Extracting prog: 1m2.569020809s
Minimizing prog: 2h1m13.206693287s
Simplifying prog options: 0s
Extracting C: 1m2.422858279s
Simplifying C: 13m10.840750789s


extracting reproducer from 71 programs
testing a last program of every proc
single: executing 21 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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-bpf$BPF_BTF_LOAD-syz_open_procfs-syz_open_dev$dvb_frontend-mount$9p_virtio-socket$inet-sendto$inet-socket$nl_sock_diag-sendmsg$TCPDIAG_GETSOCK
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={0x0, &(0x7f0000000300)=""/245, 0x0, 0xf5, 0x0, 0x100}, 0x28)
syz_open_procfs(0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)
mount$9p_virtio(&(0x7f00000001c0), &(0x7f0000000480)='./file0\x00', &(0x7f00000004c0), 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="56c78e3c733d76697274696f2c6e6f657874656e642c6163638173733d616e792c63616368653d667363616368652c76657273696f6e3d3970323030302e75"])
r5 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r5, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10)
r6 = socket$nl_sock_diag(0x10, 0x3, 0x4)
sendmsg$TCPDIAG_GETSOCK(r6, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20044190}, 0x40000)

program crashed: KASAN: use-after-free Read in dvb_device_open
single: successfully extracted reproducer
found reproducer with 29 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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-bpf$BPF_BTF_LOAD-syz_open_procfs-syz_open_dev$dvb_frontend-mount$9p_virtio-socket$inet-sendto$inet-socket$nl_sock_diag
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={0x0, &(0x7f0000000300)=""/245, 0x0, 0xf5, 0x0, 0x100}, 0x28)
syz_open_procfs(0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)
mount$9p_virtio(&(0x7f00000001c0), &(0x7f0000000480)='./file0\x00', &(0x7f00000004c0), 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="56c78e3c733d76697274696f2c6e6f657874656e642c6163638173733d616e792c63616368653d667363616368652c76657273696f6e3d3970323030302e75"])
r5 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r5, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10)
socket$nl_sock_diag(0x10, 0x3, 0x4)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-bpf$BPF_BTF_LOAD-syz_open_procfs-syz_open_dev$dvb_frontend-mount$9p_virtio-socket$inet-sendto$inet
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={0x0, &(0x7f0000000300)=""/245, 0x0, 0xf5, 0x0, 0x100}, 0x28)
syz_open_procfs(0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)
mount$9p_virtio(&(0x7f00000001c0), &(0x7f0000000480)='./file0\x00', &(0x7f00000004c0), 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="56c78e3c733d76697274696f2c6e6f657874656e642c6163638173733d616e792c63616368653d667363616368652c76657273696f6e3d3970323030302e75"])
r5 = socket$inet(0x2, 0x4000000000000001, 0x0)
sendto$inet(r5, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-bpf$BPF_BTF_LOAD-syz_open_procfs-syz_open_dev$dvb_frontend-mount$9p_virtio-socket$inet
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={0x0, &(0x7f0000000300)=""/245, 0x0, 0xf5, 0x0, 0x100}, 0x28)
syz_open_procfs(0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)
mount$9p_virtio(&(0x7f00000001c0), &(0x7f0000000480)='./file0\x00', &(0x7f00000004c0), 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="56c78e3c733d76697274696f2c6e6f657874656e642c6163638173733d616e792c63616368653d667363616368652c76657273696f6e3d3970323030302e75"])
socket$inet(0x2, 0x4000000000000001, 0x0)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-bpf$BPF_BTF_LOAD-syz_open_procfs-syz_open_dev$dvb_frontend-mount$9p_virtio
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={0x0, &(0x7f0000000300)=""/245, 0x0, 0xf5, 0x0, 0x100}, 0x28)
syz_open_procfs(0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)
mount$9p_virtio(&(0x7f00000001c0), &(0x7f0000000480)='./file0\x00', &(0x7f00000004c0), 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="56c78e3c733d76697274696f2c6e6f657874656e642c6163638173733d616e792c63616368653d667363616368652c76657273696f6e3d3970323030302e75"])

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-bpf$BPF_BTF_LOAD-syz_open_procfs-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={0x0, &(0x7f0000000300)=""/245, 0x0, 0xf5, 0x0, 0x100}, 0x28)
syz_open_procfs(0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-bpf$BPF_BTF_LOAD-syz_open_procfs
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={0x0, &(0x7f0000000300)=""/245, 0x0, 0xf5, 0x0, 0x100}, 0x28)
syz_open_procfs(0x0, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-bpf$BPF_BTF_LOAD-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000400)={0x0, &(0x7f0000000300)=""/245, 0x0, 0xf5, 0x0, 0x100}, 0x28)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-bind$inet-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
r2 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r2, 0x84, 0x6f, &(0x7f00000000c0)={<r3=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000840)={r3, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-socket$nl_generic-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={<r2=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000840)={r2, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_genetlink_get_family_id$wireguard-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={<r2=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000840)={r2, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_genetlink_get_family_id$wireguard(&(0x7f0000000100), 0xffffffffffffffff)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-openat$nci-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={<r2=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000840)={r2, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
openat$nci(0xffffffffffffff9c, 0x0, 0x2, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-pread64-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={<r2=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000840)={r2, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
pread64(0xffffffffffffffff, 0x0, 0x0, 0x200)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={<r2=>0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000840)={r2, @in6={{0xa, 0x4e23, 0xe84, @empty, 0x129}}, 0x2, 0x2, 0x0, 0x2, 0x5, 0x8, 0x4}, 0x9c)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-sendmsg$nl_route-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x44}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-socket$nl_route-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
socket$nl_route(0x10, 0x3, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0x7, 0x23}, 0x90)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Write in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-socket$inet6_sctp-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
socket$inet6_sctp(0xa, 0x1, 0x84)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-socket$inet_udp-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$inet_udp(0x2, 0x2, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-syz_open_dev$sndmidi-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-getsockopt$inet6_tcp_buf-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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)
getsockopt$inet6_tcp_buf(0xffffffffffffffff, 0x6, 0xd, &(0x7f0000000500)=""/139, &(0x7f00000005c0)=0x8b)
writev(0xffffffffffffffff, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
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$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): openat$binderfs-prctl$PR_SCHED_CORE-prlimit64-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): openat$binderfs-prctl$PR_SCHED_CORE-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): openat$binderfs-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Write in dvb_device_open
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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_frontend_open
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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{0x0}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x40402)

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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
program crashed: KASAN: use-after-free Read in dvb_device_open
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
program crashed: KASAN: use-after-free Read in dvb_device_open
testing compiled C program (duration=6m0s, {Threaded:false 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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
program crashed: KASAN: use-after-free Read in dvb_device_open
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
program crashed: KASAN: use-after-free Read in dvb_device_open
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
program crashed: KASAN: use-after-free Read in dvb_device_open
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
program crashed: KASAN: use-after-free Read in dvb_device_open
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
program crashed: KASAN: use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f00000002c0), 0x0, 0x40402)

program crashed: KASAN: use-after-free Read in dvb_device_open
validation run: crashed=true
reproducing took 2h22m34.950801983s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in dvb_device_open+0xc5/0x360 drivers/media/dvb-core/dvbdev.c:109
Read of size 8 at addr ffff88802a456c18 by task syz.0.80/4484

CPU: 1 PID: 4484 Comm: syz.0.80 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 print_address_description+0x60/0x2d0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0xdf/0x130 mm/kasan/report.c:451
 dvb_device_open+0xc5/0x360 drivers/media/dvb-core/dvbdev.c:109
 chrdev_open+0x585/0x5f0 fs/char_dev.c:414
 do_dentry_open+0x7f7/0xf90 fs/open.c:826
 do_open fs/namei.c:3616 [inline]
 path_openat+0x2718/0x2fb0 fs/namei.c:3750
 do_filp_open+0x1df/0x400 fs/namei.c:3777
 do_sys_openat2+0x14b/0x500 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f203b14890e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007fffbc17c348 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000555577b43500 RCX: 00007f203b14890e
RDX: 0000000000040402 RSI: 00007fffbc17c420 RDI: ffffffffffffff9c
RBP: 00007fffbc17c420 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007f203b40ffac R14: 00007f203b40ffa0 R15: 00007f203b40ffa0
 </TASK>

Allocated by task 1:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc mm/kasan/common.c:513 [inline]
 __kasan_kmalloc+0xaf/0xe0 mm/kasan/common.c:522
 kmalloc include/linux/slab.h:607 [inline]
 kzalloc include/linux/slab.h:738 [inline]
 dvb_register_device+0x300/0x1dc0 drivers/media/dvb-core/dvbdev.c:488
 dvb_register_frontend+0x629/0x900 drivers/media/dvb-core/dvb_frontend.c:3034
 vidtv_bridge_dvb_init drivers/media/test-drivers/vidtv/vidtv_bridge.c:438 [inline]
 vidtv_bridge_probe+0x9c1/0xf30 drivers/media/test-drivers/vidtv/vidtv_bridge.c:510
 platform_probe+0x137/0x1c0 drivers/base/platform.c:1391
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x276/0xc70 drivers/base/dd.c:595
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:775
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:805
 __driver_attach+0x45d/0x660 drivers/base/dd.c:1184
 bus_for_each_dev+0x182/0x1f0 drivers/base/bus.c:303
 bus_add_driver+0x324/0x5d0 drivers/base/bus.c:620
 driver_register+0x32d/0x430 drivers/base/driver.c:240
 vidtv_bridge_init+0x39/0x70 drivers/media/test-drivers/vidtv/vidtv_bridge.c:602
 do_one_initcall+0x272/0x730 init/main.c:1315
 do_initcall_level+0x13d/0x1f0 init/main.c:1388
 do_initcalls+0x4b/0x90 init/main.c:1404
 kernel_init_freeable+0x3d5/0x560 init/main.c:1628
 kernel_init+0x19/0x1b0 init/main.c:1519
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 4475:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:46
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
 ____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1710 [inline]
 slab_free_freelist_hook+0xec/0x170 mm/slub.c:1736
 slab_free mm/slub.c:3504 [inline]
 kfree+0xef/0x2a0 mm/slub.c:4564
 dvb_free_device drivers/media/dvb-core/dvbdev.c:635 [inline]
 kref_put include/linux/kref.h:65 [inline]
 dvb_device_put drivers/media/dvb-core/dvbdev.c:650 [inline]
 dvb_device_open+0x2d2/0x360 drivers/media/dvb-core/dvbdev.c:123
 chrdev_open+0x585/0x5f0 fs/char_dev.c:414
 do_dentry_open+0x7f7/0xf90 fs/open.c:826
 do_open fs/namei.c:3616 [inline]
 path_openat+0x2718/0x2fb0 fs/namei.c:3750
 do_filp_open+0x1df/0x400 fs/namei.c:3777
 do_sys_openat2+0x14b/0x500 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88802a456c00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 24 bytes inside of
 256-byte region [ffff88802a456c00, ffff88802a456d00)
The buggy address belongs to the page:
page:ffffea0000a91580 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802a456800 pfn:0x2a456
head:ffffea0000a91580 order:1 compound_mapcount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea0001d22d08 ffffea00016c8c88 ffff888016c41b40
raw: ffff88802a456800 000000000010000b 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, ts 21397664450, free_ts 0
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x24f6/0x2670 mm/page_alloc.c:4192
 __alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
 alloc_page_interleave+0x24/0x1e0 mm/mempolicy.c:2031
 alloc_slab_page mm/slub.c:1780 [inline]
 allocate_slab mm/slub.c:1917 [inline]
 new_slab+0xc0/0x4b0 mm/slub.c:1980
 ___slab_alloc+0x807/0xdd0 mm/slub.c:3013
 __slab_alloc mm/slub.c:3100 [inline]
 slab_alloc_node mm/slub.c:3191 [inline]
 __kmalloc_node+0x142/0x3a0 mm/slub.c:4456
 kmalloc_node include/linux/slab.h:630 [inline]
 kvmalloc_node+0x84/0x130 mm/util.c:619
 kvmalloc include/linux/mm.h:816 [inline]
 kvzalloc include/linux/mm.h:824 [inline]
 v4l2_ctrl_new+0x70f/0x1310 drivers/media/v4l2-core/v4l2-ctrls-core.c:1306
 v4l2_ctrl_new_std+0x247/0x300 drivers/media/v4l2-core/v4l2-ctrls-core.c:1429
 handler_new_ref+0x14f/0x8d0 drivers/media/v4l2-core/v4l2-ctrls-core.c:1098
 v4l2_ctrl_add_handler+0x197/0x280 drivers/media/v4l2-core/v4l2-ctrls-core.c:1573
 vivid_create_controls+0x2878/0x3380 drivers/media/test-drivers/vivid/vivid-ctrls.c:1914
 vivid_create_instance drivers/media/test-drivers/vivid/vivid-core.c:1860 [inline]
 vivid_probe+0x39ff/0x6240 drivers/media/test-drivers/vivid/vivid-core.c:2031
 platform_probe+0x137/0x1c0 drivers/base/platform.c:1391
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x276/0xc70 drivers/base/dd.c:595
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:775
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802a456b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802a456b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88802a456c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88802a456c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88802a456d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in dvb_device_open+0xc5/0x360 drivers/media/dvb-core/dvbdev.c:109
Read of size 8 at addr ffff88802a456c18 by task syz.0.80/4484

