Extracting prog: 1m11.835023259s
Minimizing prog: 22m35.245367356s
Simplifying prog options: 0s
Extracting C: 30.91826177s
Simplifying C: 3m10.12015462s


extracting reproducer from 33 programs
testing a last program of every proc
single: executing 7 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-pipe2$9p-unshare-socket$netlink-ftruncate-write$P9_RVERSION-dup-fcntl$setpipe-pipe2$9p-mount$9p_fd-read$FUSE-ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL-bpf$BPF_LINK_CREATE_XDP-socket-bpf$PROG_LOAD
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
pipe2$9p(&(0x7f0000001900)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff}, 0x0)
unshare(0x20000400)
r2 = socket$netlink(0x10, 0x3, 0x0)
ftruncate(r2, 0x0)
write$P9_RVERSION(r1, 0x0, 0x50)
r3 = dup(r1)
fcntl$setpipe(r0, 0x407, 0x9)
pipe2$9p(&(0x7f0000000040)={<r4=>0xffffffffffffffff}, 0x80000)
mount$9p_fd(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f00000001c0), 0x40, &(0x7f0000000480)={'trans=fd,', {'rfdno', 0x3d, r4}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[], [], 0x6b}})
read$FUSE(r0, &(0x7f0000003140)={0x2020}, 0x2020)
ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r3, 0x89f1, &(0x7f0000000140)={'syztnl1\x00', &(0x7f0000000080)={'ip6gre0\x00', <r5=>0x0, 0xb962ac0965dd0071, 0x6, 0xfd, 0x3, 0x20, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010102}, @empty, 0x10, 0x0, 0x8}})
bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000180)={r3, r5, 0x25, 0x0, @void}, 0x10)
socket(0x1a, 0x3, 0x1)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b400000000000000dd0a0000000000006b01a400000000009500000000000000"], &(0x7f0000003ff6)='GPL\x00', 0x5, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x5c, '\x00', 0x0, @sock_ops, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8}, 0x94)

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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET-getsockname$packet-sendmsg$nl_route-socket$nl_route-sendmsg$nl_route-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$FS_IOC_FSSETXATTR
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
r5 = open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r6 = socket$nl_route(0x10, 0x3, 0x0)
r7 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)
getsockname$packet(r7, &(0x7f0000000180)={0x11, 0x0, <r8=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)
sendmsg$nl_route(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000900)=@newlink={0x38, 0x10, 0x437, 0x70bd27, 0x0, {0x0, 0x0, 0x0, r8, 0x40489, 0x20040}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r8}]}}}]}, 0x38}}, 0x0)
r9 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r9, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000200)=@newlink={0x38, 0x10, 0x439, 0x0, 0x25dfdc01, {0x0, 0x0, 0xe403, r8, 0x0, 0x59000}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}]}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x200080d0)
r10 = userfaultfd(0x1)
ioctl$UFFDIO_API(r10, 0xc018aa3f, &(0x7f0000000040)={0xaa, 0x2d9})
ioctl$UFFDIO_REGISTER(r10, 0xc020aa00, 0x0)
ioctl$FS_IOC_FSSETXATTR(r5, 0x401c5820, &(0x7f00000003c0)={0x5, 0x0, 0xfffffffc, 0xffffffff})

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
single: successfully extracted reproducer
found reproducer with 30 syscalls
minimizing guilty program
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET-getsockname$packet-sendmsg$nl_route-socket$nl_route-sendmsg$nl_route-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r5 = socket$nl_route(0x10, 0x3, 0x0)
r6 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)
getsockname$packet(r6, &(0x7f0000000180)={0x11, 0x0, <r7=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)
sendmsg$nl_route(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000900)=@newlink={0x38, 0x10, 0x437, 0x70bd27, 0x0, {0x0, 0x0, 0x0, r7, 0x40489, 0x20040}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r7}]}}}]}, 0x38}}, 0x0)
r8 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r8, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000200)=@newlink={0x38, 0x10, 0x439, 0x0, 0x25dfdc01, {0x0, 0x0, 0xe403, r7, 0x0, 0x59000}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}]}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x200080d0)
r9 = userfaultfd(0x1)
ioctl$UFFDIO_API(r9, 0xc018aa3f, &(0x7f0000000040)={0xaa, 0x2d9})
ioctl$UFFDIO_REGISTER(r9, 0xc020aa00, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET-getsockname$packet-sendmsg$nl_route-socket$nl_route-sendmsg$nl_route-userfaultfd-ioctl$UFFDIO_API
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r5 = socket$nl_route(0x10, 0x3, 0x0)
r6 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)
getsockname$packet(r6, &(0x7f0000000180)={0x11, 0x0, <r7=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)
sendmsg$nl_route(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000900)=@newlink={0x38, 0x10, 0x437, 0x70bd27, 0x0, {0x0, 0x0, 0x0, r7, 0x40489, 0x20040}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r7}]}}}]}, 0x38}}, 0x0)
r8 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r8, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000200)=@newlink={0x38, 0x10, 0x439, 0x0, 0x25dfdc01, {0x0, 0x0, 0xe403, r7, 0x0, 0x59000}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}]}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x200080d0)
r9 = userfaultfd(0x1)
ioctl$UFFDIO_API(r9, 0xc018aa3f, &(0x7f0000000040)={0xaa, 0x2d9})

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET-getsockname$packet-sendmsg$nl_route-socket$nl_route-sendmsg$nl_route-userfaultfd
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r5 = socket$nl_route(0x10, 0x3, 0x0)
r6 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)
getsockname$packet(r6, &(0x7f0000000180)={0x11, 0x0, <r7=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)
sendmsg$nl_route(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000900)=@newlink={0x38, 0x10, 0x437, 0x70bd27, 0x0, {0x0, 0x0, 0x0, r7, 0x40489, 0x20040}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r7}]}}}]}, 0x38}}, 0x0)
r8 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r8, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000200)=@newlink={0x38, 0x10, 0x439, 0x0, 0x25dfdc01, {0x0, 0x0, 0xe403, r7, 0x0, 0x59000}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}]}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x200080d0)
userfaultfd(0x1)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET-getsockname$packet-sendmsg$nl_route-socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$eJzs3EtsG0UYAOB/HefVBw2lPFpaCJRHBTRp0gc9cAGBxAEkJDgUcQppWpWmDWqCRKsICodyRJW4I45I3JE4wQUBB4TEFe6oUoVyaeG0aO1d10ls5+XGLf4+yc7M7joz/85OdjJjO4CuNZw9JRHbIuKPiNhRzS4+YLj64+bC/OQ/C/OTSaTpm38nleNuLMxPFocWr9tazaRpRH+W7G9Q7pV3Iiamp6cu5PnRuXPvj85evHTwzLmJ01Onp86PHz9+5PC+vmPjRyv70yb1710hvlL+M4vrxp6PZvbufvXtq69Pnrj67s/fZPXdlu+vj2Nd0uU1HK6e3aUezZ6e3FBhd5Rfs6ftdRuScvODRzahQqxeT0SUa/0oiZ4YrO3bEa982sGqAbdZmqZpo/tz1N23U+B/KtG/oUsV9/rs/9/isTkjjzvD9Rcj4mCeWZifvFmLv1ybO+hd8v9tOw1HxInL/36ZPaId8xAAACv4Phv/PNdo/FeKB+qOuydfQxmKiHsjYmdE3BcRuyLi/ojKsQ9GnHtojeUvXSFZPv4pXVtXYKuUjf9eyNe2bi4a/xWjvxjqyXPbK/H3JqfOTE8dys/Jgejtz/JjLcr44eXfPy/SA0v21Y//skdWfjEWzOtxrbxkgu7kxNxEJZGm6ccbCz+ufxKxp9wo/iSKZZwkInZHxJ51lnHmma/3Ntu3cvwttFhnWq30q4inq+1/efH4/1ZTJfXrk4MRUVufHHv+2PjR0YGYnjo0WlwVy/3y25U3mpW/ofjbIGv/LQ2v/9oq8FAyEDF78dLZynrt7NrLuPLnZ3V9etHqchZ/6duINV//fclblXRfvu3Dibm5C2MRfclry7eP33ptkS+Oz+I/sL9x/99ZV+OHIyK7iPdFxCP5Im7Wdo9FxOMRsb9F/D+99MR7zfY1b/9ms/LtdT0/US3bP+rbf+2JnrM/ftes/OF8DTLy89C4/Y9UUgfyLbW/fy2stoLrOmkAAABwlylV3gOflEZq6VJpZKT6Hv5dsaU0PTM79+ypmQ/On6y+V34oekvFTNeOuvnQsXxuuMiPL8kfzueNv+gZrORHJmemT3Y6eOhyW5v0/8xfPZ2uHXDbtWEdDbhL6f/QvfR/6F76P3Qv/R+6V6P+v9EPFgB3B/d/6F6V/v/U5U5XA+gA93/oXvo/dKWmn40vbegj/00TSbt/YcNE8d0Jm1HWyoniuyg2vfTBdb98YOVTF6XOntWuSZSXtUWU21pEf8NdHfyjBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA0Eb/BQAA///i5tKw")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r5 = socket$nl_route(0x10, 0x3, 0x0)
