Extracting prog: 23m22.647818839s Minimizing prog: 1h37m0.319106068s Simplifying prog options: 0s Extracting C: 2m17.109936218s Simplifying C: 32m17.25208326s extracting reproducer from 67 programs testing a last program of every proc single: executing 17 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$bind-mount$bind-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-syslog-fanotify_mark-splice-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_TRAP_SET-openat-fcntl$setlease-bind$bt_l2cap-setsockopt$bt_BT_DEFER_SETUP-openat-openat$vcsa-pread64 detailed listing: executing program 0: syz_mount_image$vfat(&(0x7f0000000040), &(0x7f00000001c0)='./file0\x00', 0x2048c5, &(0x7f0000000400)=ANY=[], 0x0, 0x29f, &(0x7f0000000840)="$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") mount$bind(0x0, &(0x7f0000000180)='./file0\x00', 0x0, 0x1333404, 0x0) mount$bind(&(0x7f0000000300)='./file0\x00', 0x0, 0x0, 0x11080, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0xa, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000280)=0x8) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xf5c5d000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000080), 0x2b0c, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syslog(0x4, &(0x7f0000000380)=""/254, 0xfe) fanotify_mark(0xffffffffffffffff, 0x1, 0x48000047, 0xffffffffffffffff, 0x0) splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x400c5, 0x5) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_TRAP_SET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000680)={&(0x7f0000000540)={0xd8, r4, 0x2, 0x70bd2b, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x1c}, {0x5}}, {@pci={{0x8}, {0x11}}, {0x1c}, {0x5, 0x83, 0x1}}, {@pci={{0x8}, {0x11}}, {0x1c}, {0x5, 0x83, 0x1}}]}, 0xd8}, 0x1, 0x0, 0x0, 0x4001}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file1\x00', 0x129942, 0x18) fcntl$setlease(r5, 0x400, 0x1) bind$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) setsockopt$bt_BT_DEFER_SETUP(0xffffffffffffffff, 0x112, 0xf, 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0xa2040, 0x170) r6 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000200), 0xc00, 0x0) pread64(r6, &(0x7f0000001900)=""/4076, 0xfec, 0x66) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$alg-bind$alg-accept$alg-mmap-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-sched_setaffinity-read$msr-syz_init_net_socket$bt_l2cap-connect$packet-shutdown-socket$nl_generic-socket$nl_generic-ioctl$KVM_CREATE_VM-keyctl$revoke-ioctl$KVM_CREATE_VCPU detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000001800dd8d000000f832b6b10002001000fe04ba2d377e59d0d216932f4e13000100002020629fe0fb7560"], 0x1c}, 0x1, 0x0, 0x0, 0x4a044}, 0x4010) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-generic\x00'}, 0x58) accept$alg(r0, 0x0, 0x0) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r1 = getpgrp(0x0) sched_setaffinity(r1, 0x8, &(0x7f0000000040)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x2, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r3 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r3, 0x1, 0x0) r4 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) sched_setaffinity(r1, 0x8, &(0x7f00000000c0)) read$msr(r4, &(0x7f0000032680)=""/102400, 0x19000) r5 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) connect$packet(r5, &(0x7f0000000200)={0x1f, 0xf8, 0x0, 0x1, 0x82, 0x6, @random="a55378321800"}, 0x14) shutdown(r5, 0x1) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r6 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) keyctl$revoke(0x3, 0x0) ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_open_dev$mouse-getsockopt$IP_VS_SO_GET_TIMEOUT-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000340)=ANY=[@ANYBLOB="12013f00000000407f04ffff00000000000109022d000100000000090400001503000000092140000001220f00090581", @ANYRES8], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) r1 = syz_open_dev$mouse(&(0x7f0000000040), 0x0, 0x400002) getsockopt$IP_VS_SO_GET_TIMEOUT(r1, 0x0, 0x486, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000280)={0x24, 0x0, 0x0, &(0x7f0000000000)={0x0, 0x22, 0xf, {[@main=@item_4={0x3, 0x0, 0xa, "94e4ba35"}, @local=@item_4={0x3, 0x2, 0x4, "f7a9d8d6"}, @main=@item_4={0x3, 0x0, 0xc, "e7649884"}]}}, 0x0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpgrp-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3-ioctl$TCSETS detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) getpgrp(0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) ioctl$TCSETS(r0, 0x545c, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 