CPU: 1 PID: 4484 Comm: syz.0.80 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 print_address_description+0x60/0x2d0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0xdf/0x130 mm/kasan/report.c:451
 dvb_device_open+0xc5/0x360 drivers/media/dvb-core/dvbdev.c:109
 chrdev_open+0x585/0x5f0 fs/char_dev.c:414
 do_dentry_open+0x7f7/0xf90 fs/open.c:826
 do_open fs/namei.c:3616 [inline]
 path_openat+0x2718/0x2fb0 fs/namei.c:3750
 do_filp_open+0x1df/0x400 fs/namei.c:3777
 do_sys_openat2+0x14b/0x500 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f203b14890e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007fffbc17c348 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000555577b43500 RCX: 00007f203b14890e
RDX: 0000000000040402 RSI: 00007fffbc17c420 RDI: ffffffffffffff9c
RBP: 00007fffbc17c420 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007f203b40ffac R14: 00007f203b40ffa0 R15: 00007f203b40ffa0
 </TASK>

Allocated by task 1:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc mm/kasan/common.c:513 [inline]
 __kasan_kmalloc+0xaf/0xe0 mm/kasan/common.c:522
 kmalloc include/linux/slab.h:607 [inline]
 kzalloc include/linux/slab.h:738 [inline]
 dvb_register_device+0x300/0x1dc0 drivers/media/dvb-core/dvbdev.c:488
 dvb_register_frontend+0x629/0x900 drivers/media/dvb-core/dvb_frontend.c:3034
 vidtv_bridge_dvb_init drivers/media/test-drivers/vidtv/vidtv_bridge.c:438 [inline]
 vidtv_bridge_probe+0x9c1/0xf30 drivers/media/test-drivers/vidtv/vidtv_bridge.c:510
 platform_probe+0x137/0x1c0 drivers/base/platform.c:1391
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x276/0xc70 drivers/base/dd.c:595
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:775
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:805
 __driver_attach+0x45d/0x660 drivers/base/dd.c:1184
 bus_for_each_dev+0x182/0x1f0 drivers/base/bus.c:303
 bus_add_driver+0x324/0x5d0 drivers/base/bus.c:620
 driver_register+0x32d/0x430 drivers/base/driver.c:240
 vidtv_bridge_init+0x39/0x70 drivers/media/test-drivers/vidtv/vidtv_bridge.c:602
 do_one_initcall+0x272/0x730 init/main.c:1315
 do_initcall_level+0x13d/0x1f0 init/main.c:1388
 do_initcalls+0x4b/0x90 init/main.c:1404
 kernel_init_freeable+0x3d5/0x560 init/main.c:1628
 kernel_init+0x19/0x1b0 init/main.c:1519
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 4475:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:46
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
 ____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1710 [inline]
 slab_free_freelist_hook+0xec/0x170 mm/slub.c:1736
 slab_free mm/slub.c:3504 [inline]
 kfree+0xef/0x2a0 mm/slub.c:4564
 dvb_free_device drivers/media/dvb-core/dvbdev.c:635 [inline]
 kref_put include/linux/kref.h:65 [inline]
