Extracting prog: 1m23.039539651s
Minimizing prog: 19m10.636355445s
Simplifying prog options: 0s
Extracting C: 40.909484431s
Simplifying C: 9m25.789160363s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
unshare(0x62040200)
r4 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r3, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r4], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD-unshare-gettid-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r2=>0x0})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r2, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD-unshare-gettid-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00'})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
unshare(0x62040200)
gettid()
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD-unshare-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
unshare(0x62040200)
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r3, @ANYBLOB="6d3082610000000008001300", @ANYRES32], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
bpf$PROG_LOAD(0x5, 0x0, 0x0)
r4 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r3, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r4], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
unshare(0x62040200)
r4 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r3, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r4], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r2=>0x0})
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r2, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$netlink-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r2=>0x0})
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r2, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000140)='kmem_cache_free\x00'}, 0x18)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r0=>0x0})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r2=>0x0})
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r2, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r0], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
unshare(0x62040200)
r4 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r3, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r4], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
unshare(0x62040200)
r4 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r3, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r4], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r2=>0x0})
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r2, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, 0x0)
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$eJzs3DFoJFUcBvBvZnc9c7fIqY0gqCAiGghnJ9icjcKJHIeIoMKJiI1yEWKCXWJlY6G1SiqbIHZGS0kTbBTBKmqK2AgaLAwWiqzMTiJJXGNgkx3J/H4wuzM78+b/htnv7TbzArTWxSSXk3SSTCfpJSn2H3BPvVzc3VyeWr+eDAZP/VIMj6u3a3vtLiRZSvJwkrWyyCvdZGH1ua3fNh6//+353n0frj47NdGL3LW9tfnkzgdX3/rkykMLX33z09Uil9M/cF0nrxjxWbdIbjuNYv8TRbfpHnAc1974+Nsq97cnuXeY/17K1Dfvnbmb1np58P1/a/vuz1/fOcm+AidvMOhVv4FLA6B1yiT9FOVMknq9LGdm6v/w33XOl6/Ozr0+/fLs/I2Xmh6pgJPSTzYf++zcpxcO5f/HTp1/4Cx54sBWlf+nr618X63vdJrqE9CEKv/TLyw+EPmH1pF/aC/5h/aSf2gv+Yf2kn9oL/mH9pJ/aC/5h7PtxSP2HSP/5Wn1C2jW/vwDAO0yONf0E8hAU5oefwAAAAAAAAAAAAAAAAAAgH9anlq/vrdMquYX7yXbjybpjqrf2Z2A7Obh6/lfi+qwvxV1s7E8f/eYJxjTRw0/fX3LD83W//KuZusv3kiW3kxyqds99P37c5Bi7Anwbv2P/b2jJuibgEeeabb+HyvN1r+ykXxejT+XRo0/Ze4Yvo8ef/rV/Ruz/mu/j3kCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJuavAAAA///41m/U")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00'})
unshare(0x62040200)
gettid()
sendmsg$nl_route(r2, 0x0, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00'})
unshare(0x62040200)
gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, 0x0}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00'})
unshare(0x62040200)
gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00'})
unshare(0x62040200)
gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
unshare(0x62040200)
r4 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r3, @ANYBLOB, @ANYRES32=r4], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
unshare(0x62040200)
r4 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB, @ANYRES32=r3, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r4], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$eJzs3DFoJFUcBvBvZnc9c7fIqY0gqCAiGghnJ9icjcKJHIeIoMKJiI1yEWKCXWJlY6G1SiqbIHZGS0kTbBTBKmqK2AgaLAwWiqzMTiJJXGNgkx3J/H4wuzM78+b/htnv7TbzArTWxSSXk3SSTCfpJSn2H3BPvVzc3VyeWr+eDAZP/VIMj6u3a3vtLiRZSvJwkrWyyCvdZGH1ua3fNh6//+353n0frj47NdGL3LW9tfnkzgdX3/rkykMLX33z09Uil9M/cF0nrxjxWbdIbjuNYv8TRbfpHnAc1974+Nsq97cnuXeY/17K1Dfvnbmb1np58P1/a/vuz1/fOcm+AidvMOhVv4FLA6B1yiT9FOVMknq9LGdm6v/w33XOl6/Ozr0+/fLs/I2Xmh6pgJPSTzYf++zcpxcO5f/HTp1/4Cx54sBWlf+nr618X63vdJrqE9CEKv/TLyw+EPmH1pF/aC/5h/aSf2gv+Yf2kn9oL/mH9pJ/aC/5h7PtxSP2HSP/5Wn1C2jW/vwDAO0yONf0E8hAU5oefwAAAAAAAAAAAAAAAAAAgH9anlq/vrdMquYX7yXbjybpjqrf2Z2A7Obh6/lfi+qwvxV1s7E8f/eYJxjTRw0/fX3LD83W//KuZusv3kiW3kxyqds99P37c5Bi7Anwbv2P/b2jJuibgEeeabb+HyvN1r+ykXxejT+XRo0/Ze4Yvo8ef/rV/Ruz/mu/j3kCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJuavAAAA///41m/U")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r2=>0x0})
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r2, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(r0, 0x0, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r2=>0x0})
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r2, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, 0x0}, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r2=>0x0})
unshare(0x62040200)
r3 = gettid()
sendmsg$nl_route(r1, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r2, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r3], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x28}}, 0x0)