10 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpgrp-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) getpgrp(0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpgrp-timer_create-fcntl$lock-mprotect-timer_settime-mmap detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) getpgrp(0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpgrp-timer_create-fcntl$lock-mprotect-timer_settime-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) getpgrp(0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpgrp-timer_create-fcntl$lock-mprotect-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) getpgrp(0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpgrp-timer_create-fcntl$lock-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) getpgrp(0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpgrp-timer_create-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) getpgrp(0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpgrp-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) getpgrp(0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, 0x0, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, 0x0, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, 0x0, 0x40100, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime-mmap-openat$ttyS3 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x200000b, 0x204031, 0xffffffffffffffff, 0x42795000) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x40100, 0x0) program crashed: INFO: rcu detected stall in worker_thread validation run: crashed=true reproducing took 2h43m11.845055065s 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): P189/1:b..l rcu: (detected by 1, t=10503 jiffies, g=11977, q=703723 ncpus=2) task:kworker/u4:5 state:R running task stack:23128 pid:189 ppid:2 flags:0x00004000 Workqueue: bat_events batadv_nc_worker Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7010 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:lock_acquire+0x208/0x420 kernel/locking/lockdep.c:5758 Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3c 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 04 3c 00 00 00 00 43 c7 44 3c 08 00 00 00 00 65 48 8b 04 25 RSP: 0018:ffffc90002d47a40 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1fa1d5bd3ae4d800 RDX: 0000000000000000 RSI: ffffffff8acadd60 RDI: ffffffff8b1c9c20 RBP: ffffc90002d47b48 R08: dffffc0000000000 R09: 1ffffffff2239aa0 R10: dffffc0000000000 R11: fffffbfff2239aa1 R12: 1ffff920005a8f54 R13: ffffffff8d132160 R14: 0000000000000246 R15: dffffc0000000000 rcu_lock_acquire include/linux/rcupdate.h:334 [inline] rcu_read_lock include/linux/rcupdate.h:786 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0xef/0x610 net/batman-adv/network-coding.c:719 process_one_work kernel/workqueue.c:2653 [inline] process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2730 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2811 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: rcu_preempt kthread starved for 10529 jiffies! g11977 f0x2 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:27656 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 schedule+0xbd/0x170 kernel/sched/core.c:6774 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x313/0x1590 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 PID: 6377 Comm: syz.3.215 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:55 [inline] RIP: 0010:__unwind_start+0x5b3/0x7e0 arch/x86/kernel/unwind_orc.c:758 Code: c1 e8 03 48 89 04 24 4c 89 e8 48 c1 e8 03 48 89 44 24 08 48 89 6c 24 28 48 b8 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 <74> 08 4c 89 ff e8 c3 ff a3 00 4d 8b 27 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc90005667660 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffc900056676c8 RCX: 1ffff92000acceda RDX: ffff888022f78000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90005667758 R08: ffffc90005667701 R09: 0000000000000000 R10: ffffc900056676c8 R11: fffff52000accee5 R12: ffffc90005667660 R13: ffffc900056676d8 R14: 1ffff92000acced9 R15: ffffc900056676d0 FS: 00007faf33e736c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000000 CR3: 0000000031d66000 CR4: 00000000003506e0 Call Trace: unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xf8/0x190 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x2e/0x50 mm/kasan/generic.c:522 ____kasan_slab_free+0x126/0x1e0 mm/kasan/common.c:237 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1811 [inline] slab_free_freelist_hook+0x130/0x1a0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] kmem_cache_free+0xf8/0x270 