Extracting prog: 1m18.451148332s Minimizing prog: 28m7.631382467s Simplifying prog options: 6m40.030785513s Extracting C: 1m39.875946492s Simplifying C: 0s extracting reproducer from 15 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) program crashed: BUG: MAX_LOCK_DEPTH too low! single: successfully extracted reproducer found reproducer with 6 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6 detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) socket$nl_route(0x10, 0x3, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, 0x0, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB, @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, 0x0, 0x0) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, 0x0, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0) program did not crash 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm program did not crash simplifying guilty program options testing 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) program crashed: BUG: MAX_LOCK_DEPTH too low! extracting 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm program did not crash testing 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) program crashed: BUG: MAX_LOCK_DEPTH too low! extracting C reproducer 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm program did not crash testing 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: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}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) program crashed: BUG: MAX_LOCK_DEPTH too low! 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:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) program crashed: BUG: MAX_LOCK_DEPTH too low! 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:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setns-socket-socket$nl_route-sendmsg$nl_route-connect$inet6-sendmsg$nl_xfrm detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket(0xa, 0x3, 0xff) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="600000001800010400000000000000000a400000fe0200010000000014000500fe80000000000000000000000000000208000400", @ANYRES32=0x2, @ANYBLOB="0600150008000000200016801c00010000020101"], 0x60}}, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x4e21, 0x10000002, @ipv4={'\x00', '\xff\xff', @empty}, 0x800100}, 0x1c) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000200)=@newsa={0xf0, 0x1a, 0x7, 0x0, 0x25dfdbfc, {{@in6=@mcast2, @in=@multicast2, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a, 0x0, 0xee00}, {@in6=@local, 0x0, 0x2b}, @in6=@private0, {0xfffffffffffffffe, 0x4000000000000000, 0x2, 0x1fffffffffffffd, 0x0, 0x0, 0x0, 0x8}, {0x6, 0x200000, 0x7}, {0x40000, 0x0, 0xae8}, 0x0, 0x0, 0xa, 0x1, 0x0, 0x70}}, 0xf0}}, 0x0) program crashed: BUG: MAX_LOCK_DEPTH too low! validation run: crashed=true reproducing took 42m17.773231742s repro crashed as (corrupted=false): BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz.0.17/4385: #0: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #1: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #2: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #3: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #4: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #5: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #6: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #7: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #8: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #9: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #10: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #11: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #12: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #13: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #14: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #15: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #16: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #17: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #18: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #19: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #20: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #21: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #22: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #23: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #24: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #25: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #26: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #27: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #28: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #29: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #30: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #31: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #32: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #33: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #34: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #35: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #36: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #37: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #38: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #39: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #40: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #41: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #42: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #43: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #44: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #45: ffff8880b8f35df8 (lock){..-.}-{2:2}, at: local_lock_acquire+0x5/0x120 include/linux/local_lock_internal.h:28 #46: ffff88813fffbcd8 (&zone->lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:364 [inline] #46: ffff88813fffbcd8 (&zone->lock){..-.}-{2:2}, at: free_pcppages_bulk+0x498/0x780 mm/page_alloc.c:1519 #47: ffff88813fffb7c0 (&____s->seqcount){...-}-{0:0}, at: read_seqbegin include/linux/seqlock.h:897 [inline] #47: ffff88813fffb7c0 (&____s->seqcount){...-}-{0:0}, at: zone_span_seqbegin include/linux/memory_hotplug.h:83 [inline] #47: ffff88813fffb7c0 (&____s->seqcount){...-}-{0:0}, at: page_outside_zone_boundaries mm/page_alloc.c:580 [inline] #47: ffff88813fffb7c0 (&____s->seqcount){...