Extracting prog: 45m45.614501518s
Minimizing prog: 3h7m44.5875014s
Simplifying prog options: 12m15.612716575s
Extracting C: 32.72331685s
Simplifying C: 0s


extracting reproducer from 57 programs
testing a last program of every proc
single: executing 13 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat$audio-preadv-socket-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-getpid-ioctl$sock_inet6_SIOCDELRT-socket$key-sendmsg$kcm-socket$can_j1939-ioctl$ifreq_SIOCGIFINDEX_vcan-bind$can_j1939
detailed listing:
executing program 0:
mount(0x0, 0x0, 0x0, 0x2200030, &(0x7f0000000140)='discard')
openat$audio(0xffffffffffffff9c, 0x0, 0x0, 0x0)
preadv(0xffffffffffffffff, &(0x7f0000000640), 0x0, 0x300100, 0x0)
socket(0x5, 0x80805, 0x2)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
getpid()
ioctl$sock_inet6_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f0000005fc0)={@remote, @private0={0xfc, 0x0, '\x00', 0x1}, @empty, 0x7, 0x8000, 0x3d, 0x500, 0x5, 0x18c0012})
socket$key(0xf, 0x3, 0x2)
sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x48050)
r1 = socket$can_j1939(0x1d, 0x2, 0x7)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f00000000c0)={'vcan0\x00', <r2=>0x0})
bind$can_j1939(r1, &(0x7f0000000340)={0x1d, r2, 0x0, {0x2, 0x0, 0x6}, 0xfe}, 0x18)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty1-socket$inet_tcp-bind$inet-setsockopt$inet_tcp_int-setsockopt$inet_tcp_TCP_REPAIR_QUEUE-connect$inet-socket$netlink-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-recvmmsg-sched_setscheduler-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
syz_open_dev$tty1(0xc, 0x4, 0x4)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10)
setsockopt$inet_tcp_int(r0, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4)
setsockopt$inet_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f0000000140)=0x2, 0x4)
connect$inet(r0, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10)
r1 = socket$netlink(0x10, 0x3, 0x9)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff})
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6)
sendmsg$NFT_BATCH(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000600)={{0x14, 0x3ed, 0x1, 0x0, 0x0, {0x2}}, [], {0x14, 0x3ed, 0x1, 0x0, 0x0, {0x7}}}, 0x28}, 0x1, 0x0, 0x0, 0x4004041}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-syz_ublk_setup_io_uring-syz_ublk_add_dev-syz_usb_connect-ftruncate-openat$sequencer2-openat-bpf$PROG_LOAD-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-sendmsg$nl_route-close-sendmsg$NFT_BATCH-bpf$BPF_MAP_GET_FD_BY_ID
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f00000002c0)='net/snmp\x00')
r1 = syz_ublk_setup_io_uring(0x20, 0x0, 0x0, 0x0, &(0x7f0000000180)=<r2=>0x0)
syz_ublk_add_dev(r1, 0x0, 0x0, r2, &(0x7f00000031c0)={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000003180)=@any_dev={0x1, 0x881, 0x0, 0x0, 0x1000, 0x9, 0x0, 0x0, 0x14}}}, 0x0)
syz_usb_connect(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB="120100008010bd40820514009dbb0000000109022400011b00000009040000022a3e740009058bff7f0000100109050b362f"], 0x0)
ftruncate(r0, 0xffffffffffffffff)
r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000240), 0xc2882, 0x0)
openat(0xffffffffffffffff, &(0x7f0000000380)='./cgroup.cpu/cgroup.procs\x00', 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0x38, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r4 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r4, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r5 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r5, &(0x7f0000000340)={0x0, 0x0, 0x0}, 0x0)
close(r3)
sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000000}, 0x40)
bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={0xffffffffffffffff, 0x43, 0x8}, 0xc)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-sendmsg$nl_route-socket$kcm-getsockopt$kcm_KCM_RECV_DISABLE-socket$nl_route-ioctl$TUNSETIFF-socket-bind$netlink-getsockname$packet-sendmsg$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-socket$nl_route-socket-getsockname$packet-sendmsg$nl_route-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
socket$pppl2tp(0x18, 0x1, 0x1)
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$kcm(0x2, 0xa, 0x2)
getsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000140), 0x4)
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x4801})
r2 = socket(0x10, 0x803, 0x0)
bind$netlink(r2, &(0x7f0000000100)={0x10, 0x0, 0x25dfdbfd, 0x400}, 0xc)
