Extracting prog: 4m3.082810642s Minimizing prog: 2h32m35.747577905s Simplifying prog options: 15m26.473441303s Extracting C: 6m4.00494514s Simplifying C: 0s extracting reproducer from 37 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-socket$packet-signalfd-gettid-timer_create-timer_settime-read$FUSE-prctl$PR_SCHED_CORE-syz_genetlink_get_family_id$nl80211 detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) socket$packet(0x11, 0x3, 0x300) r8 = signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r9 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r9}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) read$FUSE(r8, &(0x7f0000008880)={0x2020}, 0x2020) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) program crashed: INFO: rcu detected stall in gc_worker single: successfully extracted reproducer found reproducer with 30 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-socket$packet-signalfd-gettid-timer_create-timer_settime-read$FUSE-prctl$PR_SCHED_CORE detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) socket$packet(0x11, 0x3, 0x300) r8 = signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r9 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r9}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) read$FUSE(r8, &(0x7f0000008880)={0x2020}, 0x2020) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-socket$packet-signalfd-gettid-timer_create-timer_settime-read$FUSE detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) socket$packet(0x11, 0x3, 0x300) r8 = signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r9 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r9}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) read$FUSE(r8, &(0x7f0000008880)={0x2020}, 0x2020) 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r8 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r8}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in sys_unlink 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-socket$packet-signalfd-gettid-timer_create detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r8 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r8}, &(0x7f0000000080)) 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-socket$packet-signalfd-gettid-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) gettid() timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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}}): openat-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-socket$packet-signalfd-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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}}): openat-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-socket$packet-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) socket$packet(0x11, 0x3, 0x300) r8 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r8}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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}}): openat-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) r6 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) r7 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r6, 0x4c81, r7) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r8 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r8}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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}}): openat-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r6 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r6}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-openat$loop_ctrl-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x8400, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r6 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r6}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-prctl$PR_CAP_AMBIENT-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) prctl$PR_CAP_AMBIENT(0x2f, 0x5, 0x15) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r6 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r6}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, &(0x7f0000000240)=[{&(0x7f0000001800)=""/216, 0xd8}], 0x1}) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r6 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r6}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f0000000140)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r5 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r5}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-syz_io_uring_setup-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) syz_io_uring_setup(0x9e, &(0x7f0000000640)={0x0, 0x818f, 0x0, 0x0, 0x40000333}, &(0x7f00000006c0), &(0x7f0000000140)) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r4 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r4}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-read$msr-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r4 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r4}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$nullb-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x400, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r3 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r3}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r3 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r3}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r3 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r3}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in sys_openat 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r2 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r2}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r2 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r2}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in newfstatat 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r2 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r2}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in batadv_iv_send_outstanding_bat_ogm_packet 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) getpid() socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r1 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r1}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r1 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r1}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-link-getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r1 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r1}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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}}): openat-link-getpgrp-sched_setaffinity-prlimit64-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r1 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r1}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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}}): openat-link-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r1 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r1}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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}}): openat-link-getpgrp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') getpgrp(0x0) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in kmem_alloc_batch 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-link-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) link(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='./bus\x00') prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x41, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in cfg80211_wiphy_work 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in exit_to_user_mode_loop 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, &(0x7f00000002c0)={[0x7fffffff]}, 0x8) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: WARNING in rcu_check_gp_start_stall 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) gettid() timer_create(0x0, 0x0, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime 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}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in exit_to_user_mode_loop extracting C reproducer testing compiled C 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program did not crash 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in gc_worker validation run: crashed=true 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 3h9m44.965228199s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=10857, q=308 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294957022-4294946520), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g10857 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:28920 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 __schedule_loop kernel/sched/core.c:6945 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6960 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6106 Comm: syz.2.22 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:37 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:139 [inline] RIP: 0010:wrmsrq arch/x86/include/asm/msr.h:199 [inline] RIP: 0010:native_apic_msr_write arch/x86/include/asm/apic.h:212 [inline] RIP: 0010:native_apic_msr_write+0x28/0x40 arch/x86/include/asm/apic.h:206 Code: 90 90 f3 0f 1e fa 8d 87 30 ff ff ff 83 e0 ef 74 20 89 f8 83 e0 ef 83 f8 20 74 16 c1 ef 04 31 d2 89 f0 8d 8f 00 08 00 00 0f 30 <66> 90 e9 91 16 10 0a e9 8c 16 10 0a 89 f6 31 d2 89 cf e9 61 f9 76 RSP: 0018:ffffc900035279c0 EFLAGS: 00000046 RAX: 000000000000003e RBX: ffff8880b8523f40 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 000000000000003e RDI: 0000000000000038 RBP: 000000000000003e R08: 0000000000000005 R09: 000000000000003f R10: 0000000000000020 R11: ffff8880298a8b30 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000020 R15: ffffed10170a47ed FS: 0000555571b1e500(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f163fff CR3: 00000000777ba000 CR4: 00000000003526f0 Call Trace: apic_write arch/x86/include/asm/apic.h:409 [inline] lapic_next_event+0x10/0x20 arch/x86/kernel/apic/apic.c:418 clockevents_program_min_delta+0x176/0x3a0 kernel/time/clockevents.c:248 clockevents_program_event+0x2a2/0x370 kernel/time/clockevents.c:336 tick_program_event+0xa9/0x140 kernel/time/tick-oneshot.c:48 __hrtimer_reprogram kernel/time/hrtimer.c:678 [inline] __hrtimer_reprogram kernel/time/hrtimer.c:652 [inline] hrtimer_reprogram+0x27b/0x450 kernel/time/hrtimer.c:861 hrtimer_start_range_ns+0x9e8/0x11f0 kernel/time/hrtimer.c:1323 __posixtimer_deliver_signal kernel/time/posix-timers.c:321 [inline] posixtimer_deliver_signal+0x30d/0x6b0 kernel/time/posix-timers.c:347 dequeue_signal+0x307/0x520 kernel/signal.c:660 get_signal+0x601/0x26d0 kernel/signal.c:2914 arch_do_signal_or_restart+0x8f/0x7e0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x8c/0x540 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x4ee/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f162638f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffea0bb6108 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00007f16265e5fa0 RCX: 00007f162638f749 RDX: 0000200000000300 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f1626413f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f16265e5fa0 R14: 00007f16265e5fa0 R15: 0000000000000004 report is corrupted, running repro again 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again 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-prctl$PR_SCHED_CORE-socket$packet-signalfd-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socket$packet(0x11, 0x3, 0x300) signalfd(0xffffffffffffffff, 0x0, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000180)={0x0, 0x11, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) program crashed: INFO: rcu detected stall in corrupted final 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): P6058/1:b..l P5176/1:b..l rcu: (detected by 1, t=10502 jiffies, g=9261, q=299 ncpus=2) task:klogd state:R running task stack:25032 pid:5176 tgid:5176 ppid:1 task_flags:0x400100 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:debug_lockdep_rcu_enabled+0x26/0x40 kernel/rcu/update.c:320 Code: 90 90 90 90 f3 0f 1e fa 8b 05 56 a4 10 05 85 c0 74 20 8b 05 00 d4 10 05 85 c0 74 16 65 48 8b 05 98 98 3a 08 8b 80 2c 0b 00 00 <85> c0 0f 94 c0 0f b6 c0 e9 0d 2c 03 00 66 2e 0f 1f 84 00 00 00 00 RSP: 0018:ffffc900043bf490 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffc900043bf908 RCX: ffffc900043c0001 RDX: ffffc900043bf910 RSI: ffffc900043bf8f0 RDI: ffffc900043bf518 RBP: 0000000000000001 R08: 0000000000000001 R09: 00000000ffffffff R10: 0000000000000002 R11: 0000000000011dad R12: ffffc900043bf548 R13: ffffc900043bf508 R14: ffffc900043bf8f0 R15: ffffc900043bf53c rcu_read_unlock include/linux/rcupdate.h:895 [inline] class_rcu_destructor include/linux/rcupdate.h:1195 [inline] unwind_next_frame+0x3de/0x20b0 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:398 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5657 [inline] __kmalloc_node_track_caller_noprof+0x353/0x930 mm/slub.c:5764 kmalloc_reserve+0xef/0x2c0 net/core/skbuff.c:608 __alloc_skb+0x186/0x410 net/core/skbuff.c:690 alloc_skb include/linux/skbuff.h:1383 [inline] alloc_skb_with_frags+0xe0/0x860 net/core/skbuff.c:6712 sock_alloc_send_pskb+0x7f9/0x980 net/core/sock.c:2995 unix_dgram_sendmsg+0x3bc/0x1830 net/unix/af_unix.c:2130 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] __sys_sendto+0x4a3/0x520 net/socket.c:2206 __do_sys_sendto net/socket.c:2213 [inline] __se_sys_sendto net/socket.c:2209 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2209 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2d4589a407 RSP: 002b:00007ffc64e67df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2d4574ac80 RCX: 00007f2d4589a407 RDX: 00000000000000f6 RSI: 00007ffc64e67f30 RDI: 0000000000000003 RBP: 00007ffc64e68360 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc64e68378 R13: 00007ffc64e67f30 R14: 00000000000000db R15: 00007ffc64e67f30 task:kworker/1:5 state:R running task stack:24856 pid:6058 tgid:6058 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_power_efficient gc_worker Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__seqprop_spinlock_sequence include/linux/seqlock.h:227 [inline] RIP: 0010:nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:342 [inline] RIP: 0010:gc_worker+0x2d5/0x16e0 net/netfilter/nf_conntrack_core.c:1548 Code: 00 00 48 c7 c7 a8 67 89 90 e8 67 ea 05 f8 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 e5 d8 2a f8 58 48 85 db 0f 85 d4 0f 00 00 06 de 2a f8 8b 1d f0 5c f5 06 41 89 dc 31 ff 41 83 e4 01 44 89 RSP: 0000:ffffc90003387ad8 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff899415e9 RDX: ffff888030ec0000 RSI: ffffffff899415f8 RDI: 0000000000000007 RBP: ffffffff9b0a38ec R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: ffff888030ec0b30 R12: ffff888149800000 R13: 0000000000040000 R14: dffffc0000000000 R15: 0000000000001770 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 rcu: rcu_preempt kthread starved for 10568 jiffies! g9261 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:28440 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 __schedule_loop kernel/sched/core.c:6945 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6960 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82 Code: b6 5f 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 39 12 00 fb f4 cc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0000:ffffc90000197de8 EFLAGS: 000002c6 RAX: 00000000000db819 RBX: 0000000000000001 RCX: ffffffff8b7826d9 RDX: 0000000000000000 RSI: ffffffff8dace4f3 RDI: ffffffff8bf2b480 RBP: ffffed1003b56498 R08: 0000000000000001 R09: ffffed10170a673d R10: ffff8880b85339eb R11: ffff88801dab2ff0 R12: 0000000000000001 R13: ffff88801dab24c0 R14: ffffffff9088bad0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d871d4340 CR3: 00000000357dc000 CR4: 00000000003526f0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:767 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x38d/0x510 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312 common_startup_64+0x13e/0x148