Extracting prog: 10m0.08179227s Minimizing prog: 2h4m12.989124439s Simplifying prog options: 12m12.10425824s Extracting C: 2m18.076621078s Simplifying C: 0s extracting reproducer from 37 programs testing a last program of every proc single: executing 7 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}}): sendmsg$nl_route-sendmsg$nl_route-sendmsg$nl_route-sendmsg$nl_route_sched-socket$netlink-sendmmsg detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x44}, 0x1, 0x0, 0x0, 0x8000010}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[], 0x50}, 0x1, 0x0, 0x0, 0x13d33d22cca65c15}, 0x4008840) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="4400000010003b1500"/20, @ANYRES32=0x0, @ANYBLOB="662700000000000024001280090001007866726d"], 0x44}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) sendmmsg(r0, &(0x7f00000002c0), 0x40000000000009f, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-timer_create-fcntl$lock-mprotect-timer_settime-bpf$BPF_GET_PROG_INFO-bpf$BPF_BTF_GET_FD_BY_ID-syz_emit_vhci-recvmmsg detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r4, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) bpf$BPF_GET_PROG_INFO(0xf, 0x0, 0x0) bpf$BPF_BTF_GET_FD_BY_ID(0x13, 0x0, 0x0) syz_emit_vhci(0x0, 0x11) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 25 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-timer_create-fcntl$lock-mprotect-timer_settime-bpf$BPF_GET_PROG_INFO-bpf$BPF_BTF_GET_FD_BY_ID-syz_emit_vhci detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r4, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) bpf$BPF_GET_PROG_INFO(0xf, 0x0, 0x0) bpf$BPF_BTF_GET_FD_BY_ID(0x13, 0x0, 0x0) syz_emit_vhci(0x0, 0x11) 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-timer_create-fcntl$lock-mprotect-timer_settime-bpf$BPF_GET_PROG_INFO-bpf$BPF_BTF_GET_FD_BY_ID detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r4, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) bpf$BPF_GET_PROG_INFO(0xf, 0x0, 0x0) bpf$BPF_BTF_GET_FD_BY_ID(0x13, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-timer_create-fcntl$lock-mprotect-timer_settime-bpf$BPF_GET_PROG_INFO detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r4, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) bpf$BPF_GET_PROG_INFO(0xf, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r4, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in waitid 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-timer_create-fcntl$lock-mprotect detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-timer_create-fcntl$lock-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) timer_settime(r4, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-timer_create-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r4, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-waitid$P_PIDFD-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) r3 = syz_pidfd_open(r2, 0x0) waitid$P_PIDFD(0x3, r3, 0x0, 0xa000000c, 0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-syz_pidfd_open-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) syz_pidfd_open(r2, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r3, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in dentry_kill 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-ptrace-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) ptrace(0x10, r2) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r3, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-wait4-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) r2 = syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) wait4(r2, 0x0, 0x80000000, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r3, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in dentry_kill 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-syz_clone-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) syz_clone(0x1800000, 0x0, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in security_file_open 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-writev-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f00000002c0)="553362056d478a41004dfe8d6c4fa51c2e766fe0c4057115a7cea85adb26b2b57dc6bbe8bf3a46941dcc4ae840025693006614410a5032ccadce1c8c53f6a72a563165f146ac96861dba85a0cc659e64d6afb5ecfcb2092b8e3ebab095296c164059d3de606d499d55b43eb56790eef94495a8a4ce59972e8aeffc55e2d967eff4b523f8091cfd699ae69a8e8fd6039fb3f5ed8986148b6643bba0889b3eac5cf378be04f0e5cf03036b19380c95087a73e22e77f885fe2d0f741db2c0bba5b88141d6b2b32ef0b5d1b07998ebd86d857d502740477ef43353749ac5", 0xdc}], 0x1) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-connect$unix-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e24}, 0x6e) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in mld_ifc_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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-socketpair$unix-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in