Extracting prog: 2m12.215130604s
Minimizing prog: 20m12.244042776s
Simplifying prog options: 0s
Extracting C: 1m12.685102842s
Simplifying C: 10m53.473880704s


extracting reproducer from 51 programs
first checking the prog from the crash report
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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-syz_init_net_socket$x25-syz_init_net_socket$x25-bind$x25-socket$nl_route-syz_init_net_socket$netrom-ioctl$sock_inet_SIOCSIFFLAGS
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@bloom_filter={0x1e, 0x865b, 0x2, 0x8, 0xa00e, 0xffffffffffffffff, 0x6, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1, 0xe, @value=r0, @void, @void, @value}, 0x50)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000600)={&(0x7f0000000000)='jbd2_submit_inode_data\x00'}, 0x18)
r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0)
syz_init_net_socket$x25(0x9, 0x5, 0x0)
bind$x25(r1, &(0x7f0000000080), 0x12)
socket$nl_route(0x10, 0x3, 0x0)
r2 = syz_init_net_socket$netrom(0x6, 0x5, 0x0)
ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f0000000700)={'bond0\x00'})

program crashed: WARNING in ip6mr_free_table
single: successfully extracted reproducer
found reproducer with 15 syscalls
minimizing guilty program
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-syz_init_net_socket$x25-syz_init_net_socket$x25-bind$x25-socket$nl_route-syz_init_net_socket$netrom
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@bloom_filter={0x1e, 0x865b, 0x2, 0x8, 0xa00e, 0xffffffffffffffff, 0x6, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1, 0xe, @value=r0, @void, @void, @value}, 0x50)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000600)={&(0x7f0000000000)='jbd2_submit_inode_data\x00'}, 0x18)
r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0)
syz_init_net_socket$x25(0x9, 0x5, 0x0)
bind$x25(r1, &(0x7f0000000080), 0x12)
socket$nl_route(0x10, 0x3, 0x0)
syz_init_net_socket$netrom(0x6, 0x5, 0x0)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-syz_init_net_socket$x25-syz_init_net_socket$x25-bind$x25-socket$nl_route
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@bloom_filter={0x1e, 0x865b, 0x2, 0x8, 0xa00e, 0xffffffffffffffff, 0x6, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1, 0xe, @value=r0, @void, @void, @value}, 0x50)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000600)={&(0x7f0000000000)='jbd2_submit_inode_data\x00'}, 0x18)
r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0)
syz_init_net_socket$x25(0x9, 0x5, 0x0)
bind$x25(r1, &(0x7f0000000080), 0x12)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-syz_init_net_socket$x25-syz_init_net_socket$x25-bind$x25
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@bloom_filter={0x1e, 0x865b, 0x2, 0x8, 0xa00e, 0xffffffffffffffff, 0x6, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1, 0xe, @value=r0, @void, @void, @value}, 0x50)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000600)={&(0x7f0000000000)='jbd2_submit_inode_data\x00'}, 0x18)
r1 = syz_init_net_socket$x25(0x9, 0x5, 0x0)
syz_init_net_socket$x25(0x9, 0x5, 0x0)
bind$x25(r1, &(0x7f0000000080), 0x12)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-syz_init_net_socket$x25-syz_init_net_socket$x25
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@bloom_filter={0x1e, 0x865b, 0x2, 0x8, 0xa00e, 0xffffffffffffffff, 0x6, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1, 0xe, @value=r0, @void, @void, @value}, 0x50)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000600)={&(0x7f0000000000)='jbd2_submit_inode_data\x00'}, 0x18)
syz_init_net_socket$x25(0x9, 0x5, 0x0)
syz_init_net_socket$x25(0x9, 0x5, 0x0)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-syz_init_net_socket$x25
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@bloom_filter={0x1e, 0x865b, 0x2, 0x8, 0xa00e, 0xffffffffffffffff, 0x6, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1, 0xe, @value=r0, @void, @void, @value}, 0x50)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000600)={&(0x7f0000000000)='jbd2_submit_inode_data\x00'}, 0x18)
syz_init_net_socket$x25(0x9, 0x5, 0x0)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@bloom_filter={0x1e, 0x865b, 0x2, 0x8, 0xa00e, 0xffffffffffffffff, 0x6, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1, 0xe, @value=r0, @void, @void, @value}, 0x50)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000600)={&(0x7f0000000000)='jbd2_submit_inode_data\x00'}, 0x18)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp-bpf$MAP_CREATE
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000100)=@bloom_filter={0x1e, 0x865b, 0x2, 0x8, 0xa00e, 0xffffffffffffffff, 0x6, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x5, 0x1, 0xe, @value=r0, @void, @void, @value}, 0x50)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout-socket$xdp
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)
socket$xdp(0x2c, 0x3, 0x0)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink-setsockopt$packet_fanout
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x0)
setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, 0x0, 0x0)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS-socket$netlink
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x0)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare-bpf$ENABLE_STATS
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-unshare
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)
unshare(0x62040200)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$netlink(0x10, 0x3, 0x0)

