Extracting prog: 1m15.250371006s
Minimizing prog: 15m38.753324821s
Simplifying prog options: 0s
Extracting C: 53.731675066s
Simplifying C: 6m30.608644574s


extracting reproducer from 69 programs
testing a last program of every proc
single: executing 19 programs separately with timeout 30s
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-socket$nl_route-socket$nl_route-socket$inet6_udp-ioctl$sock_SIOCGIFINDEX-socket$inet6-connect$inet6-sendmmsg
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
socket$nl_route(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'lo\x00'})
r1 = socket$inet6(0xa, 0x80003, 0x6)
connect$inet6(r1, &(0x7f0000000780)={0xa, 0x0, 0x0, @loopback}, 0x1c)
sendmmsg(r1, &(0x7f00000007c0), 0x2e9, 0x0)

program did not crash
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT-openat$selinux_mls-ioctl$XFS_IOC_SCRUBV_METADATA-ioctl$XFS_IOC_SCRUBV_METADATA-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_add_memb-socket$nl_route-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})
r3 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]}) (async)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]})
r4 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000380)={'macsec0\x00', <r5=>0x0})
setsockopt$packet_add_memb(r4, 0x107, 0x1, &(0x7f00000003c0)={r5, 0x1, 0x6, @local}, 0x10)
r6 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000004c0)=@getchain={0x24, 0x11, 0x1, 0xfffffffe, 0x2000001, {0x0, 0x0, 0x0, r5, {0x5, 0xa}, {0xd, 0x9}, {0x8}}}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x20040054)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
single: successfully extracted reproducer
found reproducer with 20 syscalls
minimizing guilty program
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT-openat$selinux_mls-ioctl$XFS_IOC_SCRUBV_METADATA-ioctl$XFS_IOC_SCRUBV_METADATA-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_add_memb-socket$nl_route
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})
r3 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]}) (async)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]})
r4 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000380)={'macsec0\x00', <r5=>0x0})
setsockopt$packet_add_memb(r4, 0x107, 0x1, &(0x7f00000003c0)={r5, 0x1, 0x6, @local}, 0x10)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT-openat$selinux_mls-ioctl$XFS_IOC_SCRUBV_METADATA-ioctl$XFS_IOC_SCRUBV_METADATA-socket$packet-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_add_memb
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})
r3 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]}) (async)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]})
r4 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000380)={'macsec0\x00', <r5=>0x0})
setsockopt$packet_add_memb(r4, 0x107, 0x1, &(0x7f00000003c0)={r5, 0x1, 0x6, @local}, 0x10)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT-openat$selinux_mls-ioctl$XFS_IOC_SCRUBV_METADATA-ioctl$XFS_IOC_SCRUBV_METADATA-socket$packet-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})
r3 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]}) (async)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]})
r4 = socket$packet(0x11, 0x3, 0x300)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000380)={'macsec0\x00'})

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT-openat$selinux_mls-ioctl$XFS_IOC_SCRUBV_METADATA-ioctl$XFS_IOC_SCRUBV_METADATA-socket$packet
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})
r3 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]}) (async)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]})
socket$packet(0x11, 0x3, 0x300)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT-openat$selinux_mls-ioctl$XFS_IOC_SCRUBV_METADATA-ioctl$XFS_IOC_SCRUBV_METADATA
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})
r3 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]}) (async)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]})

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT-openat$selinux_mls-ioctl$XFS_IOC_SCRUBV_METADATA
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})
r3 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$XFS_IOC_SCRUBV_METADATA(r3, 0xc0285840, &(0x7f00000000c0)={0x10001, 0x5, 0x8, 0x0, 0x9, 0x8, 0x0, &(0x7f0000000040)=[{0x9, 0x101, 0x9}, {0x12, 0x101, 0x1}, {0x16, 0x1ff, 0x9}, {0x1, 0xfe, 0x4}, {0x1c, 0x101, 0x10001}, {0x12, 0xfe, 0xfff}, {0xb, 0x101, 0x5}, {0x1c, 0xfe, 0x10001}]}) (async)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT-openat$selinux_mls
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})
openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-sendmsg$can_bcm
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYRESHEX=0x0, @ANYRES8=r0, @ANYRESOCT=r2, @ANYRESDEC=r2], 0x80}}, 0x20044000)

program did not crash
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-connect$inet6-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
connect$inet6(r2, &(0x7f0000000200)={0xa, 0x4e21, 0x4007, @ipv4={'\x00', '\xff\xff', @remote}, 0x9bd}, 0x1c)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-socket$inet6_udp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program did not crash
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0) (async)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program did not crash
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
socket$pppl2tp(0x18, 0x1, 0x1) (async)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(0xffffffffffffffff, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
ioctl$XFS_IOC_FSGROWFSRT(0xffffffffffffffff, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program did not crash
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-connect$can_bcm-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000000100), 0x10)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r2, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
ioctl$XFS_IOC_FSGROWFSRT(r1, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$can_bcm-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
socket$can_bcm(0x1d, 0x2, 0x2)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
ioctl$XFS_IOC_FSGROWFSRT(r0, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e) (async)
ioctl$XFS_IOC_FSGROWFSRT(r0, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb}) (async)

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
ioctl$XFS_IOC_FSGROWFSRT(r0, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, 0x0, 0x0)
ioctl$XFS_IOC_FSGROWFSRT(r0, 0x40105870, &(0x7f0000000280)={0x3, 0xfffffffb})

program did not crash
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
ioctl$XFS_IOC_FSGROWFSRT(r0, 0x40105870, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
extracting C reproducer
testing compiled C program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Write in pppol2tp_release
simplifying C reproducer
testing compiled C program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {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:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program did not crash
testing compiled C program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Write in pppol2tp_release
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
ioctl$XFS_IOC_FSGROWFSRT(r0, 0x40105870, 0x0)

program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
ioctl$XFS_IOC_FSGROWFSRT(r0, 0x40105870, 0x0)

program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$XFS_IOC_FSGROWFSRT
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f00000001c0)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x20}}, 0x2}}, 0x2e)
ioctl$XFS_IOC_FSGROWFSRT(r0, 0x40105870, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
reproducing took 26m0.526875034s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
Write of size 8 at addr ffff888129104d50 by task syz.2.17/370

CPU: 0 PID: 370 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
 mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7a26540f19
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffc33cac38 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fffc33cad20 RCX: 00007f7a26540f19
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000000689c R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32c20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7a267bdfac R14: 00007f7a267bdfa8 R15: 00007f7a267bdfa0
 </TASK>

Allocated by task 370:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772
 __sys_connect_file net/socket.c:1923 [inline]
 __sys_connect+0x3cb/0x450 net/socket.c:1940
 __do_sys_connect net/socket.c:1950 [inline]
 __se_sys_connect net/socket.c:1947 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:1947
 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 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

Freed by task 370:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kfree+0xc4/0x270 mm/slub.c:4588
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:439
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff888129104c00
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff888129104c00, ffff888129104e00)
The buggy address belongs to the page:
page:ffffea0004a44100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x129104
head:ffffea0004a44100 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 45, ts 26794598658, free_ts 25803473512
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2610
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2616
 get_page_from_freelist+0x2d42/0x2dd0 mm/page_alloc.c:4492
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5829
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc+0x16a/0x2c0 mm/slub.c:4432
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 fib6_info_alloc+0x34/0xe0 net/ipv6/ip6_fib.c:155
 ip6_route_info_create+0x51b/0x14d0 net/ipv6/route.c:3787
 ip6_route_add+0x27/0x130 net/ipv6/route.c:3883
 addrconf_add_mroute net/ipv6/addrconf.c:2543 [inline]
 addrconf_add_dev+0x385/0x4c0 net/ipv6/addrconf.c:2561
 addrconf_dev_config net/ipv6/addrconf.c:3447 [inline]
 addrconf_init_auto_addrs+0x7ae/0xbd0 net/ipv6/addrconf.c:3535
 addrconf_notify+0x95d/0xe00 net/ipv6/addrconf.c:3704
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0x90/0x100 kernel/notifier.c:391
 call_netdevice_notifiers_info net/core/dev.c:2070 [inline]
 netdev_state_change+0x175/0x230 net/core/dev.c:1461
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1477 [inline]
 free_pcp_prepare mm/page_alloc.c:1549 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3540
 free_unref_page+0xae/0x540 mm/page_alloc.c:3622
 free_the_page mm/page_alloc.c:808 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5905
 __vunmap+0x801/0x980 mm/vmalloc.c:2660
 __vfree mm/vmalloc.c:2709 [inline]
 vfree+0x8b/0xc0 mm/vmalloc.c:2740
 kcov_put kernel/kcov.c:422 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:524
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:896
 do_group_exit+0x149/0x310 kernel/exit.c:1010
 get_signal+0x64f/0x1430 kernel/signal.c:2920
 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:157 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310

Memory state around the buggy address:
 ffff888129104c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888129104c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888129104d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff888129104d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888129104e00: 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 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
Write of size 8 at addr ffff888129104d50 by task syz.2.17/370

CPU: 0 PID: 370 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:169 [inline]
 mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7a26540f19
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffc33cac38 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fffc33cad20 RCX: 00007f7a26540f19
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000000689c R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32c20000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7a267bdfac R14: 00007f7a267bdfa8 R15: 00007f7a267bdfa0
 </TASK>

Allocated by task 370:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616
 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772
 __sys_connect_file net/socket.c:1923 [inline]
 __sys_connect+0x3cb/0x450 net/socket.c:1940
 __do_sys_connect net/socket.c:1950 [inline]
 __se_sys_connect net/socket.c:1947 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:1947
 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43
 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

Freed by task 370:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kfree+0xc4/0x270 mm/slub.c:4588
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193
 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589
 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:439
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x200 net/socket.c:1336
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff888129104c00
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff888129104c00, ffff888129104e00)
The buggy address belongs to the page:
page:ffffea0004a44100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x129104
head:ffffea0004a44100 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 45, ts 26794598658, free_ts 25803473512
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2610
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2616
 get_page_from_freelist+0x2d42/0x2dd0 mm/page_alloc.c:4492
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5829
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc+0x16a/0x2c0 mm/slub.c:4432
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 fib6_info_alloc+0x34/0xe0 net/ipv6/ip6_fib.c:155
 ip6_route_info_create+0x51b/0x14d0 net/ipv6/route.c:3787
 ip6_route_add+0x27/0x130 net/ipv6/route.c:3883
 addrconf_add_mroute net/ipv6/addrconf.c:2543 [inline]
 addrconf_add_dev+0x385/0x4c0 net/ipv6/addrconf.c:2561
 addrconf_dev_config net/ipv6/addrconf.c:3447 [inline]
 addrconf_init_auto_addrs+0x7ae/0xbd0 net/ipv6/addrconf.c:3535
 addrconf_notify+0x95d/0xe00 net/ipv6/addrconf.c:3704
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0x90/0x100 kernel/notifier.c:391
 call_netdevice_notifiers_info net/core/dev.c:2070 [inline]
 netdev_state_change+0x175/0x230 net/core/dev.c:1461
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1477 [inline]
 free_pcp_prepare mm/page_alloc.c:1549 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3540
 free_unref_page+0xae/0x540 mm/page_alloc.c:3622
 free_the_page mm/page_alloc.c:808 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5905
 __vunmap+0x801/0x980 mm/vmalloc.c:2660
 __vfree mm/vmalloc.c:2709 [inline]
 vfree+0x8b/0xc0 mm/vmalloc.c:2740
 kcov_put kernel/kcov.c:422 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:524
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:896
 do_group_exit+0x149/0x310 kernel/exit.c:1010
 get_signal+0x64f/0x1430 kernel/signal.c:2920
 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:157 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310

Memory state around the buggy address:
 ffff888129104c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888129104c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888129104d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff888129104d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888129104e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================