r6 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)
getsockname$packet(r6, &(0x7f0000000180)={0x11, 0x0, <r7=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)
sendmsg$nl_route(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000900)=@newlink={0x38, 0x10, 0x437, 0x70bd27, 0x0, {0x0, 0x0, 0x0, r7, 0x40489, 0x20040}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r7}]}}}]}, 0x38}}, 0x0)
r8 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r8, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000200)=@newlink={0x38, 0x10, 0x439, 0x0, 0x25dfdc01, {0x0, 0x0, 0xe403, r7, 0x0, 0x59000}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_REMOTE={0x8, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}]}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x200080d0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET-getsockname$packet-sendmsg$nl_route-socket$nl_route
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$eJzs3EtsG0UYAOB/HefVBw2lPFpaCJRHBTRp0gc9cAGBxAEkJDgUcQppWpWmDWqCRKsICodyRJW4I45I3JE4wQUBB4TEFe6oUoVyaeG0aO1d10ls5+XGLf4+yc7M7joz/85OdjJjO4CuNZw9JRHbIuKPiNhRzS4+YLj64+bC/OQ/C/OTSaTpm38nleNuLMxPFocWr9tazaRpRH+W7G9Q7pV3Iiamp6cu5PnRuXPvj85evHTwzLmJ01Onp86PHz9+5PC+vmPjRyv70yb1710hvlL+M4vrxp6PZvbufvXtq69Pnrj67s/fZPXdlu+vj2Nd0uU1HK6e3aUezZ6e3FBhd5Rfs6ftdRuScvODRzahQqxeT0SUa/0oiZ4YrO3bEa982sGqAbdZmqZpo/tz1N23U+B/KtG/oUsV9/rs/9/isTkjjzvD9Rcj4mCeWZifvFmLv1ybO+hd8v9tOw1HxInL/36ZPaId8xAAACv4Phv/PNdo/FeKB+qOuydfQxmKiHsjYmdE3BcRuyLi/ojKsQ9GnHtojeUvXSFZPv4pXVtXYKuUjf9eyNe2bi4a/xWjvxjqyXPbK/H3JqfOTE8dys/Jgejtz/JjLcr44eXfPy/SA0v21Y//skdWfjEWzOtxrbxkgu7kxNxEJZGm6ccbCz+ufxKxp9wo/iSKZZwkInZHxJ51lnHmma/3Ntu3cvwttFhnWq30q4inq+1/efH4/1ZTJfXrk4MRUVufHHv+2PjR0YGYnjo0WlwVy/3y25U3mpW/ofjbIGv/LQ2v/9oq8FAyEDF78dLZynrt7NrLuPLnZ3V9etHqchZ/6duINV//fclblXRfvu3Dibm5C2MRfclry7eP33ptkS+Oz+I/sL9x/99ZV+OHIyK7iPdFxCP5Im7Wdo9FxOMRsb9F/D+99MR7zfY1b/9ms/LtdT0/US3bP+rbf+2JnrM/ftes/OF8DTLy89C4/Y9UUgfyLbW/fy2stoLrOmkAAABwlylV3gOflEZq6VJpZKT6Hv5dsaU0PTM79+ypmQ/On6y+V34oekvFTNeOuvnQsXxuuMiPL8kfzueNv+gZrORHJmemT3Y6eOhyW5v0/8xfPZ2uHXDbtWEdDbhL6f/QvfR/6F76P3Qv/R+6V6P+v9EPFgB3B/d/6F6V/v/U5U5XA+gA93/oXvo/dKWmn40vbegj/00TSbt/YcNE8d0Jm1HWyoniuyg2vfTBdb98YOVTF6XOntWuSZSXtUWU21pEf8NdHfyjBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA0Eb/BQAA///i5tKw")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r5 = socket$nl_route(0x10, 0x3, 0x0)
r6 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)
getsockname$packet(r6, &(0x7f0000000180)={0x11, 0x0, <r7=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)
sendmsg$nl_route(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000900)=@newlink={0x38, 0x10, 0x437, 0x70bd27, 0x0, {0x0, 0x0, 0x0, r7, 0x40489, 0x20040}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r7}]}}}]}, 0x38}}, 0x0)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET-getsockname$packet-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r5 = socket$nl_route(0x10, 0x3, 0x0)
r6 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)
getsockname$packet(r6, &(0x7f0000000180)={0x11, 0x0, <r7=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)
sendmsg$nl_route(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000900)=@newlink={0x38, 0x10, 0x437, 0x70bd27, 0x0, {0x0, 0x0, 0x0, r7, 0x40489, 0x20040}, [@IFLA_LINKINFO={0x18, 0x12, 0x0, 0x1, @sit={{0x8}, {0xc, 0x2, 0x0, 0x1, [@IFLA_IPTUN_LINK={0x8, 0x1, r7}]}}}]}, 0x38}}, 0x0)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET-getsockname$packet
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
socket$nl_route(0x10, 0x3, 0x0)
