Extracting prog: 5m59.478135361s Minimizing prog: 1h1m11.769770039s Simplifying prog options: 6m33.337370362s Extracting C: 3m11.104144991s Simplifying C: 10m38.566175672s extracting reproducer from 45 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write-nanosleep detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) nanosleep(&(0x7f0000000500)={0x0, 0x2faf080}, 0x0) program did not crash single: failed to extract reproducer bisect: bisecting 45 programs with base timeout 30s testing program (duration=41s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 9, 4, 5, 8, 4, 11, 9, 7, 5, 4, 8, 4, 8, 8, 5, 9, 9, 16, 14, 14, 9, 12, 2, 5, 9, 2, 4, 3, 2, 9, 15, 2, 9, 5, 6, 2, 2, 10, 15, 2, 9, 15, 9, 9] detailed listing: executing program 1: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ptrace(0x10, r0) wait4(r0, 0x0, 0x8, 0x0) ptrace$setregset(0x4211, r0, 0x1, 0x0) executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000000c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x24, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 0x0) sendmsg$NL80211_CMD_START_AP(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000001f00)={0x74, r1, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r2}, @void}}, [@beacon=[@NL80211_ATTR_BEACON_HEAD={0x34, 0xe, {{{}, {}, @broadcast, @device_a, @from_mac}, 0x1000000000000, @default, 0x1, @void, @void, @void, @void, @void, @void, @void, @val={0x2a, 0x1, {0x1, 0x1, 0x1}}, @void, @void, @void, @val={0x71, 0x7, {0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x3, 0x20}}, @void}}], @chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8}], @NL80211_ATTR_BEACON_INTERVAL={0x8}, @NL80211_ATTR_DTIM_PERIOD={0x8, 0xd, 0x86c}, @NL80211_ATTR_HE_BSS_COLOR={0xc, 0x11b, 0x0, 0x1, [@NL80211_HE_BSS_COLOR_ATTR_COLOR={0x5, 0x1, 0x2c}]}]}, 0x74}}, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r3, 0x8933, &(0x7f00000013c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r3, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000001340)={&(0x7f0000000000)=ANY=[@ANYBLOB="f4060000", @ANYRES16=r4, @ANYBLOB="01000000000000e14f003b00000008000300", @ANYRES32=r5, @ANYBLOB="d506330080000000ffffffffffff080211000001"], 0x6f4}}, 0x0) executing program 1: creat(&(0x7f0000000100)='./file0\x00', 0x40) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002040), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000002080)='./file0\x00', &(0x7f00000020c0), 0x413, &(0x7f0000000340)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}}) syz_fuse_handle_req(r0, &(0x7f0000009b40)="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", 0x2000, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, 0x0, 0x203, {0x7, 0x29, 0x80, 0x48000010, 0x6, 0x3, 0xb, 0x2, 0x0, 0x0, 0x90cd28a9adbdfed8, 0x897}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) chdir(&(0x7f0000000240)='./config/usb_gadget/g1\x00') r0 = openat(0xffffffffffffff9c, &(0x7f00000005c0)='UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000600)='invali', 0x6) executing program 1: r0 = syz_open_dev$usbfs(&(0x7f00000000c0), 0x204, 0x2) mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x1000002, 0x11012, r0, 0x0) ioctl$USBDEVFS_SUBMITURB(0xffffffffffffffff, 0x8038550a, &(0x7f0000000140)=@urb_type_control={0x2, {}, 0x0, 0x0, &(0x7f0000000000)={0x80, 0x0, 0x0, 0x0, 0x2}, 0x36, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) ioctl$USBDEVFS_SUBMITURB(r0, 0x8038550a, &(0x7f0000000140)=@urb_type_bulk={0x3, {0x1, 0x1}, 0x4, 0x22, 0x0, 0x0, 0x8, 0xfffffff8, 0x5f4, 0x81, 0x6, 0x0}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x72, 0x0, 0x7fff0000}]}) close_range(r1, 0xffffffffffffffff, 0x0) executing program 3: mkdir(&(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./nfsd\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000500)='udp 2049\n', 0x9) executing program 1: r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000000480)=""/74, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000400)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000340)=""/185, 0x0}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000000c0)=0x1) unshare(0x62000000) syz_usb_connect(0x0, 0x3f, &(0x7f00000000c0)=ANY=[@ANYBLOB="11010000733336088dee1adb2361000000010902"], 0x0) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000001500)={@my=0x1}) r1 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r1, &(0x7f0000000200)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10) executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000040)={0x84, @dev={0xac, 0x14, 0x14, 0xf}, 0x15, 0x3, 'wlc\x00', 0x1, 0x6, 0x3d}, 0x2c) r1 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$IP_VS_SO_SET_ADDDEST(r1, 0x0, 0x487, &(0x7f0000000000)={{0x84, @private=0xa010102, 0x4e21, 0x3, 'lc\x00', 0x5, 0x8, 0x77}, {@remote, 0x4e20, 0x10000, 0xc, 0x2}}, 0x44) r2 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000180)=[@in={0x2, 0x4e21, @local}], 0x10) sendmsg$inet_sctp(r2, &(0x7f0000000080)={&(0x7f0000000340)=@in={0x2, 0x4e21, @local}, 0x10, &(0x7f00000006c0)=[{&(0x7f0000000380)='N', 0x1}], 0x1, 