-}-{0:0}, at: bad_range+0x76/0x2c0 mm/page_alloc.c:607 INFO: lockdep is turned off. CPU: 1 PID: 4385 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 __lock_acquire+0x170f/0x7d40 kernel/locking/lockdep.c:-1 lock_acquire+0x19f/0x400 kernel/locking/lockdep.c:5737 seqcount_lockdep_reader_access+0xb8/0x190 include/linux/seqlock.h:103 read_seqbegin include/linux/seqlock.h:897 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:83 [inline] page_outside_zone_boundaries mm/page_alloc.c:580 [inline] bad_range+0x76/0x2c0 mm/page_alloc.c:607 __free_one_page+0x137/0xc10 mm/page_alloc.c:1080 free_pcppages_bulk+0x57d/0x780 mm/page_alloc.c:1539 free_unref_page+0x151/0x2a0 mm/page_alloc.c:3416 free_nonslab_page+0xde/0x150 mm/slub.c:3540 skb_free_head net/core/skbuff.c:655 [inline] pskb_expand_head+0x363/0x1100 net/core/skbuff.c:1747 __skb_cow include/linux/skbuff.h:3414 [inline] skb_cow_head include/linux/skbuff.h:3448 [inline] rpl_do_srh_inline net/ipv6/rpl_iptunnel.c:157 [inline] rpl_do_srh+0x50a/0xe50 net/ipv6/rpl_iptunnel.c:201 rpl_output+0x178/0x730 net/ipv6/rpl_iptunnel.c:217 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] rawv6_send_hdrinc+0xd34/0x1650 net/ipv6/raw.c:659 rawv6_sendmsg+0x11a6/0x1710 net/ipv6/raw.c:917 sock_sendmsg_nosec net/socket.c:706 [inline] __sock_sendmsg net/socket.c:718 [inline] ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2446 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2500 __sys_sendmsg net/socket.c:2529 [inline] __do_sys_sendmsg net/socket.c:2538 [inline] __se_sys_sendmsg+0x1b7/0x2a0 net/socket.c:2536 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 RIP: 0033:0x7fd16317df19 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:00007ffd86c52258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd1633fafa0 RCX: 00007fd16317df19 RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000003 RBP: 00007fd16320cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd1633fafac R14: 00007fd1633fafa0 R15: 00007fd1633fafa0 syz.0.17 (4385) used greatest stack depth: 6224 bytes left final repro crashed as (corrupted=false): BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz.0.17/4385: #0: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #1: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #2: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #3: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #4: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #5: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #6: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #7: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #8: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #9: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #10: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #11: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #12: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #13: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #14: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #15: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #16: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #17: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #18: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #19: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #20: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #21: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #22: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #23: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #24: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #25: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #26: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #27: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #28: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #29: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #30: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #31: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #32: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #33: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #34: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #35: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #36: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #37: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #38: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #39: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #40: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #41: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #42: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #43: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #44: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:312 #45: ffff8880b8f35df8 (lock){..-.}-{2:2}, at: local_lock_acquire+0x5/0x120 include/linux/local_lock_internal.h:28 #46: ffff88813fffbcd8 (&zone->lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:364 [inline] #46: ffff88813fffbcd8 (&zone->lock){..-.}-{2:2}, at: free_pcppages_bulk+0x498/0x780 mm/page_alloc.c:1519 #47: ffff88813fffb7c0 (&____s->seqcount){...-}-{0:0}, at: read_seqbegin include/linux/seqlock.h:897 [inline] #47: ffff88813fffb7c0 (&____s->seqcount){...-}-{0:0}, at: zone_span_seqbegin include/linux/memory_hotplug.h:83 [inline] #47: ffff88813fffb7c0 (&____s->seqcount){...-}-{0:0}, at: page_outside_zone_boundaries mm/page_alloc.c:580 [inline] #47: ffff88813fffb7c0 (&____s->seqcount){...-}-{0:0}, at: bad_range+0x76/0x2c0 mm/page_alloc.c:607 INFO: lockdep is turned off. CPU: 1 PID: 4385 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 __lock_acquire+0x170f/0x7d40 kernel/locking/lockdep.c:-1 lock_acquire+0x19f/0x400 kernel/locking/lockdep.c:5737 seqcount_lockdep_reader_access+0xb8/0x190 include/linux/seqlock.h:103 read_seqbegin include/linux/seqlock.h:897 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:83 [inline] page_outside_zone_boundaries mm/page_alloc.c:580 [inline] bad_range+0x76/0x2c0 mm/page_alloc.c:607 __free_one_page+0x137/0xc10 mm/page_alloc.c:1080 free_pcppages_bulk+0x57d/0x780 mm/page_alloc.c:1539 free_unref_page+0x151/0x2a0 mm/page_alloc.c:3416 free_nonslab_page+0xde/0x150 mm/slub.c:3540 skb_free_head net/core/skbuff.c:655 [inline] pskb_expand_head+0x363/0x1100 net/core/skbuff.c:1747 __skb_cow include/linux/skbuff.h:3414 [inline] skb_cow_head include/linux/skbuff.h:3448 [inline] rpl_do_srh_inline net/ipv6/rpl_iptunnel.c:157 [inline] rpl_do_srh+0x50a/0xe50 net/ipv6/rpl_iptunnel.c:201 rpl_output+0x178/0x730 net/ipv6/rpl_iptunnel.c:217 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] rpl_output+0x321/0x730 net/ipv6/rpl_iptunnel.c:250 lwtunnel_output+0x27e/0x440 net/core/lwtunnel.c:342 dst_output include/net/dst.h:452 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] rawv6_send_hdrinc+0xd34/0x1650 net/ipv6/raw.c:659 rawv6_sendmsg+0x11a6/0x1710 net/ipv6/raw.c:917 sock_sendmsg_nosec net/socket.c:706 [inline] __sock_sendmsg net/socket.c:718 [inline] ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2446 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2500 __sys_sendmsg net/socket.c:2529 [inline] __do_sys_sendmsg net/socket.c:2538 [inline] __se_sys_sendmsg+0x1b7/0x2a0 net/socket.c:2536 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 RIP: 0033:0x7fd16317df19 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:00007ffd86c52258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd1633fafa0 RCX: 00007fd16317df19 RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000003 RBP: 00007fd16320cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd1633fafac R14: 00007fd1633fafa0 R15: 00007fd1633fafa0 syz.0.17 (4385) used greatest stack depth: 6224 bytes left