Extracting prog: 1m33.988522833s
Minimizing prog: 14m52.731215122s
Simplifying prog options: 0s
Extracting C: 32.933284145s
Simplifying C: 22m9.149377676s
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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program crashed: WARNING in bpf_probe_read_user
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={0xffffffffffffffff, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, 0x0, 0x0)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, 0x0, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program did not crash
testing program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, 0x0, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
simplifying C reproducer
testing compiled C program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program did not crash
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program did not crash
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program did not crash
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program did not crash
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program did not crash
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing compiled C program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING in bpf_probe_read_user
testing program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program crashed: WARNING in bpf_probe_read_user
validation run: crashed=true
testing program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program crashed: WARNING in bpf_probe_read_user
validation run: crashed=true
testing program (duration=45.191152747s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-bpf$PROG_LOAD-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/net\x00')
bpf$PROG_LOAD(0x5, &(0x7f0000000a80)={0x16, 0xb, &(0x7f0000000580)=ANY=[@ANYBLOB="18000000000000000000000000000000180000002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b703000000000000850000007000000095"], 0x0, 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10002}, 0x94)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x16, 0xb, &(0x7f0000000580)=ANY=[], &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_PROG_TEST_RUN(0x1c, &(0x7f00000004c0)={r0, 0x3, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x44)
program crashed: WARNING in bpf_probe_read_user
validation run: crashed=true
reproducing took 42m41.859449434s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4321 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 4321 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d 9b d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 10 98 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000006ce8 EFLAGS: 00010246
RAX: ffffffff81a05a90 RBX: 0000000000000000 RCX: ffff88802b388000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc90000007117 R09: ffffc900000070e4
R10: dffffc0000000000 R11: fffff52000000e23 R12: ffff88802b389788
R13: ffffc9000113b030 R14: ffffc90000006d48 R15: 0000000000000000
FS: 0000555585a40500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9db51bc6b8 CR3: 000000007dbfe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_f2594087b0f175cc+0x32/0xb24
bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
bpf_prog_run_pin_on_cpu include/linux/filter.h:652 [inline]
bpf_flow_dissect+0x12b/0x3e0 net/core/flow_dissector.c:896
__skb_flow_dissect+0x7cc/0x6180 net/core/flow_dissector.c:1029
skb_flow_dissect_flow_keys include/linux/skbuff.h:1390 [inline]
___skb_get_hash+0x55/0x680 net/core/flow_dissector.c:1638
__skb_get_hash+0xd2/0x270 net/core/flow_dissector.c:1703
skb_get_hash include/linux/skbuff.h:1432 [inline]
skb_tx_hash net/core/dev.c:3256 [inline]
netdev_pick_tx+0x335/0xad0 net/core/dev.c:4153
netdev_core_pick_tx+0x141/0x300 net/core/dev.c:4186
__dev_queue_xmit+0x797/0x2e50 net/core/dev.c:4261
neigh_output include/net/neighbour.h:509 [inline]
ip6_finish_output2+0x108b/0x1530 net/ipv6/ip6_output.c:130
dst_output include/net/dst.h:452 [inline]
NF_HOOK include/linux/netfilter.h:302 [inline]
ndisc_send_skb+0xb7a/0x1410 net/ipv6/ndisc.c:513
addrconf_rs_timer+0x367/0x640 net/ipv6/addrconf.c:3959
call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
expire_timers kernel/time/timer.c:1699 [inline]
__run_timers+0x56c/0x810 kernel/time/timer.c:1970
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
handle_softirqs+0x336/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_acquire+0x208/0x400 kernel/locking/lockdep.c:5627
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f1 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90002faf300 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1c399c7f24965d00
RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: ffffffff8a7a2a40
RBP: ffffc90002faf420 R08: dffffc0000000000 R09: 1ffffffff203d21a
R10: dffffc0000000000 R11: fffffbfff203d21b R12: ffffffff8c3ef360
R13: 1ffff920005f5e6c R14: 0000000000000246 R15: dffffc0000000000
fs_reclaim_acquire+0x91/0x100 mm/page_alloc.c:4597
prepare_alloc_pages+0x156/0x5b0 mm/page_alloc.c:5272
__alloc_pages+0x11b/0x480 mm/page_alloc.c:5490
__pte_alloc_one include/asm-generic/pgalloc.h:63 [inline]
pte_alloc_one+0x7b/0x310 arch/x86/mm/pgtable.c:33
__pte_alloc+0x21/0x150 mm/memory.c:439
copy_pte_range mm/memory.c:1032 [inline]
copy_pmd_range mm/memory.c:1167 [inline]
copy_pud_range mm/memory.c:1204 [inline]
copy_p4d_range mm/memory.c:1228 [inline]
copy_page_range+0x2ab2/0x32c0 mm/memory.c:1301
dup_mmap kernel/fork.c:616 [inline]
dup_mm kernel/fork.c:1467 [inline]
copy_mm+0xc61/0x13d0 kernel/fork.c:1519