0x0, 0x0, 0x20048001}, 0xc851) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f0000000000)={0x1, [0x0]}, &(0x7f0000000040)=0x8) sendmmsg$inet_sctp(r2, &(0x7f0000000100)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)=[@sndinfo={0x20, 0x84, 0x2, {0xc5e, 0x4, 0x1, 0x168c240b, r3}}], 0x20, 0xc005}], 0x1, 0x10) executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000100)={0x50, 0x2, 0x6, 0x3, 0x0, 0x0, {}, [@IPSET_ATTR_FAMILY={0x5, 0x5, 0xa}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_TYPENAME={0x16, 0x3, 'hash:net,port,net\x00'}]}, 0x50}}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_ADD(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000780)=ANY=[@ANYBLOB="74000000090601020000000000000000030000000900020073797a310000000005000100070000004c0007801800018014000240fe8000000000000000000000000000aa1800148014000240fc000000000000000000000000000000060004404e1f0000050007008400000006000540"], 0x74}, 0x1, 0x0, 0x0, 0x10040003}, 0x0) sendmsg$IPSET_CMD_LIST(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, 0x7, 0x6, 0x5, 0x0, 0x0, {0x1, 0x0, 0x2}, [@IPSET_ATTR_PROTOCOL={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004080}, 0x48810) recvmsg(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000c080)=[{&(0x7f0000002180)=""/4105, 0x1009}, {&(0x7f00000003c0)=""/59, 0x3b}, {&(0x7f00000005c0)=""/237, 0xed}], 0x3}, 0x40000020) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) chdir(&(0x7f0000000240)='./config/usb_gadget/g1\x00') r0 = openat(0xffffffffffffff9c, &(0x7f00000005c0)='UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000600)='invali', 0x6) executing program 3: mkdir(&(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./nfsd\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000500)='udp 2049\n', 0x9) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='2049\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/threads\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='1\n', 0x2) close(r1) executing program 32: mkdir(&(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./nfsd\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000500)='udp 2049\n', 0x9) executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000), 0x42f82, 0x0) ioctl$SNDCTL_DSP_SPEED(r0, 0xc0045002, &(0x7f0000000180)=0x200) write$dsp(r0, &(0x7f00000001c0)="5cba91a4", 0xffffffd9) write$dsp(r0, &(0x7f0000000200)="dce480febb0ccd0bcb66ade3495e87b440e5afdc984cc06eb1c91c85a7fec04b2f82e267c1edd1543b79d80c0f949073bdbaa464c040e61ea6e658101100101097a5821b6c0c79d177b96995281707ce6d20a6db", 0x54) write$dsp(r0, &(0x7f0000000080)="cd", 0x1) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) r1 = landlock_create_ruleset(&(0x7f0000000080)={0x7f6e}, 0x18, 0x0) landlock_restrict_self(r1, 0x8) executing program 33: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='2049\n', 0x5) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/threads\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='1\n', 0x2) close(r1) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) chdir(&(0x7f0000000240)='./config/usb_gadget/g1\x00') r0 = openat(0xffffffffffffff9c, &(0x7f00000005c0)='UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000600)='invalid_u', 0x9) executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) r2 = ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000040)={0x200000}) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000080)={0x0, 0x200000, 0x8}) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION2(r1, 0x40a0ae49, &(0x7f00000000c0)={0x0, 0x4, 0x0, 0x100000, 0x0, 0x0, r2}) ioctl$KVM_SET_USER_MEMORY_REGION2(r1, 0x40a0ae49, &(0x7f0000000100)={0x1, 0x4, 0x100000, 0x100000, &(0x7f0000100000)=nil, 0x100000, r2}) ioctl$KVM_PRE_FAULT_MEMORY(r3, 0xc040aed5, &(0x7f0000000140)={0x0, 0x200000}) ioctl$KVM_PRE_FAULT_MEMORY(r3, 0xc040aed5, &(0x7f0000000140)={0x100000, 0x200000}) executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB="12010000000000200304306000000000000109022400010000000009040000010300000009210000000122020009058103"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00\"\v'], 0x0}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000940)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, &(0x7f0000000880)={0x84, &(0x7f00000003c0)=ANY=[@ANYBLOB='\x00\x00M'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000080)=ANY=[@ANYBLOB="200e06"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) ioctl$I2C_RDWR(r1, 0x707, &(0x7f0000000240)={&(0x7f0000000140)=[{0x3, 0x1000, 0x0, 0x0}], 0x1}) executing program 0: openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100), 0x400, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000280), 0x800c42, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000), 0x20001, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x2000, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040), 0x8002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) syz_open_dev$sndctrl(&(0x7f0000000040), 0x0, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x42, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x80882) openat(0xffffffffffffffff, &(0x7f0000000100)='./file0\x00', 0x0, 0x100) openat(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) syz_open_dev$dri(&(0x7f0000000040), 0x21, 0x40000) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='hugetlb.1GB.rsvd.usage_in_bytes\x00', 0x275a, 0x0) executing program 0: mkdir(&(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./nfsd\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000500)='udp 2049\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x2, 0x0) write(r1, &(0x7f0000000700)='1\n', 0x2) r2 = syz_open_procfs(0x0, &(0x7f0000000800)='net/rpc\x00') r3 = openat(r2, &(0x7f0000000900)='nfsd.export/channel\x00', 0x2, 0x0) write(r3, &(0x7f0000000a00)='localhost /tmp 2000000000 0 0 0 0\n', 0x22) r4 = openat(r2, &(0x7f0000000b00)='nfsd.fh/channel\x00', 0x2, 0x0) write(r4, &(0x7f0000000c00)="6c6f63616c686f7374203120010000002032303030303030303030202f746d700a", 0x21) mkdir(&(0x7f0000000d00)='./mnt\x00', 0x1ff) mount(&(0x7f0000000e00)=@filename='127.0.0.1:/tmp\x00', &(0x7f0000000f00)='./mnt\x00', &(0x7f0000001000)='nfs\x00', 0x0, &(0x7f0000001100)='port=2049,nolock,v3\x00') openat(0xffffffffffffff9c, &(0x7f0000001200)='./mnt/file\x00', 0x42, 0x1ff) executing program 34: mkdir(&(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./nfsd\x00', &(0x7f0000000300)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000500)='udp 2049\n', 0x9) r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/threads\x00', 0x2, 0x0) write(r1, &(0x7f0000000700)='1\n', 0x2) r2 = syz_open_procfs(0x0, &(0x7f0000000800)='net/rpc\x00') r3 = openat(r2, &(0x7f0000000900)='nfsd.export/channel\x00', 0x2, 0x0) write(r3, &(0x7f0000000a00)='localhost /tmp 2000000000 0 0 0 0\n', 0x22) r4 = openat(r2, &(0x7f0000000b00)='nfsd.fh/channel\x00', 0x2, 0x0) write(r4, &(0x7f0000000c00)="6c6f63616c686f7374203120010000002032303030303030303030202f746d700a", 0x21) mkdir(&(0x7f0000000d00)='./mnt\x00', 0x1ff) mount(&(0x7f0000000e00)=@filename='127.0.0.1:/tmp\x00', &(0x7f0000000f00)='./mnt\x00', &(0x7f0000001000)='nfs\x00', 0x0, &(0x7f0000001100)='port=2049,nolock,v3\x00') openat(0xffffffffffffff9c, &(0x7f0000001200)='./mnt/file\x00', 0x42, 0x1ff) executing program 6: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB="12010000000000200304306000000000000109022400010000000009040000010300000009210000000122020009058103"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00\"\v'], 0x0}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000940)={0x84, &(0x7f00000004c0)=ANY=[@ANYBLOB="0014"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, &(0x7f0000000880)={0x84, &(0x7f00000003c0)=ANY=[@ANYBLOB='\x00\x00M'], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000080)=ANY=[@ANYBLOB="200e06"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) ioctl$I2C_RDWR(r1, 0x707, &(0x7f0000000240)={&(0x7f0000000140)=[{0x3, 0x1000, 0x0, 0x0}], 0x1}) executing program 5: r0 = syz_usb_connect(0x3, 0x9f, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040480b081000010000000109028d0001010080fa0904000005ffffff000705030200020007058402000200070588058003010705070580030107058a030800010904000105ffffff000705030200020007058402000200070588058003010705070580030107058a030800010904000805ffffff000705030200020007058402000200070588058003010705070580030107058a03080001"], 0x0) nanosleep(&(0x7f0000000300)={0x1}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000440)='./sys\x00', &(0x7f0000000480)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/usb/drivers/ttusb-dec/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000540)='5-1:1.0\x00', 0x8) close(r1) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) syz_usb_ep_read(r0, 0x3, 0x800, &(0x7f0000000880)=""/2048) (async) syz_usb_ep_write(r0, 0x84, 0x40, &(0x7f0000000700)="aa00080c0000000100070009017700"/64) (async) r2 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./sys/bus/usb/drivers/ttusb-dec/bind\x00', 0x1, 0x0) write(r2, &(0x7f0000000840)='5-1:1.0\x00', 0x8) executing program 2: r0 = open(&(0x7f0000000240)='./mount_sys/fs/ocfs2/cluster_stack\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='user', 0x4) executing program 6: r0 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r0, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r0, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0], 0x40000012}) ioctl$DRM_IOCTL_MODE_SETPLANE(r0, 0xc03064b7, &(0x7f00000003c0)={r1, 0x0, 0x0, 0x7e3c, 0x3, 0x9, 0xfffffff9, 0xcb9, 0xfffffffe, 0x7, 0x10001, 0xff000000}) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r0, 0xc02064b9, &(0x7f0000000240)={&(0x7f00000001c0)=[0x0, 0x0, 0x0, 0x0], &(0x7f0000000200), 0x4, r1}) executing program 2: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB="12010000000000200304306000000000000109022400010000000009040000010300000009210000000122020009058103"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00\"\v'], 0x0}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000940)={0x84, &(0x7f00000004c0)=ANY=[@ANYBLOB="00140d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000080)=ANY=[@ANYBLOB="200e06"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) ioctl$I2C_RDWR(r1, 0x707, &(0x7f0000000240)={&(0x7f0000000140)=[{0x3, 0x1000, 0x0, 0x0}], 0x1}) executing program 5: r0 = openat(0xffffff9c, &(0x7f0000000900)='config/usb_gadget/g1/strings/0x409/serialnumber\x00', 0x1, 0x0) write(r0, &(0x7f0000000a00)='fedcba9876543210\x00', 0x10) executing program 6: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x20c40, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000040)={0x9000, 0x104000, 0x8}) executing program 5: r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ptrace(0x10, r0) ptrace$peeksig(0x4209, r0, &(0x7f0000000300)={0x0, 0x1, 0x1}, &(0x7f00000001c0)=[{}]) executing program 4: r0 = open(&(0x7f0000000400)='./mount_config/dlm/ocfs2/recover_callbacks\x00', 0x1, 0x0) write(r0, &(0x7f0000000440)='1', 0x1) executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_PRE_FAULT_MEMORY(r3, 0xc040aed5, &(0x7f0000000340)={0x9000, 0x11e000}) executing program 4: openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100), 0x400, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000280), 0x800c42, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000), 0x20001, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x2000, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040), 0x8002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) syz_open_dev$sndctrl(&(0x7f0000000040), 0x0, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x42, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x80882) openat(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) syz_open_dev$dri(&(0x7f0000000040), 0x21, 0x40000) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='hugetlb.1GB.rsvd.usage_in_bytes\x00', 0x275a, 0x0) executing program 2: r0 = open(&(0x7f0000000240)='./mount_sys/fs/ocfs2/cluster_stack\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='user', 0x4) executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) nanosleep(&(0x7f0000000500)={0x0, 0x2faf080}, 0x0) executing program 5: r0 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r0, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r0, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0], 0x40000012}) ioctl$DRM_IOCTL_MODE_SETPLANE(r0, 0xc03064b7, &(0x7f00000003c0)={r1, 0x0, 0x0, 0x7e3c, 0x3, 0x9, 0xfffffff9, 0xcb9, 0xfffffffe, 0x7, 0x10001, 0xff000000}) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r0, 0xc02064b9, &(0x7f0000000240)={&(0x7f00000001c0)=[0x0, 0x0, 0x0, 0x0], &(0x7f0000000200), 0x4, r1}) executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000002000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000200)={0x1, 0x0, [{0x4b564d01, 0x0, 0x1}]}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000300)={0x1, 0x0, [{0x4b564d01, 0x0, 0x200}]}) executing program 4: r0 = openat(0xffffff9c, &(0x7f0000000900)='config/usb_gadget/g1/strings/0x409/serialnumber\x00', 0x1, 0x0) write(r0, &(0x7f0000000a00)='fedcba9876543210\x00', 0x10) executing program 6: r0 = open(&(0x7f0000000240)='./mount_sys/fs/ocfs2/cluster_stack\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='user', 0x4) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sec\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sec\x00', &(0x7f00000000c0)='securityfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000e0)='./sec/tomoyo/profile\x00', 0x1, 0x0) write(r0, &(0x7f0000000120)='0-CONFIG=disabled\n', 0x12) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/functions/phonet.usb0\x00', 0x1ff) symlinkat(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/phonet.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./config/usb_gadget/g1/configs/c.1/phonet.usb0\x00') executing program 4: mkdir(&(0x7f0000000040)='./mount_sys\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='none\x00', &(0x7f00000000c0)='./mount_sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./mount_dlm\x00', 0x1ff) mount(&(0x7f0000000180)=@filename='none\x00', &(0x7f00000001c0)='./mount_dlm\x00', &(0x7f0000000200)='ocfs2_dlmfs\x00', 0x0, 0x0) r0 = open(&(0x7f0000000240)='./mount_sys/fs/ocfs2/cluster_stack\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='user', 0x4) close(r0) mkdir(&(0x7f00000002c0)='./mount_config\x00', 0x1ff) mount(&(0x7f0000000300)=@filename='none\x00', &(0x7f0000000340)='./mount_config\x00', &(0x7f0000000380)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f00000003c0)='./mount_config/dlm/ocfs2\x00', 0x1ff) r1 = open(&(0x7f0000000400)='./mount_config/dlm/ocfs2/recover_callbacks\x00', 0x1, 0x0) write(r1, &(0x7f0000000440)='1', 0x1) close(r1) r2 = open(&(0x7f0000000480)='./mount_config/dlm/ocfs2/tcp_port\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='21064', 0x5) executing program 6: r0 = open(&(0x7f0000000400)='./mount_config/dlm/ocfs2/recover_callbacks\x00', 0x1, 0x0) write(r0, &(0x7f0000000440)='1', 0x1) executing program 2: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f00000000c0)=ANY=[@ANYBLOB="12010000000000200304306000000000000109022400010000000009040000010300000009210000000122020009058103"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00\"\v'], 0x0}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000940)={0x84, &(0x7f00000004c0)=ANY=[@ANYBLOB="00140d"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000080)=ANY=[@ANYBLOB="200e06"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) ioctl$I2C_RDWR(r1, 0x707, &(0x7f0000000240)={&(0x7f0000000140)=[{0x3, 0x1000, 0x0, 0x0}], 0x1}) executing program 5: openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100), 0x400, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000280), 0x800c42, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000), 0x20001, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x2000, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040), 0x8002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) syz_open_dev$sndctrl(&(0x7f0000000040), 0x0, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x42, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x80882) openat(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) syz_open_dev$dri(&(0x7f0000000040), 0x21, 0x40000) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='hugetlb.1GB.rsvd.usage_in_bytes\x00', 0x275a, 0x0) executing program 6: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) nanosleep(&(0x7f0000000500)={0x0, 0x2faf080}, 0x0) executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_PRE_FAULT_MEMORY(r3, 0xc040aed5, &(0x7f0000000340)={0x9000, 0x11e000}) program did not crash replaying the whole log did not cause a kernel crash single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write-nanosleep detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) nanosleep(&(0x7f0000000500)={0x0, 0x2faf080}, 0x0) program crashed: KASAN: slab-use-after-free Read in filp_flush single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program crashed: KASAN: slab-use-after-free Read in filp_flush testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') write(0xffffffffffffffff, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(0x0, 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, 0x0, 0x0) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: VFS: Close: file count is zero (use-after-free) a never seen crash title: VFS: Close: file count is zero (use-after-free), ignore simplifying guilty program options testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program crashed: KASAN: slab-use-after-free Read in filp_flush extracting C reproducer testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: KASAN: slab-use-after-free Read in filp_flush simplifying C reproducer testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: KASAN: slab-use-after-free Read in filp_flush testing compiled C program (duration=1m40s, {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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: KASAN: slab-use-after-free Read in filp_flush testing compiled C program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: KASAN: slab-use-after-free Read in filp_flush testing compiled C program (duration=1m40s, {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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: VFS: Close: file count is zero (use-after-free) a never seen crash title: VFS: Close: file count is zero (use-after-free), ignore testing compiled C program (duration=1m40s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: KASAN: slab-use-after-free Read in filp_flush testing compiled C program (duration=1m40s, {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:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write program crashed: KASAN: slab-use-after-free Read in filp_flush testing program (duration=1m40s, {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:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program crashed: KASAN: slab-use-after-free Read in filp_flush validation run: crashed=true testing program (duration=1m40s, {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:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program crashed: KASAN: slab-use-after-free Read in filp_flush validation run: crashed=true testing program (duration=1m40s, {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:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000400)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/uac1_legacy.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1/uac1_legacy.usb0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='dummy_udc.0\n\x00', 0xc) program crashed: KASAN: slab-use-after-free Read in filp_flush validation run: crashed=true reproducing took 1h30m27.05244944s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in instrument_atomic_read include/linux/instrumented.h:82 [inline] BUG: KASAN: slab-use-after-free in atomic_long_read include/linux/atomic/atomic-instrumented.h:3188 [inline] BUG: KASAN: slab-use-after-free in file_ref_read include/linux/file_ref.h:198 [inline] BUG: KASAN: slab-use-after-free in filp_flush+0x31/0x190 fs/open.c:1464 Read of size 8 at addr ffff888047a84190 by task syz.0.18/[ 126.199217][ T5931] Read of size 8 at addr ffff888047a84190 by task syz.0.18/5931 CPU: 1 UID: 0 PID: 5931 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:200 instrument_atomic_read include/linux/instrumented.h:82 [inline] atomic_long_read include/linux/atomic/atomic-instrumented.h:3188 [inline] file_ref_read include/linux/file_ref.h:198 [inline] filp_flush+0x31/0x190 fs/open.c:1464 filp_close+0x1d/0x40 fs/open.c:1484 gaudio_close_snd_dev drivers/usb/gadget/function/u_uac1_legacy.c:263 [inline] gaudio_cleanup+0x54/0xf0 drivers/usb/gadget/function/u_uac1_legacy.c:305 f_audio_bind+0x4a0/0x630 drivers/usb/gadget/function/f_uac1_legacy.c:792 usb_add_function+0x290/0x930 drivers/usb/gadget/composite.c:333 configfs_composite_bind+0xde0/0x1410 drivers/usb/gadget/configfs.c:1802 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __driver_attach+0x339/0x600 drivers/base/dd.c:1292 bus_for_each_dev+0x23e/0x2c0 drivers/base/bus.c:383 bus_add_driver+0x348/0x670 drivers/base/bus.c:763 driver_register+0x23a/0x320 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752 gadget_dev_desc_UDC_store+0x1c9/0x2f0 drivers/usb/gadget/configfs.c:300 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61e/0xbb0 fs/read_write.c:687 ksys_write+0x156/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0dc06cdf99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd66ea9b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f0dc0955fa0 RCX: 00007f0dc06cdf99 RDX: 000000000000000c RSI: 0000200000000400 RDI: 0000000000000003 RBP: 00007f0dc0764ec4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0dc0955fac R14: 00007f0dc0955fa0 R15: 00007f0dc0955fa0 Allocated by task 5926: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4608 [inline] slab_alloc_node mm/slub.c:4921 [inline] kmem_cache_alloc_noprof+0x358/0x680 mm/slub.c:4935 alloc_empty_file+0x5b/0x1d0 fs/file_table.c:262 path_openat+0x8f/0x3850 fs/namei.c:4843 do_file_open+0x23e/0x4a0 fs/namei.c:4886 file_open_name fs/open.c:1326 [inline] filp_open+0x16d/0x1d0 fs/open.c:1343 gaudio_open_snd_dev drivers/usb/gadget/function/u_uac1_legacy.c:211 [inline] gaudio_setup+0x11b/0xf10 drivers/usb/gadget/function/u_uac1_legacy.c:289 f_audio_bind+0x137/0x630 drivers/usb/gadget/function/f_uac1_legacy.c:740 usb_add_function+0x290/0x930 drivers/usb/gadget/composite.c:333 configfs_composite_bind+0xde0/0x1410 drivers/usb/gadget/configfs.c:1802 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __driver_attach+0x339/0x600 drivers/base/dd.c:1292 bus_for_each_dev+0x23e/0x2c0 drivers/base/bus.c:383 bus_add_driver+0x348/0x670 drivers/base/bus.c:763 driver_register+0x23a/0x320 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752 gadget_dev_desc_UDC_store+0x1c9/0x2f0 drivers/usb/gadget/configfs.c:300 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61e/0xbb0 fs/read_write.c:687 ksys_write+0x156/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 29: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2706 [inline] slab_free_after_rcu_debug+0x12a/0x220 mm/slub.c:6450 rcu_do_batch kernel/rcu/tree.c:2645 [inline] rcu_core kernel/rcu/tree.c:2897 [inline] rcu_cpu_kthread+0x950/0x1480 kernel/rcu/tree.c:2985 smpboot_thread_fn+0x57c/0xa80 kernel/smpboot.c:160 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 slab_free_hook mm/slub.c:2667 [inline] slab_free mm/slub.c:6388 [inline] kmem_cache_free+0x513/0x6c0 mm/slub.c:6515 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:339 [inline] do_syscall_64+0x33d/0x530 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Second to last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 task_work_add+0xae/0x420 kernel/task_work.c:70 __fput_deferred+0x183/0x3e0 fs/file_table.c:573 fput_close+0x11f/0x240 fs/file_table.c:629 filp_close+0x27/0x40 fs/open.c:1485 gaudio_close_snd_dev drivers/usb/gadget/function/u_uac1_legacy.c:263 [inline] gaudio_cleanup+0x54/0xf0 drivers/usb/gadget/function/u_uac1_legacy.c:305 f_audio_bind+0x4a0/0x630 drivers/usb/gadget/function/f_uac1_legacy.c:792 usb_add_function+0x290/0x930 drivers/usb/gadget/composite.c:333 configfs_composite_bind+0xde0/0x1410 drivers/usb/gadget/configfs.c:1802 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __driver_attach+0x339/0x600 drivers/base/dd.c:1292 bus_for_each_dev+0x23e/0x2c0 drivers/base/bus.c:383 bus_add_driver+0x348/0x670 drivers/base/bus.c:763 driver_register+0x23a/0x320 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752 gadget_dev_desc_UDC_store+0x1c9/0x2f0 drivers/usb/gadget/configfs.c:300 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61e/0xbb0 fs/read_write.c:687 ksys_write+0x156/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff888047a84000 which belongs to the cache filp of size 408 The buggy address is located 400 bytes inside of freed 408-byte region [ffff888047a84000, ffff888047a84198) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47a84 head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff888047a841b9 flags: 0x80000000000040(head|node=0|zone=1) page_type: f5(slab) raw: 0080000000000040 ffff88801c6af780 dead000000000100 dead000000000122 raw: 0000000000000000 0000020000100010 00000000f5000000 ffff888047a841b9 head: 0080000000000040 ffff88801c6af780 dead000000000100 dead000000000122 head: 0000000000000000 0000020000100010 00000000f5000000 ffff888047a841b9 head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5685, tgid 5685 (udevd), ts 126015021081 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x264c/0x26c0 mm/page_alloc.c:3955 __alloc_frozen_pages_noprof+0x222/0x5b0 mm/page_alloc.c:5394 alloc_slab_page mm/slub.c:3295 [inline] allocate_slab+0x7c/0x5e0 mm/slub.c:3410 new_slab mm/slub.c:3456 [inline] refill_objects+0x2d8/0x350 mm/slub.c:7321 refill_sheaf mm/slub.c:2833 [inline] __pcs_replace_empty_main+0x330/0x690 mm/slub.c:4699 alloc_from_pcs mm/slub.c:4775 [inline] slab_alloc_node mm/slub.c:4909 [inline] kmem_cache_alloc_noprof+0x455/0x680 mm/slub.c:4935 alloc_empty_file+0x5b/0x1d0 fs/file_table.c:262 path_openat+0x8f/0x3850 fs/namei.c:4843 do_file_open+0x23e/0x4a0 fs/namei.c:4886 do_sys_openat2+0x115/0x200 fs/open.c:1368 do_sys_open fs/open.c:1374 [inline] __do_sys_openat fs/open.c:1390 [inline] __se_sys_openat fs/open.c:1385 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1385 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5879 tgid 5879 ts 123876483720 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] __free_frozen_pages+0x1185/0x1270 mm/page_alloc.c:2962 __slab_free+0x252/0x2a0 mm/slub.c:5738 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4608 [inline] slab_alloc_node mm/slub.c:4921 [inline] kmem_cache_alloc_noprof+0x358/0x680 mm/slub.c:4935 vm_area_dup+0x28/0x670 mm/vma_init.c:127 __split_vma+0x1f3/0xbd0 mm/vma.c:531 vms_gather_munmap_vmas+0x4e3/0x1370 mm/vma.c:1493 __mmap_setup mm/vma.c:2496 [inline] __mmap_region mm/vma.c:2818 [inline] mmap_region+0x91a/0x2230 mm/vma.c:2922 do_mmap+0xc1e/0x10b0 mm/mmap.c:560 vm_mmap_pgoff+0x275/0x4e0 mm/util.c:581 ksys_mmap_pgoff+0x4a6/0x720 mm/mmap.c:606 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888047a84080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888047a84100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888047a84180: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888047a84200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888047a84280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in instrument_atomic_read include/linux/instrumented.h:82 [inline] BUG: KASAN: slab-use-after-free in atomic_long_read include/linux/atomic/atomic-instrumented.h:3188 [inline] BUG: KASAN: slab-use-after-free in file_ref_read include/linux/file_ref.h:198 [inline] BUG: KASAN: slab-use-after-free in filp_flush+0x31/0x190 fs/open.c:1464 Read of size 8 at addr ffff888047a84190 by task syz.0.18/[ 126.199217][ T5931] Read of size 8 at addr ffff888047a84190 by task syz.0.18/5931 CPU: 1 UID: 0 PID: 5931 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:200 instrument_atomic_read include/linux/instrumented.h:82 [inline] atomic_long_read include/linux/atomic/atomic-instrumented.h:3188 [inline] file_ref_read include/linux/file_ref.h:198 [inline] filp_flush+0x31/0x190 fs/open.c:1464 filp_close+0x1d/0x40 fs/open.c:1484 gaudio_close_snd_dev drivers/usb/gadget/function/u_uac1_legacy.c:263 [inline] gaudio_cleanup+0x54/0xf0 drivers/usb/gadget/function/u_uac1_legacy.c:305 f_audio_bind+0x4a0/0x630 drivers/usb/gadget/function/f_uac1_legacy.c:792 usb_add_function+0x290/0x930 drivers/usb/gadget/composite.c:333 configfs_composite_bind+0xde0/0x1410 drivers/usb/gadget/configfs.c:1802 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __driver_attach+0x339/0x600 drivers/base/dd.c:1292 bus_for_each_dev+0x23e/0x2c0 drivers/base/bus.c:383 bus_add_driver+0x348/0x670 drivers/base/bus.c:763 driver_register+0x23a/0x320 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752 gadget_dev_desc_UDC_store+0x1c9/0x2f0 drivers/usb/gadget/configfs.c:300 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61e/0xbb0 fs/read_write.c:687 ksys_write+0x156/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0dc06cdf99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd66ea9b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f0dc0955fa0 RCX: 00007f0dc06cdf99 RDX: 000000000000000c RSI: 0000200000000400 RDI: 0000000000000003 RBP: 00007f0dc0764ec4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0dc0955fac R14: 00007f0dc0955fa0 R15: 00007f0dc0955fa0 Allocated by task 5926: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4608 [inline] slab_alloc_node mm/slub.c:4921 [inline] kmem_cache_alloc_noprof+0x358/0x680 mm/slub.c:4935 alloc_empty_file+0x5b/0x1d0 fs/file_table.c:262 path_openat+0x8f/0x3850 fs/namei.c:4843 do_file_open+0x23e/0x4a0 fs/namei.c:4886 file_open_name fs/open.c:1326 [inline] filp_open+0x16d/0x1d0 fs/open.c:1343 gaudio_open_snd_dev drivers/usb/gadget/function/u_uac1_legacy.c:211 [inline] gaudio_setup+0x11b/0xf10 drivers/usb/gadget/function/u_uac1_legacy.c:289 f_audio_bind+0x137/0x630 drivers/usb/gadget/function/f_uac1_legacy.c:740 usb_add_function+0x290/0x930 drivers/usb/gadget/composite.c:333 configfs_composite_bind+0xde0/0x1410 drivers/usb/gadget/configfs.c:1802 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __driver_attach+0x339/0x600 drivers/base/dd.c:1292 bus_for_each_dev+0x23e/0x2c0 drivers/base/bus.c:383 bus_add_driver+0x348/0x670 drivers/base/bus.c:763 driver_register+0x23a/0x320 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752 gadget_dev_desc_UDC_store+0x1c9/0x2f0 drivers/usb/gadget/configfs.c:300 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61e/0xbb0 fs/read_write.c:687 ksys_write+0x156/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 29: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2706 [inline] slab_free_after_rcu_debug+0x12a/0x220 mm/slub.c:6450 rcu_do_batch kernel/rcu/tree.c:2645 [inline] rcu_core kernel/rcu/tree.c:2897 [inline] rcu_cpu_kthread+0x950/0x1480 kernel/rcu/tree.c:2985 smpboot_thread_fn+0x57c/0xa80 kernel/smpboot.c:160 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 slab_free_hook mm/slub.c:2667 [inline] slab_free mm/slub.c:6388 [inline] kmem_cache_free+0x513/0x6c0 mm/slub.c:6515 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:339 [inline] do_syscall_64+0x33d/0x530 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Second to last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556 task_work_add+0xae/0x420 kernel/task_work.c:70 __fput_deferred+0x183/0x3e0 fs/file_table.c:573 fput_close+0x11f/0x240 fs/file_table.c:629 filp_close+0x27/0x40 fs/open.c:1485 gaudio_close_snd_dev drivers/usb/gadget/function/u_uac1_legacy.c:263 [inline] gaudio_cleanup+0x54/0xf0 drivers/usb/gadget/function/u_uac1_legacy.c:305 f_audio_bind+0x4a0/0x630 drivers/usb/gadget/function/f_uac1_legacy.c:792 usb_add_function+0x290/0x930 drivers/usb/gadget/composite.c:333 configfs_composite_bind+0xde0/0x1410 drivers/usb/gadget/configfs.c:1802 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __driver_attach+0x339/0x600 drivers/base/dd.c:1292 bus_for_each_dev+0x23e/0x2c0 drivers/base/bus.c:383 bus_add_driver+0x348/0x670 drivers/base/bus.c:763 driver_register+0x23a/0x320 drivers/base/driver.c:174 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752 gadget_dev_desc_UDC_store+0x1c9/0x2f0 drivers/usb/gadget/configfs.c:300 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61e/0xbb0 fs/read_write.c:687 ksys_write+0x156/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff888047a84000 which belongs to the cache filp of size 408 The buggy address is located 400 bytes inside of freed 408-byte region [ffff888047a84000, ffff888047a84198) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47a84 head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff888047a841b9 flags: 0x80000000000040(head|node=0|zone=1) page_type: f5(slab) raw: 0080000000000040 ffff88801c6af780 dead000000000100 dead000000000122 raw: 0000000000000000 0000020000100010 00000000f5000000 ffff888047a841b9 head: 0080000000000040 ffff88801c6af780 dead000000000100 dead000000000122 head: 0000000000000000 0000020000100010 00000000f5000000 ffff888047a841b9 head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5685, tgid 5685 (udevd), ts 126015021081 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x264c/0x26c0 mm/page_alloc.c:3955 __alloc_frozen_pages_noprof+0x222/0x5b0 mm/page_alloc.c:5394 alloc_slab_page mm/slub.c:3295 [inline] allocate_slab+0x7c/0x5e0 mm/slub.c:3410 new_slab mm/slub.c:3456 [inline] refill_objects+0x2d8/0x350 mm/slub.c:7321 refill_sheaf mm/slub.c:2833 [inline] __pcs_replace_empty_main+0x330/0x690 mm/slub.c:4699 alloc_from_pcs mm/slub.c:4775 [inline] slab_alloc_node mm/slub.c:4909 [inline] kmem_cache_alloc_noprof+0x455/0x680 mm/slub.c:4935 alloc_empty_file+0x5b/0x1d0 fs/file_table.c:262 path_openat+0x8f/0x3850 fs/namei.c:4843 do_file_open+0x23e/0x4a0 fs/namei.c:4886 do_sys_openat2+0x115/0x200 fs/open.c:1368 do_sys_open fs/open.c:1374 [inline] __do_sys_openat fs/open.c:1390 [inline] __se_sys_openat fs/open.c:1385 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1385 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5879 tgid 5879 ts 123876483720 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] __free_frozen_pages+0x1185/0x1270 mm/page_alloc.c:2962 __slab_free+0x252/0x2a0 mm/slub.c:5738 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4608 [inline] slab_alloc_node mm/slub.c:4921 [inline] kmem_cache_alloc_noprof+0x358/0x680 mm/slub.c:4935 vm_area_dup+0x28/0x670 mm/vma_init.c:127 __split_vma+0x1f3/0xbd0 mm/vma.c:531 vms_gather_munmap_vmas+0x4e3/0x1370 mm/vma.c:1493 __mmap_setup mm/vma.c:2496 [inline] __mmap_region mm/vma.c:2818 [inline] mmap_region+0x91a/0x2230 mm/vma.c:2922 do_mmap+0xc1e/0x10b0 mm/mmap.c:560 vm_mmap_pgoff+0x275/0x4e0 mm/util.c:581 ksys_mmap_pgoff+0x4a6/0x720 mm/mmap.c:606 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888047a84080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888047a84100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888047a84180: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888047a84200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888047a84280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================