Extracting prog: 3m56.700703926s Minimizing prog: 36m23.828337111s Simplifying prog options: 0s Extracting C: 35.949095614s Simplifying C: 23m50.44523109s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program crashed: possible deadlock in __netdev_update_features single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) socket$inet6_mptcp(0xa, 0x1, 0x106) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00'}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x4c}}, 0x200040cc) r2 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r1], 0x4c}}, 0x200040cc) r2 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r0, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r1], 0x4c}}, 0x200040cc) r2 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r1], 0x4c}}, 0x200040cc) r2 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x4c}}, 0x200040cc) r2 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00'}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)) sendmsg$nl_route(r0, 0x0, 0x200040cc) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00'}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x200040cc) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00'}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x4c}}, 0x200040cc) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00'}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[], 0x4c}}, 0x200040cc) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB, @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB, @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, 0x0) program did not crash testing program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', 0x0}) program did not crash extracting C reproducer testing compiled C program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features simplifying C reproducer testing compiled C program (duration=1m37.787311858s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program did not crash testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program did not crash testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing compiled C program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL program crashed: possible deadlock in __netdev_update_features testing program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program crashed: possible deadlock in __netdev_update_features validation run: crashed=true testing program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program crashed: possible deadlock in __netdev_update_features validation run: crashed=true testing program (duration=1m37.787311858s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$nl_route-socket$inet6_mptcp-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'netdevsim0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000940)={'batadv0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000001c0)=ANY=[@ANYBLOB="4c0000001000010426bd7000fddbdf2500000000", @ANYRES32=0x0, @ANYBLOB="03000000000000001c0012800c0001006d6163766c616e000c000280080001000400000008000500", @ANYRES32=r1, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x4c}}, 0x200040cc) r3 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f00000005c0)={'netdevsim0\x00', &(0x7f0000000600)=@ethtool_gfeatures={0x17}}) program crashed: possible deadlock in __netdev_update_features validation run: crashed=true reproducing took 1h8m48.456407368s repro crashed as (corrupted=false): batman_adv: batadv0: The MTU of interface macvlan2 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. batman_adv: batadv0: Interface activated: macvlan2 ============================================ WARNING: possible recursive locking detected syzkaller #0 Not tainted -------------------------------------------- syz.0.17/5895 is trying to acquire lock: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2883 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_sync_lower_features net/core/dev.c:11091 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: __netdev_update_features+0xd27/0x1ef0 net/core/dev.c:11261 but task is already holding lock: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2883 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: __dev_ethtool net/ethtool/ioctl.c:3638 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: dev_ethtool+0x47e/0x29e0 net/ethtool/ioctl.c:3680 and the lock comparison function returns 0: other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&dev->lock); lock(&dev->lock); *** DEADLOCK *** May be due to missing lock nesting notation locks held by syz.0.17/5895: 2, last CPU#1: #0: ffffffff91276f20 (rtnl_mutex){+.+.}-{4:4}, at: __dev_ethtool net/ethtool/ioctl.c:3637 [inline] #0: ffffffff91276f20 (rtnl_mutex){+.+.