Extracting prog: 7m1.034074038s
Minimizing prog: 1h0m50.400573099s
Simplifying prog options: 9m51.052448413s
Extracting C: 5m13.228117356s
Simplifying C: 0s


extracting reproducer from 30 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices-socket$kcm-write$cgroup_subtree-openat$cgroup-recvmsg-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$kcm
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)
r2 = socket$kcm(0x10, 0x400000002, 0x0)
write$cgroup_subtree(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="0007000042009103"], 0xfe33)
openat$cgroup(0xffffffffffffffff, &(0x7f0000000180)='syz1\x00', 0x200002, 0x0)
recvmsg(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000840)=""/4093, 0xffd}], 0x1}, 0x0)
r3 = socket$kcm(0x10, 0x3, 0x10)
r4 = socket$kcm(0x10, 0x400000002, 0x0)
sendmsg$inet(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)="1400000043007f029ea6b698e82966af5c0953a6", 0x14}], 0x1}, 0x0)
sendmsg$kcm(r3, &(0x7f0000000000)={0x0, 0xd18c9b25, &(0x7f0000000080)=[{&(0x7f0000000040)="e03f030033000b35d25a806c8c6f94f91724fc60100005000a000200053582c137153e37000c0680040002000a00", 0x33fe0}], 0x1}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 17 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices-socket$kcm-write$cgroup_subtree-openat$cgroup-recvmsg-socket$kcm-socket$kcm-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)
r2 = socket$kcm(0x10, 0x400000002, 0x0)
write$cgroup_subtree(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="0007000042009103"], 0xfe33)
openat$cgroup(0xffffffffffffffff, &(0x7f0000000180)='syz1\x00', 0x200002, 0x0)
recvmsg(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000840)=""/4093, 0xffd}], 0x1}, 0x0)
socket$kcm(0x10, 0x3, 0x10)
r3 = socket$kcm(0x10, 0x400000002, 0x0)
sendmsg$inet(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)="1400000043007f029ea6b698e82966af5c0953a6", 0x14}], 0x1}, 0x0)

program crashed: INFO: rcu detected stall in sock_write_iter
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices-socket$kcm-write$cgroup_subtree-openat$cgroup-recvmsg-socket$kcm-socket$kcm
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)
r2 = socket$kcm(0x10, 0x400000002, 0x0)
write$cgroup_subtree(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="0007000042009103"], 0xfe33)
openat$cgroup(0xffffffffffffffff, &(0x7f0000000180)='syz1\x00', 0x200002, 0x0)
recvmsg(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000840)=""/4093, 0xffd}], 0x1}, 0x0)
socket$kcm(0x10, 0x3, 0x10)
socket$kcm(0x10, 0x400000002, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices-socket$kcm-write$cgroup_subtree-openat$cgroup-recvmsg-socket$kcm
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)
r2 = socket$kcm(0x10, 0x400000002, 0x0)
write$cgroup_subtree(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="0007000042009103"], 0xfe33)
openat$cgroup(0xffffffffffffffff, &(0x7f0000000180)='syz1\x00', 0x200002, 0x0)
recvmsg(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000840)=""/4093, 0xffd}], 0x1}, 0x0)
socket$kcm(0x10, 0x3, 0x10)

program crashed: INFO: rcu detected stall in sys_recvmsg
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices-socket$kcm-write$cgroup_subtree-openat$cgroup-recvmsg
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)
r2 = socket$kcm(0x10, 0x400000002, 0x0)
write$cgroup_subtree(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="0007000042009103"], 0xfe33)
openat$cgroup(0xffffffffffffffff, &(0x7f0000000180)='syz1\x00', 0x200002, 0x0)
recvmsg(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000840)=""/4093, 0xffd}], 0x1}, 0x0)

