Extracting prog: 45.524378047s Minimizing prog: 16m7.988808671s Simplifying prog options: 0s Extracting C: 44.223433615s Simplifying C: 5m28.591929496s extracting reproducer from 66 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: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-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-ioctl$ifreq_SIOCGIFINDEX_wireguard-getsockopt$inet_mreqn-sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET-bind$inet6-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) r6 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00', 0x0}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) r9 = socket$nl_route(0x10, 0x3, 0x0) r10 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r10, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r9, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000480)=@bridge_dellink={0x20, 0x11, 0xac9f5223b636c8cb, 0x70bd2b, 0x25dfdbfd, {0x7, 0x0, 0x0, r11, 0x8414, 0x20012}}, 0x20}}, 0x10) ioctl$ifreq_SIOCGIFINDEX_wireguard(r0, 0x8933, &(0x7f00000004c0)={'wg0\x00', 0x0}) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x23, &(0x7f0000000500)={@loopback, @local, 0x0}, &(0x7f0000000540)=0xc) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(r4, &(0x7f0000000640)={&(0x7f0000000140), 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x74, r6, 0x20, 0x70bd28, 0x25dfdbff, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r11}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r12}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r13}]}]}, 0x74}}, 0x8000) bind$inet6(r1, &(0x7f0000000180)={0xa, 0xe22, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x92, &(0x7f0000000340)={@multicast, @local, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "010100", 0x5c, 0x11, 0xff, @remote, @local, {[], {0x0, 0xe22, 0x5c, 0x0, @gue={{0x2, 0x0, 0x0, 0x3}, "00040600000073174470fdecb61694fce3f5b8df91d168ad9a45dc8ac4ff071c600a05e63638d9e36317b89edf9032d853f7f861fcb6cc4272d1f8b73b206350a7b07821fe27b14df4e5b3f8"}}}}}}}, 0x0) program crashed: KASAN: use-after-free Read in l2tp_tunnel_get_session single: successfully extracted reproducer found reproducer with 24 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-ioctl$ifreq_SIOCGIFINDEX_wireguard-getsockopt$inet_mreqn-sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET-bind$inet6 detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) r6 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00', 0x0}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) r9 = socket$nl_route(0x10, 0x3, 0x0) r10 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r10, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r9, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000480)=@bridge_dellink={0x20, 0x11, 0xac9f5223b636c8cb, 0x70bd2b, 0x25dfdbfd, {0x7, 0x0, 0x0, r11, 0x8414, 0x20012}}, 0x20}}, 0x10) ioctl$ifreq_SIOCGIFINDEX_wireguard(r0, 0x8933, &(0x7f00000004c0)={'wg0\x00', 0x0}) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x23, &(0x7f0000000500)={@loopback, @local, 0x0}, &(0x7f0000000540)=0xc) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(r4, &(0x7f0000000640)={&(0x7f0000000140), 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x74, r6, 0x20, 0x70bd28, 0x25dfdbff, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r11}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r12}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r13}]}]}, 0x74}}, 0x8000) bind$inet6(r1, &(0x7f0000000180)={0xa, 0xe22, 0x0, @empty}, 0x1c) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-ioctl$ifreq_SIOCGIFINDEX_wireguard-getsockopt$inet_mreqn-sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) r6 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00', 0x0}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) r9 = socket$nl_route(0x10, 0x3, 0x0) r10 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r10, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r9, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000480)=@bridge_dellink={0x20, 0x11, 0xac9f5223b636c8cb, 0x70bd2b, 0x25dfdbfd, {0x7, 0x0, 0x0, r11, 0x8414, 0x20012}}, 0x20}}, 0x10) ioctl$ifreq_SIOCGIFINDEX_wireguard(r0, 0x8933, &(0x7f00000004c0)={'wg0\x00', 0x0}) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x23, &(0x7f0000000500)={@loopback, @local, 0x0}, &(0x7f0000000540)=0xc) sendmsg$ETHTOOL_MSG_PRIVFLAGS_GET(r4, &(0x7f0000000640)={&(0x7f0000000140), 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x74, r6, 0x20, 0x70bd28, 