Extracting prog: 3m45.380663618s
Minimizing prog: 29m51.112803651s
Simplifying prog options: 0s
Extracting C: 1m13.855720587s
Simplifying C: 7m11.682419952s


extracting reproducer from 44 programs
first checking the prog from the crash report
single: executing 1 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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat$cgroup_root-sched_setscheduler-socket-setsockopt$netlink_NETLINK_TX_RING-socket$inet6_sctp-getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-write-sendmsg$inet
detailed listing:
executing program 0:
r0 = socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r1 = getpgid(0x0)
prlimit64(r1, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r2}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r3 = getpid()
sched_setscheduler(r3, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r4=>0xffffffffffffffff, <r5=>0xffffffffffffffff})
connect$unix(r4, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r5, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r6 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r6, 0x10e, 0xc, 0x0, 0x0)
r7 = socket$inet6_sctp(0xa, 0x5, 0x84)
getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r7, 0x84, 0x84, &(0x7f0000000140)={0x0, @in6={{0xa, 0x0, 0x0, @remote, 0x400}}}, &(0x7f0000000200)=0x90)
write(r6, &(0x7f0000000000)="1c0000001a005f0214f9f407000904001f000000ff020002000000", 0x1b)
sendmsg$inet(r0, &(0x7f0000007940)={&(0x7f0000000000)={0x2, 0x4e24, @dev}, 0x10, 0x0, 0x0, &(0x7f00000000c0)=[@ip_retopts={{0x10}}], 0x10}, 0x0)

program crashed: WARNING in split_huge_page_to_list
single: successfully extracted reproducer
found reproducer with 23 syscalls
minimizing guilty program
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat$cgroup_root-sched_setscheduler-socket-setsockopt$netlink_NETLINK_TX_RING-socket$inet6_sctp-getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS-write
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r5 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r5, 0x10e, 0xc, 0x0, 0x0)
r6 = socket$inet6_sctp(0xa, 0x5, 0x84)
getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x84, &(0x7f0000000140)={0x0, @in6={{0xa, 0x0, 0x0, @remote, 0x400}}}, &(0x7f0000000200)=0x90)
write(r5, &(0x7f0000000000)="1c0000001a005f0214f9f407000904001f000000ff020002000000", 0x1b)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat$cgroup_root-sched_setscheduler-socket-setsockopt$netlink_NETLINK_TX_RING-socket$inet6_sctp-getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r5 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r5, 0x10e, 0xc, 0x0, 0x0)
r6 = socket$inet6_sctp(0xa, 0x5, 0x84)
getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x84, &(0x7f0000000140)={0x0, @in6={{0xa, 0x0, 0x0, @remote, 0x400}}}, &(0x7f0000000200)=0x90)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat$cgroup_root-sched_setscheduler-socket-setsockopt$netlink_NETLINK_TX_RING-socket$inet6_sctp
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r5 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r5, 0x10e, 0xc, 0x0, 0x0)
socket$inet6_sctp(0xa, 0x5, 0x84)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat$cgroup_root-sched_setscheduler-socket-setsockopt$netlink_NETLINK_TX_RING
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r5 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r5, 0x10e, 0xc, 0x0, 0x0)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat$cgroup_root-sched_setscheduler-socket
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
socket(0x10, 0x3, 0x0)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat$cgroup_root-sched_setscheduler
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat$cgroup_root
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)
recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix-sendmmsg$unix
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff, <r4=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)
sendmmsg$unix(r4, &(0x7f00000bd000), 0x318, 0x0)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix-connect$unix
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r3=>0xffffffffffffffff})
connect$unix(r3, &(0x7f0000000180)=@abs, 0x6e)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler-socketpair$unix
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200))

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid-sched_setscheduler
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise-getpid
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)
getpid()

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise-madvise
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)
madvise(&(0x7f000004f000/0x1000)=nil, 0x1000, 0x65)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler-madvise
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-sched_setscheduler
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7)

program did not crash
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-syz_clone3-madvise
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
syz_clone3(&(0x7f00000004c0)={0x200040000, 0x0, 0x0, 0x0, {0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, {r1}}, 0x58)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-openat$sysfs-madvise
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/mem_sleep', 0x102, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-prlimit64-madvise
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
r0 = getpgid(0x0)
prlimit64(r0, 0xe, &(0x7f0000000040)={0x6, 0x420000008b}, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-getpgid-madvise
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
getpgid(0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise-madvise
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)

program crashed: WARNING in split_huge_page_to_list
testing program (duration=51.659799753s, {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$kcm-madvise
detailed listing:
executing program 0:
socket$kcm(0x2, 0x1000000000000002, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)

program did not crash
testing program (duration=51.659799753s, {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}}): madvise-madvise
detailed listing:
executing program 0:
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x64)

program crashed: WARNING in split_huge_page_to_list
extracting C reproducer
testing compiled C program (duration=51.659799753s, {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}}): madvise-madvise
program crashed: WARNING in split_huge_page_to_list
simplifying C reproducer
testing compiled C program (duration=51.659799753s, {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}}): madvise-madvise
program crashed: WARNING in split_huge_page_to_list
testing compiled C program (duration=51.659799753s, {Threaded:false 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}}): madvise-madvise
program crashed: WARNING in split_huge_page_to_list
testing compiled C program (duration=51.659799753s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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}}): madvise-madvise
program crashed: WARNING in split_huge_page_to_list
testing compiled C program (duration=51.659799753s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): madvise-madvise
program crashed: WARNING in split_huge_page_to_list
testing compiled C program (duration=51.659799753s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): madvise-madvise
program crashed: WARNING in split_huge_page_to_list
testing compiled C program (duration=51.659799753s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): madvise-madvise
program crashed: WARNING in split_huge_page_to_list
testing compiled C program (duration=51.659799753s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): madvise-madvise
program crashed: WARNING in split_huge_page_to_list
reproducing took 42m2.031620709s
repro crashed as (corrupted=false):
raw: 05ffc00000410001 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000002ffffffff 0000000000000000
page dumped because: VM_WARN_ON_ONCE_PAGE(is_hzp)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4017 at mm/huge_memory.c:2624 split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
Modules linked in:
CPU: 1 PID: 4017 Comm: syz-executor286 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
lr : split_huge_page_to_list+0x890/0x2d88 mm/huge_memory.c:2624
sp : ffff80001fc37460
x29: ffff80001fc37610 x28: 1fffff800070a000 x27: 0000000000000000
x26: 0000000000000000 x25: ffff80001fc37580 x24: ffff0001fec70d80
x23: dfff800000000000 x22: 05ffc00000410001 x21: fffffc0003850000
x20: ffff800016fd2000 x19: 00000000fffffff0 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800008336cf0 x15: 00000000ffffffff
x14: ffff0000ca130000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 23dd736e657cf500
x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fc368d8 x4 : ffff800014c4fe40 x3 : ffff800008336e3c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000031
Call trace:
 split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
 split_huge_page include/linux/huge_mm.h:192 [inline]
 try_to_split_thp_page+0xf0/0x1d4 mm/memory-failure.c:1454
 memory_failure+0x714/0x1f00 mm/memory-failure.c:1821
 madvise_inject_error mm/madvise.c:973 [inline]
 do_madvise+0x514/0x2c70 mm/madvise.c:1166
 __do_sys_madvise mm/madvise.c:1233 [inline]
 __se_sys_madvise mm/madvise.c:1231 [inline]
 __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1231
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 12932
hardirqs last  enabled at (12931): [<ffff80000832c93c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (12932): [<ffff800011b56334>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (12928): [<ffff8000081b70b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (12928): [<ffff8000081b70b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (12911): [<ffff8000081b7750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace 8d59ae5c1aaf03ce ]---
Memory Failure: 0x121400: thp split failed
Memory failure: 0x121400: recovery action for unsplit thp: Ignored

final repro crashed as (corrupted=false):
raw: 05ffc00000410001 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000002ffffffff 0000000000000000
page dumped because: VM_WARN_ON_ONCE_PAGE(is_hzp)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4017 at mm/huge_memory.c:2624 split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
Modules linked in:
CPU: 1 PID: 4017 Comm: syz-executor286 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
lr : split_huge_page_to_list+0x890/0x2d88 mm/huge_memory.c:2624
sp : ffff80001fc37460
x29: ffff80001fc37610 x28: 1fffff800070a000 x27: 0000000000000000
x26: 0000000000000000 x25: ffff80001fc37580 x24: ffff0001fec70d80
x23: dfff800000000000 x22: 05ffc00000410001 x21: fffffc0003850000
x20: ffff800016fd2000 x19: 00000000fffffff0 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800008336cf0 x15: 00000000ffffffff
x14: ffff0000ca130000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 23dd736e657cf500
x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fc368d8 x4 : ffff800014c4fe40 x3 : ffff800008336e3c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000031
Call trace:
 split_huge_page_to_list+0x89c/0x2d88 mm/huge_memory.c:2624
 split_huge_page include/linux/huge_mm.h:192 [inline]
 try_to_split_thp_page+0xf0/0x1d4 mm/memory-failure.c:1454
 memory_failure+0x714/0x1f00 mm/memory-failure.c:1821
 madvise_inject_error mm/madvise.c:973 [inline]
 do_madvise+0x514/0x2c70 mm/madvise.c:1166
 __do_sys_madvise mm/madvise.c:1233 [inline]
 __se_sys_madvise mm/madvise.c:1231 [inline]
 __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1231
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 12932
hardirqs last  enabled at (12931): [<ffff80000832c93c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (12932): [<ffff800011b56334>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (12928): [<ffff8000081b70b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (12928): [<ffff8000081b70b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (12911): [<ffff8000081b7750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (12911): [<ffff8000081b7750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace 8d59ae5c1aaf03ce ]---
Memory Failure: 0x121400: thp split failed
Memory failure: 0x121400: recovery action for unsplit thp: Ignored