nsim_fib_event_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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-mmap-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-getpid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-prlimit64-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-lseek-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) r0 = syz_open_procfs(0x0, 0x0) lseek(r0, 0x2000, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-socket$xdp-syz_open_procfs-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) syz_open_procfs(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in security_file_open 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}}): sendmsg$nl_route-socket$xdp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) socket$xdp(0x2c, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 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}}): sendmsg$nl_route-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in security_file_open 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in do_idle 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, 0x0, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, 0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}}, 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in sys_sendto a never seen crash title: INFO: rcu detected stall in sys_sendto, 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 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$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x2}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in kthread validation run: crashed=true reproducing took 2h36m10.489221509s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=13273, q=641 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294959287-4294948785), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g13273 f0x0 RCU_GP_INIT(4) ->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:27672 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa00 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:rcu_gp_init+0xbb4/0x1480 kernel/rcu/tree.c:1983 Code: d0 0c 48 83 fd 02 0f 83 32 05 00 00 48 8d 44 ad 00 48 c1 e0 08 48 05 c0 14 bf 8e 48 39 c3 0f 83 29 01 00 00 8b 3d 2c 61 84 19 37 82 ff ff 48 89 df e8 6f aa cd 09 48 89 c5 e8 97 d1 ca 09 41 RSP: 0018:ffffc90000157cb8 EFLAGS: 00000282 RAX: ffffed1003d5809e RBX: ffffffff8ebf14c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88801eac04f0 RDI: 0000000000000000 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: ffff88801eac0000 R13: ffffffff94654540 R14: dffffc0000000000 R15: ffffffff8ebf19c0 rcu_gp_kthread+0xb2/0x230 kernel/rcu/tree.c:2315 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6021 Comm: syz.0.43 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:98 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:115 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:140 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:172 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:191 [inline] RIP: 0010:kasan_check_range+0x180/0x1e0 mm/kasan/generic.c:200 Code: ff ff ff 48 85 d2 74 98 48 01 ea eb 1a 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 83 c0 01 48 39 d0 0f 84 79 ff ff ff 80 38 00 <74> ee e9 57 ff ff ff b8 01 00 00 00 c3 cc cc cc cc 48 29 c3 48 89 RSP: 0018:ffffc90000007fb8 EFLAGS: 00000046 RAX: fffffbfff22447f2 RBX: fffffbfff22447f3 RCX: ffffffff81b53036 RDX: fffffbfff22447f3 RSI: 0000000000000008 RDI: ffffffff91223f90 RBP: fffffbfff22447f2 R08: 0000000000000000 R09: fffffbfff22447f2 R10: ffffffff91223f97 R11: ffffc90000007ff8 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fc1339f96c0(0000) GS:ffff888123de8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 0000000076794000 CR4: 00000000003526f0 Call Trace: instrument_atomic_read include/linux/instrumented.h:82 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] cpumask_test_cpu include/linux/cpumask.h:651 [inline] cpu_online include/linux/cpumask.h:1233 [inline] trace_local_timer_entry arch/x86/include/asm/trace/irq_vectors.h:40 [inline] __sysvec_apic_timer_interrupt+0x66/0x470 arch/x86/kernel/apic/apic.c:1067 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0x9e/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lock_acquire+0x5e/0x370 kernel/locking/lockdep.c:5872 Code: 05 fb 0d 7e 12 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 46 cd 3c 0f 0f 82 ac 02 00 00 8b 35 0e 01 3d 0f 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 9d 0d 7e 12 0f 85 ec 02 00 00 48 83 c4 RSP: 0018:ffffc90003a1fa38 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000000 RCX: edbc7214ceca522d RDX: 0000000000000000 RSI: ffffffff8e17e526 RDI: ffffffff8c401280 RBP: ffff88807ca069b8 R08: 00000000ffffffff R09: 00000000000001c8 R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 __might_fault+0xde/0x140 mm/memory.c:7292 __copy_from_user include/linux/uaccess.h:115 [inline] check_xstate_in_sigframe arch/x86/kernel/fpu/signal.c:35 [inline] __fpu_restore_sig+0xee/0x13b0 arch/x86/kernel/fpu/signal.c:340 fpu__restore_sig+0x151/0x190 arch/x86/kernel/fpu/signal.c:485 restore_sigcontext+0x4cb/0x6a0 arch/x86/kernel/signal_64.c:95 __do_sys_rt_sigreturn+0x229/0x2c0 arch/x86/kernel/signal_64.c:268 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc132b9de97 Code: 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 RSP: 002b:00007fc1339f90e8 EFLAGS: 00000246 RAX: 00000000000000ca RBX: 00007fc132e25fa8 RCX: 00007fc132b9de99 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc132e25fa8 RBP: 00007fc132e25fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc132e26038 R14: 00007ffc24e24500 R15: 00007ffc24e245e8 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=13273, q=641 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294959287-4294948785), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g13273 f0x0 RCU_GP_INIT(4) ->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:27672 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0xa00 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:rcu_gp_init+0xbb4/0x1480 kernel/rcu/tree.c:1983 Code: d0 0c 48 83 fd 02 0f 83 32 05 00 00 48 8d 44 ad 00 48 c1 e0 08 48 05 c0 14 bf 8e 48 39 c3 0f 83 29 01 00 00 8b 3d 2c 61 84 19 37 82 ff ff 48 89 df e8 6f aa cd 09 48 89 c5 e8 97 d1 ca 09 41 RSP: 0018:ffffc90000157cb8 EFLAGS: 00000282 RAX: ffffed1003d5809e RBX: ffffffff8ebf14c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88801eac04f0 RDI: 0000000000000000 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: ffff88801eac0000 R13: ffffffff94654540 R14: dffffc0000000000 R15: ffffffff8ebf19c0 rcu_gp_kthread+0xb2/0x230 kernel/rcu/tree.c:2315 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6021 Comm: syz.0.43 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:98 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:115 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:140 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:172 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:191 [inline] RIP: 0010:kasan_check_range+0x180/0x1e0 mm/kasan/generic.c:200 Code: ff ff ff 48 85 d2 74 98 48 01 ea eb 1a 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 83 c0 01 48 39 d0 0f 84 79 ff ff ff 80 38 00 <74> ee e9 57 ff ff ff b8 01 00 00 00 c3 cc cc cc cc 48 29 c3 48 89 RSP: 0018:ffffc90000007fb8 EFLAGS: 00000046 RAX: fffffbfff22447f2 RBX: fffffbfff22447f3 RCX: ffffffff81b53036 RDX: fffffbfff22447f3 RSI: 0000000000000008 RDI: ffffffff91223f90 RBP: fffffbfff22447f2 R08: 0000000000000000 R09: fffffbfff22447f2 R10: ffffffff91223f97 R11: ffffc90000007ff8 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fc1339f96c0(0000) GS:ffff888123de8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 0000000076794000 CR4: 00000000003526f0 Call Trace: instrument_atomic_read include/linux/instrumented.h:82 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] cpumask_test_cpu include/linux/cpumask.h:651 [inline] cpu_online include/linux/cpumask.h:1233 [inline] trace_local_timer_entry arch/x86/include/asm/trace/irq_vectors.h:40 [inline] __sysvec_apic_timer_interrupt+0x66/0x470 arch/x86/kernel/apic/apic.c:1067 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0x9e/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lock_acquire+0x5e/0x370 kernel/locking/lockdep.c:5872 Code: 05 fb 0d 7e 12 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 46 cd 3c 0f 0f 82 ac 02 00 00 8b 35 0e 01 3d 0f 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 9d 0d 7e 12 0f 85 ec 02 00 00 48 83 c4 RSP: 0018:ffffc90003a1fa38 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000000 RCX: edbc7214ceca522d RDX: 0000000000000000 RSI: ffffffff8e17e526 RDI: ffffffff8c401280 RBP: ffff88807ca069b8 R08: 00000000ffffffff R09: 00000000000001c8 R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 __might_fault+0xde/0x140 mm/memory.c:7292 __copy_from_user include/linux/uaccess.h:115 [inline] check_xstate_in_sigframe arch/x86/kernel/fpu/signal.c:35 [inline] __fpu_restore_sig+0xee/0x13b0 arch/x86/kernel/fpu/signal.c:340 fpu__restore_sig+0x151/0x190 arch/x86/kernel/fpu/signal.c:485 restore_sigcontext+0x4cb/0x6a0 arch/x86/kernel/signal_64.c:95 __do_sys_rt_sigreturn+0x229/0x2c0 arch/x86/kernel/signal_64.c:268 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc132b9de97 Code: 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 RSP: 002b:00007fc1339f90e8 EFLAGS: 00000246 RAX: 00000000000000ca RBX: 00007fc132e25fa8 RCX: 00007fc132b9de99 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc132e25fa8 RBP: 00007fc132e25fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc132e26038 R14: 00007ffc24e24500 R15: 00007ffc24e245e8