0x25dfdbff, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r11}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r12}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r13}]}]}, 0x74}}, 0x8000) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-ioctl$ifreq_SIOCGIFINDEX_wireguard-getsockopt$inet_mreqn detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)}, 0x10) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000480)=@bridge_dellink={0x20, 0x11, 0xac9f5223b636c8cb, 0x70bd2b, 0x25dfdbfd, {0x7, 0x0, 0x0, r8, 0x8414, 0x20012}}, 0x20}}, 0x10) ioctl$ifreq_SIOCGIFINDEX_wireguard(r0, 0x8933, &(0x7f00000004c0)={'wg0\x00'}) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x23, &(0x7f0000000500)={@loopback, @local}, &(0x7f0000000540)=0xc) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-ioctl$ifreq_SIOCGIFINDEX_wireguard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)}, 0x10) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000480)=@bridge_dellink={0x20, 0x11, 0xac9f5223b636c8cb, 0x70bd2b, 0x25dfdbfd, {0x7, 0x0, 0x0, r8, 0x8414, 0x20012}}, 0x20}}, 0x10) ioctl$ifreq_SIOCGIFINDEX_wireguard(r0, 0x8933, &(0x7f00000004c0)={'wg0\x00'}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)}, 0x10) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000480)=@bridge_dellink={0x20, 0x11, 0xac9f5223b636c8cb, 0x70bd2b, 0x25dfdbfd, {0x7, 0x0, 0x0, r8, 0x8414, 0x20012}}, 0x20}}, 0x10) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route-socket$nl_route-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)}, 0x10) socket$nl_route(0x10, 0x3, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00'}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route-socket$nl_route detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)}, 0x10) socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO-socket$nl_route detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$eJzs3cFrG1caAPBvRrZjJ951suyGTdhlDXtIYIljZ8Nmd09JLptDYAPNoZQeYmI7NZETEzvQpIE60EMLLZTSHkvJpf9A7yX02lsptL31XEhLSemhLVGZ0UwiZMlRXEuyrd8Pxn7zZqT3Pj0/zRuNnyaAgTWZ/UgjDkXEpSRiomHbeNQ3Thb7Pfz+zuVsSaJWe+67JJIir9z/UfF7X/YjiRiNiM/ORvyhsr7clVu3r85Wa3Wv7omIpeXjK7duH1tcmr0yf2X+2syJf588Nf2fmZMzWxJnGde58///y1uvvfSvhc+rx5I4HReHX5mLpji2ymRMxqMixMb8oYg4lSVavC47TRlC0ud6sDmV4u9xOCIOxkRU8rW6iVh8s6+VA7qqVomotbVng23Azpfo4zCgynFAeW7fjfPg7ezBmfoJ0Pr4h+qfjcRofm6092HScGZUP9/dvwXlZ2X8cufw+9kSbT6HGNqCctpZuxsRf24Vf5LXbX/+KU4Wfxppw+Oy9HREjBSvRbrJ8ieb1nv99/cs8Te2Qxbv6eJ3ln+2fREbfsrT7/gBGEz3zxQH8rVs7cnxLxsZluOfaDH+GW9x7NqMfh//2o//yuP9aH4AT5vGYdmY50Lrpxxuzvj6jXPvtCu/cfyXLVn55ViwFx7cjTjcFP/r+WAuedz+SYv2z3a51GEZ//vi23PttvU7/tq9iCMtz3+eXNHKUsdXl5bLvKbrk8cXFqvz0/WfLcv4+NMXP2xXfr/jz9o/2sS/UftnecsdlvHRhXtL7baNPzX+9JuR5GKeGilyXp5dXb0xEzGSnC92acg/sXFdyn3K58jiP/r31v1/g/jzhl7rMP7l568+rKfWXyXtuP3XvavkHtU6rEM7Wfxzm2z/tzss48cXbv61KWusTGwU/9j6p0o6fc0BAAAAAABgEKX5NdgknXqcTtOpqfoc3j/G3rR6fWX1HwvXb16bizia/z/kcFpe6Z6oryfZ+kzx/7Dl+omm9X9GxIGIeLcylq9PXb5enet38AAAAAAAAAAAAAAAAAAAALBN7Cvm/5f3qf6hUp//35HVg12uHdB13bzBHLC9NfX/P7W48QawS+X9f7N3cAV2NON/GFz6Pwwu/R8G12b6/3tdqAfQe47/MLj0fxhc+j8MLv0fAAAAAHalA3+7/1USEWv/HcuXzEixbbivNQO67dn7+GRX6gH0XqWnDwO2k8eX/k3/h4HT0fj/p+LLAbtfHaAPklaZ+eCgtnHnv9/ykQAAAAAAAAAAAABAFxw5ZP4/DKo0Pul3FYA++Q0T+X0HAOxwvvofBpdzfOBps/hH220w/x8AAAAAAAAAAAAAemY8X5J0qrgF6Hik6dRUxO8iYn8MJwuL1fnpiPh9RHxZGd6Trc/0u9IAAAAAAAAAAAAAAAAAAACwy6zcun11tlqdv9GY+Hldzu5OlHdB3S71aUxE0vtCxyKiD5FGRC/KGmrISSLWsnL73cpFIrZFNdK8GuvfKxZ6/N4EAAAAAAAAAAAAAAAAAACDpmHucWuHP+hxjQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACg957c/3/zieQpz9PvGAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAnenXAAAA//9BKzYN") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)}, 0x10) socket$nl_route(0x10, 0x3, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-bpf$BPF_GET_MAP_INFO detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0x58, &(0x7f0000000240)}, 0x10) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-syz_mount_image$ext4 detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) syz_mount_image$ext4(&(0x7f0000000680)='ext4\x00', &(0x7f00000006c0)='./file1\x00', 0x2008215, &(0x7f0000000700), 0x1, 0x624, &(0x7f0000000740)="$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") program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-syz_genetlink_get_family_id$ethtool-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-sendmsg$TIPC_CMD_GET_NODES-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_CMD_GET_NODES(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x1c, r5, 0x1, 0x70bd2b, 0x25dfdbff, {{}, {0x0, 0x4109}}}, 0x1c}, 0x1, 0x0, 0x0, 