mm/slub.c:3852 file_free fs/file_table.c:77 [inline] __fput+0x61c/0x970 fs/file_table.c:397 task_work_run+0x1d4/0x260 kernel/task_work.c:245 get_signal+0x1235/0x13f0 kernel/signal.c:2678 arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310 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:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7faf32f9ce59 Code: 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 01 48 RSP: 002b:00007faf33e73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: fffffffffffffe00 RBX: 00007faf33215fa0 RCX: 00007faf32f9ce59 RDX: 0000000000040100 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007faf33032d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007faf33216038 R14: 00007faf33215fa0 R15: 00007ffdbf5db2e8 sched: RT throttling activated 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): P189/1:b..l rcu: (detected by 1, t=10503 jiffies, g=11977, q=703723 ncpus=2) task:kworker/u4:5 state:R running task stack:23128 pid:189 ppid:2 flags:0x00004000 Workqueue: bat_events batadv_nc_worker Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7010 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:lock_acquire+0x208/0x420 kernel/locking/lockdep.c:5758 Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3c 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 04 3c 00 00 00 00 43 c7 44 3c 08 00 00 00 00 65 48 8b 04 25 RSP: 0018:ffffc90002d47a40 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1fa1d5bd3ae4d800 RDX: 0000000000000000 RSI: ffffffff8acadd60 RDI: ffffffff8b1c9c20 RBP: ffffc90002d47b48 R08: dffffc0000000000 R09: 1ffffffff2239aa0 R10: dffffc0000000000 R11: fffffbfff2239aa1 R12: 1ffff920005a8f54 R13: ffffffff8d132160 R14: 0000000000000246 R15: dffffc0000000000 rcu_lock_acquire include/linux/rcupdate.h:334 [inline] rcu_read_lock include/linux/rcupdate.h:786 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0xef/0x610 net/batman-adv/network-coding.c:719 process_one_work kernel/workqueue.c:2653 [inline] process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2730 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2811 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: rcu_preempt kthread starved for 10529 jiffies! g11977 f0x2 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:27656 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 schedule+0xbd/0x170 kernel/sched/core.c:6774 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x313/0x1590 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 PID: 6377 Comm: syz.3.215 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:55 [inline] RIP: 0010:__unwind_start+0x5b3/0x7e0 arch/x86/kernel/unwind_orc.c:758 Code: c1 e8 03 48 89 04 24 4c 89 e8 48 c1 e8 03 48 89 44 24 08 48 89 6c 24 28 48 b8 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 <74> 08 4c 89 ff e8 c3 ff a3 00 4d 8b 27 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc90005667660 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffc900056676c8 RCX: 1ffff92000acceda RDX: ffff888022f78000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90005667758 R08: ffffc90005667701 R09: 0000000000000000 R10: ffffc900056676c8 R11: fffff52000accee5 R12: ffffc90005667660 R13: ffffc900056676d8 R14: 1ffff92000acced9 R15: ffffc900056676d0 FS: 00007faf33e736c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000000 CR3: 0000000031d66000 CR4: 00000000003506e0 Call Trace: unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xf8/0x190 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x2e/0x50 mm/kasan/generic.c:522 ____kasan_slab_free+0x126/0x1e0 mm/kasan/common.c:237 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1811 [inline] slab_free_freelist_hook+0x130/0x1a0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] kmem_cache_free+0xf8/0x270 mm/slub.c:3852 file_free fs/file_table.c:77 [inline] __fput+0x61c/0x970 fs/file_table.c:397 task_work_run+0x1d4/0x260 kernel/task_work.c:245 get_signal+0x1235/0x13f0 kernel/signal.c:2678 arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310 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:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7faf32f9ce59 Code: 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 01 48 RSP: 002b:00007faf33e73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: fffffffffffffe00 RBX: 00007faf33215fa0 RCX: 00007faf32f9ce59 RDX: 0000000000040100 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007faf33032d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007faf33216038 R14: 00007faf33215fa0 R15: 00007ffdbf5db2e8 sched: RT throttling activated