Extracting prog: 3m17.251445891s
Minimizing prog: 26m1.892411527s
Simplifying prog options: 0s
Extracting C: 1m31.533356511s
Simplifying C: 6m52.906760123s


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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

program crashed: WARNING: suspicious RCU usage in expect_iter_name
single: successfully extracted reproducer
found reproducer with 5 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}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
socket$nl_netfilter(0x10, 0x3, 0xc)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_DELETE(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="18010000020205000000000000000000070000076800018006000340000400002c00018014000300ff01000000000000000000000000000114000400ff0100000000000000000000000000010c00028005000100bd0000000c00028005000100210000000c00028005000100840000000c00028005000100840000000800044000000005800001800c000280050001002f0000000600034000040000060003400004000006000340000000002ce6018014000300ff01000000000000000000000000000114000400200100000000000000000000000000002c00018014000300fe88000000000000000000000000000114000400ff02000000000000000000000000000109000600736e6d70000000000800044000000001"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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}}): sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, 0x0, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, 0x0, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={0x0, 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, 0x0, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0, 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

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}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
program crashed: WARNING: suspicious RCU usage in expect_iter_name
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
program crashed: WARNING: suspicious RCU usage in expect_iter_name
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}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
program crashed: WARNING: suspicious RCU usage in expect_iter_name
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
program crashed: WARNING: suspicious RCU usage in expect_iter_name
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
program crashed: WARNING: suspicious RCU usage in expect_iter_name
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
program crashed: WARNING: suspicious RCU usage in expect_iter_name
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
program crashed: WARNING: suspicious RCU usage in expect_iter_name
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
program crashed: WARNING: suspicious RCU usage in expect_iter_name
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

program crashed: WARNING: suspicious RCU usage in expect_iter_name
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

program crashed: WARNING: suspicious RCU usage in expect_iter_name
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_CT_NEW-sendmsg$IPCTNL_MSG_EXP_NEW-socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_DELETE
detailed listing:
executing program 0:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_CT_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c0005800800010066747000"], 0x90}}, 0x0)
sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000800)=ANY=[@ANYBLOB="c8000000000201060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c00028005000100060000000600020000140000060003009c400000340003801400018008000100ffffffff08000200ffffffff1c00028005000100ff000000060002000000000006000300ffff000016000b006e61742d666f6c6c6f772d6d6173746572000000"], 0xc8}}, 0x0)
r1 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x118}, 0x1, 0x0, 0x0, 0x80}, 0x20000080)

program crashed: WARNING: suspicious RCU usage in expect_iter_name
validation run: crashed=true
reproducing took 41m44.104569049s
repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
net/netfilter/nf_conntrack_netlink.c:3393 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
locks held by syz.0.17/5873: 2, last CPU#1:
 #0: ffffffff9aee52e0 (nfnl_subsys_ctnetlink_exp){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
 #0: ffffffff9aee52e0 (nfnl_subsys_ctnetlink_exp){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa69/0x12b0 net/netfilter/nfnetlink.c:293
 #1: ffffffff8ea74d58 (nf_conntrack_expect_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:353 [inline]
 #1: ffffffff8ea74d58 (nf_conntrack_expect_lock){+...}-{3:3}, at: nf_ct_expect_iterate_net+0x38/0x180 net/netfilter/nf_conntrack_expect.c:623

stack backtrace:
CPU: 1 UID: 0 PID: 5873 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6972
 expect_iter_name+0xfb/0x100 net/netfilter/nf_conntrack_netlink.c:3393
 nf_ct_expect_iterate_net+0xf2/0x180 net/netfilter/nf_conntrack_expect.c:633
 ctnetlink_del_expect+0x45d/0x640 net/netfilter/nf_conntrack_netlink.c:3455
 nfnetlink_rcv_msg+0xcc2/0x12b0 net/netfilter/nfnetlink.c:300
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556
 nfnetlink_rcv+0x2b9/0x28c0 net/netfilter/nfnetlink.c:667
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2713
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2767
 __sys_sendmsg net/socket.c:2799 [inline]
 __do_sys_sendmsg net/socket.c:2804 [inline]
 __se_sys_sendmsg net/socket.c:2802 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2802
 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: 0033:0x7f751d99e159
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:00007ffd6b8283a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f751dc25fa0 RCX: 00007f751d99e159
RDX: 0000000020000080 RSI: 0000200000000300 RDI: 0000000000000004
RBP: 00007f751da3503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f751dc25fac R14: 00007f751dc25fa0 R15: 00007f751dc25fa0
 </TASK>

final repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
net/netfilter/nf_conntrack_netlink.c:3393 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
locks held by syz.0.17/5873: 2, last CPU#1:
 #0: ffffffff9aee52e0 (nfnl_subsys_ctnetlink_exp){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline]
 #0: ffffffff9aee52e0 (nfnl_subsys_ctnetlink_exp){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa69/0x12b0 net/netfilter/nfnetlink.c:293
 #1: ffffffff8ea74d58 (nf_conntrack_expect_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:353 [inline]
 #1: ffffffff8ea74d58 (nf_conntrack_expect_lock){+...}-{3:3}, at: nf_ct_expect_iterate_net+0x38/0x180 net/netfilter/nf_conntrack_expect.c:623

stack backtrace:
CPU: 1 UID: 0 PID: 5873 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6972
 expect_iter_name+0xfb/0x100 net/netfilter/nf_conntrack_netlink.c:3393
 nf_ct_expect_iterate_net+0xf2/0x180 net/netfilter/nf_conntrack_expect.c:633
 ctnetlink_del_expect+0x45d/0x640 net/netfilter/nf_conntrack_netlink.c:3455
 nfnetlink_rcv_msg+0xcc2/0x12b0 net/netfilter/nfnetlink.c:300
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556
 nfnetlink_rcv+0x2b9/0x28c0 net/netfilter/nfnetlink.c:667
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2713
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2767
 __sys_sendmsg net/socket.c:2799 [inline]
 __do_sys_sendmsg net/socket.c:2804 [inline]
 __se_sys_sendmsg net/socket.c:2802 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2802
 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: 0033:0x7f751d99e159
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:00007ffd6b8283a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f751dc25fa0 RCX: 00007f751d99e159
RDX: 0000000020000080 RSI: 0000200000000300 RDI: 0000000000000004
RBP: 00007f751da3503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f751dc25fac R14: 00007f751dc25fa0 R15: 00007f751dc25fa0
 </TASK>