Extracting prog: 2m0.264982796s
Minimizing prog: 22m14.058648685s
Simplifying prog options: 0s
Extracting C: 27.249983346s
Simplifying C: 15m26.924723973s
extracting reproducer from 75 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$igmp-socket$igmp-socket$inet_sctp-sendmsg$inet_sctp-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION-setsockopt$MRT_TABLE
detailed listing:
executing program 0:
socket$igmp(0x2, 0x3, 0x2) (async)
socket$igmp(0x2, 0x3, 0x2)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$inet_sctp(r0, &(0x7f00000006c0)={&(0x7f0000000200)=@in={0x2, 0x4e22, @loopback}, 0x10, &(0x7f0000000600)=[{&(0x7f0000000240)="1a", 0x1}], 0x1, &(0x7f0000000680)=[@init={0x18, 0x84, 0x0, {0x0, 0x6, 0x60f3, 0x32d}}], 0x18, 0x40}, 0x20000050)
r1 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
setsockopt$MRT_TABLE(r1, 0x0, 0xd1, &(0x7f0000000000)=0xff, 0x4)
program crashed: WARNING: suspicious RCU usage in proc_sys_compare
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=38.718011073s, {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$igmp-socket$igmp-socket$inet_sctp-sendmsg$inet_sctp-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
socket$igmp(0x2, 0x3, 0x2) (async)
socket$igmp(0x2, 0x3, 0x2)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$inet_sctp(r0, &(0x7f00000006c0)={&(0x7f0000000200)=@in={0x2, 0x4e22, @loopback}, 0x10, &(0x7f0000000600)=[{&(0x7f0000000240)="1a", 0x1}], 0x1, &(0x7f0000000680)=[@init={0x18, 0x84, 0x0, {0x0, 0x6, 0x60f3, 0x32d}}], 0x18, 0x40}, 0x20000050)
r1 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program crashed: general protection fault in mas_next_slot
testing program (duration=38.718011073s, {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$igmp-socket$igmp-socket$inet_sctp-sendmsg$inet_sctp-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
socket$igmp(0x2, 0x3, 0x2) (async)
socket$igmp(0x2, 0x3, 0x2)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$inet_sctp(r0, &(0x7f00000006c0)={&(0x7f0000000200)=@in={0x2, 0x4e22, @loopback}, 0x10, &(0x7f0000000600)=[{&(0x7f0000000240)="1a", 0x1}], 0x1, &(0x7f0000000680)=[@init={0x18, 0x84, 0x0, {0x0, 0x6, 0x60f3, 0x32d}}], 0x18, 0x40}, 0x20000050)
r1 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
program did not crash
testing program (duration=38.718011073s, {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$igmp-socket$igmp-socket$inet_sctp-sendmsg$inet_sctp-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
socket$igmp(0x2, 0x3, 0x2) (async)
socket$igmp(0x2, 0x3, 0x2)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$inet_sctp(r0, &(0x7f00000006c0)={&(0x7f0000000200)=@in={0x2, 0x4e22, @loopback}, 0x10, &(0x7f0000000600)=[{&(0x7f0000000240)="1a", 0x1}], 0x1, &(0x7f0000000680)=[@init={0x18, 0x84, 0x0, {0x0, 0x6, 0x60f3, 0x32d}}], 0x18, 0x40}, 0x20000050)
r1 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program did not crash
testing program (duration=38.718011073s, {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$igmp-socket$igmp-socket$inet_sctp-sendmsg$inet_sctp-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
socket$igmp(0x2, 0x3, 0x2) (async)
socket$igmp(0x2, 0x3, 0x2)
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
sendmsg$inet_sctp(r0, &(0x7f00000006c0)={&(0x7f0000000200)=@in={0x2, 0x4e22, @loopback}, 0x10, &(0x7f0000000600)=[{&(0x7f0000000240)="1a", 0x1}], 0x1, &(0x7f0000000680)=[@init={0x18, 0x84, 0x0, {0x0, 0x6, 0x60f3, 0x32d}}], 0x18, 0x40}, 0x20000050)
ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program did not crash
testing program (duration=38.718011073s, {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$igmp-socket$igmp-socket$inet_sctp-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
socket$igmp(0x2, 0x3, 0x2) (async)
socket$igmp(0x2, 0x3, 0x2)
socket$inet_sctp(0x2, 0x5, 0x84)
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program crashed: WARNING: bad unlock balance in query_matching_vma
testing program (duration=38.718011073s, {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$igmp-socket$igmp-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
socket$igmp(0x2, 0x3, 0x2) (async)
socket$igmp(0x2, 0x3, 0x2)
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program crashed: stack segment fault in mtree_range_walk
testing program (duration=38.718011073s, {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$igmp-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
socket$igmp(0x2, 0x3, 0x2) (async)
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program crashed: general protection fault in mas_next_slot
testing program (duration=38.718011073s, {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_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program crashed: WARNING: bad unlock balance in query_matching_vma