r5 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)
getsockname$packet(r5, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket-sendmsg$SMC_PNETID_GET
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
socket$nl_route(0x10, 0x3, 0x0)
r5 = socket(0x10, 0x803, 0x0)
sendmsg$SMC_PNETID_GET(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000001c0)={0x0, 0x14}}, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route-socket
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
socket$nl_route(0x10, 0x3, 0x0)
socket(0x10, 0x803, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root-socket$nl_route
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$eJzs3EtsG0UYAOB/HefVBw2lPFpaCJRHBTRp0gc9cAGBxAEkJDgUcQppWpWmDWqCRKsICodyRJW4I45I3JE4wQUBB4TEFe6oUoVyaeG0aO1d10ls5+XGLf4+yc7M7joz/85OdjJjO4CuNZw9JRHbIuKPiNhRzS4+YLj64+bC/OQ/C/OTSaTpm38nleNuLMxPFocWr9tazaRpRH+W7G9Q7pV3Iiamp6cu5PnRuXPvj85evHTwzLmJ01Onp86PHz9+5PC+vmPjRyv70yb1710hvlL+M4vrxp6PZvbufvXtq69Pnrj67s/fZPXdlu+vj2Nd0uU1HK6e3aUezZ6e3FBhd5Rfs6ftdRuScvODRzahQqxeT0SUa/0oiZ4YrO3bEa982sGqAbdZmqZpo/tz1N23U+B/KtG/oUsV9/rs/9/isTkjjzvD9Rcj4mCeWZifvFmLv1ybO+hd8v9tOw1HxInL/36ZPaId8xAAACv4Phv/PNdo/FeKB+qOuydfQxmKiHsjYmdE3BcRuyLi/ojKsQ9GnHtojeUvXSFZPv4pXVtXYKuUjf9eyNe2bi4a/xWjvxjqyXPbK/H3JqfOTE8dys/Jgejtz/JjLcr44eXfPy/SA0v21Y//skdWfjEWzOtxrbxkgu7kxNxEJZGm6ccbCz+ufxKxp9wo/iSKZZwkInZHxJ51lnHmma/3Ntu3cvwttFhnWq30q4inq+1/efH4/1ZTJfXrk4MRUVufHHv+2PjR0YGYnjo0WlwVy/3y25U3mpW/ofjbIGv/LQ2v/9oq8FAyEDF78dLZynrt7NrLuPLnZ3V9etHqchZ/6duINV//fclblXRfvu3Dibm5C2MRfclry7eP33ptkS+Oz+I/sL9x/99ZV+OHIyK7iPdFxCP5Im7Wdo9FxOMRsb9F/D+99MR7zfY1b/9ms/LtdT0/US3bP+rbf+2JnrM/ftes/OF8DTLy89C4/Y9UUgfyLbW/fy2stoLrOmkAAABwlylV3gOflEZq6VJpZKT6Hv5dsaU0PTM79+ypmQ/On6y+V34oekvFTNeOuvnQsXxuuMiPL8kfzueNv+gZrORHJmemT3Y6eOhyW5v0/8xfPZ2uHXDbtWEdDbhL6f/QvfR/6F76P3Qv/R+6V6P+v9EPFgB3B/d/6F6V/v/U5U5XA+gA93/oXvo/dKWmn40vbegj/00TSbt/YcNE8d0Jm1HWyoniuyg2vfTBdb98YOVTF6XOntWuSZSXtUWU21pEf8NdHfyjBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA0Eb/BQAA///i5tKw")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT-mkdirat$cgroup_root
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$eJzs3EFrE08Yx/Hn37RNmtImfxBBQX3Qi16WNr4ADdKCGFBqU9SDsLUbDVmTshsiEbG5iFdfR/HoTVDfQC/ixbu3IgheehBXupttk5rWbU2a2H4/UGa2M7/OLN2WZwud9TuvHpcKrlEwqzKUUBkSaciGSHqz1/Rfsx3y+6PSqiGXxr9/PnP77r0b2VxuZk51Njt/OaOqk+fePXn2+vyH6vjCm8m3cVlL31//lvmydnLt1PrP+UdFV4uulitVNXWxUqmai7alS0W3ZKjesi3TtbRYdi2nbbxgV5aX62qWlyaSy47lumqW61qy6lqtaNWpq/nQLJbVMAydSMrxNhxhTn51bs7M7jrsxbq6I3RfvP1yrNMcx8k2Og/mV3u1LwAAMLj2rv+DWn/3+j+3ELRdrv9FqP97pNF29Yf6H0eC42TNZPPntx31PwAAAAAAAAAAAAAAAAAAAAAA/4INz0t5npcK2/AjLiIJEQmv+71P9MYBv/9X+rRddFnLP+4lROyXtXwtH7TBeLYgRbHFkilJyQ//eWgK+rPXczNT6htpfsnN/EotH/PPJvDzoXSn/Nn/p4O8yvvNXK2ZH5Fk6/oZScmJzutntvPhcQgrtfyoXLzQkjckJR8fSEVsWfKf6+3882nVazdzO9Yf8+ftJsrpGgAAAAAADApDt6Tb33+Dsx8Nf0JCfh8P8vv4+8CO9+thOc1LNAAAAAAAh8KtPy2Ztm05B+jEReQv4ke1E5OB2MaOzlUROfRFRaTRn1tOiEjwGT1I/OtWPFLKizBnWEQG4kmI2On3byYAAAAA3bZd9O8j9OlFD3cEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDxE/U8sHB+yVuRtvPtwoE94i3LxQ79BgEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAB8isAAP//0KwZYw==")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect-ioctl$F2FS_IOC_DEFRAGMENT
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)
ioctl$F2FS_IOC_DEFRAGMENT(r4, 0xc010f508, &(0x7f00000002c0)={0x8000, 0x8000})

program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat-mprotect
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")
mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4-syz_mount_image$vfat
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")
syz_mount_image$vfat(&(0x7f0000000400), &(0x7f0000000280)='./file1\x00', 0x2008000, &(0x7f0000000000)=ANY=[@ANYBLOB="6e6f6e756d7461696c2c6e66732c73686f72746e616d653d6c6f7765722c757466383d312c64656275672c696f636861727365743d757466382c73686f72746e616d653d6d697865642c757466383d312c004845160000000000"], 0x1, 0x2bc, &(0x7f0000000440)="$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")