0x4000005}, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-syz_genetlink_get_family_id$tipc-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$tipc(&(0x7f0000000040), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$UI_SET_PHYS-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$UI_SET_PHYS(r3, 0x4008556c, &(0x7f0000001e40)='syz0\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-openat$uinput-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) openat$uinput(0xffffffffffffff9c, &(0x7f0000001e00), 0x2, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r2, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-getdents64-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r1, &(0x7f0000000dc0)=""/4098, 0x1002) getdents64(r1, 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-getdents64-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') getdents64(r2, &(0x7f0000000dc0)=""/4098, 0x1002) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-syz_open_procfs-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) syz_open_procfs(0x0, &(0x7f0000000d80)='fd\x00') connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) 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$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r0, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000200)={'batadv_slave_1\x00'}) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Write in pppol2tp_release simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, 0x0) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$ifreq_SIOCGIFINDEX_batadv_hard detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e23, @broadcast}, 0x2, 0x0, 0x4}}, 0x2e) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true reproducing took 24m53.211380791s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156 Read of size 4 at addr ffff88811d889000 by task syz.2.17/368 CPU: 0 PID: 368 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x10f/0x150 mm/kasan/report.c:444 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156 pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x200 net/socket.c:1336 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd2b13484d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb04ee178 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffdb04ee260 RCX: 00007fd2b13484d9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006d44 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32b20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd2b15c4fac R14: 00007fd2b15c4fa8 R15: 00007fd2b15c4fa0 Allocated by task 368: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] ____kasan_kmalloc mm/kasan/common.c:512 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] __kmalloc+0x13d/0x2c0 mm/slub.c:4436 kmalloc include/linux/slab.h:624 [inline] kzalloc include/linux/slab.h:750 [inline] l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1617 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772 __sys_connect_file net/socket.c:1923 [inline] __sys_connect+0x3cb/0x450 net/socket.c:1940 __do_sys_connect net/socket.c:1950 [inline] __se_sys_connect net/socket.c:1947 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1947 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 331: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754 slab_free mm/slub.c:3526 [inline] kfree+0xc4/0x270 mm/slub.c:4588 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1590 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1236 [inline] l2tp_tunnel_del_work+0x180/0x3d0 net/l2tp/l2tp_core.c:1274 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475 kthread+0x3f5/0x4f0 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff88811d889000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff88811d889000, ffff88811d889200) The buggy address belongs to the page: page:ffffea0004762200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11d888 head:ffffea0004762200 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 8, ts 27978392835, free_ts 27226807844 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2610 prep_new_page+0x1c/0x110 mm/page_alloc.c:2616 get_page_from_freelist+0x2d42/0x2dd0 mm/page_alloc.c:4492 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5829 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1937 [inline] new_slab+0xa0/0x4d0 mm/slub.c:2000 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] __kmalloc+0x16a/0x2c0 mm/slub.c:4432 kmalloc include/linux/slab.h:624 [inline] kzalloc include/linux/slab.h:750 [inline] fib6_info_alloc+0x34/0xe0 net/ipv6/ip6_fib.c:155 ip6_route_info_create+0x51b/0x14d0 net/ipv6/route.c:3787 ip6_route_add+0x27/0x130 net/ipv6/route.c:3883 addrconf_prefix_route net/ipv6/addrconf.c:2479 [inline] addrconf_add_linklocal+0x3cd/0x660 net/ipv6/addrconf.c:3282 addrconf_addr_gen+0x53f/0x6a0 net/ipv6/addrconf.c:3411 addrconf_dev_config net/ipv6/addrconf.c:3456 [inline] addrconf_init_auto_addrs+0x867/0xbd0 net/ipv6/addrconf.c:3535 addrconf_notify+0x95d/0xe00 net/ipv6/addrconf.c:3704 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0x90/0x100 kernel/notifier.c:391 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1477 [inline] free_pcp_prepare mm/page_alloc.c:1549 [inline] free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3540 free_unref_page+0xae/0x540 mm/page_alloc.c:3622 free_the_page mm/page_alloc.c:808 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5905 __vunmap+0x801/0x980 mm/vmalloc.c:2660 __vfree mm/vmalloc.c:2709 [inline] vfree+0x8b/0xc0 mm/vmalloc.c:2740 kcov_put kernel/kcov.c:422 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:524 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xb70/0x29a0 kernel/exit.c:896 do_group_exit+0x149/0x310 kernel/exit.c:1010 get_signal+0x64f/0x1430 kernel/signal.c:2920 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:157 [inline] exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310 Memory state around the buggy address: ffff88811d888f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811d888f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88811d889000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811d889080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811d889100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 368 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Modules linked in: CPU: 1 PID: 368 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Code: 5d c3 e8 ac 0b 0a fd be 02 00 00 00 eb 0a e8 a0 0b 0a fd be 01 00 00 00 4c 89 f7 e8 83 b4 f0 fd e9 0f ff ff ff e8 89 0b 0a fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 78 0b 0a fd 4c 89 f7 be 03 RSP: 0018:ffffc90000ac7d10 EFLAGS: 00010293 RAX: ffffffff845fca17 RBX: ffff88811ee0b000 RCX: ffff88810de19400 RDX: 0000000000000000 RSI: 000000000f77aec0 RDI: 000000000c04eb7d RBP: ffffc90000ac7d30 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e1904c R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000f77aec0 R15: ffff88811d889000 FS: 000055556cead500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001274f0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x200 net/socket.c:1336 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd2b13484d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb04ee178 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffdb04ee260 RCX: 00007fd2b13484d9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006d44 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32b20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd2b15c4fac R14: 00007fd2b15c4fa8 R15: 00007fd2b15c4fa0 ---[ end trace 6a83aa8fd6f35687 ]--- final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156 Read of size 4 at addr ffff88811d889000 by task syz.2.17/368 CPU: 0 PID: 368 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x10f/0x150 mm/kasan/report.c:444 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 pppol2tp_sock_to_session+0x1a0/0x1b0 net/l2tp/l2tp_ppp.c:156 pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x200 net/socket.c:1336 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd2b13484d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb04ee178 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffdb04ee260 RCX: 00007fd2b13484d9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006d44 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32b20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd2b15c4fac R14: 00007fd2b15c4fa8 R15: 00007fd2b15c4fa0 Allocated by task 368: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] ____kasan_kmalloc mm/kasan/common.c:512 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] __kmalloc+0x13d/0x2c0 mm/slub.c:4436 kmalloc include/linux/slab.h:624 [inline] kzalloc include/linux/slab.h:750 [inline] l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1617 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772 __sys_connect_file net/socket.c:1923 [inline] __sys_connect+0x3cb/0x450 net/socket.c:1940 __do_sys_connect net/socket.c:1950 [inline] __se_sys_connect net/socket.c:1947 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1947 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 