Extracting prog: 1m43.90362698s
Minimizing prog: 7m1.280179927s
Simplifying prog options: 1m58.459366532s
Extracting C: 18.935620903s
Simplifying C: 4m41.691748804s


24 programs, 3 VMs, timeouts [15s 1m40s 6m0s]
extracting reproducer from 24 programs
single: executing 4 programs separately with timeout 15s
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-ioctl$EVIOCGKEY-socket$nl_route-socket$inet6_udp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-syz_clone
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x12, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xb}, 0x90)
ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000000)=""/70)
r3 = socket$nl_route(0x10, 0x3, 0x0)
r4 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000c80)={'lo\x00', <r5=>0x0})
sendmsg$nl_route_sched(r3, &(0x7f0000001200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=@newqdisc={0x60, 0x24, 0x4ee4e6a52ff56541, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_netem={{0xa}, {0x30, 0x2, {{}, [@TCA_NETEM_RATE={0x14, 0xe}]}}}]}, 0x60}}, 0x0)
syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: lost connection to test machine
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-ioctl$EVIOCGKEY-socket$nl_route-socket$inet6_udp-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x12, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xb}, 0x90)
ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000000)=""/70)
r3 = socket$nl_route(0x10, 0x3, 0x0)
r4 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000c80)={'lo\x00', <r5=>0x0})
sendmsg$nl_route_sched(r3, &(0x7f0000001200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=@newqdisc={0x60, 0x24, 0x4ee4e6a52ff56541, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_netem={{0xa}, {0x30, 0x2, {{}, [@TCA_NETEM_RATE={0x14, 0xe}]}}}]}, 0x60}}, 0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-ioctl$EVIOCGKEY-socket$nl_route-socket$inet6_udp-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x12, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xb}, 0x90)
ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000000)=""/70)
socket$nl_route(0x10, 0x3, 0x0)
r3 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000c80)={'lo\x00'})

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-ioctl$EVIOCGKEY-socket$nl_route-socket$inet6_udp
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x12, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xb}, 0x90)
ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000000)=""/70)
socket$nl_route(0x10, 0x3, 0x0)
socket$inet6_udp(0xa, 0x2, 0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-ioctl$EVIOCGKEY-socket$nl_route
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x12, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xb}, 0x90)
ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000000)=""/70)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-ioctl$EVIOCGKEY
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x12, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xb}, 0x90)
ioctl$EVIOCGKEY(r0, 0x80404518, &(0x7f0000000000)=""/70)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$PROG_LOAD_XDP(0x5, &(0x7f00000001c0)={0x12, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xb}, 0x90)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN-bpf$PROG_LOAD
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)
bpf$PROG_LOAD(0x5, 0x0, 0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE-bpf$PROG_LOAD
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x7, &(0x7f0000000240)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r1, @ANYBLOB="0000000000000000b702000002000000850000008600000095"], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv-bpf$MAP_CREATE
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x48)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng-preadv
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000001f00)=""/102386, 0x18ff2}], 0x1, 0x0, 0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$hwrng
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)
openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x200000, 0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x3, 0x200000005c832, 0xffffffffffffffff, 0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
detailed listing:
executing program 0:

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
simplifying guilty program options
testing program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
detailed listing:
executing program 0:

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
detailed listing:
executing program 0:

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program crashed: KASAN: slab-use-after-free Write in skb_release_data
simplifying C reproducer
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 
program did not crash
reproducing took 16m35.546633418s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in skb_release_data+0x83d/0x980 net/core/skbuff.c:1119
Write of size 1 at addr ffff8880244206be by task syz-executor154/5208

CPU: 2 PID: 5208 Comm: syz-executor154 Not tainted 6.10.0-rc5-syzkaller-00253-gde0a9f448633 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 skb_release_data+0x83d/0x980 net/core/skbuff.c:1119
 skb_release_all net/core/skbuff.c:1173 [inline]
 __kfree_skb net/core/skbuff.c:1187 [inline]
 kfree_skb_reason+0x12b/0x210 net/core/skbuff.c:1223
 kfree_skb include/linux/skbuff.h:1257 [inline]
 __hci_req_sync+0x61d/0x980 net/bluetooth/hci_request.c:184
 hci_req_sync+0x97/0xd0 net/bluetooth/hci_request.c:206
 hci_dev_cmd+0x634/0x960 net/bluetooth/hci_core.c:787
 hci_sock_ioctl+0x4f3/0x880 net/bluetooth/hci_sock.c:1150
 hci_sock_compat_ioctl net/bluetooth/hci_sock.c:1177 [inline]
 hci_sock_compat_ioctl+0x68/0x80 net/bluetooth/hci_sock.c:1166
 compat_sock_ioctl+0x181/0x7f0 net/socket.c:3522
 __do_compat_sys_ioctl+0x2c3/0x330 fs/ioctl.c:1007
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7e52579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ff8b2734 EFLAGS: 00000292 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000400448dd
RDX: 00000000ff8b27d8 RSI: 00000000f7f1dff4 RDI: 00000000578903d8
RBP: 00000000ff8b28e8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Allocated by task 4642:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:312 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:338
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3940 [inline]
 slab_alloc_node mm/slub.c:4002 [inline]
 kmem_cache_alloc_noprof+0x121/0x2f0 mm/slub.c:4009
 skb_clone+0x190/0x3f0 net/core/skbuff.c:2052
 hci_send_cmd_sync net/bluetooth/hci_core.c:4123 [inline]
 hci_cmd_work+0x66a/0x710 net/bluetooth/hci_core.c:4143
 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3248
 process_scheduled_works kernel/workqueue.c:3329 [inline]
 worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Freed by task 4642:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
 poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
 __kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2196 [inline]
 slab_free mm/slub.c:4438 [inline]
 kmem_cache_free+0x12f/0x3a0 mm/slub.c:4513
 kfree_skbmem+0x10e/0x200 net/core/skbuff.c:1131
 __kfree_skb net/core/skbuff.c:1188 [inline]
 kfree_skb_reason+0x138/0x210 net/core/skbuff.c:1223
 kfree_skb include/linux/skbuff.h:1257 [inline]
 hci_req_sync_complete+0x16c/0x270 net/bluetooth/hci_request.c:109
 hci_event_packet+0x963/0x1190 net/bluetooth/hci_event.c:7479
 hci_rx_work+0x2c4/0x1610 net/bluetooth/hci_core.c:4074
 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3248
 process_scheduled_works kernel/workqueue.c:3329 [inline]
 worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

The buggy address belongs to the object at ffff888024420640
 which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 126 bytes inside of
 freed 240-byte region [ffff888024420640, ffff888024420730)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x24420
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffefff(slab)
raw: 00fff00000000040 ffff888016b6e780 ffffea0000784380 dead000000000004
raw: 0000000000000000 0000000000190019 00000001ffffefff 0000000000000000
head: 00fff00000000040 ffff888016b6e780 ffffea0000784380 dead000000000004
head: 0000000000000000 0000000000190019 00000001ffffefff 0000000000000000
head: 00fff00000000001 ffffea0000910801 ffffffffffffffff 0000000000000000
head: 0000000000000002 0000000000000000 00000000ffffffff 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, tgid 1 (swapper/0), ts 17996058903, free_ts 17596587707
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1473
 prep_new_page mm/page_alloc.c:1481 [inline]
 get_page_from_freelist+0x1353/0x2e50 mm/page_alloc.c:3425
 __alloc_pages_noprof+0x22b/0x2460 mm/page_alloc.c:4683
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x56/0x110 mm/slub.c:2265
 allocate_slab mm/slub.c:2428 [inline]
 new_slab+0x84/0x260 mm/slub.c:2481
 ___slab_alloc+0xdac/0x1870 mm/slub.c:3667
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3757
 __slab_alloc_node mm/slub.c:3810 [inline]
 slab_alloc_node mm/slub.c:3990 [inline]
 kmem_cache_alloc_node_noprof+0xed/0x310 mm/slub.c:4045
 __alloc_skb+0x2b3/0x380 net/core/skbuff.c:656
 alloc_skb include/linux/skbuff.h:1308 [inline]
 nlmsg_new include/net/netlink.h:1015 [inline]
 ctrl_build_family_msg+0x36/0xa0 net/netlink/genetlink.c:1388
 genl_ctrl_event.isra.0+0x5a6/0x930 net/netlink/genetlink.c:1490
 genl_register_family.part.0+0x933/0x11f0 net/netlink/genetlink.c:830
 genl_register_family+0x32/0x50 net/netlink/genetlink.c:786
 seg6_init+0x43/0x110 net/ipv6/seg6.c:519
 inet6_init+0x519/0x7c0 net/ipv6/af_inet6.c:1217
 do_one_initcall+0x128/0x630 init/main.c:1267
page last free pid 814 tgid 814 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1093 [inline]
 free_unref_page+0x64a/0xe40 mm/page_alloc.c:2588
 vfree+0x181/0x7a0 mm/vmalloc.c:3355
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3276
 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3248
 process_scheduled_works kernel/workqueue.c:3329 [inline]
 worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Memory state around the buggy address:
 ffff888024420580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
 ffff888024420600: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
>ffff888024420680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                        ^
 ffff888024420700: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
 ffff888024420780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in skb_release_data+0x83d/0x980 net/core/skbuff.c:1119
Write of size 1 at addr ffff8880244206be by task syz-executor154/5208

CPU: 2 PID: 5208 Comm: syz-executor154 Not tainted 6.10.0-rc5-syzkaller-00253-gde0a9f448633 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 skb_release_data+0x83d/0x980 net/core/skbuff.c:1119
 skb_release_all net/core/skbuff.c:1173 [inline]
 __kfree_skb net/core/skbuff.c:1187 [inline]
 kfree_skb_reason+0x12b/0x210 net/core/skbuff.c:1223
 kfree_skb include/linux/skbuff.h:1257 [inline]
 __hci_req_sync+0x61d/0x980 net/bluetooth/hci_request.c:184
 hci_req_sync+0x97/0xd0 net/bluetooth/hci_request.c:206
 hci_dev_cmd+0x634/0x960 net/bluetooth/hci_core.c:787
 hci_sock_ioctl+0x4f3/0x880 net/bluetooth/hci_sock.c:1150
 hci_sock_compat_ioctl net/bluetooth/hci_sock.c:1177 [inline]
 hci_sock_compat_ioctl+0x68/0x80 net/bluetooth/hci_sock.c:1166
 compat_sock_ioctl+0x181/0x7f0 net/socket.c:3522
 __do_compat_sys_ioctl+0x2c3/0x330 fs/ioctl.c:1007
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7e52579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ff8b2734 EFLAGS: 00000292 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000400448dd
RDX: 00000000ff8b27d8 RSI: 00000000f7f1dff4 RDI: 00000000578903d8
RBP: 00000000ff8b28e8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Allocated by task 4642:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:312 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:338
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3940 [inline]
 slab_alloc_node mm/slub.c:4002 [inline]
 kmem_cache_alloc_noprof+0x121/0x2f0 mm/slub.c:4009
 skb_clone+0x190/0x3f0 net/core/skbuff.c:2052
 hci_send_cmd_sync net/bluetooth/hci_core.c:4123 [inline]
 hci_cmd_work+0x66a/0x710 net/bluetooth/hci_core.c:4143
 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3248
 process_scheduled_works kernel/workqueue.c:3329 [inline]
 worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Freed by task 4642:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
 poison_slab_object+0xf7/0x160 mm/kasan/common.c:240
 __kasan_slab_free+0x32/0x50 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2196 [inline]
 slab_free mm/slub.c:4438 [inline]
 kmem_cache_free+0x12f/0x3a0 mm/slub.c:4513
 kfree_skbmem+0x10e/0x200 net/core/skbuff.c:1131
 __kfree_skb net/core/skbuff.c:1188 [inline]
 kfree_skb_reason+0x138/0x210 net/core/skbuff.c:1223
 kfree_skb include/linux/skbuff.h:1257 [inline]
 hci_req_sync_complete+0x16c/0x270 net/bluetooth/hci_request.c:109
 hci_event_packet+0x963/0x1190 net/bluetooth/hci_event.c:7479
 hci_rx_work+0x2c4/0x1610 net/bluetooth/hci_core.c:4074
 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3248
 process_scheduled_works kernel/workqueue.c:3329 [inline]
 worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

The buggy address belongs to the object at ffff888024420640
 which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 126 bytes inside of
 freed 240-byte region [ffff888024420640, ffff888024420730)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x24420
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffefff(slab)
raw: 00fff00000000040 ffff888016b6e780 ffffea0000784380 dead000000000004
raw: 0000000000000000 0000000000190019 00000001ffffefff 0000000000000000
head: 00fff00000000040 ffff888016b6e780 ffffea0000784380 dead000000000004
head: 0000000000000000 0000000000190019 00000001ffffefff 0000000000000000
head: 00fff00000000001 ffffea0000910801 ffffffffffffffff 0000000000000000
head: 0000000000000002 0000000000000000 00000000ffffffff 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, tgid 1 (swapper/0), ts 17996058903, free_ts 17596587707
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1473
 prep_new_page mm/page_alloc.c:1481 [inline]
 get_page_from_freelist+0x1353/0x2e50 mm/page_alloc.c:3425
 __alloc_pages_noprof+0x22b/0x2460 mm/page_alloc.c:4683
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x56/0x110 mm/slub.c:2265
 allocate_slab mm/slub.c:2428 [inline]
 new_slab+0x84/0x260 mm/slub.c:2481
 ___slab_alloc+0xdac/0x1870 mm/slub.c:3667
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3757
 __slab_alloc_node mm/slub.c:3810 [inline]
 slab_alloc_node mm/slub.c:3990 [inline]
 kmem_cache_alloc_node_noprof+0xed/0x310 mm/slub.c:4045
 __alloc_skb+0x2b3/0x380 net/core/skbuff.c:656
 alloc_skb include/linux/skbuff.h:1308 [inline]
 nlmsg_new include/net/netlink.h:1015 [inline]
 ctrl_build_family_msg+0x36/0xa0 net/netlink/genetlink.c:1388
 genl_ctrl_event.isra.0+0x5a6/0x930 net/netlink/genetlink.c:1490
 genl_register_family.part.0+0x933/0x11f0 net/netlink/genetlink.c:830
 genl_register_family+0x32/0x50 net/netlink/genetlink.c:786
 seg6_init+0x43/0x110 net/ipv6/seg6.c:519
 inet6_init+0x519/0x7c0 net/ipv6/af_inet6.c:1217
 do_one_initcall+0x128/0x630 init/main.c:1267
page last free pid 814 tgid 814 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1093 [inline]
 free_unref_page+0x64a/0xe40 mm/page_alloc.c:2588
 vfree+0x181/0x7a0 mm/vmalloc.c:3355
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3276
 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3248
 process_scheduled_works kernel/workqueue.c:3329 [inline]
 worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Memory state around the buggy address:
 ffff888024420580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
 ffff888024420600: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
>ffff888024420680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                        ^
 ffff888024420700: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
 ffff888024420780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi