Extracting prog: 26.270043629s Minimizing prog: 38m25.541816278s Simplifying prog options: 0s Extracting C: 56.520499453s Simplifying C: 10m39.388810702s extracting reproducer from 72 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU-openat-openat-read$FUSE-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-syz_kvm_setup_cpu$x86-syz_kvm_setup_cpu$x86-socket$inet6 detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r2 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r2, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r4 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r4, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r5 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, 0xffffffffffffffff, 0x0) r6 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r6, r6) r7 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) (async) r8 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) read$FUSE(r8, &(0x7f00000028c0)={0x2020}, 0x147b) r9 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x2) syz_kvm_setup_cpu$x86(r8, r9, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000100)="0f01c40f350f01c1f26ec4e21dad3382690000260fc75a000fc72d200e0000c4e1cd73db460f21f5", 0x28}], 0x1, 0xeed29b446c0e10ff, &(0x7f0000000180), 0x0) syz_kvm_setup_cpu$x86(r0, r7, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000080)=[@text32={0x20, &(0x7f0000000000)="66baf80cb869edfe89ef66bafc0cecb8010000000f01d93e362626f2640f01df66ba4300b8ae000000efb805000000b9005000000f01d90f08ea0d0000002501c4e3ed69fde6660f35660f3a0ba9f100000000", 0x53}], 0x1, 0x2c, &(0x7f00000000c0), 0x0) (async) syz_kvm_setup_cpu$x86(r0, r7, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000080)=[@text32={0x20, &(0x7f0000000000)="66baf80cb869edfe89ef66bafc0cecb8010000000f01d93e362626f2640f01df66ba4300b8ae000000efb805000000b9005000000f01d90f08ea0d0000002501c4e3ed69fde6660f35660f3a0ba9f100000000", 0x53}], 0x1, 0x2c, &(0x7f00000000c0), 0x0) socket$inet6(0xa, 0x80803, 0x87) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir single: successfully extracted reproducer found reproducer with 40 syscalls minimizing guilty program testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU-openat-openat-read$FUSE-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-syz_kvm_setup_cpu$x86-syz_kvm_setup_cpu$x86 detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r2 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r2, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r4 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r4, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r5 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, 0xffffffffffffffff, 0x0) r6 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r6, r6) r7 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) (async) r8 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) read$FUSE(r8, &(0x7f00000028c0)={0x2020}, 0x147b) r9 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x2) syz_kvm_setup_cpu$x86(r8, r9, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000100)="0f01c40f350f01c1f26ec4e21dad3382690000260fc75a000fc72d200e0000c4e1cd73db460f21f5", 0x28}], 0x1, 0xeed29b446c0e10ff, &(0x7f0000000180), 0x0) syz_kvm_setup_cpu$x86(r0, r7, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000080)=[@text32={0x20, &(0x7f0000000000)="66baf80cb869edfe89ef66bafc0cecb8010000000f01d93e362626f2640f01df66ba4300b8ae000000efb805000000b9005000000f01d90f08ea0d0000002501c4e3ed69fde6660f35660f3a0ba9f100000000", 0x53}], 0x1, 0x2c, &(0x7f00000000c0), 0x0) (async) syz_kvm_setup_cpu$x86(r0, r7, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000080)=[@text32={0x20, &(0x7f0000000000)="66baf80cb869edfe89ef66bafc0cecb8010000000f01d93e362626f2640f01df66ba4300b8ae000000efb805000000b9005000000f01d90f08ea0d0000002501c4e3ed69fde6660f35660f3a0ba9f100000000", 0x53}], 0x1, 0x2c, &(0x7f00000000c0), 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU-openat-openat-read$FUSE-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-syz_kvm_setup_cpu$x86 detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r2 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r2, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r4 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r4, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r5 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, 0xffffffffffffffff, 0x0) r6 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r6, r6) r7 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) (async) r8 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) read$FUSE(r8, &(0x7f00000028c0)={0x2020}, 0x147b) r9 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x2) syz_kvm_setup_cpu$x86(r8, r9, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000100)="0f01c40f350f01c1f26ec4e21dad3382690000260fc75a000fc72d200e0000c4e1cd73db460f21f5", 0x28}], 0x1, 0xeed29b446c0e10ff, &(0x7f0000000180), 0x0) syz_kvm_setup_cpu$x86(r0, r7, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000080)=[@text32={0x20, &(0x7f0000000000)="66baf80cb869edfe89ef66bafc0cecb8010000000f01d93e362626f2640f01df66ba4300b8ae000000efb805000000b9005000000f01d90f08ea0d0000002501c4e3ed69fde6660f35660f3a0ba9f100000000", 0x53}], 0x1, 0x2c, &(0x7f00000000c0), 0x0) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU-openat-openat-read$FUSE-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86 detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r2 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r2, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r4 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r4, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r5 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, 0xffffffffffffffff, 0x0) r6 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r6, r6) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) (async) r7 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) read$FUSE(r7, &(0x7f00000028c0)={0x2020}, 0x147b) r8 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x2) syz_kvm_setup_cpu$x86(r7, r8, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000100)="0f01c40f350f01c1f26ec4e21dad3382690000260fc75a000fc72d200e0000c4e1cd73db460f21f5", 0x28}], 0x1, 0xeed29b446c0e10ff, &(0x7f0000000180), 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU-openat-openat-read$FUSE-ioctl$KVM_CREATE_VCPU detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r2 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r2, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r4 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r4, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r4, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r3, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r4, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r5 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, 0xffffffffffffffff, 0x0) r6 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r6, r6) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) (async) r7 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) read$FUSE(r7, &(0x7f00000028c0)={0x2020}, 0x147b) ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x2) program crashed: KASAN: use-after-free Read in incfs_free_mount_info testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU-openat-openat-read$FUSE detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r4 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, 0xffffffffffffffff, 0x0) r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r5, r5) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) (async) r6 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) read$FUSE(r6, &(0x7f00000028c0)={0x2020}, 0x147b) program crashed: KASAN: use-after-free Read in incfs_free_mount_info testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU-openat-openat detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r4 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, 0xffffffffffffffff, 0x0) r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r5, r5) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) (async) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU-openat detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r4 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, 0xffffffffffffffff, 0x0) r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r5, r5) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file2\x00', 0x80000, 0x0) (async) program crashed: KASAN: use-after-free Read in incfs_free_mount_info testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid-ioctl$KVM_CREATE_VCPU detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r4 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, 0xffffffffffffffff, 0x0) r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r5, r5) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) program crashed: KASAN: use-after-free Read in incfs_free_mount_info testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone-setpgid detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r4 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, 0xffffffffffffffff, 0x0) r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r5, r5) program crashed: KASAN: use-after-free Read in incfs_free_mount_info testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD-syz_clone detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r4 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, 0xffffffffffffffff, 0x0) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) r4 = epoll_create(0x80) epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, 0xffffffffffffffff, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex-epoll_create detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) epoll_create(0x80) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex-futex detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API-futex detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa0090199) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc-ioctl$UFFDIO_API detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN-sendmsg$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) sendmsg$tipc(r3, &(0x7f0000000380)={&(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42, 0x4}}}, 0x10, 0x0}, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN-setsockopt$TIPC_GROUP_JOIN detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc-setsockopt$TIPC_GROUP_JOIN detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000100)={0x42, 0x4, 0x2}, 0x10) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc-bind$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc-bind$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r3, &(0x7f00000001c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc-bind$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc-bind$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r3 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r3, &(0x7f0000000140)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc-socket$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) socket$tipc(0x1e, 0x2, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc-bind$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc-bind$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) r2 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime-socket$tipc detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) socket$tipc(0x1e, 0x2, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect-timer_settime detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r1 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r1, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown-mprotect detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r0 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r0, 0xffffffffffffffff, 0xffffffffffffffff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir-fchown detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') r0 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fchown(r0, 0xffffffffffffffff, 0xffffffffffffffff) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir-open$dir detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir-chdir detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) chdir(&(0x7f00000001c0)='./bus\x00') program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs-chdir detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) chdir(&(0x7f00000001c0)='./bus\x00') (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs-mount$incfs detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir-mount$incfs detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mkdir detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) program did not crash testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-fcntl$lock-mount$incfs detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x6}) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) program did not crash testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-timer_create-mkdir-mount$incfs detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) timer_create(0x0, &(0x7f0000000200)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f00000002c0)) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VM-mkdir-mount$incfs detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-mkdir-mount$incfs detailed listing: executing program 0: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x2a) (async) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(0x0, 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) program did not crash testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(0x0, &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) program did not crash testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', 0x0, &(0x7f0000000840), 0x1004002, 0x0) program did not crash testing program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', 0x0, 0x1004002, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir simplifying C reproducer testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program did not crash testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program did not crash testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program did not crash testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing compiled C program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs program crashed: KASAN: null-ptr-deref Write in vfs_rmdir testing program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir validation run: crashed=true testing program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir validation run: crashed=true testing program (duration=35.778981882s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs detailed listing: executing program 0: mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) program crashed: KASAN: null-ptr-deref Write in vfs_rmdir validation run: crashed=true reproducing took 52m59.328776356s repro crashed as (corrupted=false): RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26b9fb30 RBP: 00007ffc26b9fb30 R08: 00007ffc26ba0b30 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc26ba0bc0 R13: 00007fab87c13f90 R14: 0000000000006b07 R15: 00007ffc26ba0c00 ---[ end trace 1ef1ac7f1033bca3 ]--- ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:188 [inline] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:454 Write of size 4 at addr 0000000000000170 by task syz-executor/357 CPU: 0 PID: 357 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 __kasan_report mm/kasan/report.c:431 [inline] kasan_report+0xe7/0x140 mm/kasan/report.c:444 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_inc_return include/linux/atomic/atomic-instrumented.h:188 [inline] ihold+0x20/0x60 fs/inode.c:454 d_delete_notify include/linux/fsnotify.h:275 [inline] vfs_rmdir+0x1f0/0x460 fs/namei.c:4170 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x45b/0x510 fs/namespace.c:1148 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fab87b7f9d7 Code: a2 c7 05 1c ed 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc26b9fa78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab87b7f9d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26b9fb30 RBP: 00007ffc26b9fb30 R08: 00007ffc26ba0b30 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc26ba0bc0 R13: 00007fab87c13f90 R14: 0000000000006b07 R15: 00007ffc26ba0c00 ================================================================== BUG: kernel NULL pointer dereference, address: 0000000000000170 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 11fb8a067 P4D 11fb8a067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 357 Comm: syz-executor Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline] RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline] RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline] RIP: 0010:ihold+0x26/0x60 fs/inode.c:454 Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 31 cb b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 90 fb f1 ff 41 be 01 00 00 00 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 b1 RSP: 0018:ffffc90000ac7ce8 EFLAGS: 00010246 RAX: ffff88810ddce200 RBX: 0000000000000000 RCX: ffff88810ddce2c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff RBP: ffffc90000ac7cf8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e18a4c R12: 1ffff1102137bb7c R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00005555806d9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000170 CR3: 000000010d9a1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_delete_notify include/linux/fsnotify.h:275 [inline] vfs_rmdir+0x1f0/0x460 fs/namei.c:4170 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x45b/0x510 fs/namespace.c:1148 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fab87b7f9d7 Code: a2 c7 05 1c ed 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc26b9fa78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab87b7f9d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26b9fb30 RBP: 00007ffc26b9fb30 R08: 00007ffc26ba0b30 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc26ba0bc0 R13: 00007fab87c13f90 R14: 0000000000006b07 R15: 00007ffc26ba0c00 Modules linked in: CR2: 0000000000000170 ---[ end trace 1ef1ac7f1033bca4 ]--- RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline] RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline] RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline] RIP: 0010:ihold+0x26/0x60 fs/inode.c:454 Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 31 cb b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 90 fb f1 ff 41 be 01 00 00 00 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 b1 RSP: 0018:ffffc90000ac7ce8 EFLAGS: 00010246 RAX: ffff88810ddce200 RBX: 0000000000000000 RCX: ffff88810ddce2c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff RBP: ffffc90000ac7cf8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e18a4c R12: 1ffff1102137bb7c R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00005555806d9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000170 CR3: 000000010d9a1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 55 push %rbp 5: 48 89 e5 mov %rsp,%rbp 8: 41 56 push %r14 a: 53 push %rbx b: 48 89 fb mov %rdi,%rbx e: e8 31 cb b2 ff call 0xffb2cb44 13: 48 8d bb 70 01 00 00 lea 0x170(%rbx),%rdi 1a: be 04 00 00 00 mov $0x4,%esi 1f: e8 90 fb f1 ff call 0xfff1fbb4 24: 41 be 01 00 00 00 mov $0x1,%r14d * 2a: f0 44 0f c1 b3 70 01 lock xadd %r14d,0x170(%rbx) <-- trapping instruction 31: 00 00 33: 41 ff c6 inc %r14d 36: bf 02 00 00 00 mov $0x2,%edi 3b: 44 89 f6 mov %r14d,%esi 3e: e8 .byte 0xe8 3f: b1 .byte 0xb1 final repro crashed as (corrupted=false): RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26b9fb30 RBP: 00007ffc26b9fb30 R08: 00007ffc26ba0b30 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc26ba0bc0 R13: 00007fab87c13f90 R14: 0000000000006b07 R15: 00007ffc26ba0c00 ---[ end trace 1ef1ac7f1033bca3 ]--- ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:188 [inline] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:454 Write of size 4 at addr 0000000000000170 by task syz-executor/357 CPU: 0 PID: 357 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 __kasan_report mm/kasan/report.c:431 [inline] kasan_report+0xe7/0x140 mm/kasan/report.c:444 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_inc_return include/linux/atomic/atomic-instrumented.h:188 [inline] ihold+0x20/0x60 fs/inode.c:454 d_delete_notify include/linux/fsnotify.h:275 [inline] vfs_rmdir+0x1f0/0x460 fs/namei.c:4170 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x45b/0x510 fs/namespace.c:1148 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fab87b7f9d7 Code: a2 c7 05 1c ed 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc26b9fa78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab87b7f9d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26b9fb30 RBP: 00007ffc26b9fb30 R08: 00007ffc26ba0b30 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc26ba0bc0 R13: 00007fab87c13f90 R14: 0000000000006b07 R15: 00007ffc26ba0c00 ================================================================== BUG: kernel NULL pointer dereference, address: 0000000000000170 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 11fb8a067 P4D 11fb8a067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 357 Comm: syz-executor Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline] RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline] RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline] RIP: 0010:ihold+0x26/0x60 fs/inode.c:454 Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 31 cb b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 90 fb f1 ff 41 be 01 00 00 00 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 b1 RSP: 0018:ffffc90000ac7ce8 EFLAGS: 00010246 RAX: ffff88810ddce200 RBX: 0000000000000000 RCX: ffff88810ddce2c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff RBP: ffffc90000ac7cf8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e18a4c R12: 1ffff1102137bb7c R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00005555806d9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000170 CR3: 000000010d9a1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_delete_notify include/linux/fsnotify.h:275 [inline] vfs_rmdir+0x1f0/0x460 fs/namei.c:4170 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x45b/0x510 fs/namespace.c:1148 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fab87b7f9d7 Code: a2 c7 05 1c ed 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc26b9fa78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab87b7f9d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26b9fb30 RBP: 00007ffc26b9fb30 R08: 00007ffc26ba0b30 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc26ba0bc0 R13: 00007fab87c13f90 R14: 0000000000006b07 R15: 00007ffc26ba0c00 Modules linked in: CR2: 0000000000000170 ---[ end trace 1ef1ac7f1033bca4 ]--- RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline] RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline] RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline] RIP: 0010:ihold+0x26/0x60 fs/inode.c:454 Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 31 cb b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 90 fb f1 ff 41 be 01 00 00 00 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 b1 RSP: 0018:ffffc90000ac7ce8 EFLAGS: 00010246 RAX: ffff88810ddce200 RBX: 0000000000000000 RCX: ffff88810ddce2c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff RBP: ffffc90000ac7cf8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff0e18a4c R12: 1ffff1102137bb7c R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00005555806d9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000170 CR3: 000000010d9a1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 55 push %rbp 5: 48 89 e5 mov %rsp,%rbp 8: 41 56 push %r14 a: 53 push %rbx b: 48 89 fb mov %rdi,%rbx e: e8 31 cb b2 ff call 0xffb2cb44 13: 48 8d bb 70 01 00 00 lea 0x170(%rbx),%rdi 1a: be 04 00 00 00 mov $0x4,%esi 1f: e8 90 fb f1 ff call 0xfff1fbb4 24: 41 be 01 00 00 00 mov $0x1,%r14d * 2a: f0 44 0f c1 b3 70 01 lock xadd %r14d,0x170(%rbx) <-- trapping instruction 31: 00 00 33: 41 ff c6 inc %r14d 36: bf 02 00 00 00 mov $0x2,%edi 3b: 44 89 f6 mov %r14d,%esi 3e: e8 .byte 0xe8 3f: b1 .byte 0xb1