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open-syz_mount_image$ext4
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)
syz_mount_image$ext4(&(0x7f0000000080)='ext2\x00', &(0x7f0000000480)='./file0\x00', 0x8080, &(0x7f0000000200)={[{@norecovery}, {@sb={'sb', 0x3d, 0x401}}, {@sysvgroups}, {@lazytime}]}, 0xee, 0x49b, &(0x7f0000000a40)="$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")

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID-open
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)
open(&(0x7f0000000080)='./bus\x00', 0x14b145, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040), 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
syz_emit_ethernet(0x36, &(0x7f0000000340)={@local, @random="b0cb42034175", @void, {@ipv4={0x800, @generic={{0x5, 0x4, 0x1, 0x0, 0x28, 0x0, 0x0, 0x0, 0x4, 0x0, @rand_addr=0x64010102, @local}, "fbe308f429b2d1749eddb7f6a4aa3a944f429df3"}}}}, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-socket$packet-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
socket$packet(0x11, 0x3, 0x300)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-syz_open_procfs-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
syz_open_procfs(0x0, 0x0)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r4=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r4, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-flistxattr-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
r3 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
flistxattr(r3, 0x0, 0xffffffffffffffb1)
ioctl$EXT4_IOC_GETFSUUID(0xffffffffffffffff, 0x8008662c, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000001c0)=[{0x6, 0xf8, 0x1, 0x7fff0003}]})
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r3=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r3, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r3=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r3, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r3=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r3, 0x8008662c, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-socket$inet6_udp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r1=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r1, 0x8008662c, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$pppl2tp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r1, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r2=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r2, 0x8008662c, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$inet6-setsockopt$inet6_int-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x3, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x3a, 0x0, 0x0)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r2=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r2, 0x8008662c, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$inet6-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
socket$inet6(0xa, 0x3, 0x0)
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r2=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r2, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r2=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r2, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, 0x0, 0x0)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r1=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r1, 0x8008662c, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r2=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r2, 0x8008662c, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(0x0, 0x0)
ioctl$EXT4_IOC_GETFSUUID(0xffffffffffffffff, 0x8008662c, 0x0)

program did not crash
testing program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(0xffffffffffffffff, 0x8008662c, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
program crashed: KASAN: use-after-free Write in pppol2tp_release
simplifying C reproducer
testing compiled C program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=33.69965284s, {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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=33.69965284s, {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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=33.69965284s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing compiled C program (duration=33.69965284s, {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: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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session
testing program (duration=33.69965284s, {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: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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r2=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r2, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
testing program (duration=33.69965284s, {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: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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r2=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r2, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Write in corrupted
validation run: crashed=true
testing program (duration=33.69965284s, {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: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$pppl2tp-sendfile-syz_clone3-ioctl$EXT4_IOC_GETFSUUID
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x8, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, &(0x7f0000000040)=<r2=>0xffffffffffffffff, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
ioctl$EXT4_IOC_GETFSUUID(r2, 0x8008662c, 0x0)

program crashed: KASAN: use-after-free Write in pppol2tp_release
validation run: crashed=true
reproducing took 29m17.647573419s
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 atomic64_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:1515 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:443 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:173 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x85/0xf0 kernel/locking/mutex.c:298
Write of size 8 at addr ffff88810fc9d550 by task syz.2.17/368

CPU: 1 PID: 368 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 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]
 atomic64_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:1515 [inline]
 atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:443 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:173 [inline]
 mutex_lock+0x85/0xf0 kernel/locking/mutex.c:298
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442
 __sock_release net/socket.c:597 [inline]
 sock_close+0xb8/0x200 net/socket.c:1287
 __fput+0x2dc/0x730 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa7c/0x24e0 kernel/exit.c:873
 do_group_exit+0x149/0x310 kernel/exit.c:987
 get_signal+0xfb1/0x1300 kernel/signal.c:2794
 arch_do_signal_or_restart+0xe7/0x11b0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f8df7ebe197
Code: Unable to access opcode bytes at RIP 0x7f8df7ebe16d.
RSP: 002b:00007ffc0d443780 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 000055557273c500 RCX: 00007f8df7ebe197
RDX: 00007ffc0d4437c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f8df7f9a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007f8df818afac R14: 00007f8df818afa0 R15: 00007f8df818afa0

Allocated by task 367:
 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:430 [inline]
 ____kasan_kmalloc mm/kasan/common.c:509 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x19f/0x330 mm/slub.c:4038
 kmalloc include/linux/slab.h:560 [inline]
 kzalloc include/linux/slab.h:667 [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:1867 [inline]
 __sys_connect+0x3ce/0x450 net/socket.c:1884
 __do_sys_connect net/socket.c:1894 [inline]
 __se_sys_connect net/socket.c:1891 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:1891
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Freed by task 368:
 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:362
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
 kasan_slab_free include/linux/kasan.h:220 [inline]
 slab_free_hook mm/slub.c:1600 [inline]
 slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626
 slab_free mm/slub.c:3208 [inline]
 kfree+0xc0/0x270 mm/slub.c:4196
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xb2/0x1a0 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:597 [inline]
 sock_close+0xb8/0x200 net/socket.c:1287
 __fput+0x2dc/0x730 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa7c/0x24e0 kernel/exit.c:873
 do_group_exit+0x149/0x310 kernel/exit.c:987
 get_signal+0xfb1/0x1300 kernel/signal.c:2794
 arch_do_signal_or_restart+0xe7/0x11b0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff88810fc9d400
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff88810fc9d400, ffff88810fc9d600)
The buggy address belongs to the page:
page:ffffea00043f2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10fc9c
head:ffffea00043f2700 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 0000000000000000 0000000100000001 ffff888100043080
raw: 0000000000000000 0000000000100010 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 96, ts 4196710303, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 __kmalloc_track_caller+0x1e4/0x310 mm/slub.c:4541
 __kmalloc_reserve net/core/skbuff.c:144 [inline]
 __alloc_skb+0xdc/0x520 net/core/skbuff.c:212
 alloc_skb include/linux/skbuff.h:1126 [inline]
 alloc_uevent_skb+0x85/0x240 lib/kobject_uevent.c:290
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x335/0x5a0 lib/kobject_uevent.c:409
 kobject_uevent_env+0x52b/0x700 lib/kobject_uevent.c:608
 kobject_synth_uevent+0x452/0x940 lib/kobject_uevent.c:208
 store_uevent+0x16/0x30 kernel/module.c:1233
 module_attr_store+0x5f/0x80 kernel/params.c:921
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:139
 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810fc9d400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810fc9d480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88810fc9d500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff88810fc9d580: fb fb fb fb f

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 atomic64_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:1515 [inline]
BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:443 [inline]
BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:173 [inline]
BUG: KASAN: use-after-free in mutex_lock+0x85/0xf0 kernel/locking/mutex.c:298
Write of size 8 at addr ffff88810fc9d550 by task syz.2.17/368

CPU: 1 PID: 368 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 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]
 atomic64_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:1515 [inline]
 atomic_long_try_cmpxchg_acquire include/asm-generic/atomic-long.h:443 [inline]
 __mutex_trylock_fast kernel/locking/mutex.c:173 [inline]
 mutex_lock+0x85/0xf0 kernel/locking/mutex.c:298
 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442
 __sock_release net/socket.c:597 [inline]
 sock_close+0xb8/0x200 net/socket.c:1287
 __fput+0x2dc/0x730 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa7c/0x24e0 kernel/exit.c:873
 do_group_exit+0x149/0x310 kernel/exit.c:987
 get_signal+0xfb1/0x1300 kernel/signal.c:2794
 arch_do_signal_or_restart+0xe7/0x11b0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f8df7ebe197
Code: Unable to access opcode bytes at RIP 0x7f8df7ebe16d.
RSP: 002b:00007ffc0d443780 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 000055557273c500 RCX: 00007f8df7ebe197
RDX: 00007ffc0d4437c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f8df7f9a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007f8df818afac R14: 00007f8df818afa0 R15: 00007f8df818afa0

Allocated by task 367:
 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:430 [inline]
 ____kasan_kmalloc mm/kasan/common.c:509 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x19f/0x330 mm/slub.c:4038
 kmalloc include/linux/slab.h:560 [inline]
 kzalloc include/linux/slab.h:667 [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:1867 [inline]
 __sys_connect+0x3ce/0x450 net/socket.c:1884
 __do_sys_connect net/socket.c:1894 [inline]
 __se_sys_connect net/socket.c:1891 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:1891
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Freed by task 368:
 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:362
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
 kasan_slab_free include/linux/kasan.h:220 [inline]
 slab_free_hook mm/slub.c:1600 [inline]
 slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626
 slab_free mm/slub.c:3208 [inline]
 kfree+0xc0/0x270 mm/slub.c:4196
 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline]
 l2tp_session_put+0xb2/0x1a0 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:597 [inline]
 sock_close+0xb8/0x200 net/socket.c:1287
 __fput+0x2dc/0x730 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa7c/0x24e0 kernel/exit.c:873
 do_group_exit+0x149/0x310 kernel/exit.c:987
 get_signal+0xfb1/0x1300 kernel/signal.c:2794
 arch_do_signal_or_restart+0xe7/0x11b0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169
 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff88810fc9d400
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 336 bytes inside of
 512-byte region [ffff88810fc9d400, ffff88810fc9d600)
The buggy address belongs to the page:
page:ffffea00043f2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10fc9c
head:ffffea00043f2700 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 0000000000000000 0000000100000001 ffff888100043080
raw: 0000000000000000 0000000000100010 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 96, ts 4196710303, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 __kmalloc_track_caller+0x1e4/0x310 mm/slub.c:4541
 __kmalloc_reserve net/core/skbuff.c:144 [inline]
 __alloc_skb+0xdc/0x520 net/core/skbuff.c:212
 alloc_skb include/linux/skbuff.h:1126 [inline]
 alloc_uevent_skb+0x85/0x240 lib/kobject_uevent.c:290
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x335/0x5a0 lib/kobject_uevent.c:409
 kobject_uevent_env+0x52b/0x700 lib/kobject_uevent.c:608
 kobject_synth_uevent+0x452/0x940 lib/kobject_uevent.c:208
 store_uevent+0x16/0x30 kernel/module.c:1233
 module_attr_store+0x5f/0x80 kernel/params.c:921
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:139
 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810fc9d400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88810fc9d480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88810fc9d500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff88810fc9d580: fb fb fb fb f