Extracting prog: 18m2.658867758s Minimizing prog: 1h29m30.15972871s Simplifying prog options: 12m15.393506119s Extracting C: 2m19.523908915s Simplifying C: 0s extracting reproducer from 66 programs testing a last program of every proc single: executing 16 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}}): sendmmsg$inet6-openat$kvm-capset-ioctl$KVM_CREATE_VM-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-pwritev-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000000740)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000e00)=[@dstopts_2292={{0xc0, 0x29, 0x4, {0x4, 0x14, '\x00', [@calipso={0x7, 0x28, {0x1, 0x8, 0x7a, 0x8001, [0x9, 0x4, 0x400, 0xb]}}, @padn={0x1, 0x4, [0x0, 0x0, 0x0, 0x0]}, @pad1, @ra={0x5, 0x2, 0xbf4}, @generic={0xfd, 0x6a, "1535ebfdb99e0d39d28fb7f215a54151de67b9687327f73080bb73c35bad11f299c8b1f644acb1a95df98c8149faff35640b1df83d4aa03c3b99cf5dbe2746a6d54410686a5e46ff586dba7fed5df29dd37cbf320287e08f602021944b6b09ea13002d7b3a54c3c5c1da"}]}}}, @hoplimit={{0x14}}, @hopopts={{0x18, 0x29, 0x36, {0x5e}}}], 0xf0}}], 0x1, 0x810) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) capset(&(0x7f0000000500)={0x20080522}, &(0x7f0000000200)={0x200002, 0x200003, 0x801, 0x4, 0x7}) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000380)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-cast5-avx\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f00000004c0)="2c385a7af3be", 0x6) r3 = accept4(r2, 0x0, 0x0, 0x800) sendmmsg$alg(r3, &(0x7f0000000040)=[{0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)="f78d9ca38fff48f3be52163448412ba8", 0x10}, {&(0x7f0000000140)="ebe3a0e9796cfd1647e299f4e376fdba128280b372219d205e81f4a7f71c1926aae1efd7e0054a863f3d5cfe6cb55b5bb9fa6935849e6098ed884e7cb51726b360fbb37b4fe035bbb095873048", 0x4d}, {&(0x7f00000003c0)="e8700e444d50a969ff67347cff6127e6ef12ee3819271482a4975a52c1ab9b8b4db3945d1032005eabe97b4dc33a47d3a158da988456d30026b433186f53cdcdb93a4722bf306a10470d50f5cb1ece9ead3459bab1cf1538cd0b157653c5e892962c80f158c443e9c6ad7d2a8103ef2f4b93766b9a21501f94c1568b13756b66f74f46cf801704d2da8b96c34070b233af0afcc436712e58ed25e7", 0x9b}], 0x3, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x40800) recvmsg(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f00000000c0)=""/81, 0x7ffff000}, {&(0x7f0000000200)=""/83, 0x20000253}], 0x2}, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000840)={0x1fe, 0x2, 0x3000, 0x2000, &(0x7f0000003000/0x2000)=nil}) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f00000000c0)="650f340f3566b842000f00d8b805000000b9a00000000f01c13e0f070fde460b0f0130670f01c2f2360f217a0f07", 0x2e}], 0x1, 0x11, 0x0, 0x0) pwritev(0xffffffffffffffff, &(0x7f0000000b00)=[{&(0x7f0000001880)="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", 0xf91}], 0x1, 0x1, 0x2) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000180)=[@text64={0x40, 0x0}], 0x1, 0x18, 0x0, 0x0) ioctl$KVM_RUN(r4, 0xae80, 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}}): socketpair$unix-gettid-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-close_range-setitimer detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) gettid() seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x6, 0x7fc00100}]}) openat$sysfs(0xffffffffffffff9c, 0x0, 0xa0642, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) setitimer(0x2, 0x0, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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}}): prlimit64-sched_setscheduler-sched_setscheduler-open-flock-open-flock-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = open(&(0x7f0000000180)='.\x00', 0x82000, 0x0) flock(r0, 0x2) r1 = open(&(0x7f0000000300)='.\x00', 0x100000, 0x0) flock(r1, 0x1) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode single: successfully extracted reproducer found reproducer with 11 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}}): prlimit64-sched_setscheduler-sched_setscheduler-open-flock-open-flock-timer_create-fcntl$lock-mprotect detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = open(&(0x7f0000000180)='.\x00', 0x82000, 0x0) flock(r0, 0x2) r1 = open(&(0x7f0000000300)='.\x00', 0x100000, 0x0) flock(r1, 0x1) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) 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}}): prlimit64-sched_setscheduler-sched_setscheduler-open-flock-open-flock-timer_create-fcntl$lock-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = open(&(0x7f0000000180)='.\x00', 0x82000, 0x0) flock(r0, 0x2) r1 = open(&(0x7f0000000300)='.\x00', 0x100000, 0x0) flock(r1, 0x1) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-sched_setscheduler-open-flock-open-flock-timer_create-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = open(&(0x7f0000000180)='.\x00', 0x82000, 0x0) flock(r0, 0x2) r1 = open(&(0x7f0000000300)='.\x00', 0x100000, 0x0) flock(r1, 0x1) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-sched_setscheduler-open-flock-open-flock-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = open(&(0x7f0000000180)='.\x00', 0x82000, 0x0) flock(r0, 0x2) r1 = open(&(0x7f0000000300)='.\x00', 0x100000, 0x0) flock(r1, 0x1) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-sched_setscheduler-open-flock-open-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = open(&(0x7f0000000180)='.\x00', 0x82000, 0x0) flock(r0, 0x2) open(&(0x7f0000000300)='.\x00', 0x100000, 0x0) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-sched_setscheduler-open-flock-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = open(&(0x7f0000000180)='.\x00', 0x82000, 0x0) flock(r0, 0x2) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-sched_setscheduler-open-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) open(&(0x7f0000000180)='.\x00', 0x82000, 0x0) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, 0x0, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, 0x0, 0x0) 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in sys_getpid a never seen crash title: INFO: rcu detected stall in sys_getpid, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 2h9m47.380360189s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P3638/1:b..l (detected by 0, t=10502 jiffies, g=11689, q=140 ncpus=2) task:udevd state:R running task stack:25168 pid:3638 ppid:1 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6731 preempt_schedule+0xbc/0xd0 kernel/sched/core.c:6755 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x10d/0x120 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __wake_up_common_lock kernel/sched/wait.c:140 [inline] __wake_up_sync_key+0x128/0x190 kernel/sched/wait.c:208 sock_def_readable+0x15b/0x280 net/core/sock.c:3316 __netlink_sendskb net/netlink/af_netlink.c:1264 [inline] netlink_sendskb+0x97/0x130 net/netlink/af_netlink.c:1270 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5be/0x970 net/socket.c:2518 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2572 __sys_sendmsg net/socket.c:2601 [inline] __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f573b4a7407 RSP: 002b:00007ffe916f4170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f573bc34880 RCX: 00007f573b4a7407 RDX: 0000000000000000 RSI: 00007ffe916f41d0 RDI: 0000000000000004 RBP: 000055e590632f70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000093 R13: 000055e5906129e0 R14: 0000000000000000 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10525 jiffies! g11689 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 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:27736 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562 schedule+0xb9/0x180 kernel/sched/core.c:6638 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x303/0x1340 kernel/rcu/tree.c:1706 rcu_gp_kthread+0x99/0x3b0 kernel/rcu/tree.c:1905 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 PID: 4548 Comm: syz.1.39 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 5e c1 2c f7 48 89 df e8 a6 89 2d f7 e8 81 e0 50 f7 fb bf 01 00 00 00 f6 ed 20 f7 65 8b 05 f7 5f ca 75 85 c0 74 02 5b c3 e8 44 74 c8 RSP: 0018:ffffc900035b7b98 EFLAGS: 00000282 RAX: 3e7c2705762d6300 RBX: ffff88802e15e5c0 RCX: 3e7c2705762d6300 RDX: dffffc0000000000 RSI: ffffffff8a8c19a0 RDI: 0000000000000001 RBP: ffff88802e15ea58 R08: ffff88802e15e5c3 R09: 1ffff11005c2bcb8 R10: dffffc0000000000 R11: ffffed1005c2bcb9 R12: 1ffff11005c2bd4b R13: 0000000000000021 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f949da616c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 000000005d3ef000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_irq include/linux/spinlock.h:401 [inline] get_signal+0x1163/0x1350 kernel/signal.c:2874 arch_do_signal_or_restart+0xc4/0x1350 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f949cb9ce57 Code: 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 RSP: 002b:00007f949da610e8 EFLAGS: 00000246 RAX: 00000000000000ca RBX: 00007f949ce15fa8 RCX: 00007f949cb9ce59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f949ce15fa8 RBP: 00007f949ce15fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f949ce16038 R14: 00007ffd58275df0 R15: 00007ffd58275ed8 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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000040)={0xd, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4521/1:b..l P31/1:b..l (detected by 1, t=10503 jiffies, g=10605, q=119 ncpus=2) task:kworker/u4:2 