program did not crash
testing program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000240)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x840, &(0x7f0000000d40)={[{@test_dummy_encryption}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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")
r0 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000001c0)={'veth0_vlan\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'vlan0\x00', <r3=>0x0})
unshare(0x62040200)
r4 = gettid()
sendmsg$nl_route(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB="2800000010000100"/20, @ANYRES32=r3, @ANYBLOB="6d3082610000000008001300", @ANYRES32=r4], 0x28}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000005f00)=ANY=[@ANYBLOB, @ANYRES32=r1], 0x28}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
simplifying C reproducer
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program did not crash
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program did not crash
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program did not crash
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program did not crash
testing compiled C program (duration=38.265733369s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$netlink-ioctl$sock_SIOCGIFINDEX-unshare-gettid-sendmsg$nl_route-sendmsg$nl_route
program crashed: KASAN: use-after-free Read in vlan_dev_get_iflink
reproducing took 30m40.37456359s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in vlan_dev_get_iflink+0x6d/0x70 net/8021q/vlan_dev.c:757
Read of size 4 at addr ffff8881081b2100 by task kworker/u4:2/49

CPU: 0 PID: 49 Comm: kworker/u4:2 Not tainted 5.10.238-syzkaller-00282-gd76d4cd0623a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x169/0x1d8 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+0xe2/0x130 mm/kasan/report.c:452
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 vlan_dev_get_iflink+0x6d/0x70 net/8021q/vlan_dev.c:757
 dev_get_iflink+0x70/0xc0 net/core/dev.c:824
 default_operstate net/core/link_watch.c:41 [inline]
 rfc2863_policy+0x124/0x2b0 net/core/link_watch.c:53
 linkwatch_do_dev+0x3b/0x140 net/core/link_watch.c:160
 linkwatch_forget_dev+0x170/0x180 net/core/link_watch.c:238
 netdev_wait_allrefs net/core/dev.c:10215 [inline]
 netdev_run_todo+0x2bb/0xd20 net/core/dev.c:10331
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:112
 default_device_exit_batch+0x335/0x390 net/core/dev.c:11288
 ops_exit_list net/core/net_namespace.c:190 [inline]
 cleanup_net+0x5fb/0xb70 net/core/net_namespace.c:609
 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301
 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447
 kthread+0x346/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

