Extracting prog: 2m6.711930807s
Minimizing prog: 25m14.941502848s
Simplifying prog options: 0s
Extracting C: 34.152004496s
Simplifying C: 8m52.33724763s


extracting reproducer from 66 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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-socketpair$unix-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETLINK-bpf$MAP_LOOKUP_ELEM-sendmsg$kcm
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
r2 = socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r3=>0xffffffffffffffff})
r4 = bpf$MAP_CREATE(0x0, &(0x7f00000006c0)=ANY=[@ANYBLOB="12000000160000000800000002"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r4}, &(0x7f00000004c0), &(0x7f0000000100)=r3}, 0x20)
r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r5, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x1})
ioctl$TUNSETLINK(r5, 0x400454cd, 0x325)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r4, &(0x7f0000000300), 0x0}, 0x20)
sendmsg$kcm(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000400)="2e0000003a000511d25a80698c63940d0124fc602f6e35400c782c6fc41ec00037153e37a366000025581d00d160", 0x2e}], 0x1, 0x0, 0x0, 0x39c}, 0x0)

program crashed: WARNING: suspicious RCU usage in task_cls_state
single: successfully extracted reproducer
found reproducer with 13 syscalls
minimizing guilty program
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-socketpair$unix-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETLINK-bpf$MAP_LOOKUP_ELEM
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r2=>0xffffffffffffffff})
r3 = bpf$MAP_CREATE(0x0, &(0x7f00000006c0)=ANY=[@ANYBLOB="12000000160000000800000002"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r3}, &(0x7f00000004c0), &(0x7f0000000100)=r2}, 0x20)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x1})
ioctl$TUNSETLINK(r4, 0x400454cd, 0x325)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000080)={r3, &(0x7f0000000300), 0x0}, 0x20)

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-socketpair$unix-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-openat$tun-ioctl$TUNSETIFF-ioctl$TUNSETLINK
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r2=>0xffffffffffffffff})
r3 = bpf$MAP_CREATE(0x0, &(0x7f00000006c0)=ANY=[@ANYBLOB="12000000160000000800000002"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r3}, &(0x7f00000004c0), &(0x7f0000000100)=r2}, 0x20)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x1})
ioctl$TUNSETLINK(r4, 0x400454cd, 0x325)

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-socketpair$unix-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-openat$tun-ioctl$TUNSETIFF
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r2=>0xffffffffffffffff})
r3 = bpf$MAP_CREATE(0x0, &(0x7f00000006c0)=ANY=[@ANYBLOB="12000000160000000800000002"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r3}, &(0x7f00000004c0), &(0x7f0000000100)=r2}, 0x20)
r4 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r4, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x1})

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-socketpair$unix-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-openat$tun
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r2=>0xffffffffffffffff})
r3 = bpf$MAP_CREATE(0x0, &(0x7f00000006c0)=ANY=[@ANYBLOB="12000000160000000800000002"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r3}, &(0x7f00000004c0), &(0x7f0000000100)=r2}, 0x20)
openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-socketpair$unix-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={<r2=>0xffffffffffffffff})
r3 = bpf$MAP_CREATE(0x0, &(0x7f00000006c0)=ANY=[@ANYBLOB="12000000160000000800000002"], 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000140)={{r3}, &(0x7f00000004c0), &(0x7f0000000100)=r2}, 0x20)

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-socketpair$unix-bpf$MAP_CREATE
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000))
bpf$MAP_CREATE(0x0, &(0x7f00000006c0)=ANY=[@ANYBLOB="12000000160000000800000002"], 0x48)

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-socketpair$unix
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000))

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN-socket$kcm
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
socket$kcm(0x10, 0x2, 0x10)

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)

program crashed: WARNING: suspicious RCU usage in task_cls_state
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)

program did not crash
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)

program did not crash
testing program (duration=45.379139923s, {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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)

program did not crash
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, 0x0, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)

program did not crash
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)

program did not crash
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0x0, 0x0, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)

program did not crash
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)

program did not crash
testing program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
simplifying C reproducer
testing compiled C program (duration=45.379139923s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=45.379139923s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=45.379139923s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=45.379139923s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=45.379139923s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=45.379139923s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in corrupted
a never seen crash title: WARNING: suspicious RCU usage in corrupted, ignore
reproducing took 36m48.142719484s
repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
6.15.0-rc4-syzkaller-g079e5c56a5c4 #0 Not tainted
-----------------------------
net/core/netclassid_cgroup.c:24 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor526/5834:
 #0: ffffffff8df3ba40 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #0: ffffffff8df3ba40 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x38/0x80 include/linux/rcupdate_trace.h:58

stack backtrace:
CPU: 1 UID: 0 PID: 5834 Comm: syz-executor526 Not tainted 6.15.0-rc4-syzkaller-g079e5c56a5c4 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6865
 task_cls_state+0x1a5/0x1d0 net/core/netclassid_cgroup.c:23
 __task_get_classid include/net/cls_cgroup.h:50 [inline]
 ____bpf_get_cgroup_classid_curr net/core/filter.c:3086 [inline]
 bpf_get_cgroup_classid_curr+0x18/0x60 net/core/filter.c:3084
 bpf_prog_83da9cb0e78d4768+0x2c/0x5a
 bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run include/linux/filter.h:725 [inline]
 bpf_prog_run_pin_on_cpu+0x67/0x150 include/linux/filter.h:742
 bpf_prog_test_run_syscall+0x312/0x4b0 net/bpf/test_run.c:1564
 bpf_prog_test_run+0x2a9/0x340 kernel/bpf/syscall.c:4429
 __sys_bpf+0x4a4/0x860 kernel/bpf/syscall.c:5854
 __do_sys_bpf kernel/bpf/syscall.c:5943 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5941 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5941
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f559858f999
Code: 48 83 c4 28 c3 e8 37 17 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:00007fffaf3594d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX

final repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
6.15.0-rc4-syzkaller-g079e5c56a5c4 #0 Not tainted
-----------------------------
net/core/netclassid_cgroup.c:24 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor526/5834:
 #0: ffffffff8df3ba40 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #0: ffffffff8df3ba40 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x38/0x80 include/linux/rcupdate_trace.h:58

stack backtrace:
CPU: 1 UID: 0 PID: 5834 Comm: syz-executor526 Not tainted 6.15.0-rc4-syzkaller-g079e5c56a5c4 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6865
 task_cls_state+0x1a5/0x1d0 net/core/netclassid_cgroup.c:23
 __task_get_classid include/net/cls_cgroup.h:50 [inline]
 ____bpf_get_cgroup_classid_curr net/core/filter.c:3086 [inline]
 bpf_get_cgroup_classid_curr+0x18/0x60 net/core/filter.c:3084
 bpf_prog_83da9cb0e78d4768+0x2c/0x5a
 bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run include/linux/filter.h:725 [inline]
 bpf_prog_run_pin_on_cpu+0x67/0x150 include/linux/filter.h:742
 bpf_prog_test_run_syscall+0x312/0x4b0 net/bpf/test_run.c:1564
 bpf_prog_test_run+0x2a9/0x340 kernel/bpf/syscall.c:4429
 __sys_bpf+0x4a4/0x860 kernel/bpf/syscall.c:5854
 __do_sys_bpf kernel/bpf/syscall.c:5943 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5941 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5941
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f559858f999
Code: 48 83 c4 28 c3 e8 37 17 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:00007fffaf3594d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX