Extracting prog: 40.519196977s
Minimizing prog: 22m32.377705219s
Simplifying prog options: 0s
Extracting C: 32.349017144s
Simplifying C: 6m16.273213363s


extracting reproducer from 30 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = socket$kcm(0xa, 0x2, 0x88)
r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r3, 0x1, 0x3e, &(0x7f00000002c0)=r4, 0x4)
setsockopt$sock_attach_bpf(r3, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x18}, 0x0)
r2 = socket$kcm(0xa, 0x2, 0x88)
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r2, 0x1, 0x3e, &(0x7f00000002c0)=r3, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = socket$kcm(0xa, 0x2, 0x88)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r3, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = socket$kcm(0xa, 0x2, 0x88)
setsockopt$sock_attach_bpf(r3, 0x1, 0x3e, &(0x7f00000002c0), 0x4)
setsockopt$sock_attach_bpf(r3, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x3e, &(0x7f00000002c0)=r3, 0x4)
setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
sendmsg$inet(r0, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
r1 = socket$kcm(0xa, 0x2, 0x88)
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r1, 0x1, 0x3e, &(0x7f00000002c0)=r2, 0x4)
setsockopt$sock_attach_bpf(r1, 0x1, 0x41, &(0x7f0000000040), 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff})
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r1=>0xffffffffffffffff]}}], 0x18}, 0x0)
r2 = socket$kcm(0xa, 0x2, 0x88)
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r2, 0x1, 0x3e, &(0x7f00000002c0)=r3, 0x4)
setsockopt$sock_attach_bpf(r2, 0x1, 0x41, &(0x7f0000000040)=r1, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
sendmsg$inet(0xffffffffffffffff, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r0=>0xffffffffffffffff]}}], 0x18}, 0x0)
r1 = socket$kcm(0xa, 0x2, 0x88)
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r1, 0x1, 0x3e, &(0x7f00000002c0)=r2, 0x4)
setsockopt$sock_attach_bpf(r1, 0x1, 0x41, &(0x7f0000000040)=r0, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = socket$kcm(0xa, 0x2, 0x88)
r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r3, 0x1, 0x3e, &(0x7f00000002c0)=r4, 0x4)
setsockopt$sock_attach_bpf(r3, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = socket$kcm(0xa, 0x2, 0x88)
r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r3, 0x1, 0x3e, &(0x7f00000002c0)=r4, 0x4)
setsockopt$sock_attach_bpf(r3, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, 0x0)
sendmsg$inet(0xffffffffffffffff, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(0xffffffffffffffff, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r0=>0xffffffffffffffff]}}], 0x18}, 0x0)
r1 = socket$kcm(0xa, 0x2, 0x88)
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r1, 0x1, 0x3e, &(0x7f00000002c0)=r2, 0x4)
setsockopt$sock_attach_bpf(r1, 0x1, 0x41, &(0x7f0000000040)=r0, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, 0x0, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = socket$kcm(0xa, 0x2, 0x88)
r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r3, 0x1, 0x3e, &(0x7f00000002c0)=r4, 0x4)
setsockopt$sock_attach_bpf(r3, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, 0x0, 0x0)
r2 = socket$kcm(0xa, 0x2, 0x88)
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r2, 0x1, 0x3e, &(0x7f00000002c0)=r3, 0x4)
setsockopt$sock_attach_bpf(r2, 0x1, 0x41, &(0x7f0000000040), 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0}, 0x0)
r2 = socket$kcm(0xa, 0x2, 0x88)
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r2, 0x1, 0x3e, &(0x7f00000002c0)=r3, 0x4)
setsockopt$sock_attach_bpf(r2, 0x1, 0x41, &(0x7f0000000040), 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = socket$kcm(0xa, 0x2, 0x88)
r4 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r3, 0x1, 0x3e, &(0x7f00000002c0)=r4, 0x4)
setsockopt$sock_attach_bpf(r3, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [<r2=>0xffffffffffffffff]}}], 0x18}, 0x0)
r3 = socket$kcm(0xa, 0x2, 0x88)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r3, 0x1, 0x3e, 0x0, 0x0)
setsockopt$sock_attach_bpf(r3, 0x1, 0x41, &(0x7f0000000040)=r2, 0x4)