state:R running task stack:26032 pid:31 ppid:2 flags:0x00004000 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874 irqentry_exit+0x63/0x70 kernel/entry/common.c:439 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:lock_acquire+0x225/0x4a0 kernel/locking/lockdep.c:5666 Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04 RSP: 0018:ffffc90000a7f920 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 0000000000000000 RCX: d650c86d4cbabe00 RDX: 0000000000000000 RSI: ffffffff8a8c2b20 RDI: ffffffff8adf1ba0 RBP: ffffc90000a7fa28 R08: dffffc0000000000 R09: 1ffffffff215f448 R10: dffffc0000000000 R11: fffffbfff215f449 R12: 0000000000000000 R13: 1ffff9200014ff30 R14: 0000000000000246 R15: dffffc0000000000 rcu_lock_acquire include/linux/rcupdate.h:350 [inline] rcu_read_lock include/linux/rcupdate.h:791 [inline] batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:757 [inline] batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:828 [inline] batadv_iv_ogm_schedule+0x407/0xf10 net/batman-adv/bat_iv_ogm.c:871 batadv_iv_send_outstanding_bat_ogm_packet+0x72f/0x840 net/batman-adv/bat_iv_ogm.c:1715 process_one_work+0x8a2/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1270 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:syz.0.43 state:R running task stack:25680 pid:4521 ppid:4389 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874 irqentry_exit+0x63/0x70 kernel/entry/common.c:439 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x80 kernel/kcov.c:314 Code: 28 4d 39 ca 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 03 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 90 <48> 8b 04 24 65 48 8b 15 24 e5 7f 7e 65 8b 0d 25 e5 7f 7e 81 e1 00 RSP: 0018:ffffc900035a7ed0 EFLAGS: 00000246 RAX: 1ffff11004e4fabd RBX: ffff88802727d500 RCX: ffff888026f8bb80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: dffffc0000000000 R09: 1ffffffff215f448 R10: dffffc0000000000 R11: fffffbfff215f449 R12: 0000000000000001 R13: dffffc0000000000 R14: ffff88807bccd528 R15: ffff888026f8bb80 task_pid_ptr kernel/pid.c:323 [inline] __task_pid_nr_ns+0x161/0x460 kernel/pid.c:500 task_tgid_vnr include/linux/sched.h:1631 [inline] __ia32_sys_getpid+0x19/0x20 kernel/sys.c:953 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f781ed96bd7 RSP: 002b:00007ffe31e08dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000027 RAX: ffffffffffffffda RBX: 00007ffe31e08f30 RCX: 00007f781ed96bd7 RDX: 00007ffe31e08e00 RSI: 00007ffe31e08f30 RDI: 0000000000000021 RBP: 0000000000000000 R08: 000000000000000f R09: 0000000000000000 R10: 00007f781f015fa0 R11: 0000000000000202 R12: 0000000000000000 R13: 00007f781f015fac R14: 00007f781f015fa8 R15: 00007f781f015fa0 rcu: rcu_preempt kthread timer wakeup didn't happen for 10554 jiffies! g10605 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=6505 rcu: rcu_preempt kthread starved for 10557 jiffies! g10605 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 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:I stack:27760 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5245 [inline] __schedule+0x11d1/0x40e0 kernel/sched/core.c:6562 schedule+0xb9/0x180 kernel/sched/core.c:6638 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x303/0x1340 kernel/rcu/tree.c:1706 rcu_gp_kthread+0x99/0x3b0 kernel/rcu/tree.c:1905 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4520 Comm: syz.2.42 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:get_signal+0x57c/0x1350 kernel/signal.c:2757 Code: 00 45 85 ed 0f 84 ad 09 00 00 e8 df 90 30 00 48 8b 54 24 58 48 89 d0 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 ff 05 00 00 8b 1a <31> ff 89 de e8 1b 94 30 00 85 db 0f 85 e1 04 00 00 e8 ae 90 30 00 RSP: 0018:ffffc900034c7ba8 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888024eb3b80 RDX: ffff888024eb3bb0 RSI: 0000000000000021 RDI: 0000000000000000 RBP: 1ffff11005b117ad R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000698f58 R12: ffff888024eb44a0 R13: 0000000000000021 R14: dffffc0000000000 R15: ffff888024eb44b8 FS: 00007f296e87b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 000000002a330000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_do_signal_or_restart+0xc4/0x1350 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f296d99ce57 Code: 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 RSP: 002b:00007f296e87b0e8 EFLAGS: 00000246 RAX: 00000000000000ca RBX: 00007f296dc15fa8 RCX: 00007f296d99ce59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f296dc15fa8 RBP: 00007f296dc15fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f296dc16038 R14: 00007fff010caf00 R15: 00007fff010cafe8 sched: RT throttling activated