}-{4:4}, at: dev_ethtool+0x3a0/0x29e0 net/ethtool/ioctl.c:3680 #1: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2883 [inline] #1: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] #1: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: __dev_ethtool net/ethtool/ioctl.c:3638 [inline] #1: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: dev_ethtool+0x47e/0x29e0 net/ethtool/ioctl.c:3680 stack backtrace: CPU: 1 UID: 0 PID: 5895 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_deadlock_bug+0x27a/0x290 kernel/locking/lockdep.c:3085 check_deadlock kernel/locking/lockdep.c:3137 [inline] validate_chain kernel/locking/lockdep.c:3939 [inline] __lock_acquire+0x25db/0x2de0 kernel/locking/lockdep.c:5288 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x197/0x15a0 kernel/locking/mutex.c:821 netdev_lock include/linux/netdevice.h:2883 [inline] netdev_lock_ops include/net/netdev_lock.h:42 [inline] netdev_sync_lower_features net/core/dev.c:11091 [inline] __netdev_update_features+0xd27/0x1ef0 net/core/dev.c:11261 netdev_update_features+0x6f/0x100 net/core/dev.c:11318 macvlan_device_event+0x62c/0x9e0 drivers/net/macvlan.c:1883 notifier_call_chain+0x1a5/0x3d0 kernel/notifier.c:86 call_netdevice_notifiers_extack net/core/dev.c:2351 [inline] call_netdevice_notifiers net/core/dev.c:2365 [inline] netdev_features_change+0x8d/0xd0 net/core/dev.c:1650 dev_ethtool_locked net/ethtool/ioctl.c:3587 [inline] __dev_ethtool net/ethtool/ioctl.c:3645 [inline] dev_ethtool+0x1f21/0x29e0 net/ethtool/ioctl.c:3680 dev_ioctl+0x392/0x1150 net/core/dev_ioctl.c:745 sock_do_ioctl+0x23e/0x320 net/socket.c:1342 sock_ioctl+0x57a/0x7e0 net/socket.c:1449 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa23b79f559 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:00007fff052b24a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa23ba25fa0 RCX: 00007fa23b79f559 RDX: 00002000000005c0 RSI: 0000000000008946 RDI: 0000000000000004 RBP: 00007fa23b836b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa23ba25fac R14: 00007fa23ba25fa0 R15: 00007fa23ba25fa0 final repro crashed as (corrupted=false): batman_adv: batadv0: The MTU of interface macvlan2 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. batman_adv: batadv0: Interface activated: macvlan2 ============================================ WARNING: possible recursive locking detected syzkaller #0 Not tainted -------------------------------------------- syz.0.17/5895 is trying to acquire lock: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2883 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_sync_lower_features net/core/dev.c:11091 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: __netdev_update_features+0xd27/0x1ef0 net/core/dev.c:11261 but task is already holding lock: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2883 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: __dev_ethtool net/ethtool/ioctl.c:3638 [inline] ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: dev_ethtool+0x47e/0x29e0 net/ethtool/ioctl.c:3680 and the lock comparison function returns 0: other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&dev->lock); lock(&dev->lock); *** DEADLOCK *** May be due to missing lock nesting notation locks held by syz.0.17/5895: 2, last CPU#1: #0: ffffffff91276f20 (rtnl_mutex){+.+.}-{4:4}, at: __dev_ethtool net/ethtool/ioctl.c:3637 [inline] #0: ffffffff91276f20 (rtnl_mutex){+.+.}-{4:4}, at: dev_ethtool+0x3a0/0x29e0 net/ethtool/ioctl.c:3680 #1: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2883 [inline] #1: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] #1: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: __dev_ethtool net/ethtool/ioctl.c:3638 [inline] #1: ffff8880136e8e98 (&dev->lock){+.+.}-{4:4}, at: dev_ethtool+0x47e/0x29e0 net/ethtool/ioctl.c:3680 stack backtrace: CPU: 1 UID: 0 PID: 5895 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_deadlock_bug+0x27a/0x290 kernel/locking/lockdep.c:3085 check_deadlock kernel/locking/lockdep.c:3137 [inline] validate_chain kernel/locking/lockdep.c:3939 [inline] __lock_acquire+0x25db/0x2de0 kernel/locking/lockdep.c:5288 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x197/0x15a0 kernel/locking/mutex.c:821 netdev_lock include/linux/netdevice.h:2883 [inline] netdev_lock_ops include/net/netdev_lock.h:42 [inline] netdev_sync_lower_features net/core/dev.c:11091 [inline] __netdev_update_features+0xd27/0x1ef0 net/core/dev.c:11261 netdev_update_features+0x6f/0x100 net/core/dev.c:11318 macvlan_device_event+0x62c/0x9e0 drivers/net/macvlan.c:1883 notifier_call_chain+0x1a5/0x3d0 kernel/notifier.c:86 call_netdevice_notifiers_extack net/core/dev.c:2351 [inline] call_netdevice_notifiers net/core/dev.c:2365 [inline] netdev_features_change+0x8d/0xd0 net/core/dev.c:1650 dev_ethtool_locked net/ethtool/ioctl.c:3587 [inline] __dev_ethtool net/ethtool/ioctl.c:3645 [inline] dev_ethtool+0x1f21/0x29e0 net/ethtool/ioctl.c:3680 dev_ioctl+0x392/0x1150 net/core/dev_ioctl.c:745 sock_do_ioctl+0x23e/0x320 net/socket.c:1342 sock_ioctl+0x57a/0x7e0 net/socket.c:1449 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa23b79f559 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:00007fff052b24a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa23ba25fa0 RCX: 00007fa23b79f559 RDX: 00002000000005c0 RSI: 0000000000008946 RDI: 0000000000000004 RBP: 00007fa23b836b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa23ba25fac R14: 00007fa23ba25fa0 R15: 00007fa23ba25fa0