getsockname$packet(r2, &(0x7f0000000080)={0x11, 0x0, <r3=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)
sendmsg$nl_route(r1, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=@newlink={0x44, 0x10, 0x40d, 0x70bd2a, 0x0, {0x0, 0x0, 0x0, r3, 0x69b, 0x4}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MODE={0x5, 0x1, 0x6}, @IFLA_BOND_ALL_SLAVES_ACTIVE={0x5, 0x11, 0x1}]}}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40040}, 0x4000000)
r4 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000300)={'bond0\x00', <r5=>0x0})
r6 = socket$nl_route(0x10, 0x3, 0x0)
r7 = socket(0x1, 0x803, 0x0)
getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, <r8=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14)
sendmsg$nl_route(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001400)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @macvlan={{0xc}, {0x4}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r8}]}, 0x44}}, 0x0)
r9 = socket$kcm(0x10, 0x2, 0x0)
sendmsg$kcm(r9, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f00000002c0)="2e00000011008b88040f80ee59acbc04130800480f0000005e2900421803001825800000000000000280000c0012", 0x2e}], 0x1}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$tipc-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-setsockopt$TIPC_CONN_TIMEOUT-setsockopt$TIPC_GROUP_LEAVE-sendmsg$tipc-mkdir-mount-socket$inet_udp-socket$nl_route-ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL-setsockopt$inet_MCAST_JOIN_GROUP-close
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
r0 = socket$tipc(0x1e, 0x5, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r2=>0xffffffffffffffff, <r3=>0xffffffffffffffff})
connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6)
r4 = socket$inet6_sctp(0xa, 0x5, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f00000007c0)=[@in={0x2, 0x4e20, @multicast2}], 0x10)
setsockopt$TIPC_CONN_TIMEOUT(r0, 0x10f, 0x82, &(0x7f0000000080)=0x6, 0x4)
setsockopt$TIPC_GROUP_LEAVE(r0, 0x10f, 0x88)
sendmsg$tipc(r0, &(0x7f0000000c80)={&(0x7f0000000980)=@id, 0x10, 0x0}, 0x0)
mkdir(&(0x7f0000000080)='./file1\x00', 0x8)
mount(0x0, &(0x7f0000000200)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x8, 0x0)
r5 = socket$inet_udp(0x2, 0x2, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r5, 0x89f1, &(0x7f0000000380)={'sit0\x00', &(0x7f0000000480)={'sit0\x00', 0x0, 0x8, 0x700, 0x8, 0x9, {{0x11, 0x4, 0x1, 0x3c, 0x44, 0x67, 0x0, 0x5, 0x49e4cec55e01605d, 0x0, @multicast2, @broadcast, {[@lsrr={0x83, 0x7, 0xd3, [@remote]}, @ra={0x94, 0x4, 0x1}, @ssrr={0x89, 0x23, 0x1f, [@dev={0xac, 0x14, 0x14, 0x28}, @empty, @rand_addr=0x64010102, @remote, @empty, @initdev={0xac, 0x1e, 0x0, 0x0}, @local, @multicast1]}]}}}}})
setsockopt$inet_MCAST_JOIN_GROUP(r5, 0x0, 0x2a, &(0x7f0000000600)={0x2, {{0x2, 0x4e23, @multicast2}}}, 0x88)
close(r5)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$IP6T_SO_SET_REPLACE-socket$nl_route-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-bpf$MAP_CREATE-socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH-bpf$BPF_PROG_TEST_RUN-socket$nl_generic-syz_open_procfs-sendmsg$nl_route-openat$cgroup_ro-syz_usb_connect-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, 0x0, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7f, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
bpf$MAP_CREATE(0x0, &(0x7f00000005c0)=@base={0x9, 0x1, 0x8, 0x40, 0x42, 0x1}, 0x50)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000003c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0)
sendmsg$NFT_BATCH(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000d40)=ANY=[@ANYBLOB="14000000100001000000000000b890c1a000000a80000000160a01030000000000000000020000000900020073797a30000000000900010073797a30000000005400038008000240000000000800014000000000400003801400010076657468315f746f5f627269646765001400010077673200"], 0xa8}}, 0x0)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000000)={0xffffffffffffffff, 0x2000000, 0xd, 0x0, &(0x7f00000004c0)="630b008646dc3f0adf33c9f7b9", 0x0, 0x81ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x2}, 0x50)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs(0x0, &(0x7f00000000c0)='oom_score\x00')
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000900)=ANY=[], 0x78}, 0x1, 0x0, 0x0, 0x4008018}, 0x4000080)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='memory.current\x00', 0x26e1, 0x0)