 dvb_device_put drivers/media/dvb-core/dvbdev.c:650 [inline]
 dvb_device_open+0x2d2/0x360 drivers/media/dvb-core/dvbdev.c:123
 chrdev_open+0x585/0x5f0 fs/char_dev.c:414
 do_dentry_open+0x7f7/0xf90 fs/open.c:826
 do_open fs/namei.c:3616 [inline]
 path_openat+0x2718/0x2fb0 fs/namei.c:3750
 do_filp_open+0x1df/0x400 fs/namei.c:3777
 do_sys_openat2+0x14b/0x500 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88802a456c00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 24 bytes inside of
 256-byte region [ffff88802a456c00, ffff88802a456d00)
The buggy address belongs to the page:
page:ffffea0000a91580 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802a456800 pfn:0x2a456
head:ffffea0000a91580 order:1 compound_mapcount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea0001d22d08 ffffea00016c8c88 ffff888016c41b40
raw: ffff88802a456800 000000000010000b 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, ts 21397664450, free_ts 0
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x24f6/0x2670 mm/page_alloc.c:4192
 __alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
 alloc_page_interleave+0x24/0x1e0 mm/mempolicy.c:2031
 alloc_slab_page mm/slub.c:1780 [inline]
 allocate_slab mm/slub.c:1917 [inline]
 new_slab+0xc0/0x4b0 mm/slub.c:1980
 ___slab_alloc+0x807/0xdd0 mm/slub.c:3013
 __slab_alloc mm/slub.c:3100 [inline]
 slab_alloc_node mm/slub.c:3191 [inline]
 __kmalloc_node+0x142/0x3a0 mm/slub.c:4456
 kmalloc_node include/linux/slab.h:630 [inline]
 kvmalloc_node+0x84/0x130 mm/util.c:619
 kvmalloc include/linux/mm.h:816 [inline]
 kvzalloc include/linux/mm.h:824 [inline]
 v4l2_ctrl_new+0x70f/0x1310 drivers/media/v4l2-core/v4l2-ctrls-core.c:1306
 v4l2_ctrl_new_std+0x247/0x300 drivers/media/v4l2-core/v4l2-ctrls-core.c:1429
 handler_new_ref+0x14f/0x8d0 drivers/media/v4l2-core/v4l2-ctrls-core.c:1098
 v4l2_ctrl_add_handler+0x197/0x280 drivers/media/v4l2-core/v4l2-ctrls-core.c:1573
 vivid_create_controls+0x2878/0x3380 drivers/media/test-drivers/vivid/vivid-ctrls.c:1914
 vivid_create_instance drivers/media/test-drivers/vivid/vivid-core.c:1860 [inline]
 vivid_probe+0x39ff/0x6240 drivers/media/test-drivers/vivid/vivid-core.c:2031
 platform_probe+0x137/0x1c0 drivers/base/platform.c:1391
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x276/0xc70 drivers/base/dd.c:595
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:775
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802a456b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802a456b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88802a456c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88802a456c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88802a456d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================