331: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754 slab_free mm/slub.c:3526 [inline] kfree+0xc4/0x270 mm/slub.c:4588 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1590 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1236 [inline] l2tp_tunnel_del_work+0x180/0x3d0 net/l2tp/l2tp_core.c:1274 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475 kthread+0x3f5/0x4f0 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff88811d889000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff88811d889000, ffff88811d889200) The buggy address belongs to the page: page:ffffea0004762200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11d888 head:ffffea0004762200 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 8, ts 27978392835, free_ts 27226807844 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2610 prep_new_page+0x1c/0x110 mm/page_alloc.c:2616 get_page_from_freelist+0x2d42/0x2dd0 mm/page_alloc.c:4492 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5829 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1937 [inline] new_slab+0xa0/0x4d0 mm/slub.c:2000 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] __kmalloc+0x16a/0x2c0 mm/slub.c:4432 kmalloc include/linux/slab.h:624 [inline] kzalloc include/linux/slab.h:750 [inline] fib6_info_alloc+0x34/0xe0 net/ipv6/ip6_fib.c:155 ip6_route_info_create+0x51b/0x14d0 net/ipv6/route.c:3787 ip6_route_add+0x27/0x130 net/ipv6/route.c:3883 addrconf_prefix_route net/ipv6/addrconf.c:2479 [inline] addrconf_add_linklocal+0x3cd/0x660 net/ipv6/addrconf.c:3282 addrconf_addr_gen+0x53f/0x6a0 net/ipv6/addrconf.c:3411 addrconf_dev_config net/ipv6/addrconf.c:3456 [inline] addrconf_init_auto_addrs+0x867/0xbd0 net/ipv6/addrconf.c:3535 addrconf_notify+0x95d/0xe00 net/ipv6/addrconf.c:3704 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0x90/0x100 kernel/notifier.c:391 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1477 [inline] free_pcp_prepare mm/page_alloc.c:1549 [inline] free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3540 free_unref_page+0xae/0x540 mm/page_alloc.c:3622 free_the_page mm/page_alloc.c:808 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5905 __vunmap+0x801/0x980 mm/vmalloc.c:2660 __vfree mm/vmalloc.c:2709 [inline] vfree+0x8b/0xc0 mm/vmalloc.c:2740 kcov_put kernel/kcov.c:422 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:524 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xb70/0x29a0 kernel/exit.c:896 do_group_exit+0x149/0x310 kernel/exit.c:1010 get_signal+0x64f/0x1430 kernel/signal.c:2920 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:157 [inline] exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310 Memory state around the buggy address: ffff88811d888f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811d888f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88811d889000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811d889080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811d889100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 368 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Modules linked in: CPU: 1 PID: 368 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 net/l2tp/l2tp_ppp.c:156 Code: 5d c3 e8 ac 0b 0a fd be 02 00 00 00 eb 0a e8 a0 0b 0a fd be 01 00 00 00 4c 89 f7 e8 83 b4 f0 fd e9 0f ff ff ff e8 89 0b 0a fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 78 0b 0a fd 4c 89 f7 be 03 RSP: 0018:ffffc90000ac7d10 EFLAGS: 00010293 RAX: ffffffff845fca17 RBX: ffff88811ee0b000 RCX: ffff88810de19400 RDX: 0000000000000000 RSI: 000000000f77aec0 RDI: 000000000c04eb7d RBP: ffffc90000ac7d30 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e1904c R12: dffffc0000000000 R13: dffffc0000000000 R14: 000000000f77aec0 R15: ffff88811d889000 FS: 000055556cead500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001274f0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pppol2tp_release+0x150/0x2b0 net/l2tp/l2tp_ppp.c:435 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x200 net/socket.c:1336 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:184 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd2b13484d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb04ee178 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffdb04ee260 RCX: 00007fd2b13484d9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000006d44 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32b20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd2b15c4fac R14: 00007fd2b15c4fa8 R15: 00007fd2b15c4fa0 ---[ end trace 6a83aa8fd6f35687 ]---