copy_process+0x17fb/0x3ec0 kernel/fork.c:2291
kernel_clone+0x23f/0x990 kernel/fork.c:2681
__do_sys_clone kernel/fork.c:2798 [inline]
__se_sys_clone kernel/fork.c:2782 [inline]
__x64_sys_clone+0x19a/0x210 kernel/fork.c:2782
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9db442d912
Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffc2a0573a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffc2a0573a0 RCX: 00007f9db442d912
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffc2a05752c R08: 0000000000000000 R09: 0000000000000000
R10: 0000555585a407d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 0000000000011d26 R15: 00007ffc2a057580
----------------
Code disassembly (best guess):
0: f7 84 24 80 00 00 00 testl $0x200,0x80(%rsp)
7: 00 02 00 00
b: 43 c6 44 3d 04 f8 movb $0xf8,0x4(%r13,%r15,1)
11: 0f 85 f1 00 00 00 jne 0x108
17: 41 f7 c6 00 02 00 00 test $0x200,%r14d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 60 0e 36 movq $0x45e0360e,0x60(%rsp)
28: e0 45
* 2a: 4b c7 44 3d 00 00 00 movq $0x0,0x0(%r13,%r15,1) <-- trapping instruction
31: 00 00
33: 43 c7 44 3d 08 00 00 movl $0x0,0x8(%r13,%r15,1)
3a: 00 00
3c: 65 gs
3d: 48 rex.W
3e: 8b .byte 0x8b
3f: 04 .byte 0x4
final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4321 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 4321 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d 9b d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 10 98 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000006ce8 EFLAGS: 00010246
RAX: ffffffff81a05a90 RBX: 0000000000000000 RCX: ffff88802b388000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc90000007117 R09: ffffc900000070e4
R10: dffffc0000000000 R11: fffff52000000e23 R12: ffff88802b389788
R13: ffffc9000113b030 R14: ffffc90000006d48 R15: 0000000000000000
FS: 0000555585a40500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9db51bc6b8 CR3: 000000007dbfe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_f2594087b0f175cc+0x32/0xb24
bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
bpf_prog_run_pin_on_cpu include/linux/filter.h:652 [inline]
bpf_flow_dissect+0x12b/0x3e0 net/core/flow_dissector.c:896
__skb_flow_dissect+0x7cc/0x6180 net/core/flow_dissector.c:1029
skb_flow_dissect_flow_keys include/linux/skbuff.h:1390 [inline]
___skb_get_hash+0x55/0x680 net/core/flow_dissector.c:1638
__skb_get_hash+0xd2/0x270 net/core/flow_dissector.c:1703
skb_get_hash include/linux/skbuff.h:1432 [inline]
skb_tx_hash net/core/dev.c:3256 [inline]
netdev_pick_tx+0x335/0xad0 net/core/dev.c:4153
netdev_core_pick_tx+0x141/0x300 net/core/dev.c:4186
__dev_queue_xmit+0x797/0x2e50 net/core/dev.c:4261
neigh_output include/net/neighbour.h:509 [inline]
ip6_finish_output2+0x108b/0x1530 net/ipv6/ip6_output.c:130
dst_output include/net/dst.h:452 [inline]
NF_HOOK include/linux/netfilter.h:302 [inline]
ndisc_send_skb+0xb7a/0x1410 net/ipv6/ndisc.c:513
addrconf_rs_timer+0x367/0x640 net/ipv6/addrconf.c:3959
call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
expire_timers kernel/time/timer.c:1699 [inline]
__run_timers+0x56c/0x810 kernel/time/timer.c:1970
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
handle_softirqs+0x336/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_acquire+0x208/0x400 kernel/locking/lockdep.c:5627
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f1 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90002faf300 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1c399c7f24965d00
RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: ffffffff8a7a2a40
RBP: ffffc90002faf420 R08: dffffc0000000000 R09: 1ffffffff203d21a
R10: dffffc0000000000 R11: fffffbfff203d21b R12: ffffffff8c3ef360
R13: 1ffff920005f5e6c R14: 0000000000000246 R15: dffffc0000000000
fs_reclaim_acquire+0x91/0x100 mm/page_alloc.c:4597
prepare_alloc_pages+0x156/0x5b0 mm/page_alloc.c:5272
__alloc_pages+0x11b/0x480 mm/page_alloc.c:5490
__pte_alloc_one include/asm-generic/pgalloc.h:63 [inline]
pte_alloc_one+0x7b/0x310 arch/x86/mm/pgtable.c:33
__pte_alloc+0x21/0x150 mm/memory.c:439
copy_pte_range mm/memory.c:1032 [inline]
copy_pmd_range mm/memory.c:1167 [inline]
copy_pud_range mm/memory.c:1204 [inline]
copy_p4d_range mm/memory.c:1228 [inline]
copy_page_range+0x2ab2/0x32c0 mm/memory.c:1301
dup_mmap kernel/fork.c:616 [inline]
dup_mm kernel/fork.c:1467 [inline]
copy_mm+0xc61/0x13d0 kernel/fork.c:1519
copy_process+0x17fb/0x3ec0 kernel/fork.c:2291
kernel_clone+0x23f/0x990 kernel/fork.c:2681
__do_sys_clone kernel/fork.c:2798 [inline]
__se_sys_clone kernel/fork.c:2782 [inline]
__x64_sys_clone+0x19a/0x210 kernel/fork.c:2782
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9db442d912
Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffc2a0573a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffc2a0573a0 RCX: 00007f9db442d912
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffc2a05752c R08: 0000000000000000 R09: 0000000000000000
R10: 0000555585a407d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 0000000000011d26 R15: 00007ffc2a057580
----------------
Code disassembly (best guess):
0: f7 84 24 80 00 00 00 testl $0x200,0x80(%rsp)
7: 00 02 00 00
b: 43 c6 44 3d 04 f8 movb $0xf8,0x4(%r13,%r15,1)
11: 0f 85 f1 00 00 00 jne 0x108
17: 41 f7 c6 00 02 00 00 test $0x200,%r14d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 60 0e 36 movq $0x45e0360e,0x60(%rsp)
28: e0 45
* 2a: 4b c7 44 3d 00 00 00 movq $0x0,0x0(%r13,%r15,1) <-- trapping instruction
31: 00 00
33: 43 c7 44 3d 08 00 00 movl $0x0,0x8(%r13,%r15,1)
3a: 00 00
3c: 65 gs
3d: 48 rex.W
3e: 8b .byte 0x8b
3f: 04 .byte 0x4