program did not crash
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-unshare
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
unshare(0x62040200)

program crashed: WARNING in ip6mr_free_table
testing program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
detailed listing:
executing program 0:
unshare(0x62040200)

program crashed: WARNING in ip6mr_free_table
extracting C reproducer
testing compiled C program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program crashed: WARNING in ip6mr_free_table
simplifying C reproducer
testing compiled C program (duration=54.084020191s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program did not crash
testing compiled C program (duration=54.084020191s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program did not crash
testing compiled C program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program did not crash
testing compiled C program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=54.084020191s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare
program crashed: WARNING in ip6mr_free_table
reproducing took 34m30.618186322s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5821 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419
Modules linked in:
CPU: 0 UID: 0 PID: 5821 Comm: syz-executor231 Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419
Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 e4 ed af f7 90 <0f> 0b 90 e8 db ed af f7 48 8d 7b 38 e8 42 ae 9c f7 48 89 df be 0f
RSP: 0018:ffffc900032e7bd8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801bfd4000 RCX: ffffffff89ded704
RDX: ffff88802b3ba440 RSI: ffffffff89ded73c RDI: ffff88802c30ad00
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffff88802c309e40
R13: ffff88801bfd4000 R14: ffff88801bfd4008 R15: dead000000000100
FS:  00007f55e28296c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557dbafce8 CR3: 0000000076f42000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ip6mr_rules_exit+0x176/0x2d0 net/ipv6/ip6mr.c:283
 ip6mr_net_exit_batch+0x53/0xa0 net/ipv6/ip6mr.c:1388
 ops_exit_list+0x128/0x180 net/core/net_namespace.c:177
 setup_net+0x4fe/0x860 net/core/net_namespace.c:394
 copy_net_ns+0x2b4/0x6b0 net/core/net_namespace.c:500
 create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228
 ksys_unshare+0x45d/0xa40 kernel/fork.c:3334
 __do_sys_unshare kernel/fork.c:3405 [inline]
 __se_sys_unshare kernel/fork.c:3403 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:3403
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f55e286e2d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f55e2829238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f55e28f8308 RCX: 00007f55e286e2d9
RDX: 00007f55e284a8c6 RSI: 0000000000000000 RDI: 0000000062040200
RBP: 00007f55e28f8300 R08: 00007ffea29c18a7 R09: 00007f55e28296c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55e28f830c
R13: 0000000000000000 R14: 00007ffea29c17c0 R15: 00007ffea29c18a8
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5821 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419
Modules linked in:
CPU: 0 UID: 0 PID: 5821 Comm: syz-executor231 Not tainted 6.12.0-syzkaller-11930-g0e287d31b62b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419
Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 e4 ed af f7 90 <0f> 0b 90 e8 db ed af f7 48 8d 7b 38 e8 42 ae 9c f7 48 89 df be 0f
RSP: 0018:ffffc900032e7bd8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801bfd4000 RCX: ffffffff89ded704
RDX: ffff88802b3ba440 RSI: ffffffff89ded73c RDI: ffff88802c30ad00
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffff88802c309e40
R13: ffff88801bfd4000 R14: ffff88801bfd4008 R15: dead000000000100
FS:  00007f55e28296c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557dbafce8 CR3: 0000000076f42000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ip6mr_rules_exit+0x176/0x2d0 net/ipv6/ip6mr.c:283
 ip6mr_net_exit_batch+0x53/0xa0 net/ipv6/ip6mr.c:1388
 ops_exit_list+0x128/0x180 net/core/net_namespace.c:177
 setup_net+0x4fe/0x860 net/core/net_namespace.c:394
 copy_net_ns+0x2b4/0x6b0 net/core/net_namespace.c:500
 create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228
 ksys_unshare+0x45d/0xa40 kernel/fork.c:3334
 __do_sys_unshare kernel/fork.c:3405 [inline]
 __se_sys_unshare kernel/fork.c:3403 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:3403
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f55e286e2d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f55e2829238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f55e28f8308 RCX: 00007f55e286e2d9
RDX: 00007f55e284a8c6 RSI: 0000000000000000 RDI: 0000000062040200
RBP: 00007f55e28f8300 R08: 00007ffea29c18a7 R09: 00007f55e28296c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55e28f830c
R13: 0000000000000000 R14: 00007ffea29c17c0 R15: 00007ffea29c18a8
 </TASK>