syz_usb_connect(0x3, 0x4a, 0x0, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-close-chdir-symlink-openat-write-close-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r2, 0x0, 0x0)
close(r2)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program crashed: KASAN: use-after-free Read in raw_process_ep0_io
single: successfully extracted reproducer
found reproducer with 18 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-close-chdir-symlink-openat-write-close-socket
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r2, 0x0, 0x0)
close(r2)
socket(0x2, 0x2, 0x0)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-close-chdir-symlink-openat-write-close-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r2, 0x0, 0x0)
close(r2)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-close-chdir-symlink-openat-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r2, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: KASAN: use-after-free Read in kernfs_find_ns
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-close-chdir-symlink-openat-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: WARNING: refcount bug in usb_add_gadget
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-close-chdir-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-close-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
close(0xffffffffffffffff)
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-mkdir-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
mkdir(0x0, 0x1ff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: KASAN: use-after-free Read in driver_deferred_probe_del
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
write(0xffffffffffffffff, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(0x0, 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400), 0x0)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400), 0x0)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(0x0)
symlink(&(0x7f0000001200)='functions/ecm.usb0\x00', &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: KASAN: use-after-free Read in driver_deferred_probe_del
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, 0x0)
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
program crashed: KASAN: use-after-free Read in raw_ioctl
a never seen crash title: KASAN: use-after-free Read in raw_ioctl, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: KASAN: use-after-free Read in driver_deferred_probe_del
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: KASAN: use-after-free Read in raw_process_ep0_io
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-mkdir-mount-openat-write-close-openat-write-close-close-chdir-symlink-write-socket-socket$packet
detailed listing:
executing program 0:
syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x0, 0x0, 0xffffffffffff8001, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x0, 0x0, 0x12, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x200}}, {{0x9, 0x5, 0x3, 0x2, 0x200}}}}}]}}]}}, 0x0)
mkdir(&(0x7f0000000100)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='dummy_udc.0', 0xb)
close(0xffffffffffffffff)
close(0xffffffffffffffff)
chdir(&(0x7f0000001100)='./config/usb_gadget/g1\x00')
symlink(0x0, &(0x7f0000001300)='configs/c.1/ecm.usb0\x00')
write(0xffffffffffffffff, 0x0, 0x0)
socket(0x2, 0x2, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: KASAN: use-after-free Read in kernfs_find_ns
validation run: crashed=true
reproducing took 4h33m20.92054918s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in strlen+0x53/0x60 lib/string.c:502
Read of size 1 at addr ffff88813fe3d240 by task syz.3.263/5004

CPU: 0 PID: 5004 Comm: syz.3.263 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0xa8/0x210 mm/kasan/report.c:420
 kasan_report+0x10b/0x140 mm/kasan/report.c:524
 strlen+0x53/0x60 lib/string.c:502
 __fortify_strlen include/linux/fortify-string.h:196 [inline]
 kernfs_name_hash fs/kernfs/dir.c:318 [inline]
 kernfs_find_ns+0x12b/0x550 fs/kernfs/dir.c:840
 kernfs_remove_by_name_ns+0x86/0x150 fs/kernfs/dir.c:1664
 driver_sysfs_remove drivers/base/dd.c:475 [inline]
 __device_release_driver drivers/base/dd.c:1270 [inline]
 device_release_driver_internal+0x36c/0x7c0 drivers/base/dd.c:1305
 bus_remove_device+0x2dd/0x400 drivers/base/bus.c:531
 device_del+0x63f/0xa80 drivers/base/core.c:3900
 usb_del_gadget+0x18c/0x250 drivers/usb/gadget/udc/core.c:1580
 usb_del_gadget_udc+0x11/0x30 drivers/usb/gadget/udc/core.c:1603
 dummy_udc_remove+0x54/0x60 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x92/0xe0 drivers/base/platform.c:1422