Allocated by task 277:
 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+0xda/0x110 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x1a7/0x330 mm/slub.c:4033
 __kmalloc_node include/linux/slab.h:418 [inline]
 kmalloc_node include/linux/slab.h:575 [inline]
 kvmalloc_node+0x88/0x130 mm/util.c:612
 kvmalloc include/linux/mm.h:822 [inline]
 kvzalloc include/linux/mm.h:830 [inline]
 alloc_netdev_mqs+0x88/0xc80 net/core/dev.c:10527
 rtnl_create_link+0x242/0x930 net/core/rtnetlink.c:3195
 __rtnl_newlink net/core/rtnetlink.c:3472 [inline]
 rtnl_newlink+0x105e/0x1640 net/core/rtnetlink.c:3530
 rtnetlink_rcv_msg+0x9db/0xb90 net/core/rtnetlink.c:5610
 netlink_rcv_skb+0x1e0/0x430 net/netlink/af_netlink.c:2485
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5628
 netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline]
 netlink_unicast+0x87c/0xa40 net/netlink/af_netlink.c:1333
 netlink_sendmsg+0x88d/0xb30 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 __sys_sendto+0x41d/0x580 net/socket.c:2006
 __do_sys_sendto net/socket.c:2018 [inline]
 __se_sys_sendto net/socket.c:2014 [inline]
 __x64_sys_sendto+0xe5/0x100 net/socket.c:2014
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Freed by task 49:
 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:1595 [inline]
 slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1621
 slab_free mm/slub.c:3203 [inline]
 kfree+0xc0/0x270 mm/slub.c:4191
 kvfree+0x35/0x40 mm/util.c:647
 netdev_freemem+0x3f/0x60 net/core/dev.c:10481
 netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1886
 device_release+0x96/0x1c0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:713 [inline]
 kobject_release lib/kobject.c:744 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x18a/0x270 lib/kobject.c:761
 netdev_run_todo+0xb99/0xd20 net/core/dev.c:10352
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:112
 default_device_exit_batch+0x335/0x390 net/core/dev.c:11288
 ops_exit_list net/core/net_namespace.c:190 [inline]
 cleanup_net+0x5fb/0xb70 net/core/net_namespace.c:609
 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301
 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447
 kthread+0x346/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

The buggy address belongs to the object at ffff8881081b2000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 256 bytes inside of
 4096-byte region [ffff8881081b2000, ffff8881081b3000)
The buggy address belongs to the page:
page:ffffea0004206c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1081b0
head:ffffea0004206c00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042c00
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, ts 1098461562, 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+0x179/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5357
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1808 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1869
 new_slab_objects mm/slub.c:2627 [inline]
 ___slab_alloc+0x2a6/0x450 mm/slub.c:2791
 __slab_alloc+0x63/0xa0 mm/slub.c:2831
 slab_alloc_node mm/slub.c:2913 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc_trace+0x1b3/0x2e0 mm/slub.c:2972
 kmalloc include/linux/slab.h:552 [inline]
 kzalloc include/linux/slab.h:664 [inline]
 kobject_uevent_env+0x272/0x700 lib/kobject_uevent.c:539
 kobject_uevent+0x1d/0x30 lib/kobject_uevent.c:657
 device_add+0x7bb/0xbf0 drivers/base/core.c:3254
 device_register+0x1d/0x20 drivers/base/core.c:3346
 register_memory drivers/base/memory.c:556 [inline]
 init_memory_block+0x20e/0x360 drivers/base/memory.c:587
 add_memory_block drivers/base/memory.c:604 [inline]
 memory_dev_init+0x264/0x335 drivers/base/memory.c:740
 driver_init+0x3b/0x42 drivers/base/init.c:36
 do_basic_setup+0x18/0x8f init/main.c:1302
 kernel_init_freeable+0x287/0x3be init/main.c:1510
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8881081b2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881081b2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881081b2100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff8881081b2180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881081b2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in vlan_dev_get_iflink+0x6d/0x70 net/8021q/vlan_dev.c:757
Read of size 4 at addr ffff8881081b2100 by task kworker/u4:2/49

CPU: 0 PID: 49 Comm: kworker/u4:2 Not tainted 5.10.238-syzkaller-00282-gd76d4cd0623a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x169/0x1d8 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+0xe2/0x130 mm/kasan/report.c:452
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 vlan_dev_get_iflink+0x6d/0x70 net/8021q/vlan_dev.c:757
 dev_get_iflink+0x70/0xc0 net/core/dev.c:824
 default_operstate net/core/link_watch.c:41 [inline]
 rfc2863_policy+0x124/0x2b0 net/core/link_watch.c:53
 linkwatch_do_dev+0x3b/0x140 net/core/link_watch.c:160
 linkwatch_forget_dev+0x170/0x180 net/core/link_watch.c:238
 netdev_wait_allrefs net/core/dev.c:10215 [inline]
 netdev_run_todo+0x2bb/0xd20 net/core/dev.c:10331
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:112
 default_device_exit_batch+0x335/0x390 net/core/dev.c:11288
 ops_exit_list net/core/net_namespace.c:190 [inline]
 cleanup_net+0x5fb/0xb70 net/core/net_namespace.c:609
 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301
 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447
 kthread+0x346/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

Allocated by task 277:
 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+0xda/0x110 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x1a7/0x330 mm/slub.c:4033
 __kmalloc_node include/linux/slab.h:418 [inline]
 kmalloc_node include/linux/slab.h:575 [inline]
 kvmalloc_node+0x88/0x130 mm/util.c:612
 kvmalloc include/linux/mm.h:822 [inline]
 kvzalloc include/linux/mm.h:830 [inline]
 alloc_netdev_mqs+0x88/0xc80 net/core/dev.c:10527
 rtnl_create_link+0x242/0x930 net/core/rtnetlink.c:3195
 __rtnl_newlink net/core/rtnetlink.c:3472 [inline]
 rtnl_newlink+0x105e/0x1640 net/core/rtnetlink.c:3530
 rtnetlink_rcv_msg+0x9db/0xb90 net/core/rtnetlink.c:5610
 netlink_rcv_skb+0x1e0/0x430 net/netlink/af_netlink.c:2485
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5628
 netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline]
 netlink_unicast+0x87c/0xa40 net/netlink/af_netlink.c:1333
 netlink_sendmsg+0x88d/0xb30 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 __sys_sendto+0x41d/0x580 net/socket.c:2006
 __do_sys_sendto net/socket.c:2018 [inline]
 __se_sys_sendto net/socket.c:2014 [inline]
 __x64_sys_sendto+0xe5/0x100 net/socket.c:2014
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Freed by task 49:
 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:1595 [inline]
 slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1621
 slab_free mm/slub.c:3203 [inline]
 kfree+0xc0/0x270 mm/slub.c:4191
 kvfree+0x35/0x40 mm/util.c:647
 netdev_freemem+0x3f/0x60 net/core/dev.c:10481
 netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1886
 device_release+0x96/0x1c0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:713 [inline]
 kobject_release lib/kobject.c:744 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x18a/0x270 lib/kobject.c:761
 netdev_run_todo+0xb99/0xd20 net/core/dev.c:10352
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:112
 default_device_exit_batch+0x335/0x390 net/core/dev.c:11288
 ops_exit_list net/core/net_namespace.c:190 [inline]
 cleanup_net+0x5fb/0xb70 net/core/net_namespace.c:609
 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301
 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447
 kthread+0x346/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

The buggy address belongs to the object at ffff8881081b2000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 256 bytes inside of
 4096-byte region [ffff8881081b2000, ffff8881081b3000)
The buggy address belongs to the page:
page:ffffea0004206c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1081b0
head:ffffea0004206c00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042c00
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, ts 1098461562, 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+0x179/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5357
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1808 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1869
 new_slab_objects mm/slub.c:2627 [inline]
 ___slab_alloc+0x2a6/0x450 mm/slub.c:2791
 __slab_alloc+0x63/0xa0 mm/slub.c:2831
 slab_alloc_node mm/slub.c:2913 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc_trace+0x1b3/0x2e0 mm/slub.c:2972
 kmalloc include/linux/slab.h:552 [inline]
 kzalloc include/linux/slab.h:664 [inline]
 kobject_uevent_env+0x272/0x700 lib/kobject_uevent.c:539
 kobject_uevent+0x1d/0x30 lib/kobject_uevent.c:657
 device_add+0x7bb/0xbf0 drivers/base/core.c:3254
 device_register+0x1d/0x20 drivers/base/core.c:3346
 register_memory drivers/base/memory.c:556 [inline]
 init_memory_block+0x20e/0x360 drivers/base/memory.c:587
 add_memory_block drivers/base/memory.c:604 [inline]
 memory_dev_init+0x264/0x335 drivers/base/memory.c:740
 driver_init+0x3b/0x42 drivers/base/init.c:36
 do_basic_setup+0x18/0x8f init/main.c:1302
 kernel_init_freeable+0x287/0x3be init/main.c:1510
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8881081b2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881081b2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881081b2100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff8881081b2180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881081b2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================