bind$inet(r0, &(0x7f0000000200)={0x2, 0x4e20, @loopback}, 0x10) listen(r0, 0x5) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/versions\x00', 0x1, 0x0) write(r1, &(0x7f0000000100)='-2 -3 +4\n\x00', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/portlist\x00', 0x1, 0x0) write(r2, &(0x7f0000000300)='3\n\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd/threads\x00', 0x1, 0x0) write(r3, &(0x7f0000000100)='1\n\x00', 0x2) 187.055125ms ago: executing program 0 (id=19): r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$smc(&(0x7f0000000000), r0) sendmsg$nl_generic(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000400)={0x3c, 0x10, 0x1, 0x0, 0x0, {0xa}, [@typed={0x25, 0x1, 0x0, 0x0, @str='SYZ01234567890123456789012345678\x00'}]}, 0x3c}}, 0x0) r1 = socket$inet_smc(0x2b, 0x1, 0x0) r2 = socket$inet_smc(0x2b, 0x1, 0x0) bind(r1, &(0x7f0000000300)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r1, 0x5) connect(r2, &(0x7f0000000300)=@in={0x2, 0x4e20, @loopback}, 0x10) accept4(r1, 0x0, 0x0, 0x0) 178.040946ms ago: executing program 3 (id=20): r0 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r0, &(0x7f0000000080)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e20, @loopback}}, 0x24) listen(r0, 0x5) r1 = socket$rxrpc(0x21, 0x2, 0x2) connect$rxrpc(r1, &(0x7f0000000100)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e20, @loopback}}, 0x24) sendmsg(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000340)='hello\x00', 0x6}], 0x1, &(0x7f0000000400)=[{0x18, 0x110, 0x1, "0100000000000000"}], 0x18}, 0x0) recvmsg(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000520)=[{&(0x7f0000000540), 0x100}], 0x1}, 0x0) 98.927068ms ago: executing program 1 (id=21): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000240)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x1}}, [@NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x401, 0x0, 0x0, {0x1, 0x0, 0x8003}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWCHAIN={0x2c, 0x3, 0xa, 0x101, 0x0, 0x0, {0x1}, [@NFTA_CHAIN_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_CHAIN_NAME={0x9, 0x3, 'syz0\x00'}]}, @NFT_MSG_NEWRULE={0x60, 0x6, 0xa, 0x401, 0x0, 0x0, {0x1}, [@NFTA_RULE_CHAIN_ID={0x8}, @NFTA_RULE_EXPRESSIONS={0x38, 0x4, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, @bitwise={{0xc}, @val={0x24, 0x2, 0x0, 0x1, [@NFTA_BITWISE_LEN={0x8, 0x3, 0x1, 0x0, 0x4}, @NFTA_BITWISE_SREG={0x8, 0x1, 0x1, 0x0, 0x14}, @NFTA_BITWISE_DREG={0x8, 0x2, 0x1, 0x0, 0x12}, @NFTA_BITWISE_MASK={0x4}, @NFTA_BITWISE_XOR={0x4}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}]}], {0x14}}, 0xd4}}, 0x0) 98.798208ms ago: executing program 0 (id=22): r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000540)=@base={0x11, 0x4, 0x4, 0x3, 0x0, 0x1}, 0x50) r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x6, 0x10, &(0x7f0000000440)=ANY=[@ANYBLOB="180000000001000000000000000000001811", @ANYRES32=r0, @ANYBLOB="0000000000000000b70200000000f900850000008600000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b7080000060000007b8af8ff00000000bca2000000000000a6020000f8ffffffb703000008000000b704000000000000850000003300000095"], &(0x7f0000000500)='syzkaller\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x38, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000b80)={r2, 0x2000012, 0xe, 0x0, &(0x7f0000000c40)="63eced8e46dc3f2ddf33c9e9b986", 0x0, 0xfffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0xb}, 0x50) 90.086027ms ago: executing program 0 (id=23): r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x79, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000001180)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f0000000f80)=[{&(0x7f0000000ac0)="a19168e24152c670ecff4e0ee89533187a9206e8b223bed2e89af6709b054a05bafbd8bdb01fe87a3b63a17eff007ee93b40c121e355801159a45e36111175f8d8453960c864bdcf3826be3ffadaa7dba08508123324e0a45a93818ebf5c0fbac285cd0f399da8e4257170efbebf704e9c42cd6e193c280eac0e484d38db0e45923cc47acab1da2c1b47f999d17a7f681eb1f12fb8771d4c103091f99d1c1a", 0x9f}, {&(0x7f0000000c80)="b8659518b69136c840de12f29e56372661ffc3250247a0a5b4d89fe71a1b9ced94b7b8948f88860d2b103e52888892ee3eb1e378638a70d7f47bf1d2df6b6fc368665f92a84b8b03a2ed4710b1f9b4b35b854ffc0ed7ba5e4bd0502b95e5e602b087f5ae9d22ba48614db6f84623ba247e94da8d20d86dfea4c5a23cf57da0471ab476d25bb5a252dde00c1c57140c", 0x8f}, {&(0x7f0000000dc0)="820b29dccf3af022d0ddfd370dd8dda2b3c897775aa4271e74", 0x19}], 0x3}}], 0x2, 0x4000000) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$unix(r1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)}, 0x0) sendto$inet(r0, &(0x7f0000000580)="17", 0x59a, 0x10008095, 0x0, 0x0) 67.093828ms ago: executing program 1 (id=24): r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={&(0x7f0000000300), 0xc, &(0x7f0000000100)={&(0x7f0000000200)=@newlink={0x0, 0x10, 0x601, 0x0, 0x0, {}, [@IFLA_IFNAME={0x0, 0x0, 'dummy0\x00'}, @IFLA_NUM_TX_QUEUES={0x0, 0x0, 0x4}]}}}, 0x0) 704.01µs ago: executing program 1 (id=25): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syz_tun\x00', 0x1001}) r1 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000100)={'syz_tun\x00', 0x1}) write$tun(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="6000000000083afffe800000000000000000000000000001ff0200000000000000000000000000018000000000000000"], 0x30) write$tun(r0, &(0x7f00000000c0)=ANY=[@ANYBLOB="6000000000083afffe800000000000000000000000000001ff0200000000000000000000000000028500000000000000"], 0x30) write$tun(r0, &(0x7f0000000100)=ANY=[@ANYBLOB="60000000000811fffe800000000000000000000000000001ff02000000000000000000000000000104d204d200080000"], 0x30) syz_emit_ethernet(0x3e, &(0x7f0000000200)=ANY=[@ANYBLOB="33330000000100000000000186dd6000000000083afffe800000000000000000000000000001ff0200000000000000000000000000018000000000000000"], 0x0) r2 = socket$inet6_udp(0xa, 0x2, 0x0) bind$inet6(r2, &(0x7f0000000300)={0xa, 0x4d2, 0x0, @mcast1}, 0x1c) sendto$inet6(r2, &(0x7f0000000400)='hello', 0x5, 0x0, &(0x7f0000000500)={0xa, 0x4d2, 0x0, @mcast1}, 0x1c) 384.68µs ago: executing program 1 (id=26): r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xffffffffffffffff) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000000c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30]}, 0x0, 0x0, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000180)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x32]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000001c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x33]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000200)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x34]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000240)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x35]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000280)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x36]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000002c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x37]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000300)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x38]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000340)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x39]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000380)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x61]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000003c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x62]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000400)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x63]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000440)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x64]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000480)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x65]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000004c0)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x66]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000500)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31, 0x30]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f0000000540)={'fscrypt:', @auto=[0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31, 0x31]}, &(0x7f0000000100)={0x0, "00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40}, 0x48, r0) 0s ago: executing program 1 (id=27): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ed) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/times\x00', 0x1, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/fail_page_alloc/probability\x00', 0x1, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./debug/fail_page_alloc/times\x00', 0x1, 0x0) socket$packet(0x11, 0x3, 0x300) r4 = socket$inet_udp(0x2, 0x2, 0x0) write(r1, &(0x7f00000001c0)='1000\x00', 0x4) write(r3, &(0x7f00000002c0)='1000\x00', 0x4) write(r0, &(0x7f0000000140)='100\x00', 0x3) write(r2, &(0x7f0000000240)='100\x00', 0x3) sendto$inet(r4, &(0x7f0000000300)="11223344", 0x4, 0x0, &(0x7f0000000400)={0x2, 0x1234, @loopback}, 0x10) kernel console output (not intermixed with test programs): i0 hci_cmd_work [ 51.206486][ T4338] Call trace: [ 51.207046][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.207809][ T4338] show_stack+0x2c/0x3c [ 51.208459][ T4338] __dump_stack+0x30/0x40 [ 51.209239][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.210090][ T4338] dump_stack+0x1c/0x5c [ 51.210860][ T4338] should_fail_ex+0x3cc/0x524 [ 51.211703][ T4338] __should_failslab+0xc0/0x11c [ 51.212588][ T4338] should_failslab+0x10/0x28 [ 51.213418][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.214265][ T4338] skb_clone+0x194/0x308 [ 51.215037][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.215877][ T4338] process_one_work+0x7e4/0x13bc [ 51.216701][ T4338] worker_thread+0x8cc/0xfe8 [ 51.217478][ T4338] kthread+0x254/0x2e0 [ 51.218187][ T4338] ret_from_fork+0x10/0x20 [ 51.218967][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 51.219051][ T48] FAULT_INJECTION: forcing a failure. [ 51.219051][ T48] name failslab, interval 1, probability 100, space 0, times 110 [ 51.220182][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.223872][ T4344] Workqueue: hci2 hci_cmd_work [ 51.224598][ T4344] Call trace: [ 51.225090][ T4344] dump_backtrace+0x1c4/0x1f0 [ 51.225837][ T4344] show_stack+0x2c/0x3c [ 51.226486][ T4344] __dump_stack+0x30/0x40 [ 51.227180][ T4344] dump_stack_lvl+0xf4/0x15c [ 51.227932][ T4344] dump_stack+0x1c/0x5c [ 51.228593][ T4344] should_fail_ex+0x3cc/0x524 [ 51.229546][ T4344] __should_failslab+0xc0/0x11c [ 51.230534][ T4344] should_failslab+0x10/0x28 [ 51.231477][ T4344] kmem_cache_alloc+0x88/0x310 [ 51.232461][ T4344] skb_clone+0x194/0x308 [ 51.233382][ T4344] hci_cmd_work+0xb4/0x4e8 [ 51.234278][ T4344] process_one_work+0x7e4/0x13bc [ 51.235278][ T4344] worker_thread+0x8cc/0xfe8 [ 51.236223][ T4344] kthread+0x254/0x2e0 [ 51.237098][ T4344] ret_from_fork+0x10/0x20 [ 51.237996][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.238077][ T4332] FAULT_INJECTION: forcing a failure. [ 51.238077][ T4332] name failslab, interval 1, probability 100, space 0, times 109 [ 51.239313][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.239323][ T48] Workqueue: hci1 hci_cmd_work [ 51.244384][ T48] Call trace: [ 51.245009][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.245916][ T48] show_stack+0x2c/0x3c [ 51.246708][ T48] __dump_stack+0x30/0x40 [ 51.247516][ T48] dump_stack_lvl+0xf4/0x15c [ 51.248373][ T48] dump_stack+0x1c/0x5c [ 51.249153][ T48] should_fail_ex+0x3cc/0x524 [ 51.250020][ T48] __should_failslab+0xc0/0x11c [ 51.250925][ T48] should_failslab+0x10/0x28 [ 51.251681][ T48] kmem_cache_alloc+0x88/0x310 [ 51.252510][ T48] skb_clone+0x194/0x308 [ 51.253265][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.254057][ T48] process_one_work+0x7e4/0x13bc [ 51.254924][ T48] worker_thread+0x8cc/0xfe8 [ 51.255710][ T48] kthread+0x254/0x2e0 [ 51.256404][ T48] ret_from_fork+0x10/0x20 [ 51.257166][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 51.257267][ T4338] FAULT_INJECTION: forcing a failure. [ 51.257267][ T4338] name failslab, interval 1, probability 100, space 0, times 108 [ 51.258342][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.262163][ T4332] Workqueue: hci4 hci_cmd_work [ 51.262953][ T4332] Call trace: [ 51.263489][ T4332] dump_backtrace+0x1c4/0x1f0 [ 51.264256][ T4332] show_stack+0x2c/0x3c [ 51.264955][ T4332] __dump_stack+0x30/0x40 [ 51.265705][ T4332] dump_stack_lvl+0xf4/0x15c [ 51.266535][ T4332] dump_stack+0x1c/0x5c [ 51.267244][ T4332] should_fail_ex+0x3cc/0x524 [ 51.268026][ T4332] __should_failslab+0xc0/0x11c [ 51.268888][ T4332] should_failslab+0x10/0x28 [ 51.269728][ T4332] kmem_cache_alloc+0x88/0x310 [ 51.270618][ T4332] skb_clone+0x194/0x308 [ 51.271417][ T4332] hci_cmd_work+0xb4/0x4e8 [ 51.272257][ T4332] process_one_work+0x7e4/0x13bc [ 51.273162][ T4332] worker_thread+0x8cc/0xfe8 [ 51.273977][ T4332] kthread+0x254/0x2e0 [ 51.274669][ T4332] ret_from_fork+0x10/0x20 [ 51.275441][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.276643][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.278330][ T4338] Workqueue: hci0 hci_cmd_work [ 51.279121][ T4338] Call trace: [ 51.279686][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.280468][ T4338] show_stack+0x2c/0x3c [ 51.281181][ T4338] __dump_stack+0x30/0x40 [ 51.281906][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.282693][ T4338] dump_stack+0x1c/0x5c [ 51.283428][ T4338] should_fail_ex+0x3cc/0x524 [ 51.284268][ T4338] __should_failslab+0xc0/0x11c [ 51.285106][ T4338] should_failslab+0x10/0x28 [ 51.285873][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.286687][ T4338] skb_clone+0x194/0x308 [ 51.287434][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.288245][ T4338] process_one_work+0x7e4/0x13bc [ 51.288618][ T4344] FAULT_INJECTION: forcing a failure. [ 51.288618][ T4344] name failslab, interval 1, probability 100, space 0, times 107 [ 51.289093][ T4338] worker_thread+0x8cc/0xfe8 [ 51.292128][ T4338] kthread+0x254/0x2e0 [ 51.292836][ T4338] ret_from_fork+0x10/0x20 [ 51.293559][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 51.293638][ T48] FAULT_INJECTION: forcing a failure. [ 51.293638][ T48] name failslab, interval 1, probability 100, space 0, times 106 [ 51.294804][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.298603][ T4344] Workqueue: hci2 hci_cmd_work [ 51.299480][ T4344] Call trace: [ 51.300073][ T4344] dump_backtrace+0x1c4/0x1f0 [ 51.300944][ T4344] show_stack+0x2c/0x3c [ 51.301705][ T4344] __dump_stack+0x30/0x40 [ 51.302510][ T4344] dump_stack_lvl+0xf4/0x15c [ 51.303400][ T4344] dump_stack+0x1c/0x5c [ 51.304194][ T4344] should_fail_ex+0x3cc/0x524 [ 51.305072][ T4344] __should_failslab+0xc0/0x11c [ 51.305932][ T4344] should_failslab+0x10/0x28 [ 51.306743][ T4344] kmem_cache_alloc+0x88/0x310 [ 51.307613][ T4344] skb_clone+0x194/0x308 [ 51.308372][ T4344] hci_cmd_work+0xb4/0x4e8 [ 51.308631][ T4338] FAULT_INJECTION: forcing a failure. [ 51.308631][ T4338] name failslab, interval 1, probability 100, space 0, times 105 [ 51.309151][ T4344] process_one_work+0x7e4/0x13bc [ 51.312125][ T4344] worker_thread+0x8cc/0xfe8 [ 51.312933][ T4344] kthread+0x254/0x2e0 [ 51.313671][ T4344] ret_from_fork+0x10/0x20 [ 51.314443][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.315687][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.317257][ T4338] Workqueue: hci0 hci_cmd_work [ 51.318050][ T4338] Call trace: [ 51.318575][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.319405][ T4338] show_stack+0x2c/0x3c [ 51.320153][ T4338] __dump_stack+0x30/0x40 [ 51.321011][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.321846][ T4338] dump_stack+0x1c/0x5c [ 51.322594][ T4338] should_fail_ex+0x3cc/0x524 [ 51.323371][ T4338] __should_failslab+0xc0/0x11c [ 51.324188][ T4338] should_failslab+0x10/0x28 [ 51.324971][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.325823][ T4338] skb_clone+0x194/0x308 [ 51.326630][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.327438][ T4338] process_one_work+0x7e4/0x13bc [ 51.328257][ T4338] worker_thread+0x8cc/0xfe8 [ 51.329019][ T4338] kthread+0x254/0x2e0 [ 51.329729][ T4338] ret_from_fork+0x10/0x20 [ 51.330492][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 51.331753][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.333444][ T4343] Workqueue: hci3 hci_cmd_work [ 51.334258][ T4343] Call trace: [ 51.334826][ T4343] dump_backtrace+0x1c4/0x1f0 [ 51.335624][ T4343] show_stack+0x2c/0x3c [ 51.336335][ T4343] __dump_stack+0x30/0x40 [ 51.337061][ T4343] dump_stack_lvl+0xf4/0x15c [ 51.337854][ T4343] dump_stack+0x1c/0x5c [ 51.338623][ T4343] should_fail_ex+0x3cc/0x524 [ 51.339468][ T4343] __should_failslab+0xc0/0x11c [ 51.340374][ T4343] should_failslab+0x10/0x28 [ 51.341232][ T4343] kmem_cache_alloc+0x88/0x310 [ 51.342133][ T4343] skb_clone+0x194/0x308 [ 51.342972][ T4343] hci_cmd_work+0xb4/0x4e8 [ 51.343766][ T4343] process_one_work+0x7e4/0x13bc [ 51.344680][ T4343] worker_thread+0x8cc/0xfe8 [ 51.345544][ T4343] kthread+0x254/0x2e0 [ 51.346287][ T4343] ret_from_fork+0x10/0x20 [ 51.347103][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.347175][ T4344] FAULT_INJECTION: forcing a failure. [ 51.347175][ T4344] name failslab, interval 1, probability 100, space 0, times 104 [ 51.348266][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.352272][ T48] Workqueue: hci1 hci_cmd_work [ 51.353138][ T48] Call trace: [ 51.353713][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.354555][ T48] show_stack+0x2c/0x3c [ 51.355299][ T48] __dump_stack+0x30/0x40 [ 51.356093][ T48] dump_stack_lvl+0xf4/0x15c [ 51.356889][ T48] dump_stack+0x1c/0x5c [ 51.357614][ T48] should_fail_ex+0x3cc/0x524 [ 51.358448][ T48] __should_failslab+0xc0/0x11c [ 51.359310][ T48] should_failslab+0x10/0x28 [ 51.360124][ T48] kmem_cache_alloc+0x88/0x310 [ 51.360965][ T48] skb_clone+0x194/0x308 [ 51.361713][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.362505][ T48] process_one_work+0x7e4/0x13bc [ 51.363387][ T48] worker_thread+0x8cc/0xfe8 [ 51.364219][ T48] kthread+0x254/0x2e0 [ 51.364992][ T48] ret_from_fork+0x10/0x20 [ 51.365741][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 51.366904][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.368478][ T4344] Workqueue: hci2 hci_cmd_work [ 51.368655][ T4338] FAULT_INJECTION: forcing a failure. [ 51.368655][ T4338] name failslab, interval 1, probability 100, space 0, times 103 [ 51.369305][ T4344] Call trace: [ 51.371925][ T4344] dump_backtrace+0x1c4/0x1f0 [ 51.372752][ T4344] show_stack+0x2c/0x3c [ 51.373476][ T4344] __dump_stack+0x30/0x40 [ 51.374256][ T4344] dump_stack_lvl+0xf4/0x15c [ 51.375087][ T4344] dump_stack+0x1c/0x5c [ 51.375848][ T4344] should_fail_ex+0x3cc/0x524 [ 51.376675][ T4344] __should_failslab+0xc0/0x11c [ 51.377532][ T4344] should_failslab+0x10/0x28 [ 51.378326][ T4344] kmem_cache_alloc+0x88/0x310 [ 51.379120][ T4344] skb_clone+0x194/0x308 [ 51.379850][ T4344] hci_cmd_work+0xb4/0x4e8 [ 51.380591][ T4344] process_one_work+0x7e4/0x13bc [ 51.381435][ T4344] worker_thread+0x8cc/0xfe8 [ 51.382215][ T4344] kthread+0x254/0x2e0 [ 51.382937][ T4344] ret_from_fork+0x10/0x20 [ 51.383695][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.383778][ T4332] FAULT_INJECTION: forcing a failure. [ 51.383778][ T4332] name failslab, interval 1, probability 100, space 0, times 102 [ 51.384944][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.388609][ T4338] Workqueue: hci0 hci_cmd_work [ 51.389460][ T4338] Call trace: [ 51.390070][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.390915][ T4338] show_stack+0x2c/0x3c [ 51.391638][ T4338] __dump_stack+0x30/0x40 [ 51.392416][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.393244][ T4338] dump_stack+0x1c/0x5c [ 51.393994][ T4338] should_fail_ex+0x3cc/0x524 [ 51.394761][ T4338] __should_failslab+0xc0/0x11c [ 51.395654][ T4338] should_failslab+0x10/0x28 [ 51.396388][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.397219][ T4338] skb_clone+0x194/0x308 [ 51.398030][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.398807][ T4338] process_one_work+0x7e4/0x13bc [ 51.399702][ T4338] worker_thread+0x8cc/0xfe8 [ 51.400585][ T4338] kthread+0x254/0x2e0 [ 51.401271][ T4338] ret_from_fork+0x10/0x20 [ 51.402012][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 51.402120][ T48] FAULT_INJECTION: forcing a failure. [ 51.402120][ T48] name failslab, interval 1, probability 100, space 0, times 101 [ 51.403142][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.406914][ T4332] Workqueue: hci4 hci_cmd_work [ 51.407674][ T4332] Call trace: [ 51.408199][ T4332] dump_backtrace+0x1c4/0x1f0 [ 51.408985][ T4332] show_stack+0x2c/0x3c [ 51.409724][ T4332] __dump_stack+0x30/0x40 [ 51.410452][ T4332] dump_stack_lvl+0xf4/0x15c [ 51.411229][ T4332] dump_stack+0x1c/0x5c [ 51.411986][ T4332] should_fail_ex+0x3cc/0x524 [ 51.412862][ T4332] __should_failslab+0xc0/0x11c [ 51.413699][ T4332] should_failslab+0x10/0x28 [ 51.414574][ T4332] kmem_cache_alloc+0x88/0x310 [ 51.415418][ T4332] skb_clone+0x194/0x308 [ 51.416203][ T4332] hci_cmd_work+0xb4/0x4e8 [ 51.416975][ T4332] process_one_work+0x7e4/0x13bc [ 51.417847][ T4332] worker_thread+0x8cc/0xfe8 [ 51.418626][ T4338] FAULT_INJECTION: forcing a failure. [ 51.418626][ T4338] name failslab, interval 1, probability 100, space 0, times 100 [ 51.418636][ T4332] kthread+0x254/0x2e0 [ 51.421600][ T4332] ret_from_fork+0x10/0x20 [ 51.422400][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.422464][ T4343] FAULT_INJECTION: forcing a failure. [ 51.422464][ T4343] name failslab, interval 1, probability 100, space 0, times 99 [ 51.423667][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.427279][ T4338] Workqueue: hci0 hci_cmd_work [ 51.428064][ T4338] Call trace: [ 51.428607][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.429411][ T4338] show_stack+0x2c/0x3c [ 51.430132][ T4338] __dump_stack+0x30/0x40 [ 51.430850][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.431637][ T4338] dump_stack+0x1c/0x5c [ 51.432327][ T4338] should_fail_ex+0x3cc/0x524 [ 51.433144][ T4338] __should_failslab+0xc0/0x11c [ 51.434035][ T4338] should_failslab+0x10/0x28 [ 51.434876][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.435739][ T4338] skb_clone+0x194/0x308 [ 51.436502][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.437306][ T4338] process_one_work+0x7e4/0x13bc [ 51.438142][ T4338] worker_thread+0x8cc/0xfe8 [ 51.438938][ T4338] kthread+0x254/0x2e0 [ 51.439658][ T4338] ret_from_fork+0x10/0x20 [ 51.440412][ T4470] CPU: 0 PID: 4470 Comm: syz.1.27 Not tainted syzkaller #0 [ 51.441635][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.443343][ T4470] Call trace: [ 51.443921][ T4470] dump_backtrace+0x1c4/0x1f0 [ 51.444744][ T4470] show_stack+0x2c/0x3c [ 51.445509][ T4470] __dump_stack+0x30/0x40 [ 51.446301][ T4470] dump_stack_lvl+0xf4/0x15c [ 51.447132][ T4470] dump_stack+0x1c/0x5c [ 51.447898][ T4470] should_fail_ex+0x3cc/0x524 [ 51.448682][ T4470] __should_failslab+0xc0/0x11c [ 51.449535][ T4470] should_failslab+0x10/0x28 [ 51.450355][ T4470] kmem_cache_alloc+0x88/0x310 [ 51.451227][ T4470] taskstats_exit+0x124/0x7c4 [ 51.452083][ T4470] do_exit+0x4c4/0x19ac [ 51.452862][ T4470] do_group_exit+0x198/0x238 [ 51.453662][ T4470] get_signal+0x11f4/0x133c [ 51.454466][ T4470] do_notify_resume+0x2a8/0x2c84 [ 51.455381][ T4470] el0_da+0xb4/0x144 [ 51.456104][ T4470] el0t_64_sync_handler+0x90/0xf0 [ 51.457025][ T4470] el0t_64_sync+0x18c/0x190 [ 51.457860][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.458003][ T3929] socket: no more sockets [ 51.459097][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.459112][ T48] Workqueue: hci1 hci_cmd_work [ 51.459828][ T3929] FAULT_INJECTION: forcing a failure. [ 51.459828][ T3929] name failslab, interval 1, probability 100, space 0, times 98 [ 51.461479][ T48] [ 51.464917][ T48] Call trace: [ 51.465500][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.466341][ T48] show_stack+0x2c/0x3c [ 51.467087][ T48] __dump_stack+0x30/0x40 [ 51.467867][ T48] dump_stack_lvl+0xf4/0x15c [ 51.468655][ T48] dump_stack+0x1c/0x5c [ 51.469378][ T48] should_fail_ex+0x3cc/0x524 [ 51.470189][ T48] __should_failslab+0xc0/0x11c [ 51.471018][ T48] should_failslab+0x10/0x28 [ 51.471783][ T48] kmem_cache_alloc+0x88/0x310 [ 51.472603][ T48] skb_clone+0x194/0x308 [ 51.473385][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.474140][ T48] process_one_work+0x7e4/0x13bc [ 51.474998][ T48] worker_thread+0x8cc/0xfe8 [ 51.475780][ T48] kthread+0x254/0x2e0 [ 51.476464][ T48] ret_from_fork+0x10/0x20 [ 51.477243][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 51.477323][ T4338] FAULT_INJECTION: forcing a failure. [ 51.477323][ T4338] name failslab, interval 1, probability 100, space 0, times 97 [ 51.478405][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.482374][ T4343] Workqueue: hci3 hci_cmd_work [ 51.483249][ T4343] Call trace: [ 51.483857][ T4343] dump_backtrace+0x1c4/0x1f0 [ 51.484746][ T4343] show_stack+0x2c/0x3c [ 51.485547][ T4343] __dump_stack+0x30/0x40 [ 51.486439][ T4343] dump_stack_lvl+0xf4/0x15c [ 51.487245][ T4343] dump_stack+0x1c/0x5c [ 51.488013][ T4343] should_fail_ex+0x3cc/0x524 [ 51.488868][ T4343] __should_failslab+0xc0/0x11c [ 51.489734][ T4343] should_failslab+0x10/0x28 [ 51.490579][ T4343] kmem_cache_alloc+0x88/0x310 [ 51.491473][ T4343] skb_clone+0x194/0x308 [ 51.492275][ T4343] hci_cmd_work+0xb4/0x4e8 [ 51.493116][ T4343] process_one_work+0x7e4/0x13bc [ 51.494078][ T4343] worker_thread+0x8cc/0xfe8 [ 51.494963][ T4343] kthread+0x254/0x2e0 [ 51.495783][ T4343] ret_from_fork+0x10/0x20 [ 51.496637][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.496726][ T4344] FAULT_INJECTION: forcing a failure. [ 51.496726][ T4344] name failslab, interval 1, probability 100, space 0, times 96 [ 51.497796][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.501698][ T4338] Workqueue: hci0 hci_cmd_work [ 51.502534][ T4338] Call trace: [ 51.503144][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.504016][ T4338] show_stack+0x2c/0x3c [ 51.504724][ T4338] __dump_stack+0x30/0x40 [ 51.505501][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.506337][ T4338] dump_stack+0x1c/0x5c [ 51.507069][ T4338] should_fail_ex+0x3cc/0x524 [ 51.507895][ T4338] __should_failslab+0xc0/0x11c [ 51.508624][ T4332] FAULT_INJECTION: forcing a failure. [ 51.508624][ T4332] name failslab, interval 1, probability 100, space 0, times 95 [ 51.508704][ T4338] should_failslab+0x10/0x28 [ 51.511553][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.512420][ T4338] skb_clone+0x194/0x308 [ 51.513209][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.514044][ T4338] process_one_work+0x7e4/0x13bc [ 51.514896][ T4338] worker_thread+0x8cc/0xfe8 [ 51.515714][ T4338] kthread+0x254/0x2e0 [ 51.516385][ T4338] ret_from_fork+0x10/0x20 [ 51.517141][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 51.517243][ T48] FAULT_INJECTION: forcing a failure. [ 51.517243][ T48] name failslab, interval 1, probability 100, space 0, times 94 [ 51.518363][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.522206][ T4332] Workqueue: hci4 hci_cmd_work [ 51.523112][ T4332] Call trace: [ 51.523723][ T4332] dump_backtrace+0x1c4/0x1f0 [ 51.524615][ T4332] show_stack+0x2c/0x3c [ 51.525423][ T4332] __dump_stack+0x30/0x40 [ 51.526265][ T4332] dump_stack_lvl+0xf4/0x15c [ 51.527143][ T4332] dump_stack+0x1c/0x5c [ 51.527915][ T4332] should_fail_ex+0x3cc/0x524 [ 51.528803][ T4332] __should_failslab+0xc0/0x11c [ 51.529702][ T4332] should_failslab+0x10/0x28 [ 51.530562][ T4332] kmem_cache_alloc+0x88/0x310 [ 51.531432][ T4332] skb_clone+0x194/0x308 [ 51.532206][ T4332] hci_cmd_work+0xb4/0x4e8 [ 51.533019][ T4332] process_one_work+0x7e4/0x13bc [ 51.533946][ T4332] worker_thread+0x8cc/0xfe8 [ 51.534760][ T4332] kthread+0x254/0x2e0 [ 51.535448][ T4332] ret_from_fork+0x10/0x20 [ 51.536238][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.537452][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.539139][ T48] Workqueue: hci1 hci_cmd_work [ 51.540056][ T48] Call trace: [ 51.540690][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.541527][ T48] show_stack+0x2c/0x3c [ 51.542301][ T48] __dump_stack+0x30/0x40 [ 51.543069][ T48] dump_stack_lvl+0xf4/0x15c [ 51.543880][ T48] dump_stack+0x1c/0x5c [ 51.544611][ T48] should_fail_ex+0x3cc/0x524 [ 51.545431][ T48] __should_failslab+0xc0/0x11c [ 51.546247][ T48] should_failslab+0x10/0x28 [ 51.547110][ T48] kmem_cache_alloc+0x88/0x310 [ 51.548015][ T48] skb_clone+0x194/0x308 [ 51.548766][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.549518][ T48] process_one_work+0x7e4/0x13bc [ 51.550380][ T48] worker_thread+0x8cc/0xfe8 [ 51.551146][ T48] kthread+0x254/0x2e0 [ 51.551838][ T48] ret_from_fork+0x10/0x20 [ 51.552616][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 51.552708][ T4338] FAULT_INJECTION: forcing a failure. [ 51.552708][ T4338] name failslab, interval 1, probability 100, space 0, times 93 [ 51.553900][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.557710][ T4344] Workqueue: hci2 hci_cmd_work [ 51.558501][ T4344] Call trace: [ 51.559028][ T4344] dump_backtrace+0x1c4/0x1f0 [ 51.559918][ T4344] show_stack+0x2c/0x3c [ 51.560708][ T4344] __dump_stack+0x30/0x40 [ 51.561489][ T4344] dump_stack_lvl+0xf4/0x15c [ 51.562337][ T4344] dump_stack+0x1c/0x5c [ 51.563133][ T4344] should_fail_ex+0x3cc/0x524 [ 51.564007][ T4344] __should_failslab+0xc0/0x11c [ 51.564904][ T4344] should_failslab+0x10/0x28 [ 51.565785][ T4344] kmem_cache_alloc+0x88/0x310 [ 51.566718][ T4344] skb_clone+0x194/0x308 [ 51.567554][ T4344] hci_cmd_work+0xb4/0x4e8 [ 51.568409][ T4344] process_one_work+0x7e4/0x13bc [ 51.568626][ T48] FAULT_INJECTION: forcing a failure. [ 51.568626][ T48] name failslab, interval 1, probability 100, space 0, times 92 [ 51.569354][ T4344] worker_thread+0x8cc/0xfe8 [ 51.572288][ T4344] kthread+0x254/0x2e0 [ 51.573084][ T4344] ret_from_fork+0x10/0x20 [ 51.573864][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.573949][ T4343] FAULT_INJECTION: forcing a failure. [ 51.573949][ T4343] name failslab, interval 1, probability 100, space 0, times 91 [ 51.575043][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.578656][ T48] Workqueue: hci1 hci_cmd_work [ 51.579467][ T48] Call trace: [ 51.580044][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.580883][ T48] show_stack+0x2c/0x3c [ 51.581564][ T48] __dump_stack+0x30/0x40 [ 51.582302][ T48] dump_stack_lvl+0xf4/0x15c [ 51.583090][ T48] dump_stack+0x1c/0x5c [ 51.583831][ T48] should_fail_ex+0x3cc/0x524 [ 51.584659][ T48] __should_failslab+0xc0/0x11c [ 51.585470][ T48] should_failslab+0x10/0x28 [ 51.586299][ T48] kmem_cache_alloc+0x88/0x310 [ 51.587131][ T48] skb_clone+0x194/0x308 [ 51.587855][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.588610][ T4332] FAULT_INJECTION: forcing a failure. [ 51.588610][ T4332] name failslab, interval 1, probability 100, space 0, times 90 [ 51.588619][ T48] process_one_work+0x7e4/0x13bc [ 51.591461][ T48] worker_thread+0x8cc/0xfe8 [ 51.592267][ T48] kthread+0x254/0x2e0 [ 51.592999][ T48] ret_from_fork+0x10/0x20 [ 51.593769][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 51.594948][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.596545][ T4332] Workqueue: hci4 hci_cmd_work [ 51.597267][ T4332] Call trace: [ 51.597776][ T4332] dump_backtrace+0x1c4/0x1f0 [ 51.598549][ T4332] show_stack+0x2c/0x3c [ 51.599278][ T4332] __dump_stack+0x30/0x40 [ 51.600060][ T4332] dump_stack_lvl+0xf4/0x15c [ 51.600910][ T4332] dump_stack+0x1c/0x5c [ 51.601659][ T4332] should_fail_ex+0x3cc/0x524 [ 51.602477][ T4332] __should_failslab+0xc0/0x11c [ 51.603313][ T4332] should_failslab+0x10/0x28 [ 51.604183][ T4332] kmem_cache_alloc+0x88/0x310 [ 51.605021][ T4332] skb_clone+0x194/0x308 [ 51.605781][ T4332] hci_cmd_work+0xb4/0x4e8 [ 51.606578][ T4332] process_one_work+0x7e4/0x13bc [ 51.607397][ T4332] worker_thread+0x8cc/0xfe8 [ 51.608173][ T4332] kthread+0x254/0x2e0 [ 51.608893][ T4332] ret_from_fork+0x10/0x20 [ 51.609679][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.611029][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.612815][ T4338] Workqueue: hci0 hci_cmd_work [ 51.613593][ T4338] Call trace: [ 51.614098][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.614845][ T4338] show_stack+0x2c/0x3c [ 51.615542][ T4338] __dump_stack+0x30/0x40 [ 51.616244][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.616934][ T4338] dump_stack+0x1c/0x5c [ 51.617604][ T4338] should_fail_ex+0x3cc/0x524 [ 51.618322][ T4338] __should_failslab+0xc0/0x11c [ 51.619126][ T4338] should_failslab+0x10/0x28 [ 51.619915][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.620735][ T4338] skb_clone+0x194/0x308 [ 51.621479][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.622228][ T4338] process_one_work+0x7e4/0x13bc [ 51.623102][ T4338] worker_thread+0x8cc/0xfe8 [ 51.623858][ T4338] kthread+0x254/0x2e0 [ 51.624545][ T4338] ret_from_fork+0x10/0x20 [ 51.625311][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 51.625359][ T48] FAULT_INJECTION: forcing a failure. [ 51.625359][ T48] name failslab, interval 1, probability 100, space 0, times 89 [ 51.626453][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.630189][ T4343] Workqueue: hci3 hci_cmd_work [ 51.631067][ T4343] Call trace: [ 51.631658][ T4343] dump_backtrace+0x1c4/0x1f0 [ 51.632501][ T4343] show_stack+0x2c/0x3c [ 51.633225][ T4343] __dump_stack+0x30/0x40 [ 51.634022][ T4343] dump_stack_lvl+0xf4/0x15c [ 51.634835][ T4343] dump_stack+0x1c/0x5c [ 51.635554][ T4343] should_fail_ex+0x3cc/0x524 [ 51.636399][ T4343] __should_failslab+0xc0/0x11c [ 51.637210][ T4343] should_failslab+0x10/0x28 [ 51.638008][ T4343] kmem_cache_alloc+0x88/0x310 [ 51.638630][ T4338] FAULT_INJECTION: forcing a failure. [ 51.638630][ T4338] name failslab, interval 1, probability 100, space 0, times 88 [ 51.638783][ T4343] skb_clone+0x194/0x308 [ 51.641436][ T4343] hci_cmd_work+0xb4/0x4e8 [ 51.642210][ T4343] process_one_work+0x7e4/0x13bc [ 51.643120][ T4343] worker_thread+0x8cc/0xfe8 [ 51.643950][ T4343] kthread+0x254/0x2e0 [ 51.644686][ T4343] ret_from_fork+0x10/0x20 [ 51.645460][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.645546][ T4344] FAULT_INJECTION: forcing a failure. [ 51.645546][ T4344] name failslab, interval 1, probability 100, space 0, times 87 [ 51.646719][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.650558][ T4338] Workqueue: hci0 hci_cmd_work [ 51.651418][ T4338] Call trace: [ 51.652028][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.652899][ T4338] show_stack+0x2c/0x3c [ 51.653671][ T4338] __dump_stack+0x30/0x40 [ 51.654496][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.655324][ T4338] dump_stack+0x1c/0x5c [ 51.656080][ T4338] should_fail_ex+0x3cc/0x524 [ 51.656937][ T4338] __should_failslab+0xc0/0x11c [ 51.657821][ T4338] should_failslab+0x10/0x28 [ 51.658627][ T4332] FAULT_INJECTION: forcing a failure. [ 51.658627][ T4332] name failslab, interval 1, probability 100, space 0, times 86 [ 51.658634][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.661472][ T4338] skb_clone+0x194/0x308 [ 51.662224][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.663009][ T4338] process_one_work+0x7e4/0x13bc [ 51.663888][ T4338] worker_thread+0x8cc/0xfe8 [ 51.664700][ T4338] kthread+0x254/0x2e0 [ 51.665479][ T4338] ret_from_fork+0x10/0x20 [ 51.666307][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 51.667473][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.669132][ T4332] Workqueue: hci4 hci_cmd_work [ 51.669921][ T4332] Call trace: [ 51.670484][ T4332] dump_backtrace+0x1c4/0x1f0 [ 51.671280][ T4332] show_stack+0x2c/0x3c [ 51.671997][ T4332] __dump_stack+0x30/0x40 [ 51.672803][ T4332] dump_stack_lvl+0xf4/0x15c [ 51.673620][ T4332] dump_stack+0x1c/0x5c [ 51.674393][ T4332] should_fail_ex+0x3cc/0x524 [ 51.675229][ T4332] __should_failslab+0xc0/0x11c [ 51.676148][ T4332] should_failslab+0x10/0x28 [ 51.677010][ T4332] kmem_cache_alloc+0x88/0x310 [ 51.677851][ T4332] skb_clone+0x194/0x308 [ 51.678787][ T4332] hci_cmd_work+0xb4/0x4e8 [ 51.679651][ T4332] process_one_work+0x7e4/0x13bc [ 51.680640][ T4332] worker_thread+0x8cc/0xfe8 [ 51.681550][ T4332] kthread+0x254/0x2e0 [ 51.682327][ T4332] ret_from_fork+0x10/0x20 [ 51.683188][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.684519][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.686189][ T48] Workqueue: hci1 hci_cmd_work [ 51.687018][ T48] Call trace: [ 51.687578][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.688382][ T48] show_stack+0x2c/0x3c [ 51.689131][ T48] __dump_stack+0x30/0x40 [ 51.689901][ T48] dump_stack_lvl+0xf4/0x15c [ 51.690712][ T48] dump_stack+0x1c/0x5c [ 51.691450][ T48] should_fail_ex+0x3cc/0x524 [ 51.692284][ T48] __should_failslab+0xc0/0x11c [ 51.693147][ T48] should_failslab+0x10/0x28 [ 51.693957][ T48] kmem_cache_alloc+0x88/0x310 [ 51.694822][ T48] skb_clone+0x194/0x308 [ 51.695603][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.696431][ T48] process_one_work+0x7e4/0x13bc [ 51.697302][ T48] worker_thread+0x8cc/0xfe8 [ 51.698070][ T48] kthread+0x254/0x2e0 [ 51.698624][ T4343] FAULT_INJECTION: forcing a failure. [ 51.698624][ T4343] name failslab, interval 1, probability 100, space 0, times 85 [ 51.698745][ T48] ret_from_fork+0x10/0x20 [ 51.701534][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 51.701612][ T4338] FAULT_INJECTION: forcing a failure. [ 51.701612][ T4338] name failslab, interval 1, probability 100, space 0, times 84 [ 51.702777][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.706480][ T4343] Workqueue: hci3 hci_cmd_work [ 51.707253][ T4343] Call trace: [ 51.707822][ T4343] dump_backtrace+0x1c4/0x1f0 [ 51.708626][ T4343] show_stack+0x2c/0x3c [ 51.709416][ T4343] __dump_stack+0x30/0x40 [ 51.710226][ T4343] dump_stack_lvl+0xf4/0x15c [ 51.711116][ T4343] dump_stack+0x1c/0x5c [ 51.711938][ T4343] should_fail_ex+0x3cc/0x524 [ 51.712850][ T4343] __should_failslab+0xc0/0x11c [ 51.713786][ T4343] should_failslab+0x10/0x28 [ 51.714680][ T4343] kmem_cache_alloc+0x88/0x310 [ 51.715600][ T4343] skb_clone+0x194/0x308 [ 51.716393][ T4343] hci_cmd_work+0xb4/0x4e8 [ 51.717229][ T4343] process_one_work+0x7e4/0x13bc [ 51.718165][ T4343] worker_thread+0x8cc/0xfe8 [ 51.718623][ T48] FAULT_INJECTION: forcing a failure. [ 51.718623][ T48] name failslab, interval 1, probability 100, space 0, times 83 [ 51.718994][ T4343] kthread+0x254/0x2e0 [ 51.721725][ T4343] ret_from_fork+0x10/0x20 [ 51.722582][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.722668][ T4332] FAULT_INJECTION: forcing a failure. [ 51.722668][ T4332] name failslab, interval 1, probability 100, space 0, times 82 [ 51.723808][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.727534][ T48] Workqueue: hci1 hci_cmd_work [ 51.728364][ T48] Call trace: [ 51.728915][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.729754][ T48] show_stack+0x2c/0x3c [ 51.730482][ T48] __dump_stack+0x30/0x40 [ 51.731280][ T48] dump_stack_lvl+0xf4/0x15c [ 51.732117][ T48] dump_stack+0x1c/0x5c [ 51.732818][ T48] should_fail_ex+0x3cc/0x524 [ 51.733642][ T48] __should_failslab+0xc0/0x11c [ 51.734507][ T48] should_failslab+0x10/0x28 [ 51.735337][ T48] kmem_cache_alloc+0x88/0x310 [ 51.736188][ T48] skb_clone+0x194/0x308 [ 51.736948][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.737767][ T48] process_one_work+0x7e4/0x13bc [ 51.738614][ T48] worker_thread+0x8cc/0xfe8 [ 51.739429][ T48] kthread+0x254/0x2e0 [ 51.740160][ T48] ret_from_fork+0x10/0x20 [ 51.740957][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 51.742178][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.743847][ T4344] Workqueue: hci2 hci_cmd_work [ 51.744641][ T4344] Call trace: [ 51.745172][ T4344] dump_backtrace+0x1c4/0x1f0 [ 51.746001][ T4344] show_stack+0x2c/0x3c [ 51.746670][ T4344] __dump_stack+0x30/0x40 [ 51.747390][ T4344] dump_stack_lvl+0xf4/0x15c [ 51.748126][ T4344] dump_stack+0x1c/0x5c [ 51.748835][ T4344] should_fail_ex+0x3cc/0x524 [ 51.749682][ T4344] __should_failslab+0xc0/0x11c [ 51.750571][ T4344] should_failslab+0x10/0x28 [ 51.751388][ T4344] kmem_cache_alloc+0x88/0x310 [ 51.752230][ T4344] skb_clone+0x194/0x308 [ 51.753023][ T4344] hci_cmd_work+0xb4/0x4e8 [ 51.753810][ T4344] process_one_work+0x7e4/0x13bc [ 51.754636][ T4344] worker_thread+0x8cc/0xfe8 [ 51.755427][ T4344] kthread+0x254/0x2e0 [ 51.756162][ T4344] ret_from_fork+0x10/0x20 [ 51.756940][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.758274][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.760058][ T4338] Workqueue: hci0 hci_cmd_work [ 51.760887][ T4338] Call trace: [ 51.761447][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.762284][ T4338] show_stack+0x2c/0x3c [ 51.763024][ T4338] __dump_stack+0x30/0x40 [ 51.763788][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.764589][ T4338] dump_stack+0x1c/0x5c [ 51.765291][ T4338] should_fail_ex+0x3cc/0x524 [ 51.766097][ T4338] __should_failslab+0xc0/0x11c [ 51.766937][ T4338] should_failslab+0x10/0x28 [ 51.767712][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.768520][ T4338] skb_clone+0x194/0x308 [ 51.768619][ T4344] FAULT_INJECTION: forcing a failure. [ 51.768619][ T4344] name failslab, interval 1, probability 100, space 0, times 81 [ 51.769216][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.772022][ T4338] process_one_work+0x7e4/0x13bc [ 51.772902][ T4338] worker_thread+0x8cc/0xfe8 [ 51.773712][ T4338] kthread+0x254/0x2e0 [ 51.774377][ T4338] ret_from_fork+0x10/0x20 [ 51.775166][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 51.775254][ T48] FAULT_INJECTION: forcing a failure. [ 51.775254][ T48] name failslab, interval 1, probability 100, space 0, times 80 [ 51.776601][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.780535][ T4344] Workqueue: hci2 hci_cmd_work [ 51.781487][ T4344] Call trace: [ 51.782147][ T4344] dump_backtrace+0x1c4/0x1f0 [ 51.783018][ T4344] show_stack+0x2c/0x3c [ 51.783836][ T4344] __dump_stack+0x30/0x40 [ 51.784648][ T4344] dump_stack_lvl+0xf4/0x15c [ 51.785479][ T4344] dump_stack+0x1c/0x5c [ 51.786249][ T4344] should_fail_ex+0x3cc/0x524 [ 51.787106][ T4344] __should_failslab+0xc0/0x11c [ 51.788007][ T4344] should_failslab+0x10/0x28 [ 51.788856][ T4344] kmem_cache_alloc+0x88/0x310 [ 51.789722][ T4344] skb_clone+0x194/0x308 [ 51.790469][ T4344] hci_cmd_work+0xb4/0x4e8 [ 51.791270][ T4344] process_one_work+0x7e4/0x13bc [ 51.792171][ T4344] worker_thread+0x8cc/0xfe8 [ 51.793037][ T4344] kthread+0x254/0x2e0 [ 51.793826][ T4344] ret_from_fork+0x10/0x20 [ 51.794697][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.794780][ T4343] FAULT_INJECTION: forcing a failure. [ 51.794780][ T4343] name failslab, interval 1, probability 100, space 0, times 79 [ 51.795963][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.799779][ T48] Workqueue: hci1 hci_cmd_work [ 51.800651][ T48] Call trace: [ 51.801240][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.802009][ T48] show_stack+0x2c/0x3c [ 51.802718][ T48] __dump_stack+0x30/0x40 [ 51.803480][ T48] dump_stack_lvl+0xf4/0x15c [ 51.804281][ T48] dump_stack+0x1c/0x5c [ 51.805010][ T48] should_fail_ex+0x3cc/0x524 [ 51.805844][ T48] __should_failslab+0xc0/0x11c [ 51.806744][ T48] should_failslab+0x10/0x28 [ 51.807548][ T48] kmem_cache_alloc+0x88/0x310 [ 51.808382][ T48] skb_clone+0x194/0x308 [ 51.809138][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.809929][ T48] process_one_work+0x7e4/0x13bc [ 51.810771][ T48] worker_thread+0x8cc/0xfe8 [ 51.811541][ T48] kthread+0x254/0x2e0 [ 51.812246][ T48] ret_from_fork+0x10/0x20 [ 51.813030][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 51.813109][ T4338] FAULT_INJECTION: forcing a failure. [ 51.813109][ T4338] name failslab, interval 1, probability 100, space 0, times 78 [ 51.814235][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.817964][ T4332] Workqueue: hci4 hci_cmd_work [ 51.818758][ T4332] Call trace: [ 51.819400][ T4332] dump_backtrace+0x1c4/0x1f0 [ 51.820311][ T4332] show_stack+0x2c/0x3c [ 51.821104][ T4332] __dump_stack+0x30/0x40 [ 51.821899][ T4332] dump_stack_lvl+0xf4/0x15c [ 51.822749][ T4332] dump_stack+0x1c/0x5c [ 51.823545][ T4332] should_fail_ex+0x3cc/0x524 [ 51.824435][ T4332] __should_failslab+0xc0/0x11c [ 51.825296][ T4332] should_failslab+0x10/0x28 [ 51.826119][ T4332] kmem_cache_alloc+0x88/0x310 [ 51.827010][ T4332] skb_clone+0x194/0x308 [ 51.827794][ T4332] hci_cmd_work+0xb4/0x4e8 [ 51.828563][ T4332] process_one_work+0x7e4/0x13bc [ 51.829445][ T4332] worker_thread+0x8cc/0xfe8 [ 51.830273][ T4332] kthread+0x254/0x2e0 [ 51.830998][ T4332] ret_from_fork+0x10/0x20 [ 51.831788][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.833016][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.834606][ T4338] Workqueue: hci0 hci_cmd_work [ 51.835371][ T4338] Call trace: [ 51.835901][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.836647][ T4338] show_stack+0x2c/0x3c [ 51.837296][ T4338] __dump_stack+0x30/0x40 [ 51.837984][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.838708][ T4338] dump_stack+0x1c/0x5c [ 51.839437][ T4338] should_fail_ex+0x3cc/0x524 [ 51.840272][ T4338] __should_failslab+0xc0/0x11c [ 51.841123][ T4338] should_failslab+0x10/0x28 [ 51.841966][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.842866][ T4338] skb_clone+0x194/0x308 [ 51.843656][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.844372][ T4338] process_one_work+0x7e4/0x13bc [ 51.845166][ T4338] worker_thread+0x8cc/0xfe8 [ 51.845977][ T4338] kthread+0x254/0x2e0 [ 51.846636][ T4338] ret_from_fork+0x10/0x20 [ 51.847363][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 51.848435][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.850109][ T4343] Workqueue: hci3 hci_cmd_work [ 51.850938][ T4343] Call trace: [ 51.851499][ T4343] dump_backtrace+0x1c4/0x1f0 [ 51.852267][ T4343] show_stack+0x2c/0x3c [ 51.853003][ T4343] __dump_stack+0x30/0x40 [ 51.853764][ T4343] dump_stack_lvl+0xf4/0x15c [ 51.854550][ T4343] dump_stack+0x1c/0x5c [ 51.855303][ T4343] should_fail_ex+0x3cc/0x524 [ 51.856120][ T4343] __should_failslab+0xc0/0x11c [ 51.856927][ T4343] should_failslab+0x10/0x28 [ 51.857687][ T4343] kmem_cache_alloc+0x88/0x310 [ 51.858489][ T4343] skb_clone+0x194/0x308 [ 51.858641][ T48] FAULT_INJECTION: forcing a failure. [ 51.858641][ T48] name failslab, interval 1, probability 100, space 0, times 77 [ 51.859248][ T4343] hci_cmd_work+0xb4/0x4e8 [ 51.862091][ T4343] process_one_work+0x7e4/0x13bc [ 51.862966][ T4343] worker_thread+0x8cc/0xfe8 [ 51.863760][ T4343] kthread+0x254/0x2e0 [ 51.864464][ T4343] ret_from_fork+0x10/0x20 [ 51.865290][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.865331][ T4344] FAULT_INJECTION: forcing a failure. [ 51.865331][ T4344] name failslab, interval 1, probability 100, space 0, times 76 [ 51.866419][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.870163][ T48] Workqueue: hci1 hci_cmd_work [ 51.870955][ T48] Call trace: [ 51.871517][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.872358][ T48] show_stack+0x2c/0x3c [ 51.873094][ T48] __dump_stack+0x30/0x40 [ 51.873867][ T48] dump_stack_lvl+0xf4/0x15c [ 51.874689][ T48] dump_stack+0x1c/0x5c [ 51.875434][ T48] should_fail_ex+0x3cc/0x524 [ 51.876281][ T48] __should_failslab+0xc0/0x11c [ 51.877147][ T48] should_failslab+0x10/0x28 [ 51.877965][ T48] kmem_cache_alloc+0x88/0x310 [ 51.878613][ T4332] FAULT_INJECTION: forcing a failure. [ 51.878613][ T4332] name failslab, interval 1, probability 100, space 0, times 75 [ 51.878797][ T48] skb_clone+0x194/0x308 [ 51.881681][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.882469][ T48] process_one_work+0x7e4/0x13bc [ 51.883369][ T48] worker_thread+0x8cc/0xfe8 [ 51.884150][ T48] kthread+0x254/0x2e0 [ 51.884860][ T48] ret_from_fork+0x10/0x20 [ 51.885636][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 51.885734][ T4338] FAULT_INJECTION: forcing a failure. [ 51.885734][ T4338] name failslab, interval 1, probability 100, space 0, times 74 [ 51.886901][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.890785][ T4332] Workqueue: hci4 hci_cmd_work [ 51.891681][ T4332] Call trace: [ 51.892314][ T4332] dump_backtrace+0x1c4/0x1f0 [ 51.893231][ T4332] show_stack+0x2c/0x3c [ 51.894014][ T4332] __dump_stack+0x30/0x40 [ 51.894771][ T4332] dump_stack_lvl+0xf4/0x15c [ 51.895579][ T4332] dump_stack+0x1c/0x5c [ 51.896314][ T4332] should_fail_ex+0x3cc/0x524 [ 51.897236][ T4332] __should_failslab+0xc0/0x11c [ 51.898159][ T4332] should_failslab+0x10/0x28 [ 51.898631][ T48] FAULT_INJECTION: forcing a failure. [ 51.898631][ T48] name failslab, interval 1, probability 100, space 0, times 73 [ 51.899000][ T4332] kmem_cache_alloc+0x88/0x310 [ 51.901931][ T4332] skb_clone+0x194/0x308 [ 51.902717][ T4332] hci_cmd_work+0xb4/0x4e8 [ 51.903515][ T4332] process_one_work+0x7e4/0x13bc [ 51.904388][ T4332] worker_thread+0x8cc/0xfe8 [ 51.905227][ T4332] kthread+0x254/0x2e0 [ 51.905982][ T4332] ret_from_fork+0x10/0x20 [ 51.906796][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 51.907988][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.909749][ T48] Workqueue: hci1 hci_cmd_work [ 51.910574][ T48] Call trace: [ 51.911158][ T48] dump_backtrace+0x1c4/0x1f0 [ 51.911975][ T48] show_stack+0x2c/0x3c [ 51.912687][ T48] __dump_stack+0x30/0x40 [ 51.913444][ T48] dump_stack_lvl+0xf4/0x15c [ 51.914246][ T48] dump_stack+0x1c/0x5c [ 51.914989][ T48] should_fail_ex+0x3cc/0x524 [ 51.915841][ T48] __should_failslab+0xc0/0x11c [ 51.916676][ T48] should_failslab+0x10/0x28 [ 51.917520][ T48] kmem_cache_alloc+0x88/0x310 [ 51.918415][ T48] skb_clone+0x194/0x308 [ 51.918617][ T4343] FAULT_INJECTION: forcing a failure. [ 51.918617][ T4343] name failslab, interval 1, probability 100, space 0, times 72 [ 51.919174][ T48] hci_cmd_work+0xb4/0x4e8 [ 51.922066][ T48] process_one_work+0x7e4/0x13bc [ 51.922918][ T48] worker_thread+0x8cc/0xfe8 [ 51.923672][ T48] kthread+0x254/0x2e0 [ 51.924376][ T48] ret_from_fork+0x10/0x20 [ 51.925178][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 51.926424][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.928176][ T4343] Workqueue: hci3 hci_cmd_work [ 51.929085][ T4343] Call trace: [ 51.929709][ T4343] dump_backtrace+0x1c4/0x1f0 [ 51.930623][ T4343] show_stack+0x2c/0x3c [ 51.931353][ T4343] __dump_stack+0x30/0x40 [ 51.932135][ T4343] dump_stack_lvl+0xf4/0x15c [ 51.932963][ T4343] dump_stack+0x1c/0x5c [ 51.933731][ T4343] should_fail_ex+0x3cc/0x524 [ 51.934541][ T4343] __should_failslab+0xc0/0x11c [ 51.935407][ T4343] should_failslab+0x10/0x28 [ 51.936188][ T4343] kmem_cache_alloc+0x88/0x310 [ 51.937029][ T4343] skb_clone+0x194/0x308 [ 51.937808][ T4343] hci_cmd_work+0xb4/0x4e8 [ 51.938599][ T4343] process_one_work+0x7e4/0x13bc [ 51.939447][ T4343] worker_thread+0x8cc/0xfe8 [ 51.940272][ T4343] kthread+0x254/0x2e0 [ 51.940986][ T4343] ret_from_fork+0x10/0x20 [ 51.941791][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.942984][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.944609][ T4338] Workqueue: hci0 hci_cmd_work [ 51.945366][ T4338] Call trace: [ 51.945885][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.946625][ T4338] show_stack+0x2c/0x3c [ 51.947293][ T4338] __dump_stack+0x30/0x40 [ 51.947989][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.948777][ T4338] dump_stack+0x1c/0x5c [ 51.949568][ T4338] should_fail_ex+0x3cc/0x524 [ 51.950462][ T4338] __should_failslab+0xc0/0x11c [ 51.951336][ T4338] should_failslab+0x10/0x28 [ 51.952119][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.952940][ T4338] skb_clone+0x194/0x308 [ 51.953679][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.954398][ T4338] process_one_work+0x7e4/0x13bc [ 51.955244][ T4338] worker_thread+0x8cc/0xfe8 [ 51.956098][ T4338] kthread+0x254/0x2e0 [ 51.956842][ T4338] ret_from_fork+0x10/0x20 [ 51.957631][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 51.957716][ T48] FAULT_INJECTION: forcing a failure. [ 51.957716][ T48] name failslab, interval 1, probability 100, space 0, times 71 [ 51.958850][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.958864][ T4344] Workqueue: hci2 hci_cmd_work [ 51.963571][ T4344] Call trace: [ 51.964144][ T4344] dump_backtrace+0x1c4/0x1f0 [ 51.964964][ T4344] show_stack+0x2c/0x3c [ 51.965698][ T4344] __dump_stack+0x30/0x40 [ 51.966488][ T4344] dump_stack_lvl+0xf4/0x15c [ 51.967357][ T4344] dump_stack+0x1c/0x5c [ 51.968156][ T4344] should_fail_ex+0x3cc/0x524 [ 51.968650][ T4338] FAULT_INJECTION: forcing a failure. [ 51.968650][ T4338] name failslab, interval 1, probability 100, space 0, times 70 [ 51.969018][ T4344] __should_failslab+0xc0/0x11c [ 51.971839][ T4344] should_failslab+0x10/0x28 [ 51.972702][ T4344] kmem_cache_alloc+0x88/0x310 [ 51.973616][ T4344] skb_clone+0x194/0x308 [ 51.974375][ T4344] hci_cmd_work+0xb4/0x4e8 [ 51.975155][ T4344] process_one_work+0x7e4/0x13bc [ 51.976065][ T4344] worker_thread+0x8cc/0xfe8 [ 51.976912][ T4344] kthread+0x254/0x2e0 [ 51.977690][ T4344] ret_from_fork+0x10/0x20 [ 51.978530][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 51.978620][ T4332] FAULT_INJECTION: forcing a failure. [ 51.978620][ T4332] name failslab, interval 1, probability 100, space 0, times 69 [ 51.979795][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 51.983662][ T4338] Workqueue: hci0 hci_cmd_work [ 51.984491][ T4338] Call trace: [ 51.985053][ T4338] dump_backtrace+0x1c4/0x1f0 [ 51.985886][ T4338] show_stack+0x2c/0x3c [ 51.986675][ T4338] __dump_stack+0x30/0x40 [ 51.987489][ T4338] dump_stack_lvl+0xf4/0x15c [ 51.988291][ T4338] dump_stack+0x1c/0x5c [ 51.989040][ T4338] should_fail_ex+0x3cc/0x524 [ 51.989949][ T4338] __should_failslab+0xc0/0x11c [ 51.990804][ T4338] should_failslab+0x10/0x28 [ 51.991607][ T4338] kmem_cache_alloc+0x88/0x310 [ 51.992463][ T4338] skb_clone+0x194/0x308 [ 51.993265][ T4338] hci_cmd_work+0xb4/0x4e8 [ 51.994095][ T4338] process_one_work+0x7e4/0x13bc [ 51.994947][ T4338] worker_thread+0x8cc/0xfe8 [ 51.995750][ T4338] kthread+0x254/0x2e0 [ 51.996459][ T4338] ret_from_fork+0x10/0x20 [ 51.997200][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 51.998427][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.000370][ T4332] Workqueue: hci4 hci_cmd_work [ 52.001240][ T4332] Call trace: [ 52.001821][ T4332] dump_backtrace+0x1c4/0x1f0 [ 52.002651][ T4332] show_stack+0x2c/0x3c [ 52.003384][ T4332] __dump_stack+0x30/0x40 [ 52.004136][ T4332] dump_stack_lvl+0xf4/0x15c [ 52.004914][ T4332] dump_stack+0x1c/0x5c [ 52.005640][ T4332] should_fail_ex+0x3cc/0x524 [ 52.006460][ T4332] __should_failslab+0xc0/0x11c [ 52.007313][ T4332] should_failslab+0x10/0x28 [ 52.008129][ T4332] kmem_cache_alloc+0x88/0x310 [ 52.008987][ T4332] skb_clone+0x194/0x308 [ 52.009738][ T4332] hci_cmd_work+0xb4/0x4e8 [ 52.010513][ T4332] process_one_work+0x7e4/0x13bc [ 52.011385][ T4332] worker_thread+0x8cc/0xfe8 [ 52.012216][ T4332] kthread+0x254/0x2e0 [ 52.012938][ T4332] ret_from_fork+0x10/0x20 [ 52.013689][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.013755][ T4343] FAULT_INJECTION: forcing a failure. [ 52.013755][ T4343] name failslab, interval 1, probability 100, space 0, times 68 [ 52.014797][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.018387][ T48] Workqueue: hci1 hci_cmd_work [ 52.019200][ T48] Call trace: [ 52.019804][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.020684][ T48] show_stack+0x2c/0x3c [ 52.021434][ T48] __dump_stack+0x30/0x40 [ 52.022160][ T48] dump_stack_lvl+0xf4/0x15c [ 52.022940][ T48] dump_stack+0x1c/0x5c [ 52.023659][ T48] should_fail_ex+0x3cc/0x524 [ 52.024479][ T48] __should_failslab+0xc0/0x11c [ 52.025292][ T48] should_failslab+0x10/0x28 [ 52.026093][ T48] kmem_cache_alloc+0x88/0x310 [ 52.026930][ T48] skb_clone+0x194/0x308 [ 52.027672][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.028471][ T48] process_one_work+0x7e4/0x13bc [ 52.029311][ T48] worker_thread+0x8cc/0xfe8 [ 52.030150][ T48] kthread+0x254/0x2e0 [ 52.030917][ T48] ret_from_fork+0x10/0x20 [ 52.031675][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.031758][ T4338] FAULT_INJECTION: forcing a failure. [ 52.031758][ T4338] name failslab, interval 1, probability 100, space 0, times 67 [ 52.033044][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.037055][ T4343] Workqueue: hci3 hci_cmd_work [ 52.037901][ T4343] Call trace: [ 52.038483][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.039329][ T4343] show_stack+0x2c/0x3c [ 52.040116][ T4343] __dump_stack+0x30/0x40 [ 52.040954][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.041780][ T4343] dump_stack+0x1c/0x5c [ 52.042514][ T4343] should_fail_ex+0x3cc/0x524 [ 52.043330][ T4343] __should_failslab+0xc0/0x11c [ 52.044165][ T4343] should_failslab+0x10/0x28 [ 52.044999][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.045853][ T4343] skb_clone+0x194/0x308 [ 52.046641][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.047461][ T4343] process_one_work+0x7e4/0x13bc [ 52.048397][ T4343] worker_thread+0x8cc/0xfe8 [ 52.048628][ T48] FAULT_INJECTION: forcing a failure. [ 52.048628][ T48] name failslab, interval 1, probability 100, space 0, times 66 [ 52.049244][ T4343] kthread+0x254/0x2e0 [ 52.051971][ T4343] ret_from_fork+0x10/0x20 [ 52.052776][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.052859][ T4344] FAULT_INJECTION: forcing a failure. [ 52.052859][ T4344] name failslab, interval 1, probability 100, space 0, times 65 [ 52.054018][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.057896][ T48] Workqueue: hci1 hci_cmd_work [ 52.058726][ T48] Call trace: [ 52.059296][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.060144][ T48] show_stack+0x2c/0x3c [ 52.060845][ T48] __dump_stack+0x30/0x40 [ 52.061588][ T48] dump_stack_lvl+0xf4/0x15c [ 52.062368][ T48] dump_stack+0x1c/0x5c [ 52.063083][ T48] should_fail_ex+0x3cc/0x524 [ 52.063905][ T48] __should_failslab+0xc0/0x11c [ 52.064713][ T48] should_failslab+0x10/0x28 [ 52.065480][ T48] kmem_cache_alloc+0x88/0x310 [ 52.066311][ T48] skb_clone+0x194/0x308 [ 52.067062][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.067814][ T48] process_one_work+0x7e4/0x13bc [ 52.068611][ T4332] FAULT_INJECTION: forcing a failure. [ 52.068611][ T4332] name failslab, interval 1, probability 100, space 0, times 64 [ 52.068660][ T48] worker_thread+0x8cc/0xfe8 [ 52.071610][ T48] kthread+0x254/0x2e0 [ 52.072332][ T48] ret_from_fork+0x10/0x20 [ 52.073106][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 52.074327][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.076023][ T4332] Workqueue: hci4 hci_cmd_work [ 52.076828][ T4332] Call trace: [ 52.077398][ T4332] dump_backtrace+0x1c4/0x1f0 [ 52.078209][ T4332] show_stack+0x2c/0x3c [ 52.078935][ T4332] __dump_stack+0x30/0x40 [ 52.079746][ T4332] dump_stack_lvl+0xf4/0x15c [ 52.080579][ T4332] dump_stack+0x1c/0x5c [ 52.081316][ T4332] should_fail_ex+0x3cc/0x524 [ 52.082172][ T4332] __should_failslab+0xc0/0x11c [ 52.083107][ T4332] should_failslab+0x10/0x28 [ 52.083906][ T4332] kmem_cache_alloc+0x88/0x310 [ 52.084699][ T4332] skb_clone+0x194/0x308 [ 52.085469][ T4332] hci_cmd_work+0xb4/0x4e8 [ 52.086273][ T4332] process_one_work+0x7e4/0x13bc [ 52.087146][ T4332] worker_thread+0x8cc/0xfe8 [ 52.087941][ T4332] kthread+0x254/0x2e0 [ 52.088649][ T4332] ret_from_fork+0x10/0x20 [ 52.089461][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.090651][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.092231][ T4338] Workqueue: hci0 hci_cmd_work [ 52.093010][ T4338] Call trace: [ 52.093508][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.094193][ T4338] show_stack+0x2c/0x3c [ 52.094875][ T4338] __dump_stack+0x30/0x40 [ 52.095573][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.096364][ T4338] dump_stack+0x1c/0x5c [ 52.097045][ T4338] should_fail_ex+0x3cc/0x524 [ 52.097836][ T4338] __should_failslab+0xc0/0x11c [ 52.098650][ T4338] should_failslab+0x10/0x28 [ 52.099438][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.100238][ T4338] skb_clone+0x194/0x308 [ 52.100989][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.101767][ T4338] process_one_work+0x7e4/0x13bc [ 52.102609][ T4338] worker_thread+0x8cc/0xfe8 [ 52.103423][ T4338] kthread+0x254/0x2e0 [ 52.104160][ T4338] ret_from_fork+0x10/0x20 [ 52.104968][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.105038][ T48] FAULT_INJECTION: forcing a failure. [ 52.105038][ T48] name failslab, interval 1, probability 100, space 0, times 63 [ 52.106112][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.109782][ T4344] Workqueue: hci2 hci_cmd_work [ 52.110624][ T4344] Call trace: [ 52.111201][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.112046][ T4344] show_stack+0x2c/0x3c [ 52.112815][ T4344] __dump_stack+0x30/0x40 [ 52.113550][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.114357][ T4344] dump_stack+0x1c/0x5c [ 52.115059][ T4344] should_fail_ex+0x3cc/0x524 [ 52.115849][ T4344] __should_failslab+0xc0/0x11c [ 52.116737][ T4344] should_failslab+0x10/0x28 [ 52.117611][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.118522][ T4344] skb_clone+0x194/0x308 [ 52.119292][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.120081][ T4344] process_one_work+0x7e4/0x13bc [ 52.121005][ T4344] worker_thread+0x8cc/0xfe8 [ 52.121827][ T4344] kthread+0x254/0x2e0 [ 52.122574][ T4344] ret_from_fork+0x10/0x20 [ 52.123382][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.123469][ T4343] FAULT_INJECTION: forcing a failure. [ 52.123469][ T4343] name failslab, interval 1, probability 100, space 0, times 62 [ 52.124597][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.128245][ T48] Workqueue: hci1 hci_cmd_work [ 52.129055][ T48] Call trace: [ 52.129602][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.130408][ T48] show_stack+0x2c/0x3c [ 52.131124][ T48] __dump_stack+0x30/0x40 [ 52.131879][ T48] dump_stack_lvl+0xf4/0x15c [ 52.132729][ T48] dump_stack+0x1c/0x5c [ 52.133507][ T48] should_fail_ex+0x3cc/0x524 [ 52.134347][ T48] __should_failslab+0xc0/0x11c [ 52.135202][ T48] should_failslab+0x10/0x28 [ 52.136031][ T48] kmem_cache_alloc+0x88/0x310 [ 52.136894][ T48] skb_clone+0x194/0x308 [ 52.137699][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.138515][ T48] process_one_work+0x7e4/0x13bc [ 52.138612][ T4332] FAULT_INJECTION: forcing a failure. [ 52.138612][ T4332] name failslab, interval 1, probability 100, space 0, times 61 [ 52.139337][ T48] worker_thread+0x8cc/0xfe8 [ 52.142282][ T48] kthread+0x254/0x2e0 [ 52.142989][ T48] ret_from_fork+0x10/0x20 [ 52.143771][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 52.143856][ T4338] FAULT_INJECTION: forcing a failure. [ 52.143856][ T4338] name failslab, interval 1, probability 100, space 0, times 60 [ 52.144952][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.148754][ T4332] Workqueue: hci4 hci_cmd_work [ 52.149690][ T4332] Call trace: [ 52.150336][ T4332] dump_backtrace+0x1c4/0x1f0 [ 52.151158][ T4332] show_stack+0x2c/0x3c [ 52.151909][ T4332] __dump_stack+0x30/0x40 [ 52.152694][ T4332] dump_stack_lvl+0xf4/0x15c [ 52.153475][ T4332] dump_stack+0x1c/0x5c [ 52.154259][ T4332] should_fail_ex+0x3cc/0x524 [ 52.155107][ T4332] __should_failslab+0xc0/0x11c [ 52.155971][ T4332] should_failslab+0x10/0x28 [ 52.156857][ T4332] kmem_cache_alloc+0x88/0x310 [ 52.157726][ T4332] skb_clone+0x194/0x308 [ 52.158487][ T4332] hci_cmd_work+0xb4/0x4e8 [ 52.159223][ T4332] process_one_work+0x7e4/0x13bc [ 52.160114][ T4332] worker_thread+0x8cc/0xfe8 [ 52.160919][ T4332] kthread+0x254/0x2e0 [ 52.161642][ T4332] ret_from_fork+0x10/0x20 [ 52.162443][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.163671][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.165229][ T4338] Workqueue: hci0 hci_cmd_work [ 52.165969][ T4338] Call trace: [ 52.166489][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.167241][ T4338] show_stack+0x2c/0x3c [ 52.167909][ T4338] __dump_stack+0x30/0x40 [ 52.168676][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.169461][ T4338] dump_stack+0x1c/0x5c [ 52.170188][ T4338] should_fail_ex+0x3cc/0x524 [ 52.170983][ T4338] __should_failslab+0xc0/0x11c [ 52.171820][ T4338] should_failslab+0x10/0x28 [ 52.172622][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.173430][ T4338] skb_clone+0x194/0x308 [ 52.174136][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.174905][ T4338] process_one_work+0x7e4/0x13bc [ 52.175770][ T4338] worker_thread+0x8cc/0xfe8 [ 52.176548][ T4338] kthread+0x254/0x2e0 [ 52.177262][ T4338] ret_from_fork+0x10/0x20 [ 52.178027][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.178107][ T48] FAULT_INJECTION: forcing a failure. [ 52.178107][ T48] name failslab, interval 1, probability 100, space 0, times 59 [ 52.179247][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.183074][ T4343] Workqueue: hci3 hci_cmd_work [ 52.183980][ T4343] Call trace: [ 52.184612][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.185461][ T4343] show_stack+0x2c/0x3c [ 52.186227][ T4343] __dump_stack+0x30/0x40 [ 52.187045][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.187902][ T4343] dump_stack+0x1c/0x5c [ 52.188638][ T4338] FAULT_INJECTION: forcing a failure. [ 52.188638][ T4338] name failslab, interval 1, probability 100, space 0, times 58 [ 52.188661][ T4343] should_fail_ex+0x3cc/0x524 [ 52.191766][ T4343] __should_failslab+0xc0/0x11c [ 52.192657][ T4343] should_failslab+0x10/0x28 [ 52.193543][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.194531][ T4343] skb_clone+0x194/0x308 [ 52.195356][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.196219][ T4343] process_one_work+0x7e4/0x13bc [ 52.197165][ T4343] worker_thread+0x8cc/0xfe8 [ 52.198001][ T4343] kthread+0x254/0x2e0 [ 52.198726][ T4343] ret_from_fork+0x10/0x20 [ 52.199501][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.199575][ T4344] FAULT_INJECTION: forcing a failure. [ 52.199575][ T4344] name failslab, interval 1, probability 100, space 0, times 57 [ 52.200744][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.204534][ T48] Workqueue: hci1 hci_cmd_work [ 52.205363][ T48] Call trace: [ 52.205892][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.206686][ T48] show_stack+0x2c/0x3c [ 52.207379][ T48] __dump_stack+0x30/0x40 [ 52.208031][ T48] dump_stack_lvl+0xf4/0x15c [ 52.208770][ T48] dump_stack+0x1c/0x5c [ 52.209502][ T48] should_fail_ex+0x3cc/0x524 [ 52.210411][ T48] __should_failslab+0xc0/0x11c [ 52.211327][ T48] should_failslab+0x10/0x28 [ 52.212147][ T48] kmem_cache_alloc+0x88/0x310 [ 52.212990][ T48] skb_clone+0x194/0x308 [ 52.213767][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.214602][ T48] process_one_work+0x7e4/0x13bc [ 52.215514][ T48] worker_thread+0x8cc/0xfe8 [ 52.216353][ T48] kthread+0x254/0x2e0 [ 52.217083][ T48] ret_from_fork+0x10/0x20 [ 52.217880][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.219233][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.221147][ T4344] Workqueue: hci2 hci_cmd_work [ 52.222032][ T4344] Call trace: [ 52.222673][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.223539][ T4344] show_stack+0x2c/0x3c [ 52.224343][ T4344] __dump_stack+0x30/0x40 [ 52.225178][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.225995][ T4344] dump_stack+0x1c/0x5c [ 52.226721][ T4344] should_fail_ex+0x3cc/0x524 [ 52.227516][ T4344] __should_failslab+0xc0/0x11c [ 52.228370][ T4344] should_failslab+0x10/0x28 [ 52.228622][ T48] FAULT_INJECTION: forcing a failure. [ 52.228622][ T48] name failslab, interval 1, probability 100, space 0, times 56 [ 52.229180][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.232026][ T4344] skb_clone+0x194/0x308 [ 52.232777][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.233625][ T4344] process_one_work+0x7e4/0x13bc [ 52.234522][ T4344] worker_thread+0x8cc/0xfe8 [ 52.235331][ T4344] kthread+0x254/0x2e0 [ 52.236040][ T4344] ret_from_fork+0x10/0x20 [ 52.236784][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.236867][ T4332] FAULT_INJECTION: forcing a failure. [ 52.236867][ T4332] name failslab, interval 1, probability 100, space 0, times 55 [ 52.238008][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.241846][ T48] Workqueue: hci1 hci_cmd_work [ 52.242667][ T48] Call trace: [ 52.243272][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.244143][ T48] show_stack+0x2c/0x3c [ 52.244830][ T48] __dump_stack+0x30/0x40 [ 52.245622][ T48] dump_stack_lvl+0xf4/0x15c [ 52.246435][ T48] dump_stack+0x1c/0x5c [ 52.247185][ T48] should_fail_ex+0x3cc/0x524 [ 52.248018][ T48] __should_failslab+0xc0/0x11c [ 52.248863][ T48] should_failslab+0x10/0x28 [ 52.249653][ T48] kmem_cache_alloc+0x88/0x310 [ 52.250497][ T48] skb_clone+0x194/0x308 [ 52.251251][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.252014][ T48] process_one_work+0x7e4/0x13bc [ 52.252891][ T48] worker_thread+0x8cc/0xfe8 [ 52.253673][ T48] kthread+0x254/0x2e0 [ 52.254387][ T48] ret_from_fork+0x10/0x20 [ 52.255194][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 52.256446][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.258133][ T4332] Workqueue: hci4 hci_cmd_work [ 52.258965][ T4332] Call trace: [ 52.259534][ T4332] dump_backtrace+0x1c4/0x1f0 [ 52.260364][ T4332] show_stack+0x2c/0x3c [ 52.261080][ T4332] __dump_stack+0x30/0x40 [ 52.261828][ T4332] dump_stack_lvl+0xf4/0x15c [ 52.262708][ T4332] dump_stack+0x1c/0x5c [ 52.263449][ T4332] should_fail_ex+0x3cc/0x524 [ 52.264293][ T4332] __should_failslab+0xc0/0x11c [ 52.265200][ T4332] should_failslab+0x10/0x28 [ 52.266031][ T4332] kmem_cache_alloc+0x88/0x310 [ 52.266860][ T4332] skb_clone+0x194/0x308 [ 52.267589][ T4332] hci_cmd_work+0xb4/0x4e8 [ 52.268540][ T4332] process_one_work+0x7e4/0x13bc [ 52.269524][ T4332] worker_thread+0x8cc/0xfe8 [ 52.270425][ T4332] kthread+0x254/0x2e0 [ 52.271261][ T4332] ret_from_fork+0x10/0x20 [ 52.272098][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.272279][ T4343] FAULT_INJECTION: forcing a failure. [ 52.272279][ T4343] name failslab, interval 1, probability 100, space 0, times 53 [ 52.273276][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.273291][ T4338] Workqueue: hci0 hci_cmd_work [ 52.277718][ T4338] Call trace: [ 52.278253][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.279118][ T4338] show_stack+0x2c/0x3c [ 52.279865][ T4338] __dump_stack+0x30/0x40 [ 52.280684][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.281534][ T4338] dump_stack+0x1c/0x5c [ 52.282298][ T4338] should_fail_ex+0x3cc/0x524 [ 52.283148][ T4338] __should_failslab+0xc0/0x11c [ 52.284030][ T4338] should_failslab+0x10/0x28 [ 52.284797][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.285606][ T4338] skb_clone+0x194/0x308 [ 52.286342][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.287152][ T4338] process_one_work+0x7e4/0x13bc [ 52.287980][ T4338] worker_thread+0x8cc/0xfe8 [ 52.288794][ T4338] kthread+0x254/0x2e0 [ 52.289532][ T4338] ret_from_fork+0x10/0x20 [ 52.290341][ T7] CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted syzkaller #0 [ 52.290420][ T48] FAULT_INJECTION: forcing a failure. [ 52.290420][ T48] name failslab, interval 1, probability 100, space 0, times 52 [ 52.291566][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.295287][ T7] Workqueue: events nsim_fib_event_work [ 52.296316][ T7] Call trace: [ 52.296841][ T7] dump_backtrace+0x1c4/0x1f0 [ 52.297621][ T7] show_stack+0x2c/0x3c [ 52.298337][ T7] __dump_stack+0x30/0x40 [ 52.299111][ T7] dump_stack_lvl+0xf4/0x15c [ 52.299964][ T7] dump_stack+0x1c/0x5c [ 52.300719][ T7] should_fail_ex+0x3cc/0x524 [ 52.301585][ T7] __should_failslab+0xc0/0x11c [ 52.302531][ T7] should_failslab+0x10/0x28 [ 52.303360][ T7] __kmem_cache_alloc_node+0x7c/0x318 [ 52.304348][ T7] kmalloc_trace+0x48/0x94 [ 52.305178][ T7] nsim_fib_event_work+0x614/0x2708 [ 52.306117][ T7] process_one_work+0x7e4/0x13bc [ 52.306995][ T7] worker_thread+0xafc/0xfe8 [ 52.307892][ T7] kthread+0x254/0x2e0 [ 52.308590][ T7] ret_from_fork+0x10/0x20 [ 52.308627][ T4338] FAULT_INJECTION: forcing a failure. [ 52.308627][ T4338] name failslab, interval 1, probability 100, space 0, times 51 [ 52.309525][ T4332] FAULT_INJECTION: forcing a failure. [ 52.309525][ T4332] name failslab, interval 1, probability 100, space 0, times 50 [ 52.311531][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.314899][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.316642][ T4338] Workqueue: hci0 hci_cmd_work [ 52.317421][ T4338] Call trace: [ 52.317963][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.318739][ T4338] show_stack+0x2c/0x3c [ 52.319413][ T4338] __dump_stack+0x30/0x40 [ 52.320135][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.320888][ T4338] dump_stack+0x1c/0x5c [ 52.321612][ T4338] should_fail_ex+0x3cc/0x524 [ 52.322413][ T4338] __should_failslab+0xc0/0x11c [ 52.323238][ T4338] should_failslab+0x10/0x28 [ 52.324061][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.324893][ T4338] skb_clone+0x194/0x308 [ 52.325632][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.326391][ T4338] process_one_work+0x7e4/0x13bc [ 52.327280][ T4338] worker_thread+0x8cc/0xfe8 [ 52.328151][ T4338] kthread+0x254/0x2e0 [ 52.328645][ T4344] FAULT_INJECTION: forcing a failure. [ 52.328645][ T4344] name failslab, interval 1, probability 100, space 0, times 49 [ 52.328890][ T4338] ret_from_fork+0x10/0x20 [ 52.331799][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.333048][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.334809][ T4344] Workqueue: hci2 hci_cmd_work [ 52.335573][ T4344] Call trace: [ 52.336084][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.336837][ T4344] show_stack+0x2c/0x3c [ 52.337548][ T4344] __dump_stack+0x30/0x40 [ 52.338259][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.339110][ T4344] dump_stack+0x1c/0x5c [ 52.339915][ T4344] should_fail_ex+0x3cc/0x524 [ 52.340792][ T4344] __should_failslab+0xc0/0x11c [ 52.341671][ T4344] should_failslab+0x10/0x28 [ 52.342552][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.343451][ T4344] skb_clone+0x194/0x308 [ 52.344208][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.345036][ T4344] process_one_work+0x7e4/0x13bc [ 52.345969][ T4344] worker_thread+0x8cc/0xfe8 [ 52.346825][ T4344] kthread+0x254/0x2e0 [ 52.347575][ T4344] ret_from_fork+0x10/0x20 [ 52.348408][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.349774][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.351434][ T48] Workqueue: hci1 hci_cmd_work [ 52.352273][ T48] Call trace: [ 52.352856][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.353692][ T48] show_stack+0x2c/0x3c [ 52.354441][ T48] __dump_stack+0x30/0x40 [ 52.355177][ T48] dump_stack_lvl+0xf4/0x15c [ 52.355998][ T48] dump_stack+0x1c/0x5c [ 52.356749][ T48] should_fail_ex+0x3cc/0x524 [ 52.357587][ T48] __should_failslab+0xc0/0x11c [ 52.358464][ T48] should_failslab+0x10/0x28 [ 52.359309][ T48] kmem_cache_alloc+0x88/0x310 [ 52.360147][ T48] skb_clone+0x194/0x308 [ 52.360852][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.361594][ T48] process_one_work+0x7e4/0x13bc [ 52.362437][ T48] worker_thread+0x8cc/0xfe8 [ 52.363282][ T48] kthread+0x254/0x2e0 [ 52.364074][ T48] ret_from_fork+0x10/0x20 [ 52.364819][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.364929][ T4338] FAULT_INJECTION: forcing a failure. [ 52.364929][ T4338] name failslab, interval 1, probability 100, space 0, times 48 [ 52.366127][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.370091][ T4343] Workqueue: hci3 hci_cmd_work [ 52.370976][ T4343] Call trace: [ 52.371586][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.372490][ T4343] show_stack+0x2c/0x3c [ 52.373207][ T4343] __dump_stack+0x30/0x40 [ 52.373968][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.374769][ T4343] dump_stack+0x1c/0x5c [ 52.375499][ T4343] should_fail_ex+0x3cc/0x524 [ 52.376372][ T4343] __should_failslab+0xc0/0x11c [ 52.377277][ T4343] should_failslab+0x10/0x28 [ 52.378100][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.378968][ T4343] skb_clone+0x194/0x308 [ 52.379726][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.380513][ T4343] process_one_work+0x7e4/0x13bc [ 52.381390][ T4343] worker_thread+0x8cc/0xfe8 [ 52.382222][ T4343] kthread+0x254/0x2e0 [ 52.382923][ T4343] ret_from_fork+0x10/0x20 [ 52.383730][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.384987][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.386603][ T4338] Workqueue: hci0 hci_cmd_work [ 52.387423][ T4338] Call trace: [ 52.387978][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.388778][ T4338] show_stack+0x2c/0x3c [ 52.389565][ T4338] __dump_stack+0x30/0x40 [ 52.390324][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.391062][ T4338] dump_stack+0x1c/0x5c [ 52.391744][ T4338] should_fail_ex+0x3cc/0x524 [ 52.392536][ T4338] __should_failslab+0xc0/0x11c [ 52.393408][ T4338] should_failslab+0x10/0x28 [ 52.394191][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.395039][ T4338] skb_clone+0x194/0x308 [ 52.395787][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.396612][ T4338] process_one_work+0x7e4/0x13bc [ 52.397465][ T4338] worker_thread+0x8cc/0xfe8 [ 52.398258][ T4338] kthread+0x254/0x2e0 [ 52.398635][ T4344] FAULT_INJECTION: forcing a failure. [ 52.398635][ T4344] name failslab, interval 1, probability 100, space 0, times 47 [ 52.398952][ T4338] ret_from_fork+0x10/0x20 [ 52.401816][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.401893][ T48] FAULT_INJECTION: forcing a failure. [ 52.401893][ T48] name failslab, interval 1, probability 100, space 0, times 46 [ 52.402973][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.406668][ T4344] Workqueue: hci2 hci_cmd_work [ 52.407470][ T4344] Call trace: [ 52.408036][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.408888][ T4344] show_stack+0x2c/0x3c [ 52.409688][ T4344] __dump_stack+0x30/0x40 [ 52.410522][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.411415][ T4344] dump_stack+0x1c/0x5c [ 52.412227][ T4344] should_fail_ex+0x3cc/0x524 [ 52.413139][ T4344] __should_failslab+0xc0/0x11c [ 52.414087][ T4344] should_failslab+0x10/0x28 [ 52.414858][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.415723][ T4344] skb_clone+0x194/0x308 [ 52.416522][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.417375][ T4344] process_one_work+0x7e4/0x13bc [ 52.418338][ T4344] worker_thread+0x8cc/0xfe8 [ 52.418627][ T4338] FAULT_INJECTION: forcing a failure. [ 52.418627][ T4338] name failslab, interval 1, probability 100, space 0, times 45 [ 52.419167][ T4344] kthread+0x254/0x2e0 [ 52.422048][ T4344] ret_from_fork+0x10/0x20 [ 52.422858][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.424177][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.425740][ T4338] Workqueue: hci0 hci_cmd_work [ 52.426549][ T4338] Call trace: [ 52.427100][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.427861][ T4338] show_stack+0x2c/0x3c [ 52.428562][ T4338] __dump_stack+0x30/0x40 [ 52.429302][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.430120][ T4338] dump_stack+0x1c/0x5c [ 52.430852][ T4338] should_fail_ex+0x3cc/0x524 [ 52.431657][ T4338] __should_failslab+0xc0/0x11c [ 52.432563][ T4338] should_failslab+0x10/0x28 [ 52.433345][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.434165][ T4338] skb_clone+0x194/0x308 [ 52.434880][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.435672][ T4338] process_one_work+0x7e4/0x13bc [ 52.436562][ T4338] worker_thread+0x8cc/0xfe8 [ 52.437400][ T4338] kthread+0x254/0x2e0 [ 52.438122][ T4338] ret_from_fork+0x10/0x20 [ 52.438652][ T4343] FAULT_INJECTION: forcing a failure. [ 52.438652][ T4343] name failslab, interval 1, probability 100, space 0, times 44 [ 52.438951][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.442423][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.444016][ T48] Workqueue: hci1 hci_cmd_work [ 52.444792][ T48] Call trace: [ 52.445330][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.446106][ T48] show_stack+0x2c/0x3c [ 52.446823][ T48] __dump_stack+0x30/0x40 [ 52.447546][ T48] dump_stack_lvl+0xf4/0x15c [ 52.448285][ T48] dump_stack+0x1c/0x5c [ 52.449007][ T48] should_fail_ex+0x3cc/0x524 [ 52.449788][ T48] __should_failslab+0xc0/0x11c [ 52.450634][ T48] should_failslab+0x10/0x28 [ 52.451446][ T48] kmem_cache_alloc+0x88/0x310 [ 52.452236][ T48] skb_clone+0x194/0x308 [ 52.452976][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.453772][ T48] process_one_work+0x7e4/0x13bc [ 52.454661][ T48] worker_thread+0x8cc/0xfe8 [ 52.455517][ T48] kthread+0x254/0x2e0 [ 52.456232][ T48] ret_from_fork+0x10/0x20 [ 52.457006][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.457084][ T48] FAULT_INJECTION: forcing a failure. [ 52.457084][ T48] name failslab, interval 1, probability 100, space 0, times 43 [ 52.458230][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.462136][ T4343] Workqueue: hci3 hci_cmd_work [ 52.462978][ T4343] Call trace: [ 52.463516][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.464328][ T4343] show_stack+0x2c/0x3c [ 52.465084][ T4343] __dump_stack+0x30/0x40 [ 52.465860][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.466647][ T4343] dump_stack+0x1c/0x5c [ 52.467394][ T4343] should_fail_ex+0x3cc/0x524 [ 52.468192][ T4343] __should_failslab+0xc0/0x11c [ 52.468634][ T4338] FAULT_INJECTION: forcing a failure. [ 52.468634][ T4338] name failslab, interval 1, probability 100, space 0, times 42 [ 52.469040][ T4343] should_failslab+0x10/0x28 [ 52.471969][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.472827][ T4343] skb_clone+0x194/0x308 [ 52.473602][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.474414][ T4343] process_one_work+0x7e4/0x13bc [ 52.475309][ T4343] worker_thread+0x8cc/0xfe8 [ 52.476179][ T4343] kthread+0x254/0x2e0 [ 52.476958][ T4343] ret_from_fork+0x10/0x20 [ 52.477743][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.477842][ T4344] FAULT_INJECTION: forcing a failure. [ 52.477842][ T4344] name failslab, interval 1, probability 100, space 0, times 41 [ 52.479125][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.479137][ T4338] Workqueue: hci0 hci_cmd_work [ 52.484172][ T4338] Call trace: [ 52.484804][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.485706][ T4338] show_stack+0x2c/0x3c [ 52.486597][ T4338] __dump_stack+0x30/0x40 [ 52.487535][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.488339][ T4338] dump_stack+0x1c/0x5c [ 52.489097][ T4338] should_fail_ex+0x3cc/0x524 [ 52.489943][ T4338] __should_failslab+0xc0/0x11c [ 52.490813][ T4338] should_failslab+0x10/0x28 [ 52.491572][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.492434][ T4338] skb_clone+0x194/0x308 [ 52.493145][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.493901][ T4338] process_one_work+0x7e4/0x13bc [ 52.494750][ T4338] worker_thread+0x8cc/0xfe8 [ 52.495554][ T4338] kthread+0x254/0x2e0 [ 52.496283][ T4338] ret_from_fork+0x10/0x20 [ 52.497058][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.498282][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.500092][ T4344] Workqueue: hci2 hci_cmd_work [ 52.500964][ T4344] Call trace: [ 52.501549][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.502383][ T4344] show_stack+0x2c/0x3c [ 52.503164][ T4344] __dump_stack+0x30/0x40 [ 52.503975][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.504804][ T4344] dump_stack+0x1c/0x5c [ 52.505569][ T4344] should_fail_ex+0x3cc/0x524 [ 52.506433][ T4344] __should_failslab+0xc0/0x11c [ 52.507310][ T4344] should_failslab+0x10/0x28 [ 52.508147][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.509021][ T4344] skb_clone+0x194/0x308 [ 52.509767][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.510552][ T4344] process_one_work+0x7e4/0x13bc [ 52.511418][ T4344] worker_thread+0x8cc/0xfe8 [ 52.512200][ T4344] kthread+0x254/0x2e0 [ 52.512932][ T4344] ret_from_fork+0x10/0x20 [ 52.513705][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.514904][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.516587][ T48] Workqueue: hci1 hci_cmd_work [ 52.517408][ T48] Call trace: [ 52.517979][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.518840][ T48] show_stack+0x2c/0x3c [ 52.519548][ T48] __dump_stack+0x30/0x40 [ 52.520327][ T48] dump_stack_lvl+0xf4/0x15c [ 52.521125][ T48] dump_stack+0x1c/0x5c [ 52.521845][ T48] should_fail_ex+0x3cc/0x524 [ 52.522686][ T48] __should_failslab+0xc0/0x11c [ 52.523559][ T48] should_failslab+0x10/0x28 [ 52.524332][ T48] kmem_cache_alloc+0x88/0x310 [ 52.525142][ T48] skb_clone+0x194/0x308 [ 52.525871][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.526641][ T48] process_one_work+0x7e4/0x13bc [ 52.527501][ T48] worker_thread+0x8cc/0xfe8 [ 52.528265][ T48] kthread+0x254/0x2e0 [ 52.528925][ T48] ret_from_fork+0x10/0x20 [ 52.529645][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 52.529731][ T4338] FAULT_INJECTION: forcing a failure. [ 52.529731][ T4338] name failslab, interval 1, probability 100, space 0, times 40 [ 52.531067][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.534992][ T4332] Workqueue: hci4 hci_cmd_work [ 52.535889][ T4332] Call trace: [ 52.536465][ T4332] dump_backtrace+0x1c4/0x1f0 [ 52.537327][ T4332] show_stack+0x2c/0x3c [ 52.538052][ T4332] __dump_stack+0x30/0x40 [ 52.538775][ T4332] dump_stack_lvl+0xf4/0x15c [ 52.539600][ T4332] dump_stack+0x1c/0x5c [ 52.540358][ T4332] should_fail_ex+0x3cc/0x524 [ 52.541219][ T4332] __should_failslab+0xc0/0x11c [ 52.542125][ T4332] should_failslab+0x10/0x28 [ 52.542971][ T4332] kmem_cache_alloc+0x88/0x310 [ 52.543775][ T4332] skb_clone+0x194/0x308 [ 52.544511][ T4332] hci_cmd_work+0xb4/0x4e8 [ 52.545292][ T4332] process_one_work+0x7e4/0x13bc [ 52.546116][ T4332] worker_thread+0x8cc/0xfe8 [ 52.546983][ T4332] kthread+0x254/0x2e0 [ 52.547782][ T4332] ret_from_fork+0x10/0x20 [ 52.548579][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.548828][ T4344] FAULT_INJECTION: forcing a failure. [ 52.548828][ T4344] name failslab, interval 1, probability 100, space 0, times 38 [ 52.549956][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.549972][ T4338] Workqueue: hci0 hci_cmd_work [ 52.554642][ T4338] Call trace: [ 52.555220][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.556088][ T4338] show_stack+0x2c/0x3c [ 52.556802][ T4338] __dump_stack+0x30/0x40 [ 52.557590][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.558447][ T4338] dump_stack+0x1c/0x5c [ 52.559186][ T4338] should_fail_ex+0x3cc/0x524 [ 52.559981][ T4338] __should_failslab+0xc0/0x11c [ 52.560831][ T4338] should_failslab+0x10/0x28 [ 52.561619][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.562422][ T4338] skb_clone+0x194/0x308 [ 52.563156][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.563911][ T4338] process_one_work+0x7e4/0x13bc [ 52.564728][ T4338] worker_thread+0x8cc/0xfe8 [ 52.565529][ T4338] kthread+0x254/0x2e0 [ 52.566252][ T4338] ret_from_fork+0x10/0x20 [ 52.567024][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.567096][ T48] FAULT_INJECTION: forcing a failure. [ 52.567096][ T48] name failslab, interval 1, probability 100, space 0, times 37 [ 52.568269][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.572211][ T4344] Workqueue: hci2 hci_cmd_work [ 52.573151][ T4344] Call trace: [ 52.573772][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.574623][ T4344] show_stack+0x2c/0x3c [ 52.575393][ T4344] __dump_stack+0x30/0x40 [ 52.576209][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.577068][ T4344] dump_stack+0x1c/0x5c [ 52.577871][ T4344] should_fail_ex+0x3cc/0x524 [ 52.578778][ T4344] __should_failslab+0xc0/0x11c [ 52.579669][ T4344] should_failslab+0x10/0x28 [ 52.580479][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.581351][ T4344] skb_clone+0x194/0x308 [ 52.582127][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.582954][ T4344] process_one_work+0x7e4/0x13bc [ 52.583823][ T4344] worker_thread+0x8cc/0xfe8 [ 52.584684][ T4344] kthread+0x254/0x2e0 [ 52.585471][ T4344] ret_from_fork+0x10/0x20 [ 52.586355][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.586453][ T4343] FAULT_INJECTION: forcing a failure. [ 52.586453][ T4343] name failslab, interval 1, probability 100, space 0, times 36 [ 52.587571][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.591533][ T48] Workqueue: hci1 hci_cmd_work [ 52.592349][ T48] Call trace: [ 52.592914][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.593723][ T48] show_stack+0x2c/0x3c [ 52.594429][ T48] __dump_stack+0x30/0x40 [ 52.595177][ T48] dump_stack_lvl+0xf4/0x15c [ 52.595959][ T48] dump_stack+0x1c/0x5c [ 52.596687][ T48] should_fail_ex+0x3cc/0x524 [ 52.597470][ T48] __should_failslab+0xc0/0x11c [ 52.598288][ T48] should_failslab+0x10/0x28 [ 52.598691][ T4332] FAULT_INJECTION: forcing a failure. [ 52.598691][ T4332] name failslab, interval 1, probability 100, space 0, times 35 [ 52.599027][ T48] kmem_cache_alloc+0x88/0x310 [ 52.601955][ T48] skb_clone+0x194/0x308 [ 52.602662][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.603450][ T48] process_one_work+0x7e4/0x13bc [ 52.604318][ T48] worker_thread+0x8cc/0xfe8 [ 52.605171][ T48] kthread+0x254/0x2e0 [ 52.605902][ T48] ret_from_fork+0x10/0x20 [ 52.606766][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 52.606858][ T4338] FAULT_INJECTION: forcing a failure. [ 52.606858][ T4338] name failslab, interval 1, probability 100, space 0, times 34 [ 52.607971][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.611944][ T4332] Workqueue: hci4 hci_cmd_work [ 52.612819][ T4332] Call trace: [ 52.613454][ T4332] dump_backtrace+0x1c4/0x1f0 [ 52.614345][ T4332] show_stack+0x2c/0x3c [ 52.615121][ T4332] __dump_stack+0x30/0x40 [ 52.615922][ T4332] dump_stack_lvl+0xf4/0x15c [ 52.616753][ T4332] dump_stack+0x1c/0x5c [ 52.617512][ T4332] should_fail_ex+0x3cc/0x524 [ 52.618367][ T4332] __should_failslab+0xc0/0x11c [ 52.619210][ T4332] should_failslab+0x10/0x28 [ 52.620111][ T4332] kmem_cache_alloc+0x88/0x310 [ 52.620932][ T4332] skb_clone+0x194/0x308 [ 52.621681][ T4332] hci_cmd_work+0xb4/0x4e8 [ 52.622476][ T4332] process_one_work+0x7e4/0x13bc [ 52.623366][ T4332] worker_thread+0x8cc/0xfe8 [ 52.624172][ T4332] kthread+0x254/0x2e0 [ 52.624904][ T4332] ret_from_fork+0x10/0x20 [ 52.625672][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.626937][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.628528][ T4338] Workqueue: hci0 hci_cmd_work [ 52.629402][ T4338] Call trace: [ 52.629986][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.630770][ T4338] show_stack+0x2c/0x3c [ 52.631473][ T4338] __dump_stack+0x30/0x40 [ 52.632221][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.633063][ T4338] dump_stack+0x1c/0x5c [ 52.633847][ T4338] should_fail_ex+0x3cc/0x524 [ 52.634702][ T4338] __should_failslab+0xc0/0x11c [ 52.635591][ T4338] should_failslab+0x10/0x28 [ 52.636452][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.637296][ T4338] skb_clone+0x194/0x308 [ 52.638036][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.638757][ T4338] process_one_work+0x7e4/0x13bc [ 52.639573][ T4338] worker_thread+0x8cc/0xfe8 [ 52.640313][ T4338] kthread+0x254/0x2e0 [ 52.641001][ T4338] ret_from_fork+0x10/0x20 [ 52.641746][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.641806][ T48] FAULT_INJECTION: forcing a failure. [ 52.641806][ T48] name failslab, interval 1, probability 100, space 0, times 33 [ 52.642960][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.646571][ T4343] Workqueue: hci3 hci_cmd_work [ 52.647397][ T4343] Call trace: [ 52.647919][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.648655][ T4343] show_stack+0x2c/0x3c [ 52.649358][ T4343] __dump_stack+0x30/0x40 [ 52.650128][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.650963][ T4343] dump_stack+0x1c/0x5c [ 52.651708][ T4343] should_fail_ex+0x3cc/0x524 [ 52.652537][ T4343] __should_failslab+0xc0/0x11c [ 52.653454][ T4343] should_failslab+0x10/0x28 [ 52.654276][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.655080][ T4343] skb_clone+0x194/0x308 [ 52.655807][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.656575][ T4343] process_one_work+0x7e4/0x13bc [ 52.657463][ T4343] worker_thread+0x8cc/0xfe8 [ 52.658291][ T4343] kthread+0x254/0x2e0 [ 52.659032][ T4343] ret_from_fork+0x10/0x20 [ 52.659812][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.659952][ T4332] FAULT_INJECTION: forcing a failure. [ 52.659952][ T4332] name failslab, interval 1, probability 100, space 0, times 32 [ 52.661009][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.661023][ T48] Workqueue: hci1 hci_cmd_work [ 52.665573][ T48] Call trace: [ 52.666168][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.666961][ T48] show_stack+0x2c/0x3c [ 52.667647][ T48] __dump_stack+0x30/0x40 [ 52.668418][ T48] dump_stack_lvl+0xf4/0x15c [ 52.669214][ T48] dump_stack+0x1c/0x5c [ 52.670019][ T48] should_fail_ex+0x3cc/0x524 [ 52.670840][ T48] __should_failslab+0xc0/0x11c [ 52.671692][ T48] should_failslab+0x10/0x28 [ 52.672503][ T48] kmem_cache_alloc+0x88/0x310 [ 52.673355][ T48] skb_clone+0x194/0x308 [ 52.674082][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.674872][ T48] process_one_work+0x7e4/0x13bc [ 52.675738][ T48] worker_thread+0x8cc/0xfe8 [ 52.676544][ T48] kthread+0x254/0x2e0 [ 52.677237][ T48] ret_from_fork+0x10/0x20 [ 52.677990][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 52.678080][ T4338] FAULT_INJECTION: forcing a failure. [ 52.678080][ T4338] name failslab, interval 1, probability 100, space 0, times 31 [ 52.679304][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.679315][ T4332] Workqueue: hci4 hci_cmd_work [ 52.683897][ T4332] Call trace: [ 52.684492][ T4332] dump_backtrace+0x1c4/0x1f0 [ 52.685338][ T4332] show_stack+0x2c/0x3c [ 52.686089][ T4332] __dump_stack+0x30/0x40 [ 52.686843][ T4332] dump_stack_lvl+0xf4/0x15c [ 52.687670][ T4332] dump_stack+0x1c/0x5c [ 52.688470][ T4332] should_fail_ex+0x3cc/0x524 [ 52.689329][ T4332] __should_failslab+0xc0/0x11c [ 52.690230][ T4332] should_failslab+0x10/0x28 [ 52.691039][ T4332] kmem_cache_alloc+0x88/0x310 [ 52.691891][ T4332] skb_clone+0x194/0x308 [ 52.692687][ T4332] hci_cmd_work+0xb4/0x4e8 [ 52.693523][ T4332] process_one_work+0x7e4/0x13bc [ 52.694436][ T4332] worker_thread+0x8cc/0xfe8 [ 52.695292][ T4332] kthread+0x254/0x2e0 [ 52.696015][ T4332] ret_from_fork+0x10/0x20 [ 52.696827][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.696995][ T4344] FAULT_INJECTION: forcing a failure. [ 52.696995][ T4344] name failslab, interval 1, probability 100, space 0, times 30 [ 52.697928][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.702001][ T4338] Workqueue: hci0 hci_cmd_work [ 52.702797][ T4338] Call trace: [ 52.703323][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.704129][ T4338] show_stack+0x2c/0x3c [ 52.704855][ T4338] __dump_stack+0x30/0x40 [ 52.705631][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.706483][ T4338] dump_stack+0x1c/0x5c [ 52.707236][ T4338] should_fail_ex+0x3cc/0x524 [ 52.708069][ T4338] __should_failslab+0xc0/0x11c [ 52.708730][ T4343] FAULT_INJECTION: forcing a failure. [ 52.708730][ T4343] name failslab, interval 1, probability 100, space 0, times 29 [ 52.708915][ T4338] should_failslab+0x10/0x28 [ 52.712034][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.712797][ T4338] skb_clone+0x194/0x308 [ 52.713518][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.714247][ T4338] process_one_work+0x7e4/0x13bc [ 52.715095][ T4338] worker_thread+0x8cc/0xfe8 [ 52.715938][ T4338] kthread+0x254/0x2e0 [ 52.716631][ T4338] ret_from_fork+0x10/0x20 [ 52.717394][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.717475][ T48] FAULT_INJECTION: forcing a failure. [ 52.717475][ T48] name failslab, interval 1, probability 100, space 0, times 28 [ 52.718663][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.722612][ T4343] Workqueue: hci3 hci_cmd_work [ 52.723538][ T4343] Call trace: [ 52.724165][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.725015][ T4343] show_stack+0x2c/0x3c [ 52.725789][ T4343] __dump_stack+0x30/0x40 [ 52.726579][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.727453][ T4343] dump_stack+0x1c/0x5c [ 52.728237][ T4343] should_fail_ex+0x3cc/0x524 [ 52.729138][ T4343] __should_failslab+0xc0/0x11c [ 52.730064][ T4343] should_failslab+0x10/0x28 [ 52.730937][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.731833][ T4343] skb_clone+0x194/0x308 [ 52.732570][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.733385][ T4343] process_one_work+0x7e4/0x13bc [ 52.734310][ T4343] worker_thread+0x8cc/0xfe8 [ 52.735203][ T4343] kthread+0x254/0x2e0 [ 52.736024][ T4343] ret_from_fork+0x10/0x20 [ 52.736867][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.738098][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.739771][ T48] Workqueue: hci1 hci_cmd_work [ 52.740613][ T48] Call trace: [ 52.741232][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.742011][ T48] show_stack+0x2c/0x3c [ 52.742694][ T48] __dump_stack+0x30/0x40 [ 52.743420][ T48] dump_stack_lvl+0xf4/0x15c [ 52.744209][ T48] dump_stack+0x1c/0x5c [ 52.744910][ T48] should_fail_ex+0x3cc/0x524 [ 52.745679][ T48] __should_failslab+0xc0/0x11c [ 52.746562][ T48] should_failslab+0x10/0x28 [ 52.747341][ T48] kmem_cache_alloc+0x88/0x310 [ 52.748164][ T48] skb_clone+0x194/0x308 [ 52.748890][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.749659][ T48] process_one_work+0x7e4/0x13bc [ 52.750529][ T48] worker_thread+0x8cc/0xfe8 [ 52.751338][ T48] kthread+0x254/0x2e0 [ 52.752088][ T48] ret_from_fork+0x10/0x20 [ 52.752865][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.752947][ T4377] FAULT_INJECTION: forcing a failure. [ 52.752947][ T4377] name failslab, interval 1, probability 100, space 0, times 27 [ 52.754137][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.757785][ T4344] Workqueue: hci2 hci_cmd_work [ 52.758594][ T4344] Call trace: [ 52.758639][ T4338] FAULT_INJECTION: forcing a failure. [ 52.758639][ T4338] name failslab, interval 1, probability 100, space 0, times 26 [ 52.759166][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.761980][ T4344] show_stack+0x2c/0x3c [ 52.762682][ T4344] __dump_stack+0x30/0x40 [ 52.763468][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.764277][ T4344] dump_stack+0x1c/0x5c [ 52.765031][ T4344] should_fail_ex+0x3cc/0x524 [ 52.765837][ T4344] __should_failslab+0xc0/0x11c [ 52.766676][ T4344] should_failslab+0x10/0x28 [ 52.767484][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.768322][ T4344] skb_clone+0x194/0x308 [ 52.769055][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.769827][ T4344] process_one_work+0x7e4/0x13bc [ 52.770700][ T4344] worker_thread+0x8cc/0xfe8 [ 52.771513][ T4344] kthread+0x254/0x2e0 [ 52.772249][ T4344] ret_from_fork+0x10/0x20 [ 52.773054][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.773208][ T4332] FAULT_INJECTION: forcing a failure. [ 52.773208][ T4332] name failslab, interval 1, probability 100, space 0, times 25 [ 52.774202][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.774219][ T4338] Workqueue: hci0 hci_cmd_work [ 52.778498][ T4338] Call trace: [ 52.779079][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.779933][ T4338] show_stack+0x2c/0x3c [ 52.780639][ T4338] __dump_stack+0x30/0x40 [ 52.781386][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.782155][ T4338] dump_stack+0x1c/0x5c [ 52.782910][ T4338] should_fail_ex+0x3cc/0x524 [ 52.783752][ T4338] __should_failslab+0xc0/0x11c [ 52.784601][ T4338] should_failslab+0x10/0x28 [ 52.785392][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.786247][ T4338] skb_clone+0x194/0x308 [ 52.786943][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.787703][ T4338] process_one_work+0x7e4/0x13bc [ 52.788583][ T4338] worker_thread+0x8cc/0xfe8 [ 52.788717][ T4343] FAULT_INJECTION: forcing a failure. [ 52.788717][ T4343] name failslab, interval 1, probability 100, space 0, times 24 [ 52.789387][ T4338] kthread+0x254/0x2e0 [ 52.792470][ T4338] ret_from_fork+0x10/0x20 [ 52.793234][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.793318][ T48] FAULT_INJECTION: forcing a failure. [ 52.793318][ T48] name failslab, interval 1, probability 100, space 0, times 23 [ 52.794409][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.798005][ T4343] Workqueue: hci3 hci_cmd_work [ 52.798774][ T4343] Call trace: [ 52.799392][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.800275][ T4343] show_stack+0x2c/0x3c [ 52.801050][ T4343] __dump_stack+0x30/0x40 [ 52.801873][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.802727][ T4343] dump_stack+0x1c/0x5c [ 52.803513][ T4343] should_fail_ex+0x3cc/0x524 [ 52.804530][ T4343] __should_failslab+0xc0/0x11c [ 52.805504][ T4343] should_failslab+0x10/0x28 [ 52.806373][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.807299][ T4343] skb_clone+0x194/0x308 [ 52.808098][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.808902][ T4343] process_one_work+0x7e4/0x13bc [ 52.809808][ T4343] worker_thread+0x8cc/0xfe8 [ 52.810663][ T4343] kthread+0x254/0x2e0 [ 52.811467][ T4343] ret_from_fork+0x10/0x20 [ 52.812298][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.813494][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.815060][ T48] Workqueue: hci1 hci_cmd_work [ 52.815811][ T48] Call trace: [ 52.816414][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.817171][ T48] show_stack+0x2c/0x3c [ 52.817865][ T48] __dump_stack+0x30/0x40 [ 52.818553][ T48] dump_stack_lvl+0xf4/0x15c [ 52.819387][ T48] dump_stack+0x1c/0x5c [ 52.820108][ T48] should_fail_ex+0x3cc/0x524 [ 52.820953][ T48] __should_failslab+0xc0/0x11c [ 52.821825][ T48] should_failslab+0x10/0x28 [ 52.822679][ T48] kmem_cache_alloc+0x88/0x310 [ 52.823591][ T48] skb_clone+0x194/0x308 [ 52.824403][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.825155][ T48] process_one_work+0x7e4/0x13bc [ 52.826027][ T48] worker_thread+0x8cc/0xfe8 [ 52.826892][ T48] kthread+0x254/0x2e0 [ 52.827588][ T48] ret_from_fork+0x10/0x20 [ 52.828324][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 52.828406][ T4338] FAULT_INJECTION: forcing a failure. [ 52.828406][ T4338] name failslab, interval 1, probability 100, space 0, times 22 [ 52.829646][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.829663][ T4332] Workqueue: hci4 hci_cmd_work [ 52.834417][ T4332] Call trace: [ 52.835034][ T4332] dump_backtrace+0x1c4/0x1f0 [ 52.835875][ T4332] show_stack+0x2c/0x3c [ 52.836609][ T4332] __dump_stack+0x30/0x40 [ 52.837394][ T4332] dump_stack_lvl+0xf4/0x15c [ 52.838227][ T4332] dump_stack+0x1c/0x5c [ 52.838987][ T4332] should_fail_ex+0x3cc/0x524 [ 52.839801][ T4332] __should_failslab+0xc0/0x11c [ 52.840657][ T4332] should_failslab+0x10/0x28 [ 52.841418][ T4332] kmem_cache_alloc+0x88/0x310 [ 52.842211][ T4332] skb_clone+0x194/0x308 [ 52.842949][ T4332] hci_cmd_work+0xb4/0x4e8 [ 52.843733][ T4332] process_one_work+0x7e4/0x13bc [ 52.844604][ T4332] worker_thread+0x8cc/0xfe8 [ 52.845444][ T4332] kthread+0x254/0x2e0 [ 52.846137][ T4332] ret_from_fork+0x10/0x20 [ 52.846969][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.847115][ T4344] FAULT_INJECTION: forcing a failure. [ 52.847115][ T4344] name failslab, interval 1, probability 100, space 0, times 21 [ 52.848173][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.848190][ T4338] Workqueue: hci0 hci_cmd_work [ 52.853049][ T4338] Call trace: [ 52.853613][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.854396][ T4338] show_stack+0x2c/0x3c [ 52.855116][ T4338] __dump_stack+0x30/0x40 [ 52.855874][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.856659][ T4338] dump_stack+0x1c/0x5c [ 52.857387][ T4338] should_fail_ex+0x3cc/0x524 [ 52.858191][ T4338] __should_failslab+0xc0/0x11c [ 52.858996][ T4338] should_failslab+0x10/0x28 [ 52.859808][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.860604][ T4338] skb_clone+0x194/0x308 [ 52.861383][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.862179][ T4338] process_one_work+0x7e4/0x13bc [ 52.863043][ T4338] worker_thread+0x8cc/0xfe8 [ 52.863843][ T4338] kthread+0x254/0x2e0 [ 52.864518][ T4338] ret_from_fork+0x10/0x20 [ 52.865464][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.865553][ T48] FAULT_INJECTION: forcing a failure. [ 52.865553][ T48] name failslab, interval 1, probability 100, space 0, times 20 [ 52.866729][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.870833][ T4344] Workqueue: hci2 hci_cmd_work [ 52.871666][ T4344] Call trace: [ 52.872236][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.873098][ T4344] show_stack+0x2c/0x3c [ 52.873869][ T4344] __dump_stack+0x30/0x40 [ 52.874638][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.875434][ T4344] dump_stack+0x1c/0x5c [ 52.876209][ T4344] should_fail_ex+0x3cc/0x524 [ 52.877061][ T4344] __should_failslab+0xc0/0x11c [ 52.877952][ T4344] should_failslab+0x10/0x28 [ 52.878745][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.879590][ T4344] skb_clone+0x194/0x308 [ 52.880324][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.881123][ T4344] process_one_work+0x7e4/0x13bc [ 52.882009][ T4344] worker_thread+0x8cc/0xfe8 [ 52.882789][ T4344] kthread+0x254/0x2e0 [ 52.883496][ T4344] ret_from_fork+0x10/0x20 [ 52.884249][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.884409][ T4343] FAULT_INJECTION: forcing a failure. [ 52.884409][ T4343] name failslab, interval 1, probability 100, space 0, times 19 [ 52.885611][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.885624][ T48] Workqueue: hci1 hci_cmd_work [ 52.890424][ T48] Call trace: [ 52.890995][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.891832][ T48] show_stack+0x2c/0x3c [ 52.892520][ T48] __dump_stack+0x30/0x40 [ 52.893311][ T48] dump_stack_lvl+0xf4/0x15c [ 52.894152][ T48] dump_stack+0x1c/0x5c [ 52.894882][ T48] should_fail_ex+0x3cc/0x524 [ 52.895743][ T48] __should_failslab+0xc0/0x11c [ 52.896694][ T48] should_failslab+0x10/0x28 [ 52.897509][ T48] kmem_cache_alloc+0x88/0x310 [ 52.898352][ T48] skb_clone+0x194/0x308 [ 52.899085][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.899856][ T48] process_one_work+0x7e4/0x13bc [ 52.900692][ T48] worker_thread+0x8cc/0xfe8 [ 52.901491][ T48] kthread+0x254/0x2e0 [ 52.902181][ T48] ret_from_fork+0x10/0x20 [ 52.902966][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.903050][ T4338] FAULT_INJECTION: forcing a failure. [ 52.903050][ T4338] name failslab, interval 1, probability 100, space 0, times 18 [ 52.904248][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.907815][ T4343] Workqueue: hci3 hci_cmd_work [ 52.908578][ T4343] Call trace: [ 52.909184][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.910061][ T4343] show_stack+0x2c/0x3c [ 52.910841][ T4343] __dump_stack+0x30/0x40 [ 52.911720][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.912717][ T4343] dump_stack+0x1c/0x5c [ 52.913564][ T4343] should_fail_ex+0x3cc/0x524 [ 52.914418][ T4343] __should_failslab+0xc0/0x11c [ 52.915284][ T4343] should_failslab+0x10/0x28 [ 52.916123][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.917146][ T4343] skb_clone+0x194/0x308 [ 52.918008][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.918626][ T48] FAULT_INJECTION: forcing a failure. [ 52.918626][ T48] name failslab, interval 1, probability 100, space 0, times 17 [ 52.918859][ T4343] process_one_work+0x7e4/0x13bc [ 52.921888][ T4343] worker_thread+0x8cc/0xfe8 [ 52.922737][ T4343] kthread+0x254/0x2e0 [ 52.923478][ T4343] ret_from_fork+0x10/0x20 [ 52.924277][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 52.924426][ T4332] FAULT_INJECTION: forcing a failure. [ 52.924426][ T4332] name failslab, interval 1, probability 100, space 0, times 16 [ 52.925481][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.925498][ T48] Workqueue: hci1 hci_cmd_work [ 52.930545][ T48] Call trace: [ 52.931180][ T48] dump_backtrace+0x1c4/0x1f0 [ 52.932082][ T48] show_stack+0x2c/0x3c [ 52.932809][ T48] __dump_stack+0x30/0x40 [ 52.933606][ T48] dump_stack_lvl+0xf4/0x15c [ 52.934437][ T48] dump_stack+0x1c/0x5c [ 52.935196][ T48] should_fail_ex+0x3cc/0x524 [ 52.936056][ T48] __should_failslab+0xc0/0x11c [ 52.937048][ T48] should_failslab+0x10/0x28 [ 52.937948][ T48] kmem_cache_alloc+0x88/0x310 [ 52.938701][ T4344] FAULT_INJECTION: forcing a failure. [ 52.938701][ T4344] name failslab, interval 1, probability 100, space 0, times 15 [ 52.938926][ T48] skb_clone+0x194/0x308 [ 52.942000][ T48] hci_cmd_work+0xb4/0x4e8 [ 52.942912][ T48] process_one_work+0x7e4/0x13bc [ 52.943795][ T48] worker_thread+0x8cc/0xfe8 [ 52.944648][ T48] kthread+0x254/0x2e0 [ 52.945391][ T48] ret_from_fork+0x10/0x20 [ 52.946196][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 52.947410][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.949140][ T4344] Workqueue: hci2 hci_cmd_work [ 52.950078][ T4344] Call trace: [ 52.950729][ T4344] dump_backtrace+0x1c4/0x1f0 [ 52.951584][ T4344] show_stack+0x2c/0x3c [ 52.952345][ T4344] __dump_stack+0x30/0x40 [ 52.953158][ T4344] dump_stack_lvl+0xf4/0x15c [ 52.954034][ T4344] dump_stack+0x1c/0x5c [ 52.954788][ T4344] should_fail_ex+0x3cc/0x524 [ 52.955705][ T4344] __should_failslab+0xc0/0x11c [ 52.956591][ T4344] should_failslab+0x10/0x28 [ 52.957422][ T4344] kmem_cache_alloc+0x88/0x310 [ 52.958346][ T4344] skb_clone+0x194/0x308 [ 52.959122][ T4344] hci_cmd_work+0xb4/0x4e8 [ 52.959966][ T4344] process_one_work+0x7e4/0x13bc [ 52.960852][ T4344] worker_thread+0x8cc/0xfe8 [ 52.961692][ T4344] kthread+0x254/0x2e0 [ 52.962437][ T4344] ret_from_fork+0x10/0x20 [ 52.963229][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 52.964452][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.965980][ T4338] Workqueue: hci0 hci_cmd_work [ 52.966713][ T4338] Call trace: [ 52.967253][ T4338] dump_backtrace+0x1c4/0x1f0 [ 52.967973][ T4338] show_stack+0x2c/0x3c [ 52.968632][ T4338] __dump_stack+0x30/0x40 [ 52.969368][ T4338] dump_stack_lvl+0xf4/0x15c [ 52.970150][ T4338] dump_stack+0x1c/0x5c [ 52.970862][ T4338] should_fail_ex+0x3cc/0x524 [ 52.971630][ T4338] __should_failslab+0xc0/0x11c [ 52.972452][ T4338] should_failslab+0x10/0x28 [ 52.973274][ T4338] kmem_cache_alloc+0x88/0x310 [ 52.974168][ T4338] skb_clone+0x194/0x308 [ 52.974978][ T4338] hci_cmd_work+0xb4/0x4e8 [ 52.975745][ T4338] process_one_work+0x7e4/0x13bc [ 52.976581][ T4338] worker_thread+0x8cc/0xfe8 [ 52.977344][ T4338] kthread+0x254/0x2e0 [ 52.978019][ T4338] ret_from_fork+0x10/0x20 [ 52.978697][ T4343] FAULT_INJECTION: forcing a failure. [ 52.978697][ T4343] name failslab, interval 1, probability 100, space 0, times 14 [ 52.979050][ T48] FAULT_INJECTION: forcing a failure. [ 52.979050][ T48] name failslab, interval 1, probability 100, space 0, times 12 [ 52.981173][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 52.984468][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 52.986099][ T4343] Workqueue: hci3 hci_cmd_work [ 52.986959][ T4343] Call trace: [ 52.987446][ T4343] dump_backtrace+0x1c4/0x1f0 [ 52.988205][ T4343] show_stack+0x2c/0x3c [ 52.988653][ T4338] FAULT_INJECTION: forcing a failure. [ 52.988653][ T4338] name failslab, interval 1, probability 100, space 0, times 11 [ 52.988887][ T4343] __dump_stack+0x30/0x40 [ 52.991766][ T4343] dump_stack_lvl+0xf4/0x15c [ 52.992582][ T4343] dump_stack+0x1c/0x5c [ 52.993369][ T4343] should_fail_ex+0x3cc/0x524 [ 52.994163][ T4343] __should_failslab+0xc0/0x11c [ 52.995022][ T4343] should_failslab+0x10/0x28 [ 52.995845][ T4343] kmem_cache_alloc+0x88/0x310 [ 52.996654][ T4343] skb_clone+0x194/0x308 [ 52.997364][ T4343] hci_cmd_work+0xb4/0x4e8 [ 52.998121][ T4343] process_one_work+0x7e4/0x13bc [ 52.998991][ T4343] worker_thread+0x8cc/0xfe8 [ 52.999783][ T4343] kthread+0x254/0x2e0 [ 53.000522][ T4343] ret_from_fork+0x10/0x20 [ 53.001317][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 53.001466][ T4344] FAULT_INJECTION: forcing a failure. [ 53.001466][ T4344] name failslab, interval 1, probability 100, space 0, times 10 [ 53.002550][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.002567][ T48] Workqueue: hci1 hci_cmd_work [ 53.007273][ T48] Call trace: [ 53.007805][ T48] dump_backtrace+0x1c4/0x1f0 [ 53.008563][ T48] show_stack+0x2c/0x3c [ 53.009308][ T48] __dump_stack+0x30/0x40 [ 53.010058][ T48] dump_stack_lvl+0xf4/0x15c [ 53.010822][ T48] dump_stack+0x1c/0x5c [ 53.011580][ T48] should_fail_ex+0x3cc/0x524 [ 53.012371][ T48] __should_failslab+0xc0/0x11c [ 53.013227][ T48] should_failslab+0x10/0x28 [ 53.013977][ T48] kmem_cache_alloc+0x88/0x310 [ 53.014776][ T48] skb_clone+0x194/0x308 [ 53.015495][ T48] hci_cmd_work+0xb4/0x4e8 [ 53.016197][ T48] process_one_work+0x7e4/0x13bc [ 53.017034][ T48] worker_thread+0x8cc/0xfe8 [ 53.017808][ T48] kthread+0x254/0x2e0 [ 53.018498][ T48] ret_from_fork+0x10/0x20 [ 53.019233][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 53.020577][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.022351][ T4332] Workqueue: hci4 hci_cmd_work [ 53.023253][ T4332] Call trace: [ 53.023826][ T4332] dump_backtrace+0x1c4/0x1f0 [ 53.024677][ T4332] show_stack+0x2c/0x3c [ 53.025388][ T4332] __dump_stack+0x30/0x40 [ 53.026178][ T4332] dump_stack_lvl+0xf4/0x15c [ 53.027003][ T4332] dump_stack+0x1c/0x5c [ 53.027726][ T4332] should_fail_ex+0x3cc/0x524 [ 53.028548][ T4332] __should_failslab+0xc0/0x11c [ 53.029430][ T4332] should_failslab+0x10/0x28 [ 53.030229][ T4332] kmem_cache_alloc+0x88/0x310 [ 53.031080][ T4332] skb_clone+0x194/0x308 [ 53.031817][ T4332] hci_cmd_work+0xb4/0x4e8 [ 53.032577][ T4332] process_one_work+0x7e4/0x13bc [ 53.033464][ T4332] worker_thread+0x8cc/0xfe8 [ 53.034282][ T4332] kthread+0x254/0x2e0 [ 53.035031][ T4332] ret_from_fork+0x10/0x20 [ 53.035781][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 53.035958][ T4343] FAULT_INJECTION: forcing a failure. [ 53.035958][ T4343] name failslab, interval 1, probability 100, space 0, times 9 [ 53.037015][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.037030][ T4338] Workqueue: hci0 hci_cmd_work [ 53.041742][ T4338] Call trace: [ 53.042363][ T4338] dump_backtrace+0x1c4/0x1f0 [ 53.043265][ T4338] show_stack+0x2c/0x3c [ 53.043988][ T4338] __dump_stack+0x30/0x40 [ 53.044792][ T4338] dump_stack_lvl+0xf4/0x15c [ 53.045637][ T4338] dump_stack+0x1c/0x5c [ 53.046410][ T4338] should_fail_ex+0x3cc/0x524 [ 53.047280][ T4338] __should_failslab+0xc0/0x11c [ 53.048177][ T4338] should_failslab+0x10/0x28 [ 53.048935][ T4338] kmem_cache_alloc+0x88/0x310 [ 53.049749][ T4338] skb_clone+0x194/0x308 [ 53.050457][ T4338] hci_cmd_work+0xb4/0x4e8 [ 53.051195][ T4338] process_one_work+0x7e4/0x13bc [ 53.051994][ T4338] worker_thread+0x8cc/0xfe8 [ 53.052751][ T4338] kthread+0x254/0x2e0 [ 53.053422][ T4338] ret_from_fork+0x10/0x20 [ 53.054157][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 