testing program (duration=38.718011073s, {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_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program did not crash
testing program (duration=38.718011073s, {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_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program did not crash
testing program (duration=38.718011073s, {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_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, 0x0) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program did not crash
testing program (duration=38.718011073s, {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_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=38.718011073s, {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_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: WARNING: suspicious RCU usage in proc_sys_compare
simplifying C reproducer
testing compiled C program (duration=38.718011073s, {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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program did not crash
testing compiled C program (duration=38.718011073s, {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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program did not crash
testing compiled C program (duration=38.718011073s, {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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: WARNING: bad unlock balance in query_matching_vma
testing compiled C program (duration=38.718011073s, {Threaded:true Repeat:true 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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: general protection fault in mas_next_slot
testing compiled C program (duration=38.718011073s, {Threaded:true Repeat:true 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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: general protection fault in mas_next_slot
testing compiled C program (duration=38.718011073s, {Threaded:true Repeat:true 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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: WARNING: bad unlock balance in query_matching_vma
testing compiled C program (duration=38.718011073s, {Threaded:true Repeat:true 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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: general protection fault in mas_next_slot
testing compiled C program (duration=38.718011073s, {Threaded:true Repeat:true 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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: general protection fault in mas_next_slot
testing program (duration=38.718011073s, {Threaded:true Repeat:true 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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program crashed: WARNING: bad unlock balance in query_vma_teardown
validation run: crashed=true
testing program (duration=38.718011073s, {Threaded:true Repeat:true 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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program crashed: stack segment fault in mtree_range_walk
validation run: crashed=true
testing program (duration=38.718011073s, {Threaded:true Repeat:true 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}}): syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000040)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil}) (async)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x3f, 0x2000, &(0x7f0000ffe000/0x2000)=nil})
program crashed: stack segment fault in mtree_range_walk
validation run: crashed=true
reproducing took 44m3.345316355s
repro crashed as (corrupted=false):
Oops: stack segment: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6058 Comm: syz.0.18 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
RIP: 0010:mtree_range_walk+0x2d7/0x840 lib/maple_tree.c:2773
Code: 00 00 48 8d 04 2b 48 83 f8 01 0f 84 b4 00 00 00 e8 6e c6 4f f6 49 83 c4 08 48 ff c3 eb ac e8 60 c6 4f f6 31 db e9 e1 00 00 00 <80> 7d 00 00 74 07 31 ff e8 3c 63 b4 f6 4c 8b 2c 25 00 00 00 00 48
RSP: 0018:ffffc900039df9a0 EFLAGS: 00010297
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000005
RDX: ffffffff8b6fe83a RSI: ffffffff8f893390 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff888025693c00 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f67b2a0b6c0(0000) GS:ffff888125ce7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67b2a0af98 CR3: 0000000075f14000 CR4: 00000000003526f0
Call Trace:
mas_state_walk lib/maple_tree.c:3630 [inline]
mas_walk lib/maple_tree.c:4933 [inline]
mas_find_setup lib/maple_tree.c:6012 [inline]
mas_find+0x8e9/0xd30 lib/maple_tree.c:6052
vma_next include/linux/mm.h:864 [inline]
lock_next_vma+0x101/0xdc0 mm/mmap_lock.c:216
get_next_vma fs/proc/task_mmu.c:182 [inline]
query_vma_find_by_addr fs/proc/task_mmu.c:516 [inline]
query_matching_vma+0x28f/0x4b0 fs/proc/task_mmu.c:545
do_procmap_query fs/proc/task_mmu.c:637 [inline]
procfs_procmap_ioctl+0x406/0xce0 fs/proc/task_mmu.c:748
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:598 [inline]
__se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
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: 0033:0x7f67b1b8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f67b2a0b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f67b1db6080 RCX: 00007f67b1b8e929
RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007f67b1c10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f67b1db6080 R15: 00007ffdeba76008
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:mtree_range_walk+0x2d7/0x840 lib/maple_tree.c:2773
Code: 00 00 48 8d 04 2b 48 83 f8 01 0f 84 b4 00 00 00 e8 6e c6 4f f6 49 83 c4 08 48 ff c3 eb ac e8 60 c6 4f f6 31 db e9 e1 00 00 00 <80> 7d 00 00 74 07 31 ff e8 3c 63 b4 f6 4c 8b 2c 25 00 00 00 00 48
RSP: 0018:ffffc900039df9a0 EFLAGS: 00010297
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000005
RDX: ffffffff8b6fe83a RSI: ffffffff8f893390 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff888025693c00 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f67b2a0b6c0(0000) GS:ffff888125ce7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67b2a0af98 CR3: 0000000075f14000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 48 8d 04 2b lea (%rbx,%rbp,1),%rax
6: 48 83 f8 01 cmp $0x1,%rax
a: 0f 84 b4 00 00 00 je 0xc4
10: e8 6e c6 4f f6 call 0xf64fc683
15: 49 83 c4 08 add $0x8,%r12
19: 48 ff c3 inc %rbx
1c: eb ac jmp 0xffffffca
1e: e8 60 c6 4f f6 call 0xf64fc683
23: 31 db xor %ebx,%ebx
25: e9 e1 00 00 00 jmp 0x10b
* 2a: 80 7d 00 00 cmpb $0x0,0x0(%rbp) <-- trapping instruction
2e: 74 07 je 0x37
30: 31 ff xor %edi,%edi
32: e8 3c 63 b4 f6 call 0xf6b46373
37: 4c 8b 2c 25 00 00 00 mov 0x0,%r13
3e: 00
3f: 48 rex.W
final repro crashed as (corrupted=false):
Oops: stack segment: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6058 Comm: syz.0.18 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
RIP: 0010:mtree_range_walk+0x2d7/0x840 lib/maple_tree.c:2773
Code: 00 00 48 8d 04 2b 48 83 f8 01 0f 84 b4 00 00 00 e8 6e c6 4f f6 49 83 c4 08 48 ff c3 eb ac e8 60 c6 4f f6 31 db e9 e1 00 00 00 <80> 7d 00 00 74 07 31 ff e8 3c 63 b4 f6 4c 8b 2c 25 00 00 00 00 48
RSP: 0018:ffffc900039df9a0 EFLAGS: 00010297
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000005
RDX: ffffffff8b6fe83a RSI: ffffffff8f893390 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff888025693c00 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f67b2a0b6c0(0000) GS:ffff888125ce7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67b2a0af98 CR3: 0000000075f14000 CR4: 00000000003526f0
Call Trace:
mas_state_walk lib/maple_tree.c:3630 [inline]
mas_walk lib/maple_tree.c:4933 [inline]
mas_find_setup lib/maple_tree.c:6012 [inline]
mas_find+0x8e9/0xd30 lib/maple_tree.c:6052
vma_next include/linux/mm.h:864 [inline]
lock_next_vma+0x101/0xdc0 mm/mmap_lock.c:216
get_next_vma fs/proc/task_mmu.c:182 [inline]
query_vma_find_by_addr fs/proc/task_mmu.c:516 [inline]
query_matching_vma+0x28f/0x4b0 fs/proc/task_mmu.c:545
do_procmap_query fs/proc/task_mmu.c:637 [inline]
procfs_procmap_ioctl+0x406/0xce0 fs/proc/task_mmu.c:748
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:598 [inline]
__se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
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: 0033:0x7f67b1b8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f67b2a0b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f67b1db6080 RCX: 00007f67b1b8e929
RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007f67b1c10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f67b1db6080 R15: 00007ffdeba76008
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:mtree_range_walk+0x2d7/0x840 lib/maple_tree.c:2773
Code: 00 00 48 8d 04 2b 48 83 f8 01 0f 84 b4 00 00 00 e8 6e c6 4f f6 49 83 c4 08 48 ff c3 eb ac e8 60 c6 4f f6 31 db e9 e1 00 00 00 <80> 7d 00 00 74 07 31 ff e8 3c 63 b4 f6 4c 8b 2c 25 00 00 00 00 48
RSP: 0018:ffffc900039df9a0 EFLAGS: 00010297
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000005
RDX: ffffffff8b6fe83a RSI: ffffffff8f893390 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff888025693c00 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f67b2a0b6c0(0000) GS:ffff888125ce7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67b2a0af98 CR3: 0000000075f14000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 48 8d 04 2b lea (%rbx,%rbp,1),%rax
6: 48 83 f8 01 cmp $0x1,%rax
a: 0f 84 b4 00 00 00 je 0xc4
10: e8 6e c6 4f f6 call 0xf64fc683
15: 49 83 c4 08 add $0x8,%r12
19: 48 ff c3 inc %rbx
1c: eb ac jmp 0xffffffca
1e: e8 60 c6 4f f6 call 0xf64fc683
23: 31 db xor %ebx,%ebx
25: e9 e1 00 00 00 jmp 0x10b
* 2a: 80 7d 00 00 cmpb $0x0,0x0(%rbp) <-- trapping instruction
2e: 74 07 je 0x37
30: 31 ff xor %edi,%edi
32: e8 3c 63 b4 f6 call 0xf6b46373
37: 4c 8b 2c 25 00 00 00 mov 0x0,%r13
3e: 00
3f: 48 rex.W