 device_remove drivers/base/dd.c:547 [inline]
 __device_release_driver drivers/base/dd.c:1279 [inline]
 device_release_driver_internal+0x47d/0x7c0 drivers/base/dd.c:1305
 unbind_store+0x2e2/0x300 drivers/base/bus.c:193
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7bd879e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7bd7dfe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7bd8a25fa0 RCX: 00007f7bd879e019
RDX: 000000000000000b RSI: 0000200000000400 RDI: 0000000000000004
RBP: 00007f7bd883500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7bd8a26038 R14: 00007f7bd8a25fa0 R15: 00007ffdedb815c8
 </TASK>

Allocated by task 5002:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 ____kasan_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:936 [inline]
 __kmalloc_node_track_caller+0xb0/0x240 mm/slab_common.c:956
 kvasprintf+0xe8/0x1a0 lib/kasprintf.c:25
 kobject_set_name_vargs+0x5d/0x110 lib/kobject.c:265
 dev_set_name+0xdf/0x130 drivers/base/core.c:3485
 usb_add_gadget+0x474/0x6f0 drivers/usb/gadget/udc/core.c:1448
 usb_add_gadget_udc_release+0x198/0x1e0 drivers/usb/gadget/udc/core.c:1506
 dummy_udc_probe+0x686/0x780 drivers/usb/gadget/udc/dummy_hcd.c:1102
 platform_probe+0x137/0x1c0 drivers/base/platform.c:1400
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x24a/0xb40 drivers/base/dd.c:638
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:804
 device_driver_attach+0xd9/0x1c0 drivers/base/dd.c:1131
 bind_store+0x33b/0x380 drivers/base/bus.c:216
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 5004:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1729 [inline]
 slab_free_freelist_hook+0x133/0x1b0 mm/slub.c:1755
 slab_free mm/slub.c:3687 [inline]
 __kmem_cache_free+0xb6/0x200 mm/slub.c:3700
 kobject_cleanup lib/kobject.c:687 [inline]
 kobject_release lib/kobject.c:712 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x25c/0x450 lib/kobject.c:729
 bus_remove_device+0x2bf/0x400 drivers/base/bus.c:527
 device_del+0x63f/0xa80 drivers/base/core.c:3900
 usb_del_gadget+0x18c/0x250 drivers/usb/gadget/udc/core.c:1580
 usb_del_gadget_udc+0x11/0x30 drivers/usb/gadget/udc/core.c:1603
 dummy_udc_remove+0x54/0x60 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x92/0xe0 drivers/base/platform.c:1422
 device_remove drivers/base/dd.c:547 [inline]
 __device_release_driver drivers/base/dd.c:1279 [inline]
 device_release_driver_internal+0x47d/0x7c0 drivers/base/dd.c:1305
 unbind_store+0x2e2/0x300 drivers/base/bus.c:193
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff88813fe3d240
 which belongs to the cache kmalloc-16 of size 16
The buggy address is located 0 bytes inside of
 16-byte region [ffff88813fe3d240, ffff88813fe3d250)

The buggy address belongs to the physical page:
page:ffffea0004ff8f40 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88813fe3dc60 pfn:0x13fe3d
flags: 0x17ff00000000200(slab|node=0|zone=2|lastcpupid=0x7ff)
raw: 017ff00000000200 0000000000000000 dead000000000001 ffff8880174413c0
raw: ffff88813fe3dc60 000000008080007d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x0(), pid 1, tgid 1 (swapper/0), ts 2183073152, free_ts 0
 create_dummy_stack mm/page_owner.c:67 [inline]
 register_early_stack+0x95/0xf0 mm/page_owner.c:83
 init_page_owner+0x2f/0x5b0 mm/page_owner.c:93
 invoke_init_callbacks mm/page_ext.c:126 [inline]
 page_ext_init+0x7f1/0x856 mm/page_ext.c:518
 kernel_init_freeable+0x3fc/0x5ab init/main.c:1635
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88813fe3d100: fa fb fc fc fa fb fc fc fa fb fc fc 00 04 fc fc
 ffff88813fe3d180: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc
>ffff88813fe3d200: 00 01 fc fc 00 00 fc fc fa fb fc fc fa fb fc fc
                                           ^
 ffff88813fe3d280: fb fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
 ffff88813fe3d300: fa fb fc fc 00 01 fc fc fa fb fc fc fa fb fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in strlen+0x53/0x60 lib/string.c:502
Read of size 1 at addr ffff88813fe3d240 by task syz.3.263/5004

CPU: 0 PID: 5004 Comm: syz.3.263 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0xa8/0x210 mm/kasan/report.c:420
 kasan_report+0x10b/0x140 mm/kasan/report.c:524
 strlen+0x53/0x60 lib/string.c:502
 __fortify_strlen include/linux/fortify-string.h:196 [inline]
 kernfs_name_hash fs/kernfs/dir.c:318 [inline]
 kernfs_find_ns+0x12b/0x550 fs/kernfs/dir.c:840
 kernfs_remove_by_name_ns+0x86/0x150 fs/kernfs/dir.c:1664
 driver_sysfs_remove drivers/base/dd.c:475 [inline]
 __device_release_driver drivers/base/dd.c:1270 [inline]
 device_release_driver_internal+0x36c/0x7c0 drivers/base/dd.c:1305
 bus_remove_device+0x2dd/0x400 drivers/base/bus.c:531
 device_del+0x63f/0xa80 drivers/base/core.c:3900
 usb_del_gadget+0x18c/0x250 drivers/usb/gadget/udc/core.c:1580
 usb_del_gadget_udc+0x11/0x30 drivers/usb/gadget/udc/core.c:1603
 dummy_udc_remove+0x54/0x60 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x92/0xe0 drivers/base/platform.c:1422
 device_remove drivers/base/dd.c:547 [inline]
 __device_release_driver drivers/base/dd.c:1279 [inline]
 device_release_driver_internal+0x47d/0x7c0 drivers/base/dd.c:1305
 unbind_store+0x2e2/0x300 drivers/base/bus.c:193
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7bd879e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7bd7dfe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7bd8a25fa0 RCX: 00007f7bd879e019
RDX: 000000000000000b RSI: 0000200000000400 RDI: 0000000000000004
RBP: 00007f7bd883500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7bd8a26038 R14: 00007f7bd8a25fa0 R15: 00007ffdedb815c8
 </TASK>

Allocated by task 5002:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 ____kasan_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:936 [inline]
 __kmalloc_node_track_caller+0xb0/0x240 mm/slab_common.c:956
 kvasprintf+0xe8/0x1a0 lib/kasprintf.c:25
 kobject_set_name_vargs+0x5d/0x110 lib/kobject.c:265
 dev_set_name+0xdf/0x130 drivers/base/core.c:3485
 usb_add_gadget+0x474/0x6f0 drivers/usb/gadget/udc/core.c:1448
 usb_add_gadget_udc_release+0x198/0x1e0 drivers/usb/gadget/udc/core.c:1506
 dummy_udc_probe+0x686/0x780 drivers/usb/gadget/udc/dummy_hcd.c:1102
 platform_probe+0x137/0x1c0 drivers/base/platform.c:1400
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x24a/0xb40 drivers/base/dd.c:638
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:804
 device_driver_attach+0xd9/0x1c0 drivers/base/dd.c:1131
 bind_store+0x33b/0x380 drivers/base/bus.c:216
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 5004:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1729 [inline]
 slab_free_freelist_hook+0x133/0x1b0 mm/slub.c:1755
 slab_free mm/slub.c:3687 [inline]
 __kmem_cache_free+0xb6/0x200 mm/slub.c:3700
 kobject_cleanup lib/kobject.c:687 [inline]
 kobject_release lib/kobject.c:712 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x25c/0x450 lib/kobject.c:729
 bus_remove_device+0x2bf/0x400 drivers/base/bus.c:527
 device_del+0x63f/0xa80 drivers/base/core.c:3900
 usb_del_gadget+0x18c/0x250 drivers/usb/gadget/udc/core.c:1580
 usb_del_gadget_udc+0x11/0x30 drivers/usb/gadget/udc/core.c:1603
 dummy_udc_remove+0x54/0x60 drivers/usb/gadget/udc/dummy_hcd.c:1123
 platform_remove+0x92/0xe0 drivers/base/platform.c:1422
 device_remove drivers/base/dd.c:547 [inline]
 __device_release_driver drivers/base/dd.c:1279 [inline]
 device_release_driver_internal+0x47d/0x7c0 drivers/base/dd.c:1305
 unbind_store+0x2e2/0x300 drivers/base/bus.c:193
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff88813fe3d240
 which belongs to the cache kmalloc-16 of size 16
The buggy address is located 0 bytes inside of
 16-byte region [ffff88813fe3d240, ffff88813fe3d250)

The buggy address belongs to the physical page:
page:ffffea0004ff8f40 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88813fe3dc60 pfn:0x13fe3d
flags: 0x17ff00000000200(slab|node=0|zone=2|lastcpupid=0x7ff)
raw: 017ff00000000200 0000000000000000 dead000000000001 ffff8880174413c0
raw: ffff88813fe3dc60 000000008080007d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x0(), pid 1, tgid 1 (swapper/0), ts 2183073152, free_ts 0
 create_dummy_stack mm/page_owner.c:67 [inline]
 register_early_stack+0x95/0xf0 mm/page_owner.c:83
 init_page_owner+0x2f/0x5b0 mm/page_owner.c:93
 invoke_init_callbacks mm/page_ext.c:126 [inline]
 page_ext_init+0x7f1/0x856 mm/page_ext.c:518
 kernel_init_freeable+0x3fc/0x5ab init/main.c:1635
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88813fe3d100: fa fb fc fc fa fb fc fc fa fb fc fc 00 04 fc fc
 ffff88813fe3d180: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc
>ffff88813fe3d200: 00 01 fc fc 00 00 fc fc fa fb fc fc fa fb fc fc
                                           ^
 ffff88813fe3d280: fb fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
 ffff88813fe3d300: fa fb fc fc 00 01 fc fc fa fb fc fc fa fb fc fc
==================================================================