Extracting prog: 21m4.188606919s Minimizing prog: 1h22m40.691967404s Simplifying prog options: 0s Extracting C: 2m17.575068269s Simplifying C: 50m18.675922429s extracting reproducer from 44 programs testing a last program of every proc single: executing 9 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_UNREGISTER_RING_FDS-prctl$PR_SET_THP_DISABLE-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_usb_connect-syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_GETRESOURCES-syz_open_dev$dri-ioctl$DRM_IOCTL_SET_CLIENT_CAP-ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES-syz_open_dev$dri-ioctl$KVM_SET_REGS-ioctl$KVM_CREATE_VM-ioctl$DRM_IOCTL_SET_CLIENT_CAP-ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES-socket$can_bcm-openat$fuse-readv-socket$nl_route-socket$can_bcm-socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_vcan-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = io_uring_setup(0x23b2, &(0x7f0000000080)={0x0, 0x3256, 0x80, 0x3, 0x92}) io_uring_register$IORING_UNREGISTER_RING_FDS(r0, 0x15, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, 0x0}], 0x1) prctl$PR_SET_THP_DISABLE(0x29, 0x1) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_usb_connect(0x0, 0x24, &(0x7f0000000640)=ANY=[@ANYBLOB="12010000861a182083044737020001020301090212000100000000"], 0x0) r3 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r3, 0xc04064a0, &(0x7f00000014c0)={0x0, 0x0, &(0x7f0000000240)=[0x0], 0x0, 0x0, 0x0, 0x1}) r4 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r4, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r4, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0], 0x1}) r5 = syz_open_dev$dri(0x0, 0x1, 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f00000003c0)={[0x1ff, 0x5, 0x8, 0x80000001, 0x3, 0x7, 0x2000010001, 0x7, 0x6, 0x4, 0x81, 0x3, 0x0, 0x5, 0x7fff, 0x5], 0x0, 0x12000}) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r5, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r5, 0xc01064b5, 0x0) socket$can_bcm(0x1d, 0x2, 0x2) openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0) readv(0xffffffffffffffff, &(0x7f0000000240), 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) socket$can_bcm(0x1d, 0x2, 0x2) r7 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(r7, 0x8933, &(0x7f00000000c0)={'vxcan1\x00', 0x0}) sendmsg$nl_route_sched(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000004c00)=@newtfilter={0x24, 0x11, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x74, r8}}, 0x24}, 0x1, 0xf0ffffffffffff, 0x0, 0x20008000}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-bpf$MAP_CREATE-bpf$PROG_LOAD_XDP-mkdirat-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000340)={0xe, 0x4, &(0x7f0000000400)=ANY=[], &(0x7f0000000000)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) mkdirat(0xffffffffffffff9c, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r4 = getpid() sched_setscheduler(r4, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xb2570000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r5, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x2000000}, 0x6e) sendmmsg$unix(r6, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r5, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r7 = bpf$MAP_CREATE(0x0, &(0x7f00000007c0)=ANY=[@ANYBLOB="0e000000040000000800000008"], 0x48) r8 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r7, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000000100000095"], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f00000001c0)='sched_switch\x00', r8}, 0xe) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000c00)=ANY=[@ANYRES32=r2, @ANYRES32=r3, @ANYBLOB="05"], 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000740)={{r2}, &(0x7f00000006c0), &(0x7f0000000700)=r1}, 0x20) sendmsg$inet(r0, &(0x7f0000000980)={0x0, 0x6000, &(0x7f0000000900)=[{&(0x7f0000000640)='U', 0xa00120}], 0x1}, 0x3) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-lsetxattr$system_posix_acl-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6-sendmsg$nl_xfrm-creat-flock-inotify_init-inotify_add_watch-creat detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x200000, &(0x7f0000000180)={[{@dioread_nolock}, {@norecovery}, {@min_batch_time={'min_batch_time', 0x3d, 0x1}}, {@nojournal_checksum}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@nodelalloc}, {@errors_remount}, {@acl}, {@auto_da_alloc_val={'auto_da_alloc', 0x3d, 0x343}}, {@jqfmt_vfsold}, {@barrier_val={'barrier', 0x3d, 0x7}}, {@nombcache}]}, 0xfd, 0x573, &(0x7f0000000cc0)="$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") chdir(&(0x7f0000000240)='./file0\x00') lsetxattr$system_posix_acl(&(0x7f0000000000)='.\x00', &(0x7f0000000100)='system.posix_acl_default\x00', &(0x7f0000000180)=ANY=[@ANYBLOB="0200000001000000000000000400050000000000000000"], 0x24, 0x1) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) socket$inet6(0xa, 0x802, 0x0) sendmsg$nl_xfrm(0xffffffffffffffff, 0x0, 0x0) r3 = creat(&(0x7f0000000180)='./file0\x00', 0x0) flock(r3, 0x1780f9c373410de4) r4 = inotify_init() inotify_add_watch(r4, &(0x7f00000002c0)='.\x00', 0x80000201) creat(&(0x7f0000000140)='./file0\x00', 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-socket$inet6_udp-setsockopt$inet6_IPV6_FLOWLABEL_MGR-splice-syz_mount_image$ext4-open-pwritev2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, 0x0, 0x0) splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext3\x00', &(0x7f0000000480)='./file0\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xee, 0x477, &(0x7f0000000cc0)="$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") r4 = open(&(0x7f0000000140)='./file2\x00', 0x64842, 0x21) pwritev2(r4, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x2000, 0x0, 0x3) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode single: successfully extracted reproducer found reproducer with 14 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-socket$inet6_udp-setsockopt$inet6_IPV6_FLOWLABEL_MGR-splice-syz_mount_image$ext4-open detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, 0x0, 0x0) splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext3\x00', &(0x7f0000000480)='./file0\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xee, 0x477, &(0x7f0000000cc0)="$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") open(&(0x7f0000000140)='./file2\x00', 0x64842, 0x21) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-socket$inet6_udp-setsockopt$inet6_IPV6_FLOWLABEL_MGR-splice-syz_mount_image$ext4 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, 0x0, 0x0) splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext3\x00', &(0x7f0000000480)='./file0\x00', 0x10, &(0x7f0000000140)={[{@norecovery}]}, 0xee, 0x477, &(0x7f0000000cc0)="$eJzs3EtsVFUfAPD/nb4oj6/9EB8gaBWNxEdLy0MWbjSauNDERBcYV7UtBCnU0JoIIYoucGlI3BuXJu5NXOnGqAtj4lb3hoSQbkBXY87MvWU6nSnTTumA8/sld3rOvaec859zT+fMOTME0LVG0kMWsT0i/oiIoWp2eYGR6o+bixen/l68OJVFufzm9axS7sbixamiaPF726qZcjliICUHGtR7+Z2IydnZmXN5fmzhzPtj8+cvPHfqzOTJmZMzZyeOHTt8aF//0YkjbcVXyn+muG7s+Whu7+5X377y+tTxK+/+/E1q7/b8em0c65KirTNSfXbrPZoenmyrsrvKr+lhR82JrLd54dFNaBCt64mI1F19lfE/FD0xuHRtKF75tKONA+6ocrlcbvT6nLtUBv7Dsuh0C4DOKF7o0/vf4tikqcdd4dqL1TdAKe6b+VG90ru0dtBX9/52I41ExPFL/3yZjtiIdQgAgNv4Ps1/nm00/yvFAzXl/pfvoQxHxP8jYmdE3BcRuyLi/ohK2Qcj4qE11l+/Q7Jy/lO6uq7AWpTmfy/ke1vL53/F7C+Ge/Lcjkr8fdmJU7MzB/Pn5ED0DaT8+Cp1/PDy758X6S1112rnf+lI9RdzwbwdV3vrFuimJxcm2427cO2TiD29jeLPotjGySJid0TsWWcdp57+em+za7ePfxWr7DO1qvxVxFPV/r8Uy+K/1VVZ0/3J8eePThwZ2xKzMwfHirtipV9+u/xGs/rbin8DpP7f2vD+X9oFHs62RMyfv3C6sl87v/Y6Lv/5Wc2YXra7nOIvfRux5vu/P3urku7Pz304ubBwbjyiP3tt5fmJW79b5IvyKf4D+xuP/501LX44ItJNvC8iHsk3cVPfPRYRj0fE/lXi/+mlJ95rdm1F/w8W8a+yKr+BUvzTt+v/qO3/tSd6Tv/4XcvxLy7UlUj9f7iSOpCfaeXvX6sNXOfTBgAAAPeUUuUz8FlpdCldKo2OVj/Dvyu2lmbn5heeOTH3wdnp6mflh6OvVKx0DdWsh47na8NFfqIufyhfN/6iZ7CSH52am53udPDQ5bY1Gf/JXz2dbh1wx23APhpwjzL+oXsZ/9C9jH/oXsY/dK9G4//jDrQD2Hxe/6F7Gf/QvYx/6F7GP3Slpt+NL7X1lf8OJ4r/O6GNf+d656NoOzF4J6uIUucD7IpEbzu3cSuJgYaXOvyHCQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYIP8GwAA//8dFN97") program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-socket$inet6_udp-setsockopt$inet6_IPV6_FLOWLABEL_MGR-splice detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, 0x0, 0x0) splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-socket$inet6_udp-setsockopt$inet6_IPV6_FLOWLABEL_MGR detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)) pipe(&(0x7f0000000200)) r1 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, 0x0, 0x0) program crashed: INFO: rcu detected stall in sys_rt_sigreturn 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-socket$inet6_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)) pipe(&(0x7f0000000200)) socket$inet6_udp(0xa, 0x2, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)) pipe(&(0x7f0000000200)) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) getpid() timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) timer_create(0x0, 0x0, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100)) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode simplifying 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing compiled C 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime 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:false Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime 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:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime 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:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted 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:false NetReset:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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:false NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted 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:false NetReset:false Cgroups:false BinfmtMisc:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime 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:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime 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:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode a never seen crash title: INFO: rcu detected stall in syscall_enter_from_user_mode, ignore reproducing took 2h36m21.131602s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 0, t=10502 jiffies, g=5457, q=83) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294958056-4294947554), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g5457 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:27008 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376 schedule+0x11b/0x1e0 kernel/sched/core.c:6459 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4205 Comm: syz-executor283 Not tainted 5.15.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:debug_smp_processor_id+0x0/0x10 lib/smp_processor_id.c:60 Code: 12 8a e8 43 01 00 00 65 c7 05 28 17 62 76 00 00 00 00 48 c7 c7 20 e1 12 8a e8 2c 01 00 00 65 ff 0d 11 17 62 76 5b c3 00 00 cc <48> c7 c7 60 a2 59 8a 48 c7 c6 a0 a2 59 8a eb 00 55 41 57 41 56 53 RSP: 0018:ffffc90002fefec0 EFLAGS: 00000082 RAX: ffffffff812b9e64 RBX: ffff88807bbc9940 RCX: ffff88807bbc8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002feff48 R08: dffffc0000000000 R09: ffffed100f779001 R10: ffffed100f779001 R11: 1ffff1100f779000 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000555570dd83c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5645499320 CR3: 0000000073f4f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fpregs_assert_state_consistent+0x69/0xe0 arch/x86/kernel/fpu/core.c:420 arch_exit_to_user_mode_prepare arch/x86/include/asm/entry-common.h:56 [inline] exit_to_user_mode_prepare+0x58/0x140 kernel/entry/common.c:216 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f56454a7a10 Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d fa a8 02 00 e8 a5 c3 fa ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 RSP: 002b:00007fff2dfb0df8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f564547fba9 RDX: 00007fff2dfb0e00 RSI: 00007fff2dfb0f30 RDI: 0000000000000021 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f56454d0191 R13: 00007fff2dfb16c0 R14: 00007fff2dfb13d0 R15: 0000000000000000 report is corrupted, running repro again 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-...!: (10499 ticks this GP) idle=43d/1/0x4000000000000000 softirq=5555/5555 fqs=0 (t=10500 jiffies g=4261 q=84) rcu: rcu_preempt kthread starved for 10500 jiffies! g4261 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27848 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376 schedule+0x11b/0x1e0 kernel/sched/core.c:6459 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4192 Comm: syz-executor162 Not tainted 5.15.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:check_kcov_mode kernel/kcov.c:174 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x2c/0x60 kernel/kcov.c:206 Code: 04 24 65 48 8b 0d a4 b1 8a 7e 65 8b 15 a5 b1 8a 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c <8b> 91 10 16 00 00 83 fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 RSP: 0018:ffffc90002f5fa68 EFLAGS: 00000046 RAX: ffffffff817de0b3 RBX: 0000000000000000 RCX: ffff888027695940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81485d6b RBP: ffffc90002f5fb30 R08: dffffc0000000000 R09: ffffed1004ed2b29 R10: ffffed1004ed2b29 R11: 1ffff11004ed2b28 R12: ffffffff812bda35 R13: 0000000000000000 R14: ffffffff81485d6b R15: 1ffff920005ebf54 FS: 00005555804073c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8742d7320 CR3: 00000000752ec000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_irq_disable_rcuidle+0x13/0x180 include/trace/events/preemptirq.h:36 __local_bh_enable_ip+0xcb/0x1b0 kernel/softirq.c:365 fpregs_unlock arch/x86/include/asm/fpu/api.h:78 [inline] restore_fpregs_from_user arch/x86/kernel/fpu/signal.c:300 [inline] __fpu_restore_sig arch/x86/kernel/fpu/signal.c:334 [inline] fpu__restore_sig+0x785/0xf50 arch/x86/kernel/fpu/signal.c:466 restore_sigcontext arch/x86/kernel/signal.c:139 [inline] __ia32_sys_rt_sigreturn+0x649/0x790 arch/x86/kernel/signal.c:674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc8742bdba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffed17bf138 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fc8742bdba9 RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc87430e191 R13: 00007ffed17bf460 R14: 00007ffed17bf170 R15: 0000000000000000 NMI backtrace for cpu 1 CPU: 1 PID: 4191 Comm: syz-executor162 Not tainted 5.15.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 nmi_cpu_backtrace+0x397/0x3d0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_dump_cpu_stacks+0x22f/0x380 kernel/rcu/tree_stall.h:349 print_cpu_stall+0x31d/0x5f0 kernel/rcu/tree_stall.h:633 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline] rcu_pending kernel/rcu/tree.c:3932 [inline] rcu_sched_clock_irq+0x6d8/0x1110 kernel/rcu/tree.c:2619 update_process_times+0x193/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1690 [inline] __hrtimer_run_queues+0x4fe/0xc40 kernel/time/hrtimer.c:1754 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: f6 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4e d6 b1 f7 48 89 df e8 16 ab b2 f7 e8 71 4f d3 f7 fb bf 01 00 00 00 46 cf a6 f7 65 8b 05 e7 e2 57 76 85 c0 74 02 5b c3 e8 94 ed 55 RSP: 0018:ffffc90002ecfbc0 EFLAGS: 00000282 RAX: 9202705682eb1400 RBX: ffff88802a5a8940 RCX: 9202705682eb1400 RDX: dffffc0000000000 RSI: ffffffff8a0b0fc0 RDI: 0000000000000001 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10054b5129 R10: ffffed10054b5129 R11: 1ffff110054b5128 R12: ffff88802a5a8940 R13: 0000000000000021 R14: dffffc0000000000 R15: 000000001c000004 spin_unlock_irq include/linux/spinlock.h:413 [inline] get_signal+0x11d6/0x12c0 kernel/signal.c:2903 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc87430d5e8 Code: 0d c5 3b 03 00 39 48 08 75 ac 48 8b 15 b1 3b 03 00 48 8b 38 48 89 10 c7 05 d9 3b 03 00 00 00 00 00 e8 fc 20 f9 ff eb 8e 00 00 <48> 83 ec 08 48 83 c4 08 c3 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 002b:00007ffed17bf0d8 EFLAGS: 00010202 RAX: 00007fc874341ad0 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 00007fc874343e40 RSI: 0000000000000000 RDI: 00007fc874341ad0 RBP: 00007fc874340130 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fc874343e28 R13: 0000000000000000 R14: 00007fc874343e40 R15: 00007fc874280840