Extracting prog: 9m10.671332277s Minimizing prog: 1h54m24.011911576s Simplifying prog options: 0s Extracting C: 2m10.994970166s Simplifying C: 54m46.297958688s 6 programs, 3 VMs, timeouts [6m0s] extracting reproducer from 6 programs single: executing 4 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}}): socket$kcm-socketpair$tipc-mount$bind-setsockopt$sock_attach_bpf-sendmsg$kcm detailed listing: executing program 0: r0 = socket$kcm(0xa, 0x922000000003, 0x11) socketpair$tipc(0x1e, 0x0, 0x0, 0x0) mount$bind(0x0, 0x0, 0x0, 0x0, 0x0) setsockopt$sock_attach_bpf(r0, 0x29, 0x24, &(0x7f00000000c0), 0x4) sendmsg$kcm(r0, &(0x7f0000000000)={&(0x7f00000007c0)=@l2tp6={0xa, 0x0, 0x0, @mcast1, 0x7}, 0x80, &(0x7f0000000080)=[{&(0x7f0000000780)="f4000900062b2c25fe80000000000000dc8b850f238466cc00007a000000ad6e911b51818462b4003a000001", 0x2c}], 0x1}, 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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-futex-prctl$PR_SET_SECCOMP-prctl$PR_SET_NAME-prctl$PR_SET_SECCOMP-timer_create-timer_settime-setresuid-bpf$PROG_LOAD detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000480)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) prctl$PR_SET_NAME(0xf, &(0x7f0000000000)='l%\x86\xce6\xdb\f\xcf\x19|\xc9O\x7f\xce\x8f\x7f\x1c\xeay\x06\x00\x00\x00\a0\r\x13\xaa\x84r\xd7^\xe82\x0f\x1a\xf1\x02\x00\x1e&{\xee2\x95I\xca\xbevl\x12\xb6 \xd4') prctl$PR_SET_SECCOMP(0x10, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) setresuid(0x0, 0xee01, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0x4, &(0x7f0000000300)=ANY=[@ANYBLOB="1800010000000000000000000000000085000000000000009500000000000000"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode single: successfully extracted reproducer found reproducer with 17 syscalls minimizing guilty program testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-futex-prctl$PR_SET_SECCOMP-prctl$PR_SET_NAME-prctl$PR_SET_SECCOMP-timer_create-timer_settime-setresuid detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000480)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) prctl$PR_SET_NAME(0xf, &(0x7f0000000000)='l%\x86\xce6\xdb\f\xcf\x19|\xc9O\x7f\xce\x8f\x7f\x1c\xeay\x06\x00\x00\x00\a0\r\x13\xaa\x84r\xd7^\xe82\x0f\x1a\xf1\x02\x00\x1e&{\xee2\x95I\xca\xbevl\x12\xb6 \xd4') prctl$PR_SET_SECCOMP(0x10, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) setresuid(0x0, 0xee01, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-futex-prctl$PR_SET_SECCOMP-prctl$PR_SET_NAME-prctl$PR_SET_SECCOMP-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000480)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) prctl$PR_SET_NAME(0xf, &(0x7f0000000000)='l%\x86\xce6\xdb\f\xcf\x19|\xc9O\x7f\xce\x8f\x7f\x1c\xeay\x06\x00\x00\x00\a0\r\x13\xaa\x84r\xd7^\xe82\x0f\x1a\xf1\x02\x00\x1e&{\xee2\x95I\xca\xbevl\x12\xb6 \xd4') prctl$PR_SET_SECCOMP(0x10, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in batadv_nc_worker testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-futex-prctl$PR_SET_SECCOMP-prctl$PR_SET_NAME-prctl$PR_SET_SECCOMP-timer_create detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000480)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) prctl$PR_SET_NAME(0xf, &(0x7f0000000000)='l%\x86\xce6\xdb\f\xcf\x19|\xc9O\x7f\xce\x8f\x7f\x1c\xeay\x06\x00\x00\x00\a0\r\x13\xaa\x84r\xd7^\xe82\x0f\x1a\xf1\x02\x00\x1e&{\xee2\x95I\xca\xbevl\x12\xb6 \xd4') prctl$PR_SET_SECCOMP(0x10, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) program did not crash testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-futex-prctl$PR_SET_SECCOMP-prctl$PR_SET_NAME-prctl$PR_SET_SECCOMP-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000480)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) prctl$PR_SET_NAME(0xf, &(0x7f0000000000)='l%\x86\xce6\xdb\f\xcf\x19|\xc9O\x7f\xce\x8f\x7f\x1c\xeay\x06\x00\x00\x00\a0\r\x13\xaa\x84r\xd7^\xe82\x0f\x1a\xf1\x02\x00\x1e&{\xee2\x95I\xca\xbevl\x12\xb6 \xd4') prctl$PR_SET_SECCOMP(0x10, 0x0, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-futex-prctl$PR_SET_SECCOMP-prctl$PR_SET_NAME-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000480)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) prctl$PR_SET_NAME(0xf, &(0x7f0000000000)='l%\x86\xce6\xdb\f\xcf\x19|\xc9O\x7f\xce\x8f\x7f\x1c\xeay\x06\x00\x00\x00\a0\r\x13\xaa\x84r\xd7^\xe82\x0f\x1a\xf1\x02\x00\x1e&{\xee2\x95I\xca\xbevl\x12\xb6 \xd4') timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-futex-prctl$PR_SET_SECCOMP-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000480)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-futex-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(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=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-getpid-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) getpid() timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(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=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-mmap-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-getpgrp-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) getpgrp(r1) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in sys_clone3 testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-ioctl$sock_FIOGETOWN-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=9m0s, {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}}): socket$inet6-syz_emit_ethernet-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x3, 0xff) syz_emit_ethernet(0x46, &(0x7f0000000340)=ANY=[@ANYRES32=r0], 0x0) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=9m0s, {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}}): socket$inet6-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: socket$inet6(0xa, 0x3, 0xff) prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=9m0s, {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, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=9m0s, {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, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=9m0s, {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, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=9m0s, {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, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, 0x0, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=9m0s, {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, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=9m0s, {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, &(0x7f0000000080)={0x8, 0x8d}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=9m0s, {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=9m0s, {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=9m0s, {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 did not crash testing compiled C program (duration=9m0s, {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 did not crash testing compiled C program (duration=9m0s, {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: INFO: rcu detected stall in syscall_exit_to_user_mode testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 getpid testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 did not crash testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 syscall_exit_to_user_mode testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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_enter_from_user_mode testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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: INFO: rcu detected stall in syscall_exit_to_user_mode testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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: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=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false 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=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false 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 reproducing took 3h0m31.976190027s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 0, t=10502 jiffies, g=4569, q=16) rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294967669-4294957168), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g4569 f0x2 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:27064 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 rcu: Stack dump where RCU GP kthread last ran: NMI backtrace for cpu 0 CPU: 0 PID: 3542 Comm: syz-executor436 Not tainted 5.15.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline] rcu_pending kernel/rcu/tree.c:3932 [inline] rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619 update_process_times+0x196/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 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: 21 80 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 be 11 3b f7 48 89 df e8 96 65 3c f7 e8 b1 1d 5f f7 fb bf 01 00 00 00 d6 ab 2f f7 65 8b 05 57 b2 da 75 85 c0 74 02 5b c3 e8 24 cf d8 RSP: 0018:ffffc90002e47bc0 EFLAGS: 00000282 RAX: 40da3a3565e7b900 RBX: ffff888023231280 RCX: ffffffff913f0f03 RDX: dffffc0000000000 RSI: ffffffff8a8b2a00 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff8186db40 R09: ffffed1004646251 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 R13: dffffc0000000000 R14: ffff888023231718 R15: ffff888023231280 spin_unlock_irq include/linux/spinlock.h:413 [inline] get_signal+0x13ee/0x14e0 kernel/signal.c:2892 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x97/0x130 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+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fbdfa505e79 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 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:00007ffe44b3fa48 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fbdfa505e79 RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000055555726e370 R13: 0000000000000003 R14: 00007ffe44b3fac0 R15: 00007ffe44b3fab0 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 0, t=10502 jiffies, g=4569, q=16) rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294967669-4294957168), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g4569 f0x2 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:27064 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 rcu: Stack dump where RCU GP kthread last ran: NMI backtrace for cpu 0 CPU: 0 PID: 3542 Comm: syz-executor436 Not tainted 5.15.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline] rcu_pending kernel/rcu/tree.c:3932 [inline] rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619 update_process_times+0x196/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 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: 21 80 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 be 11 3b f7 48 89 df e8 96 65 3c f7 e8 b1 1d 5f f7 fb bf 01 00 00 00 d6 ab 2f f7 65 8b 05 57 b2 da 75 85 c0 74 02 5b c3 e8 24 cf d8 RSP: 0018:ffffc90002e47bc0 EFLAGS: 00000282 RAX: 40da3a3565e7b900 RBX: ffff888023231280 RCX: ffffffff913f0f03 RDX: dffffc0000000000 RSI: ffffffff8a8b2a00 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff8186db40 R09: ffffed1004646251 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 R13: dffffc0000000000 R14: ffff888023231718 R15: ffff888023231280 spin_unlock_irq include/linux/spinlock.h:413 [inline] get_signal+0x13ee/0x14e0 kernel/signal.c:2892 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x97/0x130 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+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fbdfa505e79 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 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:00007ffe44b3fa48 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fbdfa505e79 RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000055555726e370 R13: 0000000000000003 R14: 00007ffe44b3fac0 R15: 00007ffe44b3fab0