Extracting prog: 4m7.154355641s
Minimizing prog: 1h48m53.946700179s
Simplifying prog options: 0s
Extracting C: 2m41.945620562s
Simplifying C: 55m51.90217852s


extracting reproducer from 70 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP-perf_event_open-ioctl$PERF_EVENT_IOC_SET_BPF-socket$kcm-socket$kcm-ioctl$sock_kcm_SIOCKCMATTACH-perf_event_open-socketpair$nbd-sendmsg$tipc
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)
r3 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, 0xffffffffffffffff)
r4 = socket$kcm(0x2, 0x1, 0x0)
r5 = socket$kcm(0x29, 0x2, 0x0)
ioctl$sock_kcm_SIOCKCMATTACH(r5, 0x8983, &(0x7f0000000040)={r4})
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))
sendmsg$tipc(0xffffffffffffffff, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 30 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP-perf_event_open-ioctl$PERF_EVENT_IOC_SET_BPF-socket$kcm-socket$kcm-ioctl$sock_kcm_SIOCKCMATTACH-perf_event_open-socketpair$nbd
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)
r3 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, 0xffffffffffffffff)
r4 = socket$kcm(0x2, 0x1, 0x0)
r5 = socket$kcm(0x29, 0x2, 0x0)
ioctl$sock_kcm_SIOCKCMATTACH(r5, 0x8983, &(0x7f0000000040)={r4})
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP-perf_event_open-ioctl$PERF_EVENT_IOC_SET_BPF-socket$kcm-socket$kcm-ioctl$sock_kcm_SIOCKCMATTACH-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)
r3 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, 0xffffffffffffffff)
r4 = socket$kcm(0x2, 0x1, 0x0)
r5 = socket$kcm(0x29, 0x2, 0x0)
ioctl$sock_kcm_SIOCKCMATTACH(r5, 0x8983, &(0x7f0000000040)={r4})
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)

program crashed: INFO: rcu detected stall in sys_bpf
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP-perf_event_open-ioctl$PERF_EVENT_IOC_SET_BPF-socket$kcm-socket$kcm-ioctl$sock_kcm_SIOCKCMATTACH
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)
r3 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, 0xffffffffffffffff)
r4 = socket$kcm(0x2, 0x1, 0x0)
r5 = socket$kcm(0x29, 0x2, 0x0)
ioctl$sock_kcm_SIOCKCMATTACH(r5, 0x8983, &(0x7f0000000040)={r4})

program crashed: INFO: rcu detected stall in security_file_ioctl
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP-perf_event_open-ioctl$PERF_EVENT_IOC_SET_BPF-socket$kcm-socket$kcm
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)
r3 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, 0xffffffffffffffff)
socket$kcm(0x2, 0x1, 0x0)
socket$kcm(0x29, 0x2, 0x0)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP-perf_event_open-ioctl$PERF_EVENT_IOC_SET_BPF-socket$kcm
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)
r3 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, 0xffffffffffffffff)
socket$kcm(0x2, 0x1, 0x0)

program crashed: INFO: rcu detected stall in sys_bpf
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP-perf_event_open-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)
r3 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, 0xffffffffffffffff)

program crashed: INFO: rcu detected stall in sys_bpf
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS-bpf$OBJ_GET_MAP
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)
bpf$OBJ_GET_MAP(0x7, 0x0, 0x0)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open-bpf$ENABLE_STATS
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$ENABLE_STATS(0x20, 0x0, 0x0)

program crashed: INFO: rcu detected stall in sys_bpf
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x100904}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)

program crashed: INFO: rcu detected stall in futex
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext={0x0, 0x1946}, 0x0, 0x0, 0x0, 0x4, 0x3fe, 0x7fffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)

program crashed: INFO: rcu detected stall in sys_bpf
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM-bpf$OBJ_GET_MAP
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
r2 = perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)
bpf$OBJ_GET_MAP(0x7, &(0x7f0000001480)=@o_path={0x0, 0x0, 0x4008, r2}, 0x18)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open-bpf$MAP_LOOKUP_ELEM
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000480)={0x1, &(0x7f00000011c0), &(0x7f0000000380)=""/7, 0x4}, 0x20)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-socket$kcm
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
socket$kcm(0x2, 0x3, 0x2)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-bpf$BPF_PROG_ATTACH-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000e00)=ANY=[@ANYRES32, @ANYBLOB="2200000002"], 0x20)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-bpf$MAP_UPDATE_ELEM_TAIL_CALL-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-syz_clone-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
syz_clone(0x4000000, 0x0, 0x0, 0x0, 0x0, 0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-openat$cgroup_procs-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.procs\x00', 0x2, 0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-syz_clone-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
syz_clone(0x80001000, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-sendmsg$kcm-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r1 = socket$kcm(0x10, 0x3, 0x10)
sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0xffffff0a, &(0x7f0000000080)=[{&(0x7f0000000040)="c018030031000b12d25a80648c2594f90124fc603406034002200600053582c137153e370248078000f01700d1bd", 0x33fe0}], 0x1}, 0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-socket$kcm-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
socket$kcm(0x10, 0x3, 0x10)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_int-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_int(r0, &(0x7f0000000800)='cpuset.mems\x00', 0x2, 0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-openat$cgroup_root-perf_event_open-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-mkdirat$cgroup_root-perf_event_open-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-perf_event_open-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000002100)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0xa0100, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x6}, 0x10, 0x0, 0x80000003, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-bpf$PROG_LOAD-perf_event_open-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x7, 0x6, &(0x7f0000000000)=ANY=[@ANYBLOB="05000000000000007111ae00000000008510000002000000850000000500000095000000000000009500a50500000000"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x6}, 0x70)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-perf_event_open-perf_event_open
detailed listing:
executing program 0:
socket$kcm(0x10, 0x2, 0x10)
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open
detailed listing:
executing program 0:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in perf_event_open
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in perf_event_open
testing compiled C program (duration=6m0s, {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}}): perf_event_open-perf_event_open
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in irqentry_exit
a never seen crash title: INFO: rcu detected stall in irqentry_exit, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in perf_event_open
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in irqentry_exit
a never seen crash title: INFO: rcu detected stall in irqentry_exit, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in irqentry_exit
a never seen crash title: INFO: rcu detected stall in irqentry_exit, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in close
a never seen crash title: INFO: rcu detected stall in close, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true 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}}): perf_event_open-perf_event_open
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in irqentry_exit
a never seen crash title: INFO: rcu detected stall in irqentry_exit, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in smp_call_function
a never seen crash title: INFO: rcu detected stall in smp_call_function, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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}}): perf_event_open-perf_event_open
program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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}}): perf_event_open-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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}}): perf_event_open-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in sys_close_range
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true 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}}): perf_event_open-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x2, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x8, 0x830d}, 0x104000, 0x2, 0xfffffffe, 0x6, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
validation run: crashed=true
reproducing took 2h58m59.488997641s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (4 ticks this GP) idle=1604/1/0x4000000000000000 softirq=13664/13665 fqs=5247
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number: 13093390          0            0
rcu: 	cputime:     5589      46937            0   ==> 52510(ms)
rcu: 	(detected by 0, t=10502 jiffies, g=10245, q=3222 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6125 Comm: syz.0.154 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:match_held_lock+0xc/0xb0 kernel/locking/lockdep.c:5203
Code: c7 c6 a0 b8 aa 8a e8 83 be e2 f6 0f 0b eb b6 e8 ba f9 ff ff 66 2e 0f 1f 84 00 00 00 00 00 b9 01 00 00 00 48 39 77 10 74 6c 53 <81> 7f 20 00 00 20 00 72 5f 48 8b 46 08 48 85 c0 75 17 48 89 fb 48
RSP: 0018:ffffc900001efc68 EFLAGS: 00000006
RAX: 0000000000000009 RBX: ffff88802c9fbc00 RCX: 0000000000000001
RDX: ffff88802c9fbc00 RSI: ffffffff8cd2fbe0 RDI: ffff88802c9fc758
RBP: 00000000ffffffff R08: dffffc0000000000 R09: 1ffffffff21b46a0
R10: dffffc0000000000 R11: fffffbfff21b46a1 R12: 0000000000000003
R13: 0000000000000046 R14: ffffffff8cd2fbe0 R15: ffff88802c9fc758
FS:  0000555587b5c500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d763fff CR3: 000000007c25c000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 __lock_is_held kernel/locking/lockdep.c:5495 [inline]
 lock_is_held_type+0xaa/0x190 kernel/locking/lockdep.c:5825
 __perf_output_begin kernel/events/ring_buffer.c:170 [inline]
 perf_output_begin_forward+0x1a8/0xa20 kernel/events/ring_buffer.c:273
 __perf_event_output kernel/events/core.c:7974 [inline]
 perf_event_output_forward+0x22b/0x3a0 kernel/events/core.c:7992
 __perf_event_overflow+0x447/0x630 kernel/events/core.c:9717
 perf_swevent_overflow kernel/events/core.c:9793 [inline]
 perf_swevent_event+0x2f5/0x5c0 kernel/events/core.c:-1
 perf_tp_event+0x4f9/0x13a0 kernel/events/core.c:10343
 perf_trace_run_bpf_submit+0xf4/0x1c0 kernel/events/core.c:10267
 perf_trace_preemptirq_template+0x281/0x340 include/trace/events/preemptirq.h:14
 trace_irq_enable+0xbf/0xe0 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:rcu_read_unlock_special+0x88/0x4c0 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 39 58 93 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900001f0500 EFLAGS: 00000206
RAX: 2faca621a8eac400 RBX: 1ffff9200003e0a8 RCX: 2faca621a8eac400
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc900001f0600 R08: ffffffff90da35c7 R09: 1ffffffff21b46b8
R10: dffffc0000000000 R11: fffffbfff21b46b9 R12: ffffffff8cd35400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:818 [inline]
 dev_queue_xmit_nit+0xa84/0xbb0 net/core/dev.c:2376
 xmit_one net/core/dev.c:3603 [inline]
 dev_hard_start_xmit+0x148/0x740 net/core/dev.c:3623
 sch_direct_xmit+0x252/0x4a0 net/sched/sch_generic.c:342
 __dev_xmit_skb net/core/dev.c:3844 [inline]
 __dev_queue_xmit+0x173e/0x35a0 net/core/dev.c:4379
 lapb_data_transmit+0x8a/0xa0 net/lapb/lapb_iface.c:447
 lapb_transmit_buffer+0x163/0x200 net/lapb/lapb_out.c:149
 lapb_t1timer_expiry+0x699/0xab0 net/lapb/lapb_timer.c:-1
 call_timer_fn+0x16e/0x530 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x52d/0x7d0 kernel/time/timer.c:2022
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:lock_acquire+0x1f2/0x410 kernel/locking/lockdep.c:5758
Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00
RSP: 0018:ffffc9000430fac0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 2faca621a8eac400
RDX: 0000000000000000 RSI: ffffffff8aaacb40 RDI: ffffffff8afc66c0
RBP: ffffc9000430fbc8 R08: dffffc0000000000 R09: 1ffffffff21b46a8
R10: dffffc0000000000 R11: fffffbfff21b46a9 R12: 1ffff92000861f64
R13: ffff88802c9fd090 R14: 0000000000000246 R15: dffffc0000000000
 __mutex_lock_common kernel/locking/mutex.c:603 [inline]
 __mutex_lock+0x129/0xcc0 kernel/locking/mutex.c:747
 __do_sys_perf_event_open kernel/events/core.c:12924 [inline]
 __se_sys_perf_event_open+0x1878/0x1c20 kernel/events/core.c:12566
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4c0b78ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd92c43b08 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f4c0b9b5fa0 RCX: 00007f4c0b78ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007f4c0b811e19 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4c0b9b5fa0 R14: 00007f4c0b9b5fa0 R15: 0000000000000005
 </TASK>

final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (4 ticks this GP) idle=1604/1/0x4000000000000000 softirq=13664/13665 fqs=5247
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number: 13093390          0            0
rcu: 	cputime:     5589      46937            0   ==> 52510(ms)
rcu: 	(detected by 0, t=10502 jiffies, g=10245, q=3222 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6125 Comm: syz.0.154 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:match_held_lock+0xc/0xb0 kernel/locking/lockdep.c:5203
Code: c7 c6 a0 b8 aa 8a e8 83 be e2 f6 0f 0b eb b6 e8 ba f9 ff ff 66 2e 0f 1f 84 00 00 00 00 00 b9 01 00 00 00 48 39 77 10 74 6c 53 <81> 7f 20 00 00 20 00 72 5f 48 8b 46 08 48 85 c0 75 17 48 89 fb 48
RSP: 0018:ffffc900001efc68 EFLAGS: 00000006
RAX: 0000000000000009 RBX: ffff88802c9fbc00 RCX: 0000000000000001
RDX: ffff88802c9fbc00 RSI: ffffffff8cd2fbe0 RDI: ffff88802c9fc758
RBP: 00000000ffffffff R08: dffffc0000000000 R09: 1ffffffff21b46a0
R10: dffffc0000000000 R11: fffffbfff21b46a1 R12: 0000000000000003
R13: 0000000000000046 R14: ffffffff8cd2fbe0 R15: ffff88802c9fc758
FS:  0000555587b5c500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d763fff CR3: 000000007c25c000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 __lock_is_held kernel/locking/lockdep.c:5495 [inline]
 lock_is_held_type+0xaa/0x190 kernel/locking/lockdep.c:5825
 __perf_output_begin kernel/events/ring_buffer.c:170 [inline]
 perf_output_begin_forward+0x1a8/0xa20 kernel/events/ring_buffer.c:273
 __perf_event_output kernel/events/core.c:7974 [inline]
 perf_event_output_forward+0x22b/0x3a0 kernel/events/core.c:7992
 __perf_event_overflow+0x447/0x630 kernel/events/core.c:9717
 perf_swevent_overflow kernel/events/core.c:9793 [inline]
 perf_swevent_event+0x2f5/0x5c0 kernel/events/core.c:-1
 perf_tp_event+0x4f9/0x13a0 kernel/events/core.c:10343
 perf_trace_run_bpf_submit+0xf4/0x1c0 kernel/events/core.c:10267
 perf_trace_preemptirq_template+0x281/0x340 include/trace/events/preemptirq.h:14
 trace_irq_enable+0xbf/0xe0 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:rcu_read_unlock_special+0x88/0x4c0 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 39 58 93 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900001f0500 EFLAGS: 00000206
RAX: 2faca621a8eac400 RBX: 1ffff9200003e0a8 RCX: 2faca621a8eac400
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc900001f0600 R08: ffffffff90da35c7 R09: 1ffffffff21b46b8
R10: dffffc0000000000 R11: fffffbfff21b46b9 R12: ffffffff8cd35400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:818 [inline]
 dev_queue_xmit_nit+0xa84/0xbb0 net/core/dev.c:2376
 xmit_one net/core/dev.c:3603 [inline]
 dev_hard_start_xmit+0x148/0x740 net/core/dev.c:3623
 sch_direct_xmit+0x252/0x4a0 net/sched/sch_generic.c:342
 __dev_xmit_skb net/core/dev.c:3844 [inline]
 __dev_queue_xmit+0x173e/0x35a0 net/core/dev.c:4379
 lapb_data_transmit+0x8a/0xa0 net/lapb/lapb_iface.c:447
 lapb_transmit_buffer+0x163/0x200 net/lapb/lapb_out.c:149
 lapb_t1timer_expiry+0x699/0xab0 net/lapb/lapb_timer.c:-1
 call_timer_fn+0x16e/0x530 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x52d/0x7d0 kernel/time/timer.c:2022
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:lock_acquire+0x1f2/0x410 kernel/locking/lockdep.c:5758
Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00
RSP: 0018:ffffc9000430fac0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 2faca621a8eac400
RDX: 0000000000000000 RSI: ffffffff8aaacb40 RDI: ffffffff8afc66c0
RBP: ffffc9000430fbc8 R08: dffffc0000000000 R09: 1ffffffff21b46a8
R10: dffffc0000000000 R11: fffffbfff21b46a9 R12: 1ffff92000861f64
R13: ffff88802c9fd090 R14: 0000000000000246 R15: dffffc0000000000
 __mutex_lock_common kernel/locking/mutex.c:603 [inline]
 __mutex_lock+0x129/0xcc0 kernel/locking/mutex.c:747
 __do_sys_perf_event_open kernel/events/core.c:12924 [inline]
 __se_sys_perf_event_open+0x1878/0x1c20 kernel/events/core.c:12566
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4c0b78ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd92c43b08 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f4c0b9b5fa0 RCX: 00007f4c0b78ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007f4c0b811e19 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4c0b9b5fa0 R14: 00007f4c0b9b5fa0 R15: 0000000000000005
 </TASK>