program crashed: INFO: rcu detected stall in futex
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices-socket$kcm-write$cgroup_subtree-openat$cgroup
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)
r2 = socket$kcm(0x10, 0x400000002, 0x0)
write$cgroup_subtree(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="0007000042009103"], 0xfe33)
openat$cgroup(0xffffffffffffffff, &(0x7f0000000180)='syz1\x00', 0x200002, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices-socket$kcm-write$cgroup_subtree
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)
r2 = socket$kcm(0x10, 0x400000002, 0x0)
write$cgroup_subtree(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="0007000042009103"], 0xfe33)

program crashed: INFO: rcu detected stall in futex
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices-socket$kcm
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)
socket$kcm(0x10, 0x400000002, 0x0)

program crashed: INFO: rcu detected stall in batadv_nc_worker
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix-write$cgroup_devices
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)
write$cgroup_devices(r0, &(0x7f00000005c0)=ANY=[], 0xfffffeff)

program crashed: INFO: rcu detected stall in futex
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix-recvmsg$unix
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
recvmsg$unix(r1, &(0x7f0000001140)={0x0, 0x2, &(0x7f0000001040)=[{&(0x7f00000015c0)=""/4096, 0x7ffff000}], 0x1, 0x0, 0x0, 0x808e}, 0x40000100)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close-socketpair$unix
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000001000))

program crashed: INFO: rcu detected stall in addrconf_rs_timer
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)
close(r0)

program crashed: INFO: rcu detected stall in tcp_delack_timer
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open-openat$cgroup_ro
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='devices.list\x00', 0x26e1, 0x0)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)
perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x4156, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x4, @perf_config_ext={0xfffffffffffffff8, 0x1}, 0x12640, 0x0, 0xfffffffe, 0x6, 0x5, 0x0, 0x0, 0x0, 0x9b0, 0x0, 0xfff}, 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in smp_call_function
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(&(0x7f0000000a00)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x1e37cf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x401, 0x200, 0x0, 0x7, 0x0, 0x100}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_config_ext={0x8, 0x4}, 0x24, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in perf_event_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open$cgroup(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in wb_workfn
a never seen crash title: INFO: rcu detected stall in wb_workfn, ignore
testing program (duration=6m0s, {Threaded:true 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$cgroup
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
reproducing took 1h35m56.161118056s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=27f/1/0x4000000000000002 softirq=23413/23414 fqs=2100 
	(detected by 1, t=10506 jiffies, g=27433, q=239544)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11527 Comm: syz.4.3542 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__kasan_check_read+0x0/0x10 mm/kasan/shadow.c:31
Code: 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 7b aa df 8b eb 0a 48 c7 c7 16 a3 c5 8b 48 89 de e8 28 78 f7 07 31 ed eb d7 00 00 cc cc <89> f6 48 8b 0c 24 31 d2 e9 43 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24
RSP: 0000:ffffc90005ee75e0 EFLAGS: 00000093
RAX: ffffffff8198547d RBX: ffff88802748e578 RCX: ffff888023c0d940
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802748e9e8
RBP: ffff88802748e9e8 R08: ffff888023c0d947 R09: 1ffff11004781b28
R10: dffffc0000000000 R11: ffffed1004781b29 R12: dffffc0000000000
R13: ffff88802748e578 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555590c1f500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cc63fff CR3: 000000005c153000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 __perf_event_overflow+0x41/0x550 kernel/events/core.c:9464
 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10047
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 f2 1f 9d 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0000:ffffc90005ee7ae0 EFLAGS: 00000206
RAX: 8913c941687b6800 RBX: 1ffff92000bdcf60 RCX: 8913c941687b6800
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a42c0
RBP: ffffc90005ee7ba8 R08: ffffffff901ef0c7 R09: 1ffffffff203de18
R10: dffffc0000000000 R11: fffffbfff203de19 R12: ffffffff8c323400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 do_set_pte+0x3c9/0x530 mm/memory.c:4069
 finish_fault+0x532/0x8c0 mm/memory.c:4143
 do_shared_fault mm/memory.c:4336 [inline]
 do_fault mm/memory.c:4396 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x21a0/0x4440 mm/memory.c:4883
 do_user_addr_fault+0x494/0xc90 arch/x86/mm/fault.c:1355
 handle_page_fault arch/x86/mm/fault.c:1443 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1496
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f6dfb4757f1
Code: 00 48 89 ef e8 40 52 ff ff 48 8b 05 89 ef ee 00 83 05 72 ef ee 00 01 be 08 00 00 00 48 89 ef 48 8d 50 ff 48 89 15 6f ef ee 00 <44> 88 78 ff 44 8b 3d 54 ef ee 00 e8 0f 52 ff ff 48 8b 05 60 ef ee
RSP: 002b:00007ffdb4199990 EFLAGS: 00010202
RAX: 0000001b2cc64000 RBX: 0000000000000000 RCX: 000000000003fde8
RDX: 0000001b2cc63fff RSI: 0000000000000008 RDI: 00007f6dfc364720
RBP: 00007f6dfc364720 R08: 0000000000000000 R09: 00007f6dfb835038
R10: 00007f6dfc364700 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
 </TASK>

report is corrupted, running repro again
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f0000000a40)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x800000, 0x80565, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_bp={0x0, 0x81b77b31f5f2a54a}, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000002}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x2)

program crashed: INFO: rcu detected stall in wb_workfn
final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=693/1/0x4000000000000002 softirq=35291/35298 fqs=951 
	(detected by 1, t=10502 jiffies, g=38833, q=54746)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18134 Comm: syz.0.6699 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:perf_tp_filter_match kernel/events/core.c:9986 [inline]
RIP: 0010:perf_tp_event_match kernel/events/core.c:10003 [inline]
RIP: 0010:perf_tp_event+0x2f3/0xbe0 kernel/events/core.c:10046
Code: 4d 8b bd e0 02 00 00 4d 85 ff 4d 0f 44 fd 49 81 c7 50 05 00 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 4c 89 ff e8 13 be 25 00 4d 8b 3f 4d 85 ff 75 6a e8 26 95 e0
RSP: 0000:ffffc9000310f640 EFLAGS: 00000046
RAX: 1ffff11004c2b99e RBX: ffff8880b90351a8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88802615ca80
RBP: ffffc9000310f8a8 R08: ffff88802be3bb87 R09: 1ffff110057c7770
R10: dffffc0000000000 R11: ffffed10057c7771 R12: 1ffff11017206a35
R13: ffff88802615c7a0 R14: 0000000000000000 R15: ffff88802615ccf0
FS:  000055558babb500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32163fff CR3: 000000005c701000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 f2 1f 9d 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0000:ffffc9000310fae0 EFLAGS: 00000206
RAX: e1beac15bd4e7100 RBX: 1ffff92000621f60 RCX: e1beac15bd4e7100
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a42c0
RBP: ffffc9000310fba8 R08: ffffffff901ef0c7 R09: 1ffffffff203de18
R10: dffffc0000000000 R11: fffffbfff203de19 R12: ffffffff8c323400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 do_set_pte+0x3c9/0x530 mm/memory.c:4069
 finish_fault+0x532/0x8c0 mm/memory.c:4143
 do_shared_fault mm/memory.c:4336 [inline]
 do_fault mm/memory.c:4396 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x21a0/0x4440 mm/memory.c:4883
 do_user_addr_fault+0x494/0xc90 arch/x86/mm/fault.c:1355
 handle_page_fault arch/x86/mm/fault.c:1443 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1496
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f8206aaf7f1
Code: 00 48 89 ef e8 40 52 ff ff 48 8b 05 89 ef ee 00 83 05 72 ef ee 00 01 be 08 00 00 00 48 89 ef 48 8d 50 ff 48 89 15 6f ef ee 00 <44> 88 78 ff 44 8b 3d 54 ef ee 00 e8 0f 52 ff ff 48 8b 05 60 ef ee
RSP: 002b:00007ffe14338c60 EFLAGS: 00010202
RAX: 0000001b32164000 RBX: 0000000000000000 RCX: 000000000003fde8
RDX: 0000001b32163fff RSI: 0000000000000008 RDI: 00007f820799e720
RBP: 00007f820799e720 R08: 0000000000000000 R09: 00007f8206e6f038
R10: 00007f820799e700 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
 </TASK>
rcu: rcu_preempt kthread starved for 8598 jiffies! g38833 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:25648 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11c3/0x4350 kernel/sched/core.c:6395
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2117
 rcu_gp_fqs_loop+0x2be/0x11f0 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x9a/0x370 kernel/rcu/tree.c:2145
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 1187 Comm: kworker/u4:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3a2/0x3d0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1cd/0x250 kernel/rcu/tree_stall.h:487
 print_other_cpu_stall+0x1110/0x1270 kernel/rcu/tree_stall.h:592
 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
 rcu_pending kernel/rcu/tree.c:3936 [inline]
 rcu_sched_clock_irq+0x845/0x1120 kernel/rcu/tree.c:2619
 update_process_times+0x193/0x200 kernel/time/timer.c:2021
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x159/0x1b0 arch/x86/kernel/kvm.c:918
Code: 89 df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 4b 0f b6 1f e8 e7 8e 4a 00 44 38 e3 75 10 66 90 0f 00 2d c9 e9 f3 08 fb f4 <e9> 16 ff ff ff fb e9 10 ff ff ff e8 17 aa 8b 08 89 f9 80 e1 07 38
RSP: 0018:ffffc900058c65a0 EFLAGS: 00000246
RAX: 38e4a4f4ee90aa00 RBX: 0000000000000003 RCX: 38e4a4f4ee90aa00
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a42c0
RBP: ffffc900058c6650 R08: ffffffff901ef0c7 R09: 1ffffffff203de18
R10: dffffc0000000000 R11: fffffbfff203de19 R12: 0000000000000003
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff92000b18cb4
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x605/0x9b0 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x265/0x2f0 kernel/locking/spinlock_debug.c:115
 page_vma_mapped_walk+0x13ee/0x16e0 mm/page_vma_mapped.c:-1
 page_mkclean_one+0x17d/0x3e0 mm/rmap.c:926
 rmap_walk_file+0x407/0x610 mm/rmap.c:2378
 rmap_walk mm/rmap.c:2396 [inline]
 page_mkclean+0x2f5/0x400 mm/rmap.c:1006
 clear_page_dirty_for_io+0x3f9/0x9f0 mm/page-writeback.c:2749
 mpage_submit_page+0x8a/0x210 fs/ext4/inode.c:2095
 mpage_process_page_bufs+0x6c6/0x8a0 fs/ext4/inode.c:2229
 mpage_prepare_extent_to_map+0xc48/0x1080 fs/ext4/inode.c:2657
 ext4_writepages+0x9bb/0x2d40 fs/ext4/inode.c:2785
 do_writepages+0x493/0x700 mm/page-writeback.c:2386
 __writeback_single_inode+0x153/0xda0 fs/fs-writeback.c:1657
 writeback_sb_inodes+0xaaa/0x1750 fs/fs-writeback.c:1940
 __writeback_inodes_wb+0x12a/0x3f0 fs/fs-writeback.c:2011
 wb_writeback+0x45e/0xbc0 fs/fs-writeback.c:2116
 wb_check_old_data_flush fs/fs-writeback.c:2216 [inline]
 wb_do_writeback fs/fs-writeback.c:2269 [inline]
 wb_workfn+0xb15/0xf20 fs/fs-writeback.c:2298
 process_one_work+0x867/0xff0 kernel/workqueue.c:2310
 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>