Extracting prog: 7m4.067696135s
Minimizing prog: 39m29.527433675s
Simplifying prog options: 5m5.595678427s
Extracting C: 1m27.499381145s
Simplifying C: 0s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {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$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-recvmmsg$unix
detailed listing:
executing program 0:
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000000000)={0x26, 'rng\x00', 0x0, 0x0, 'ansi_cprng\x00'}, 0x58)
setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000680)="93378efcd17301726272853a9fa88608996042ab60ae09f9a90efedde424f36d", 0x20)
r1 = accept4(r0, 0x0, 0x0, 0x0)
recvmmsg$unix(r1, 0x0, 0x0, 0x40002023, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$sndctrl-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-syz_open_dev$sndctrl-socket$nl_route-sendmsg$nl_route-sendto$inet6-ioctl$SNDRV_CTL_IOCTL_ELEM_INFO
detailed listing:
executing program 0:
r0 = syz_open_dev$sndctrl(&(0x7f0000002800), 0x1f, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x80)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r1}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6)
syz_open_dev$sndctrl(0x0, 0x8, 0x800)
r5 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r5, 0x0, 0x0)
sendto$inet6(0xffffffffffffffff, 0x0, 0x0, 0x4008000, &(0x7f0000000280)={0xa, 0x4e1f, 0x80000, @loopback, 0x7}, 0x1c)
ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r0, 0xc1105511, &(0x7f0000002880)={{0x7, 0x0, 0x0, 0x0, 'syz0\x00'}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 'syz0\x00', 0x0})

program did not crash
testing program (duration=30s, {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}}): setgroups-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sendmsg$nl_route_sched-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-dup-ioctl$KVM_SET_MSRS
detailed listing:
executing program 0:
setgroups(0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
getpid()
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=@newtaction={0x68, 0x30, 0x871a15abc695fb3d, 0x0, 0x0, {}, [{0x54, 0x1, [@m_tunnel_key={0x50, 0x1, 0x0, 0x0, {{0xf}, {0x20, 0x2, 0x0, 0x1, [@TCA_TUNNEL_KEY_PARMS={0x1c, 0x2, {{0xe08, 0x0, 0x2, 0x1, 0x80000000}, 0x2}}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0x68}}, 0x8000)
r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x40, 0x0)
r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0)
r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x2)
r5 = dup(r4)
ioctl$KVM_SET_MSRS(r5, 0xc008ae88, &(0x7f00000002c0)=ANY=[@ANYBLOB="820000000000000005010040"])

program did not crash
testing program (duration=30s, {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-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
r0 = socket(0x2, 0x5, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000002600), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000027c0)={0x0, 0x0, &(0x7f0000002780)={&(0x7f0000000700)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010029bd7000fbdbdf25010000000c000200d6400000000000001c0007800c00018008000100", @ANYRES32=r0, @ANYBLOB="0c00018008000100", @ANYRES32=r0, @ANYBLOB="0c000500cb01"], 0x48}, 0x1, 0x0, 0x0, 0x4000004}, 0x2000c000)

program did not crash
testing program (duration=30s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-timer_settime-futex-poll-epoll_ctl$EPOLL_CTL_ADD-bpf$PROG_LOAD-openat$cgroup_ro-madvise-inotify_init1
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
poll(&(0x7f0000000040)=[{0xffffffffffffffff, 0x3201}], 0x1, 0x10000)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0x20000000})
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x13, 0x4, 0x0, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)
inotify_init1(0x800)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
single: successfully extracted reproducer
found reproducer with 20 syscalls
minimizing guilty program
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-timer_settime-futex-poll-epoll_ctl$EPOLL_CTL_ADD-bpf$PROG_LOAD-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
poll(&(0x7f0000000040)=[{0xffffffffffffffff, 0x3201}], 0x1, 0x10000)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0x20000000})
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x13, 0x4, 0x0, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-timer_settime-futex-poll-epoll_ctl$EPOLL_CTL_ADD-bpf$PROG_LOAD-openat$cgroup_ro
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
poll(&(0x7f0000000040)=[{0xffffffffffffffff, 0x3201}], 0x1, 0x10000)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0x20000000})
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x13, 0x4, 0x0, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)

program did not crash
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-timer_settime-futex-poll-epoll_ctl$EPOLL_CTL_ADD-bpf$PROG_LOAD-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
poll(&(0x7f0000000040)=[{0xffffffffffffffff, 0x3201}], 0x1, 0x10000)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0x20000000})
bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x13, 0x4, 0x0, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-timer_settime-futex-poll-epoll_ctl$EPOLL_CTL_ADD-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
poll(&(0x7f0000000040)=[{0xffffffffffffffff, 0x3201}], 0x1, 0x10000)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f00000000c0)={0x20000000})
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-timer_settime-futex-poll-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
poll(&(0x7f0000000040)=[{0xffffffffffffffff, 0x3201}], 0x1, 0x10000)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-timer_settime-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)=<r2=>0x0)
timer_settime(r2, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_create-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-gettid-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
gettid()
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000)=0x1, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-mincore-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-remap_file_pages-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-mmap-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-syz_open_procfs-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
syz_open_procfs(0x0, &(0x7f0000001200)='attr\x00')
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-msgget$private-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
msgget$private(0x0, 0x181)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-mount-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='pipefs\x00', 0x2, &(0x7f00000000c0)='${^!%!^-\x06(\xdb&\x94}\\\x00')
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): openat$ptmx-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r0=>0x0)
timer_settime(r0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r0=>0x0)
timer_settime(r0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r0=>0x0)
timer_settime(r0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(0x0, 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2000000, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r0=>0x0)
timer_settime(r0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)=<r0=>0x0)
timer_settime(r0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, &(0x7f0000bbdffc)=<r0=>0x0)
timer_settime(r0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, 0x0, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(0x0, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
extracting C reproducer
testing compiled C program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
program did not crash
simplifying guilty program options
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true 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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
validation run: crashed=false
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
validation run: crashed=false
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
validation run: crashed=false
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
validation run: crashed=false
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
validation run: crashed=true
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
validation run: crashed=true
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program did not crash
validation run: crashed=false
testing program (duration=37.886167365s, {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}}): ioctl$TIOCSETD-remap_file_pages-mincore-futex-timer_create-timer_settime-futex-openat$cgroup_ro-madvise
detailed listing:
executing program 0:
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000240)=0x16)
remap_file_pages(&(0x7f0000a2f000/0x1000)=nil, 0x1000, 0x300000f, 0x6, 0x0)
mincore(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x300)
timer_create(0x0, 0x0, 0x0)
timer_settime(0x0, 0x1, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0)
futex(&(0x7f0000000180)=0x1, 0x86, 0x2, 0x0, 0x0, 0x1)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9)

program crashed: WARNING: suspicious RCU usage in proc_sys_compare
validation run: crashed=true
reproducing took 1h6m55.615461524s
repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
6.16.0-rc4-next-20250704-syzkaller #0 Not tainted
-----------------------------
fs/proc/proc_sysctl.c:934 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
3 locks held by syz-executor/5977:
 #0: ffff888023cac428 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:557
 #1: ffff888025bca170 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:884 [inline]
 #1: ffff888025bca170 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline]
 #1: ffff888025bca170 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: path_openat+0x8cb/0x3830 fs/namei.c:4043
 #2: ffff888078252538 (&lockref->lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #2: ffff888078252538 (&lockref->lock){+.+.}-{3:3}, at: d_wait_lookup fs/dcache.c:2537 [inline]
 #2: ffff888078252538 (&lockref->lock){+.+.}-{3:3}, at: d_alloc_parallel+0xbe4/0x15e0 fs/dcache.c:2624

stack backtrace:
CPU: 0 UID: 0 PID: 5977 Comm: syz-executor Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6871
 proc_sys_compare+0x27d/0x2c0 fs/proc/proc_sysctl.c:934
 d_same_name fs/dcache.c:2179 [inline]
 d_alloc_parallel+0x1060/0x15e0 fs/dcache.c:2637
 lookup_open fs/namei.c:3630 [inline]
 open_last_lookups fs/namei.c:3807 [inline]
 path_openat+0xa3b/0x3830 fs/namei.c:4043
 do_filp_open+0x1fa/0x410 fs/namei.c:4073
 do_sys_openat2+0x121/0x1c0 fs/open.c:1434
 do_sys_open fs/open.c:1449 [inline]
 __do_sys_openat fs/open.c:1465 [inline]
 __se_sys_openat fs/open.c:1460 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1460
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f842238d290
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 49 94 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 9c 94 02 00 8b 44
RSP: 002b:00007fffaada7890 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f842238d290
RDX: 0000000000080001 RSI: 00007f842242b038 RDI: 00000000ffffff9c
RBP: 00007f842242b038 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 00007fffaada7930 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
chnl_net:caif_netlink_parms(): no params data found
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered disabled state
bridge_slave_0: entered allmulticast mode
bridge_slave_0: entered promiscuous mode
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_1: entered allmulticast mode
bridge_slave_1: entered promiscuous mode
bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
team0: Port device team_slave_0 added
team0: Port device team_slave_1 added
batman_adv: batadv0: Adding interface: batadv_slave_0
batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
batman_adv: batadv0: Adding interface: batadv_slave_1
batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
hsr_slave_0: entered promiscuous mode
hsr_slave_1: entered promiscuous mode
debugfs: 'hsr0' already exists in 'hsr'
Cannot create hsr debugfs directory
netdevsim netdevsim4 netdevsim0: renamed from eth0
netdevsim netdevsim4 netdevsim1: renamed from eth1
netdevsim netdevsim4 netdevsim2: renamed from eth2
netdevsim netdevsim4 netdevsim3: renamed from eth3
8021q: adding VLAN 0 to HW filter on device bond0
8021q: adding VLAN 0 to HW filter on device team0
8021q: adding VLAN 0 to HW filter on device batadv0
veth0_vlan: entered promiscuous mode
veth1_vlan: entered promiscuous mode
veth0_macvtap: entered promiscuous mode
veth1_macvtap: entered promiscuous mode
batman_adv: batadv0: Interface activated: batadv_slave_0
batman_adv: batadv0: Interface activated: batadv_slave_1

final repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
6.16.0-rc4-next-20250704-syzkaller #0 Not tainted
-----------------------------
fs/proc/proc_sysctl.c:934 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
3 locks held by syz-executor/5977:
 #0: ffff888023cac428 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:557
 #1: ffff888025bca170 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:884 [inline]
 #1: ffff888025bca170 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline]
 #1: ffff888025bca170 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: path_openat+0x8cb/0x3830 fs/namei.c:4043
 #2: ffff888078252538 (&lockref->lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #2: ffff888078252538 (&lockref->lock){+.+.}-{3:3}, at: d_wait_lookup fs/dcache.c:2537 [inline]
 #2: ffff888078252538 (&lockref->lock){+.+.}-{3:3}, at: d_alloc_parallel+0xbe4/0x15e0 fs/dcache.c:2624

stack backtrace:
CPU: 0 UID: 0 PID: 5977 Comm: syz-executor Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6871
 proc_sys_compare+0x27d/0x2c0 fs/proc/proc_sysctl.c:934
 d_same_name fs/dcache.c:2179 [inline]
 d_alloc_parallel+0x1060/0x15e0 fs/dcache.c:2637
 lookup_open fs/namei.c:3630 [inline]
 open_last_lookups fs/namei.c:3807 [inline]
 path_openat+0xa3b/0x3830 fs/namei.c:4043
 do_filp_open+0x1fa/0x410 fs/namei.c:4073
 do_sys_openat2+0x121/0x1c0 fs/open.c:1434
 do_sys_open fs/open.c:1449 [inline]
 __do_sys_openat fs/open.c:1465 [inline]
 __se_sys_openat fs/open.c:1460 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1460
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f842238d290
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 49 94 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 9c 94 02 00 8b 44
RSP: 002b:00007fffaada7890 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f842238d290
RDX: 0000000000080001 RSI: 00007f842242b038 RDI: 00000000ffffff9c
RBP: 00007f842242b038 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 00007fffaada7930 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
chnl_net:caif_netlink_parms(): no params data found
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered disabled state
bridge_slave_0: entered allmulticast mode
bridge_slave_0: entered promiscuous mode
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_1: entered allmulticast mode
bridge_slave_1: entered promiscuous mode
bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
team0: Port device team_slave_0 added
team0: Port device team_slave_1 added
batman_adv: batadv0: Adding interface: batadv_slave_0
batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
batman_adv: batadv0: Adding interface: batadv_slave_1
batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
hsr_slave_0: entered promiscuous mode
hsr_slave_1: entered promiscuous mode
debugfs: 'hsr0' already exists in 'hsr'
Cannot create hsr debugfs directory
netdevsim netdevsim4 netdevsim0: renamed from eth0
netdevsim netdevsim4 netdevsim1: renamed from eth1
netdevsim netdevsim4 netdevsim2: renamed from eth2
netdevsim netdevsim4 netdevsim3: renamed from eth3
8021q: adding VLAN 0 to HW filter on device bond0
8021q: adding VLAN 0 to HW filter on device team0
8021q: adding VLAN 0 to HW filter on device batadv0
veth0_vlan: entered promiscuous mode
veth1_vlan: entered promiscuous mode
veth0_macvtap: entered promiscuous mode
veth1_macvtap: entered promiscuous mode
batman_adv: batadv0: Interface activated: batadv_slave_0
batman_adv: batadv0: Interface activated: batadv_slave_1