53.054231][ T48] FAULT_INJECTION: forcing a failure. [ 53.054231][ T48] name failslab, interval 1, probability 100, space 0, times 8 [ 53.055412][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.059106][ T4344] Workqueue: hci2 hci_cmd_work [ 53.060009][ T4344] Call trace: [ 53.060633][ T4344] dump_backtrace+0x1c4/0x1f0 [ 53.061605][ T4344] show_stack+0x2c/0x3c [ 53.062468][ T4344] __dump_stack+0x30/0x40 [ 53.063240][ T4344] dump_stack_lvl+0xf4/0x15c [ 53.064067][ T4344] dump_stack+0x1c/0x5c [ 53.064834][ T4344] should_fail_ex+0x3cc/0x524 [ 53.065655][ T4344] __should_failslab+0xc0/0x11c [ 53.066486][ T4344] should_failslab+0x10/0x28 [ 53.067264][ T4344] kmem_cache_alloc+0x88/0x310 [ 53.068098][ T4344] skb_clone+0x194/0x308 [ 53.068842][ T4344] hci_cmd_work+0xb4/0x4e8 [ 53.069639][ T4344] process_one_work+0x7e4/0x13bc [ 53.070549][ T4344] worker_thread+0x8cc/0xfe8 [ 53.071371][ T4344] kthread+0x254/0x2e0 [ 53.072099][ T4344] ret_from_fork+0x10/0x20 [ 53.072905][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 53.073089][ T4332] FAULT_INJECTION: forcing a failure. [ 53.073089][ T4332] name failslab, interval 1, probability 100, space 0, times 7 [ 53.074161][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.074177][ T48] Workqueue: hci1 hci_cmd_work [ 53.078842][ T48] Call trace: [ 53.079461][ T48] dump_backtrace+0x1c4/0x1f0 [ 53.080325][ T48] show_stack+0x2c/0x3c [ 53.081066][ T48] __dump_stack+0x30/0x40 [ 53.081893][ T48] dump_stack_lvl+0xf4/0x15c [ 53.082699][ T48] dump_stack+0x1c/0x5c [ 53.083423][ T48] should_fail_ex+0x3cc/0x524 [ 53.084241][ T48] __should_failslab+0xc0/0x11c [ 53.085057][ T48] should_failslab+0x10/0x28 [ 53.085874][ T48] kmem_cache_alloc+0x88/0x310 [ 53.086719][ T48] skb_clone+0x194/0x308 [ 53.087464][ T48] hci_cmd_work+0xb4/0x4e8 [ 53.088312][ T48] process_one_work+0x7e4/0x13bc [ 53.089256][ T48] worker_thread+0x8cc/0xfe8 [ 53.090061][ T48] kthread+0x254/0x2e0 [ 53.090797][ T48] ret_from_fork+0x10/0x20 [ 53.091590][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 53.091675][ T4338] FAULT_INJECTION: forcing a failure. [ 53.091675][ T4338] name failslab, interval 1, probability 100, space 0, times 6 [ 53.092765][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.096521][ T4343] Workqueue: hci3 hci_cmd_work [ 53.097325][ T4343] Call trace: [ 53.097870][ T4343] dump_backtrace+0x1c4/0x1f0 [ 53.098628][ T4343] show_stack+0x2c/0x3c [ 53.099346][ T4343] __dump_stack+0x30/0x40 [ 53.100095][ T4343] dump_stack_lvl+0xf4/0x15c [ 53.100940][ T4343] dump_stack+0x1c/0x5c [ 53.101735][ T4343] should_fail_ex+0x3cc/0x524 [ 53.102610][ T4343] __should_failslab+0xc0/0x11c [ 53.103492][ T4343] should_failslab+0x10/0x28 [ 53.104344][ T4343] kmem_cache_alloc+0x88/0x310 [ 53.105234][ T4343] skb_clone+0x194/0x308 [ 53.106012][ T4343] hci_cmd_work+0xb4/0x4e8 [ 53.106828][ T4343] process_one_work+0x7e4/0x13bc [ 53.107707][ T4343] worker_thread+0x8cc/0xfe8 [ 53.108522][ T4343] kthread+0x254/0x2e0 [ 53.108624][ T48] FAULT_INJECTION: forcing a failure. [ 53.108624][ T48] name failslab, interval 1, probability 100, space 0, times 5 [ 53.109226][ T4343] ret_from_fork+0x10/0x20 [ 53.112153][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 53.113436][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.115113][ T48] Workqueue: hci1 hci_cmd_work [ 53.115881][ T48] Call trace: [ 53.116431][ T48] dump_backtrace+0x1c4/0x1f0 [ 53.117144][ T48] show_stack+0x2c/0x3c [ 53.117805][ T48] __dump_stack+0x30/0x40 [ 53.118500][ T48] dump_stack_lvl+0xf4/0x15c [ 53.119366][ T48] dump_stack+0x1c/0x5c [ 53.120143][ T48] should_fail_ex+0x3cc/0x524 [ 53.121046][ T48] __should_failslab+0xc0/0x11c [ 53.121944][ T48] should_failslab+0x10/0x28 [ 53.122792][ T48] kmem_cache_alloc+0x88/0x310 [ 53.123643][ T48] skb_clone+0x194/0x308 [ 53.124368][ T48] hci_cmd_work+0xb4/0x4e8 [ 53.125124][ T48] process_one_work+0x7e4/0x13bc [ 53.126005][ T48] worker_thread+0x8cc/0xfe8 [ 53.126827][ T48] kthread+0x254/0x2e0 [ 53.127565][ T48] ret_from_fork+0x10/0x20 [ 53.128362][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 53.129664][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.131451][ T4332] Workqueue: hci4 hci_cmd_work [ 53.132319][ T4332] Call trace: [ 53.132910][ T4332] dump_backtrace+0x1c4/0x1f0 [ 53.133721][ T4332] show_stack+0x2c/0x3c [ 53.134489][ T4332] __dump_stack+0x30/0x40 [ 53.135288][ T4332] dump_stack_lvl+0xf4/0x15c [ 53.136171][ T4332] dump_stack+0x1c/0x5c [ 53.136966][ T4332] should_fail_ex+0x3cc/0x524 [ 53.137817][ T4332] __should_failslab+0xc0/0x11c [ 53.138731][ T4332] should_failslab+0x10/0x28 [ 53.139602][ T4332] kmem_cache_alloc+0x88/0x310 [ 53.140455][ T4332] skb_clone+0x194/0x308 [ 53.141207][ T4332] hci_cmd_work+0xb4/0x4e8 [ 53.142009][ T4332] process_one_work+0x7e4/0x13bc [ 53.142849][ T4332] worker_thread+0x8cc/0xfe8 [ 53.143643][ T4332] kthread+0x254/0x2e0 [ 53.144335][ T4332] ret_from_fork+0x10/0x20 [ 53.145103][ T4338] CPU: 1 PID: 4338 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 53.145273][ T4344] FAULT_INJECTION: forcing a failure. [ 53.145273][ T4344] name failslab, interval 1, probability 100, space 0, times 4 [ 53.146311][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.146328][ T4338] Workqueue: hci0 hci_cmd_work [ 53.151244][ T4338] Call trace: [ 53.151844][ T4338] dump_backtrace+0x1c4/0x1f0 [ 53.152654][ T4338] show_stack+0x2c/0x3c [ 53.153361][ T4338] __dump_stack+0x30/0x40 [ 53.154099][ T4338] dump_stack_lvl+0xf4/0x15c [ 53.154906][ T4338] dump_stack+0x1c/0x5c [ 53.155661][ T4338] should_fail_ex+0x3cc/0x524 [ 53.156460][ T4338] __should_failslab+0xc0/0x11c [ 53.157271][ T4338] should_failslab+0x10/0x28 [ 53.158049][ T4338] kmem_cache_alloc+0x88/0x310 [ 53.158727][ T4343] FAULT_INJECTION: forcing a failure. [ 53.158727][ T4343] name failslab, interval 1, probability 100, space 0, times 3 [ 53.158837][ T4338] skb_clone+0x194/0x308 [ 53.161785][ T4338] hci_cmd_work+0xb4/0x4e8 [ 53.162572][ T4338] process_one_work+0x7e4/0x13bc [ 53.163493][ T4338] worker_thread+0x8cc/0xfe8 [ 53.164286][ T4338] kthread+0x254/0x2e0 [ 53.165011][ T4338] ret_from_fork+0x10/0x20 [ 53.165776][ T4343] CPU: 0 PID: 4343 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 53.165849][ T48] FAULT_INJECTION: forcing a failure. [ 53.165849][ T48] name failslab, interval 1, probability 100, space 0, times 2 [ 53.166937][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.170717][ T4343] Workqueue: hci3 hci_cmd_work [ 53.171603][ T4343] Call trace: [ 53.172190][ T4343] dump_backtrace+0x1c4/0x1f0 [ 53.173038][ T4343] show_stack+0x2c/0x3c [ 53.173795][ T4343] __dump_stack+0x30/0x40 [ 53.174578][ T4343] dump_stack_lvl+0xf4/0x15c [ 53.175413][ T4343] dump_stack+0x1c/0x5c [ 53.176191][ T4343] should_fail_ex+0x3cc/0x524 [ 53.177097][ T4343] __should_failslab+0xc0/0x11c [ 53.177963][ T4343] should_failslab+0x10/0x28 [ 53.178781][ T4343] kmem_cache_alloc+0x88/0x310 [ 53.179629][ T4343] skb_clone+0x194/0x308 [ 53.180390][ T4343] hci_cmd_work+0xb4/0x4e8 [ 53.181206][ T4343] process_one_work+0x7e4/0x13bc [ 53.182065][ T4343] worker_thread+0x8cc/0xfe8 [ 53.182908][ T4343] kthread+0x254/0x2e0 [ 53.183623][ T4343] ret_from_fork+0x10/0x20 [ 53.184406][ T48] CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 53.185568][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.187134][ T48] Workqueue: hci1 hci_cmd_work [ 53.187928][ T48] Call trace: [ 53.188510][ T48] dump_backtrace+0x1c4/0x1f0 [ 53.189394][ T48] show_stack+0x2c/0x3c [ 53.190189][ T48] __dump_stack+0x30/0x40 [ 53.190937][ T48] dump_stack_lvl+0xf4/0x15c [ 53.191760][ T48] dump_stack+0x1c/0x5c [ 53.192521][ T48] should_fail_ex+0x3cc/0x524 [ 53.193385][ T48] __should_failslab+0xc0/0x11c [ 53.194289][ T48] should_failslab+0x10/0x28 [ 53.195113][ T48] kmem_cache_alloc+0x88/0x310 [ 53.195933][ T48] skb_clone+0x194/0x308 [ 53.196669][ T48] hci_cmd_work+0xb4/0x4e8 [ 53.197459][ T48] process_one_work+0x7e4/0x13bc [ 53.198356][ T48] worker_thread+0x8cc/0xfe8 [ 53.198712][ T4332] FAULT_INJECTION: forcing a failure. [ 53.198712][ T4332] name failslab, interval 1, probability 100, space 0, times 1 [ 53.199143][ T48] kthread+0x254/0x2e0 [ 53.202104][ T48] ret_from_fork+0x10/0x20 [ 53.202847][ T4332] CPU: 0 PID: 4332 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 53.204051][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.205772][ T4332] Workqueue: hci4 hci_cmd_work [ 53.206569][ T4332] Call trace: [ 53.207050][ T4332] dump_backtrace+0x1c4/0x1f0 [ 53.207778][ T4332] show_stack+0x2c/0x3c [ 53.208482][ T4332] __dump_stack+0x30/0x40 [ 53.209248][ T4332] dump_stack_lvl+0xf4/0x15c [ 53.210082][ T4332] dump_stack+0x1c/0x5c [ 53.210853][ T4332] should_fail_ex+0x3cc/0x524 [ 53.211734][ T4332] __should_failslab+0xc0/0x11c [ 53.212573][ T4332] should_failslab+0x10/0x28 [ 53.213379][ T4332] kmem_cache_alloc+0x88/0x310 [ 53.214206][ T4332] skb_clone+0x194/0x308 [ 53.214938][ T4332] hci_cmd_work+0xb4/0x4e8 [ 53.215682][ T4332] process_one_work+0x7e4/0x13bc [ 53.216532][ T4332] worker_thread+0x8cc/0xfe8 [ 53.217340][ T4332] kthread+0x254/0x2e0 [ 53.218085][ T4332] ret_from_fork+0x10/0x20 [ 53.218932][ T4319] CPU: 1 PID: 4319 Comm: udevd Not tainted syzkaller #0 [ 53.220007][ T4319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.221533][ T4319] Call trace: [ 53.222065][ T4319] dump_backtrace+0x1c4/0x1f0 [ 53.222809][ T4319] show_stack+0x2c/0x3c [ 53.223475][ T4319] __dump_stack+0x30/0x40 [ 53.224130][ T4319] dump_stack_lvl+0xf4/0x15c [ 53.224864][ T4319] dump_stack+0x1c/0x5c [ 53.225595][ T4319] should_fail_ex+0x3cc/0x524 [ 53.226365][ T4319] should_fail_alloc_page+0x74/0xb8 [ 53.227172][ T4319] prepare_alloc_pages+0x1b8/0x4f0 [ 53.228032][ T4319] __alloc_pages+0x134/0x544 [ 53.228795][ T4319] __folio_alloc+0x1c/0x44 [ 53.229527][ T4319] vma_alloc_folio+0x37c/0x8ac [ 53.230378][ T4319] wp_page_copy+0x1d0/0x1774 [ 53.231156][ T4319] do_wp_page+0xaf8/0xed4 [ 53.231882][ T4319] handle_mm_fault+0x1520/0x3018 [ 53.232737][ T4319] do_page_fault+0x310/0x99c [ 53.233530][ T4319] do_mem_abort+0x70/0x198 [ 53.234328][ T4319] el0_da+0x70/0x144 [ 53.235024][ T4319] el0t_64_sync_handler+0x90/0xf0 [ 53.235912][ T4319] el0t_64_sync+0x18c/0x190 [ 53.236681][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:5 Not tainted syzkaller #0 [ 53.237879][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.239484][ T4344] Workqueue: hci2 hci_cmd_work [ 53.240342][ T4344] Call trace: [ 53.240987][ T4344] dump_backtrace+0x1c4/0x1f0 [ 53.241902][ T4344] show_stack+0x2c/0x3c [ 53.242709][ T4344] __dump_stack+0x30/0x40 [ 53.243495][ T4344] dump_stack_lvl+0xf4/0x15c [ 53.244316][ T4344] dump_stack+0x1c/0x5c [ 53.245022][ T4344] should_fail_ex+0x3cc/0x524 [ 53.245831][ T4344] __should_failslab+0xc0/0x11c [ 53.246734][ T4344] should_failslab+0x10/0x28 [ 53.247541][ T4344] kmem_cache_alloc+0x88/0x310 [ 53.248435][ T4344] skb_clone+0x194/0x308 [ 53.249210][ T4344] hci_cmd_work+0xb4/0x4e8 [ 53.249992][ T4344] process_one_work+0x7e4/0x13bc [ 53.251099][ T4344] worker_thread+0x8cc/0xfe8 [ 53.252013][ T4344] kthread+0x254/0x2e0 [ 53.252827][ T4344] ret_from_fork+0x10/0x20 [ 53.253936][ T4377] CPU: 1 PID: 4377 Comm: kworker/1:5 Not tainted syzkaller #0 [ 53.255151][ T4377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.256813][ T4377] Workqueue: events nsim_fib_event_work [ 53.257702][ T4377] Call trace: [ 53.258205][ T4377] dump_backtrace+0x1c4/0x1f0 [ 53.258999][ T4377] show_stack+0x2c/0x3c [ 53.259755][ T4377] __dump_stack+0x30/0x40 [ 53.260568][ T4377] dump_stack_lvl+0xf4/0x15c [ 53.261452][ T4377] dump_stack+0x1c/0x5c [ 53.262210][ T4377] should_fail_ex+0x3cc/0x524 [ 53.263108][ T4377] __should_failslab+0xc0/0x11c [ 53.263996][ T4377] should_failslab+0x10/0x28 [ 53.264858][ T4377] __kmem_cache_alloc_node+0x7c/0x318 [ 53.265810][ T4377] kmalloc_trace+0x48/0x94 [ 53.266615][ T4377] nsim_fib_event_work+0x614/0x2708 [ 53.267508][ T4377] process_one_work+0x7e4/0x13bc [ 53.268381][ T4377] worker_thread+0xafc/0xfe8 [ 53.269213][ T4377] kthread+0x254/0x2e0 [ 53.269948][ T4377] ret_from_fork+0x10/0x20 [ 53.270794][ T3929] CPU: 0 PID: 3929 Comm: klogd Not tainted syzkaller #0 [ 53.270895][ T4319] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 53.272050][ T3929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 53.275090][ T3929] Call trace: [ 53.275680][ T3929] dump_backtrace+0x1c4/0x1f0 [ 53.276546][ T3929] show_stack+0x2c/0x3c [ 53.277286][ T3929] __dump_stack+0x30/0x40 [ 53.278062][ T3929] dump_stack_lvl+0xf4/0x15c [ 53.278912][ T3929] dump_stack+0x1c/0x5c [ 53.279649][ T3929] should_fail_ex+0x3cc/0x524 [ 53.280487][ T3929] __should_failslab+0xc0/0x11c [ 53.281366][ T3929] should_failslab+0x10/0x28 [ 53.282129][ T3929] slab_pre_alloc_hook+0x6c/0x31c [ 53.282972][ T3929] kmem_cache_alloc_lru+0x60/0x284 [ 53.283930][ T3929] sock_alloc_inode+0x2c/0xcc [ 53.284757][ T3929] new_inode_pseudo+0x68/0x1cc [ 53.285603][ T3929] __sock_create+0x138/0x8a8 [ 53.286398][ T3929] __sys_socket+0xc0/0x1b0 [ 53.287170][ T3929] __arm64_sys_socket+0x7c/0x94 [ 53.288041][ T3929] invoke_syscall+0x98/0x290 [ 53.288873][ T3929] el0_svc_common+0x13c/0x258 [ 53.289732][ T3929] do_el0_svc+0x5c/0x134 [ 53.290518][ T3929] el0_svc+0x58/0x128 [ 53.291220][ T3929] el0t_64_sync_handler+0x84/0xf0 [ 53.292091][ T3929] el0t_64_sync+0x18c/0x190 [ 53.293338][ T4344] Bluetooth: hci1: command 0x040f tx timeout [ 53.294420][ T4344] Bluetooth: hci0: command 0x040f tx timeout [ 53.299656][ T3994] ERROR: Out of memory at tomoyo_realpath_from_path. [ 53.300887][ T3929] socket: no more sockets SYZFAIL: pselect failed (errno 12: Cannot allocate memory) [ 53.321066][ T4332] Bluetooth: hci2: command 0x040f tx timeout [ 53.322303][ T4332] Bluetooth: hci4: command 0x040f tx timeout [ 53.323342][ T4332] Bluetooth: hci3: command 0x040f tx timeout [ 53.347593][ T4419] libceph: mon0 (1)127.0.0.1:6789 socket closed (con state V1_BANNER) [ 53.398713][ T4323] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 53.824420][ T4329] bridge0: port 3(syz_tun) entered disabled state [ 53.884414][ T4329] device syz_tun left promiscuous mode [ 53.885444][ T4329] bridge0: port 3(syz_tun) entered disabled state [ 53.925188][ T4337] bridge0: port 3(syz_tun) entered disabled state [ 53.969845][ T4337] device syz_tun left promiscuous mode [ 53.970846][ T4337] bridge0: port 3(syz_tun) entered disabled state [ 54.178687][ T4454] NFSD: attempt to initialize umh client tracking in a container ignored. [ 54.180623][ T4454] NFSD: attempt to initialize legacy client tracking in a container ignored. [ 54.182111][ T4454] NFSD: Unable to initialize client recovery tracking! (-22) [ 54.183462][ T4454] NFSD: starting 90-second grace period (net f00003a2) [ 54.595444][ T4454] bridge0: port 3(syz_tun) entered disabled state [ 54.640102][ T4454] device syz_tun left promiscuous mode [ 54.641163][ T4454] bridge0: port 3(syz_tun) entered disabled state [ 57.280606][ T255] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.360994][ T255] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.439925][ T255] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.509956][ T255] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.674609][ T255] device hsr_slave_0 left promiscuous mode [ 59.709018][ T255] device hsr_slave_1 left promiscuous mode [ 59.798769][ T255] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 59.800227][ T255] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 59.803959][ T255] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 59.805378][ T255] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 59.807269][ T255] device bridge_slave_1 left promiscuous mode [ 59.808964][ T255] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.859364][ T255] device bridge_slave_0 left promiscuous mode [ 59.860547][ T255] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.978951][ T255] device veth1_macvtap left promiscuous mode [ 59.980158][ T255] device veth0_macvtap left promiscuous mode [ 59.981180][ T255] device veth1_vlan left promiscuous mode [ 59.982260][ T255] device veth0_vlan left promiscuous mode [ 62.150113][ T255] team0 (unregistering): Port device team_slave_1 removed [ 62.340253][ T255] team0 (unregistering): Port device team_slave_0 removed [ 62.501302][ T255] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 62.709070][ T255] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface