Extracting prog: 7m2.640527371s
Minimizing prog: 1h3m49.961055958s
Simplifying prog options: 12m12.228639097s
Extracting C: 5m13.03572695s
Simplifying C: 0s


extracting reproducer from 56 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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ppp-ioctl$TUNSETOFFLOAD-perf_event_open-bpf$PROG_LOAD-bpf$ITER_CREATE-recvmsg$kcm-bpf$BPF_PROG_TEST_RUN-syz_clone
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
r0 = getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r2 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38)
r3 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r2}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r1}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r3}, 0x10)
r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$TUNSETOFFLOAD(r4, 0x40047438, 0x20000014)
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x482, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x2, @perf_bp={0x0}}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x3, 0x5, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0xa0}, @call={0x85, 0x0, 0x0, 0x23}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x1, '\x00', 0x0, @sched_cls=0x36, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r6 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8)
recvmsg$kcm(r6, &(0x7f00000006c0)={&(0x7f00000005c0)=@nfc_llcp, 0x80, &(0x7f0000000440)=[{&(0x7f0000000380)=""/41, 0x29}, {&(0x7f0000000640)=""/122, 0x7a}], 0x2, &(0x7f0000000740)=""/185, 0xb9}, 0x2021)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r5, 0x18000000000002a0, 0xe, 0x0, &(0x7f0000000040)="b9ff03316844268cb89614f086dd", 0x0, 0x409, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)
syz_clone(0x8004000, &(0x7f00000004c0)="22eb2333ffb3ae91480e4db99bb3bf1e3f0007861633937c7127be797758e214a9887d2e96673c6e805c95e5c2646db93d959ed2105b9799bd282a8765b1bcba1247a28b326b9867f92519d0b8cc6f860c9841a9123e004e6c0d3ababa5895f2734db7eadf374514cf26731e238f2a6e07e76fe991bbf5d8e00767ab7bf1cc82d83643d3570481509ac125bab75827bf64cb24cf9330aaaaa0a47efcd7aef2a3e3a9ff9e8c845e296f8f4345ba621acf0008c6367b9ea4b05823a8415cbecfccf5cf", 0xc2, 0x0, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
program crashed: INFO: rcu detected stall in sys_bpf
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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ppp-ioctl$TUNSETOFFLOAD-perf_event_open-bpf$PROG_LOAD-bpf$ITER_CREATE-recvmsg$kcm-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
r0 = getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r2 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38)
r3 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r2}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r1}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r3}, 0x10)
r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$TUNSETOFFLOAD(r4, 0x40047438, 0x20000014)
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x482, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x2, @perf_bp={0x0}}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x3, 0x5, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0xa0}, @call={0x85, 0x0, 0x0, 0x23}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x1, '\x00', 0x0, @sched_cls=0x36, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r6 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8)
recvmsg$kcm(r6, &(0x7f00000006c0)={&(0x7f00000005c0)=@nfc_llcp, 0x80, &(0x7f0000000440)=[{&(0x7f0000000380)=""/41, 0x29}, {&(0x7f0000000640)=""/122, 0x7a}], 0x2, &(0x7f0000000740)=""/185, 0xb9}, 0x2021)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r5, 0x18000000000002a0, 0xe, 0x0, &(0x7f0000000040)="b9ff03316844268cb89614f086dd", 0x0, 0x409, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50)

program crashed: INFO: rcu detected stall in security_file_free
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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ppp-ioctl$TUNSETOFFLOAD-perf_event_open-bpf$PROG_LOAD-bpf$ITER_CREATE-recvmsg$kcm
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
r0 = getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r2 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38)
r3 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r2}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r1}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r3}, 0x10)
r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$TUNSETOFFLOAD(r4, 0x40047438, 0x20000014)
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x482, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x2, @perf_bp={0x0}}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x3, 0x5, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0xa0}, @call={0x85, 0x0, 0x0, 0x23}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x1, '\x00', 0x0, @sched_cls=0x36, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r5 = bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8)
recvmsg$kcm(r5, &(0x7f00000006c0)={&(0x7f00000005c0)=@nfc_llcp, 0x80, &(0x7f0000000440)=[{&(0x7f0000000380)=""/41, 0x29}, {&(0x7f0000000640)=""/122, 0x7a}], 0x2, &(0x7f0000000740)=""/185, 0xb9}, 0x2021)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ppp-ioctl$TUNSETOFFLOAD-perf_event_open-bpf$PROG_LOAD-bpf$ITER_CREATE
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
r0 = getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r2 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38)
r3 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r2}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r1}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r3}, 0x10)
r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$TUNSETOFFLOAD(r4, 0x40047438, 0x20000014)
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x482, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x2, @perf_bp={0x0}}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x3, 0x5, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0xa0}, @call={0x85, 0x0, 0x0, 0x23}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x1, '\x00', 0x0, @sched_cls=0x36, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$ITER_CREATE(0x21, &(0x7f0000000340), 0x8)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ppp-ioctl$TUNSETOFFLOAD-perf_event_open-bpf$PROG_LOAD
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
r0 = getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r2 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38)
r3 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r2}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r1}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r3}, 0x10)
r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$TUNSETOFFLOAD(r4, 0x40047438, 0x20000014)
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x482, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x2, @perf_bp={0x0}}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x3, 0x5, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0xa0}, @call={0x85, 0x0, 0x0, 0x23}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x1, '\x00', 0x0, @sched_cls=0x36, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ppp-ioctl$TUNSETOFFLOAD-perf_event_open
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
r0 = getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r2 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38)
r3 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r2}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r1}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r3}, 0x10)
r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$TUNSETOFFLOAD(r4, 0x40047438, 0x20000014)
perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x482, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x2, @perf_bp={0x0}}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ppp-ioctl$TUNSETOFFLOAD
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r1}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r0}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r2}, 0x10)
r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$TUNSETOFFLOAD(r3, 0x40047438, 0x20000014)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$ppp
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r1}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r0}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r2}, 0x10)
openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38)
r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r1}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r0}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='tlb_flush\x00', r2}, 0x10)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH-bpf$PROG_LOAD
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r1 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38)
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0x10, &(0x7f0000000180)=@framed={{0x18, 0x0, 0x0, 0x0, 0x20}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r1}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}, @ringbuf_query={{0x18, 0x1, 0x1, 0x0, r0}}]}, &(0x7f0000000700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x1a, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)
bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r0}, 0x38)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE-bpf$MAP_CREATE
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)
bpf$MAP_CREATE(0x0, &(0x7f00000003c0)=@base={0xb, 0x8, 0xc, 0x80000000, 0x1}, 0x50)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$MAP_CREATE
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE_TAIL_CALL
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="0300"], 0x50)

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}}): openat$tun-getpid-perf_event_open$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)

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}}): openat$tun-getpid-bpf$MAP_CREATE
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
getpid()
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)

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}}): openat$tun-perf_event_open$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8040, 0x0)
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)

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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)

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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0x1b, 0x0, 0x0, 0x8000}, 0x50)

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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
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$cgroup-bpf$MAP_CREATE
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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

program did not crash
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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
reproducing took 2h6m4.776645425s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=61b/1/0x4000000000000002 softirq=38445/38446 fqs=5249 
	(detected by 1, t=10502 jiffies, g=42337, q=1290)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18243 Comm: syz.0.6054 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:native_apic_msr_eoi_write+0xb/0x10 arch/x86/include/asm/apic.h:214
Code: 8b 06 bf f0 03 00 00 89 de 5b 41 5e 41 5f ff e0 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b9 0b 08 00 00 31 c0 31 d2 0f 30 <c3> 0f 1f 40 00 81 ff cf 00 00 00 7f 0c 83 ff 20 74 2a 83 ff 30 74
RSP: 0000:ffffc90000007fd8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff8bbc29c8 RCX: 000000000000080b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000b0
RBP: 0000000000000000 R08: ffffffff8eed2008 R09: ffffffff8eed2018
R10: ffffffff8eed2010 R11: ffffffff8eed2003 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  0000555556e3c500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32f63fff CR3: 000000005defa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 apic_eoi arch/x86/include/asm/apic.h:400 [inline]
 ack_APIC_irq arch/x86/include/asm/apic.h:446 [inline]
 __sysvec_irq_work+0x51/0x240 arch/x86/kernel/irq_work.c:19
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x98/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:674
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 ad 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0000:ffffc90005fdfac0 EFLAGS: 00000206
RAX: 18c76308ccec1e00 RBX: 1ffff92000bfbf5c RCX: 18c76308ccec1e00
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a4c0
RBP: ffffc90005fdfb98 R08: dffffc0000000000 R09: fffffbfff1ff7a19
R10: fffffbfff1ff7a19 R11: 1ffffffff1ff7a18 R12: ffffffff8c120b00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 do_set_pte+0x3c9/0x530 mm/memory.c:4069
 finish_fault+0x52e/0x8d0 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+0x2157/0x43c0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f97f9e761f1
Code: 65 5a ff ff 48 8b 05 86 45 eb 00 0f b6 4c 24 10 be 08 00 00 00 48 89 df 83 05 62 45 eb 00 01 48 8d 50 ff 48 89 15 67 45 eb 00 <88> 48 ff 8b 2d 4e 45 eb 00 e8 31 5a ff ff 48 8b 05 5a 45 eb 00 41
RSP: 002b:00007ffcc9ea1f60 EFLAGS: 00010202
RAX: 0000001b32f64000 RBX: 00007f97fad2a720 RCX: 0000000000000003
RDX: 0000001b32f63fff RSI: 0000000000000008 RDI: 00007f97fad2a720
RBP: 00007f97fa1fb038 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f97fad2a700 R11: 0000000000000001 R12: 0000000000000003
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </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$cgroup-bpf$MAP_CREATE
detailed listing:
executing program 0:
perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2004, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x0)

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=76d/1/0x4000000000000000 softirq=43217/43221 fqs=265 
	(detected by 1, t=10505 jiffies, g=50265, q=24721)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 21108 Comm: syz.2.7400 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:rcu_read_lock include/linux/rcupdate.h:740 [inline]
RIP: 0010:__perf_output_begin kernel/events/ring_buffer.c:163 [inline]
RIP: 0010:perf_output_begin_forward+0x97/0xa30 kernel/events/ring_buffer.c:271
Code: 49 c1 ec 03 48 b8 f1 f1 f1 f1 00 00 00 f3 49 89 04 0c 41 c7 44 0c 08 f3 f3 f3 f3 e8 23 c1 dd ff e8 4e 51 ca ff e8 89 56 00 00 <e8> 04 2b 0f 08 41 89 c6 31 ff 89 c6 e8 68 c4 dd ff 45 85 f6 74 15
RSP: 0000:ffffc90004e97340 EFLAGS: 00000082
RAX: ef2aee64be444300 RBX: ffff88805c39cd98 RCX: ef2aee64be444300
RDX: 0000000000000000 RSI: ffffffff8a0b2ac0 RDI: ffffffff8a59a4c0
RBP: ffffc90004e97470 R08: dffffc0000000000 R09: fffffbfff1ff7a19
R10: fffffbfff1ff7a19 R11: 1ffffffff1ff7a18 R12: 1ffff920009d2e78
R13: 0000000000000018 R14: ffffc90004e974c0 R15: ffffc90004e97680
FS:  000055555d853500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2eb63fff CR3: 0000000077d46000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __perf_event_output kernel/events/core.c:7804 [inline]
 perf_event_output_forward+0x15c/0x280 kernel/events/core.c:7822
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
 perf_tp_event+0x32c/0xb50 kernel/events/core.c:10047
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 perf_trace_preemptirq_template+0x2be/0x380 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+0x84/0x480 kernel/rcu/tree_plugin.h:674
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 ad 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0000:ffffc90004e97ac0 EFLAGS: 00000206
RAX: ef2aee64be444300 RBX: 1ffff920009d2f5c RCX: ef2aee64be444300
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a4c0
RBP: ffffc90004e97b98 R08: dffffc0000000000 R09: fffffbfff1ff7a19
R10: fffffbfff1ff7a19 R11: 1ffffffff1ff7a18 R12: ffffffff8c120b00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 do_set_pte+0x3c9/0x530 mm/memory.c:4069
 finish_fault+0x52e/0x8d0 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+0x2157/0x43c0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f3f59b841f1
Code: 65 5a ff ff 48 8b 05 86 45 eb 00 0f b6 4c 24 10 be 08 00 00 00 48 89 df 83 05 62 45 eb 00 01 48 8d 50 ff 48 89 15 67 45 eb 00 <88> 48 ff 8b 2d 4e 45 eb 00 e8 31 5a ff ff 48 8b 05 5a 45 eb 00 41
RSP: 002b:00007fff9c228660 EFLAGS: 00010202
RAX: 0000001b2eb64000 RBX: 00007f3f5aa38720 RCX: 0000000000000003
RDX: 0000001b2eb63fff RSI: 0000000000000008 RDI: 00007f3f5aa38720
RBP: 00007f3f59f09038 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f3f5aa38700 R11: 0000000000000001 R12: 0000000000000003
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 9180 jiffies! g50265 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:27744 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11bb/0x4390 kernel/sched/core.c:6395
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145
 kthread+0x436/0x520 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: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
 <IRQ>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x397/0x3d0 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+0x10c8/0x1220 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+0x831/0x1110 kernel/rcu/tree.c:2619
 update_process_times+0x193/0x200 kernel/time/timer.c:1818
 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+0x4fe/0xc40 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3bb/0x8d0 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+0x141/0x190 arch/x86/kernel/kvm.c:918
Code: 89 df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 47 0f b6 1f e8 5f e0 49 00 44 38 e3 75 10 66 90 0f 00 2d e1 65 d4 08 fb f4 <e9> 33 ff ff ff fb e9 2d ff ff ff e8 8f 26 75 08 89 f9 80 e1 07 38
RSP: 0018:ffffc90000ce65c0 EFLAGS: 00000246
RAX: 283126bf5f616400 RBX: 0000000000000003 RCX: 283126bf5f616400
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a4c0
RBP: ffffc90000ce6670 R08: dffffc0000000000 R09: fffffbfff1ff7a19
R10: fffffbfff1ff7a19 R11: 1ffffffff1ff7a18 R12: 0000000000000003
R13: ffff8880b913b154 R14: dffffc0000000000 R15: 1ffff9200019ccb8
 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+0x60f/0x9c0 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+0x217/0x280 kernel/locking/spinlock_debug.c:115
 page_vma_mapped_walk+0x1468/0x1740 mm/page_vma_mapped.c:-1
 page_mkclean_one+0x148/0x380 mm/rmap.c:926
 rmap_walk_file+0x408/0x610 mm/rmap.c:2378
 rmap_walk mm/rmap.c:2396 [inline]
 page_mkclean+0x2da/0x3e0 mm/rmap.c:1006
 clear_page_dirty_for_io+0x402/0x9e0 mm/page-writeback.c:2749
 mpage_submit_page+0x8a/0x210 fs/ext4/inode.c:2093
 mpage_process_page_bufs+0x6d8/0x8b0 fs/ext4/inode.c:2227
 mpage_prepare_extent_to_map+0xb7d/0xf70 fs/ext4/inode.c:2655
 ext4_writepages+0xa09/0x2d20 fs/ext4/inode.c:2783
 do_writepages+0x48d/0x6d0 mm/page-writeback.c:2386
 __writeback_single_inode+0x153/0xda0 fs/fs-writeback.c:1647
 writeback_sb_inodes+0x9fe/0x1610 fs/fs-writeback.c:1930
 __writeback_inodes_wb+0x12a/0x3f0 fs/fs-writeback.c:2001
 wb_writeback+0x455/0xb90 fs/fs-writeback.c:2106
 wb_check_old_data_flush fs/fs-writeback.c:2206 [inline]
 wb_do_writeback fs/fs-writeback.c:2259 [inline]
 wb_workfn+0xaaa/0xe60 fs/fs-writeback.c:2288
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>