program did not crash
testing program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'geneve0\x00', 0x8000})
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
sendmsg$inet(r1, &(0x7f0000001780)={0x0, 0x0, 0x0}, 0x8090)
recvmsg$unix(r0, &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x18}, 0x0)
r2 = socket$kcm(0xa, 0x2, 0x88)
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0)
setsockopt$sock_attach_bpf(r2, 0x1, 0x3e, &(0x7f00000002c0)=r3, 0x4)
setsockopt$sock_attach_bpf(r2, 0x1, 0x41, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info
simplifying C reproducer
testing compiled C program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info
testing compiled C program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info
testing compiled C program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info
testing compiled C program (duration=51.735866173s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
program did not crash
testing compiled C program (duration=51.735866173s, {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:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info
testing compiled C program (duration=51.735866173s, {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:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info
testing compiled C program (duration=51.735866173s, {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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socketpair$unix-sendmsg$inet-recvmsg$unix-socket$kcm-openat$cgroup_ro-setsockopt$sock_attach_bpf-setsockopt$sock_attach_bpf
program crashed: WARNING: suspicious RCU usage in __ethtool_get_ts_info
reproducing took 30m1.519156308s
repro crashed as (corrupted=false):
UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
=============================
WARNING: suspicious RCU usage
6.13.0-rc2-syzkaller-00424-gbc6a5efe3dcd #0 Not tainted
-----------------------------
net/ethtool/common.c:873 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor401/5823:
 #0: ffff8880310c8258 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1617 [inline]
 #0: ffff8880310c8258 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1126 [inline]
 #0: ffff8880310c8258 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sk_setsockopt+0xf0f/0x33b0 net/core/sock.c:1285

stack backtrace:
CPU: 0 UID: 0 PID: 5823 Comm: syz-executor401 Not tainted 6.13.0-rc2-syzkaller-00424-gbc6a5efe3dcd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x226/0x340 kernel/locking/lockdep.c:6845
 __ethtool_get_ts_info+0x97/0x410 net/ethtool/common.c:873
 ethtool_get_phc_vclocks+0xa1/0x160 net/ethtool/common.c:922
 sock_timestamping_bind_phc net/core/sock.c:873 [inline]
 sock_set_timestamping+0x3e2/0xab0 net/core/sock.c:927
 sk_setsockopt+0x2150/0x33b0 net/core/sock.c:1418
 udp_lib_setsockopt+0x11d/0xc10 net/ipv4/udp.c:2862
 udpv6_setsockopt+0x73/0xb0 net/ipv6/udp.c:1796
 do_sock_setsockopt+0x3af/0x720 net/socket.c:2313
 __sys_setsockopt net/socket.c:2338 [inline]
 __do_sys_setsockopt net/socket.c:2344 [inline]
 __se_sys_setsockopt net/socket.c:2341 [inline]
 __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2341
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f177e729469
Code: 48 83 c4 28 c3 e8 c7 1b 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd9a5141a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f177e729469
RDX: 0000000000000041 RSI: 0000000000000001 RDI: 0000000000000005
RBP: 00007f177e79f300 R08: 0000000000000004 R09: 00007ffd9a5141e0
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000004
R13: 00007f177e79f37c R14: 00007f177e79f364 R15: 

final repro crashed as (corrupted=false):
UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
=============================
WARNING: suspicious RCU usage
6.13.0-rc2-syzkaller-00424-gbc6a5efe3dcd #0 Not tainted
-----------------------------
net/ethtool/common.c:873 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor401/5823:
 #0: ffff8880310c8258 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1617 [inline]
 #0: ffff8880310c8258 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1126 [inline]
 #0: ffff8880310c8258 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sk_setsockopt+0xf0f/0x33b0 net/core/sock.c:1285

stack backtrace:
CPU: 0 UID: 0 PID: 5823 Comm: syz-executor401 Not tainted 6.13.0-rc2-syzkaller-00424-gbc6a5efe3dcd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x226/0x340 kernel/locking/lockdep.c:6845
 __ethtool_get_ts_info+0x97/0x410 net/ethtool/common.c:873
 ethtool_get_phc_vclocks+0xa1/0x160 net/ethtool/common.c:922
 sock_timestamping_bind_phc net/core/sock.c:873 [inline]
 sock_set_timestamping+0x3e2/0xab0 net/core/sock.c:927
 sk_setsockopt+0x2150/0x33b0 net/core/sock.c:1418
 udp_lib_setsockopt+0x11d/0xc10 net/ipv4/udp.c:2862
 udpv6_setsockopt+0x73/0xb0 net/ipv6/udp.c:1796
 do_sock_setsockopt+0x3af/0x720 net/socket.c:2313
 __sys_setsockopt net/socket.c:2338 [inline]
 __do_sys_setsockopt net/socket.c:2344 [inline]
 __se_sys_setsockopt net/socket.c:2341 [inline]
 __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2341
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f177e729469
Code: 48 83 c4 28 c3 e8 c7 1b 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd9a5141a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f177e729469
RDX: 0000000000000041 RSI: 0000000000000001 RDI: 0000000000000005
RBP: 00007f177e79f300 R08: 0000000000000004 R09: 00007ffd9a5141e0
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000004
R13: 00007f177e79f37c R14: 00007f177e79f364 R15: