Extracting prog: 1m24.327162987s
Minimizing prog: 10m42.371218773s
Simplifying prog options: 0s
Extracting C: 1m12.815166517s
Simplifying C: 5m25.76733818s


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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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}}): sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, 0x0, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={0x0}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x13c, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x4c, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0x0, 0x60}}]}, 0x13c}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(r0, 0x0, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={0x0, 0x94}}, 0x0)

program did not crash
testing program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB], 0x94}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=34.4693146s, {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$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
simplifying C reproducer
testing compiled C program (duration=34.4693146s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
testing compiled C program (duration=34.4693146s, {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}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
testing compiled C program (duration=34.4693146s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
testing compiled C program (duration=34.4693146s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
testing compiled C program (duration=34.4693146s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
testing compiled C program (duration=34.4693146s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
testing compiled C program (duration=34.4693146s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
testing program (duration=34.4693146s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
validation run: crashed=true
testing program (duration=34.4693146s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
validation run: crashed=true
testing program (duration=34.4693146s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm
detailed listing:
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0xbe3412, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0)
sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000007f00000100000000000000000000000000be3412020032007f0000020000000000000000000000007f00000100000000000000000000000000000000000000007f0000010000000000000000000000007f000001000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0)

program crashed: WARNING: suspicious RCU usage in xfrm_send_migrate_state
validation run: crashed=true
reproducing took 21m44.165375726s
repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
net/xfrm/xfrm_user.c:1630 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz.0.17/4918:
 #0: ffff0000d1269c50 (&net->xfrm.xfrm_cfg_mutex){+.+.}-{4:4}, at: xfrm_netlink_rcv+0x70/0x9c net/xfrm/xfrm_user.c:3928

stack backtrace:
CPU: 0 UID: 0 PID: 4918 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 lockdep_rcu_suspicious+0x168/0x26c kernel/locking/lockdep.c:6876
 xfrm_nlmsg_multicast net/xfrm/xfrm_user.c:1630 [inline]
 xfrm_send_migrate_state+0x6b0/0x958 net/xfrm/xfrm_user.c:3340
 xfrm_do_migrate_state+0x1114/0x1728 net/xfrm/xfrm_user.c:3507
 xfrm_user_rcv_msg+0x4e0/0x950 net/xfrm/xfrm_user.c:3907
 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556
 xfrm_netlink_rcv+0x80/0x9c net/xfrm/xfrm_user.c:3929
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg+0xc8/0x17c net/socket.c:790
 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684
 ___sys_sendmsg+0x198/0x224 net/socket.c:2738
 __sys_sendmsg+0x158/0x204 net/socket.c:2770
 __do_sys_sendmsg net/socket.c:2775 [inline]
 __se_sys_sendmsg net/socket.c:2773 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594

final repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
net/xfrm/xfrm_user.c:1630 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz.0.17/4918:
 #0: ffff0000d1269c50 (&net->xfrm.xfrm_cfg_mutex){+.+.}-{4:4}, at: xfrm_netlink_rcv+0x70/0x9c net/xfrm/xfrm_user.c:3928

stack backtrace:
CPU: 0 UID: 0 PID: 4918 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 lockdep_rcu_suspicious+0x168/0x26c kernel/locking/lockdep.c:6876
 xfrm_nlmsg_multicast net/xfrm/xfrm_user.c:1630 [inline]
 xfrm_send_migrate_state+0x6b0/0x958 net/xfrm/xfrm_user.c:3340
 xfrm_do_migrate_state+0x1114/0x1728 net/xfrm/xfrm_user.c:3507
 xfrm_user_rcv_msg+0x4e0/0x950 net/xfrm/xfrm_user.c:3907
 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556
 xfrm_netlink_rcv+0x80/0x9c net/xfrm/xfrm_user.c:3929
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg+0xc8/0x17c net/socket.c:790
 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2684
 ___sys_sendmsg+0x198/0x224 net/socket.c:2738
 __sys_sendmsg+0x158/0x204 net/socket.c:2770
 __do_sys_sendmsg net/socket.c:2775 [inline]
 __se_sys_sendmsg net/socket.c:2773 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2773
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594