last executing test programs: 2.164430376s ago: executing program 3 (id=13): socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_NEW(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000006c0)=ANY=[@ANYBLOB="800000000001010400000000141a000002fff500240001801400018008000100e000000108000200e00000010c00028005000100000000002400028014000180080001000000000008000200ac1e00010c000280050001000000000008000740000000011c00108008000140000000000800024000000000080003"], 0x80}}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_NEW(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="140000000301010100"], 0x14}, 0x1, 0x0, 0x0, 0x20040004}, 0x48044) close_range(r0, 0xffffffffffffffff, 0x0) 2.034575439s ago: executing program 3 (id=20): r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000002180)={0x1, &(0x7f0000000380)=[{0x6, 0x0, 0x0, 0x7fffffff}]}) r1 = syz_usb_connect$printer(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000000000402505a8a4410001020b0109021b00010100c00009040000020701010009050102"], 0x0) syz_usb_control_io$printer(r1, 0x0, &(0x7f00000011c0)={0x34, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000001180)={0x20, 0x0, 0x1}}) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) poll(&(0x7f0000000040)=[{r2, 0x2010}], 0x1, 0xbfcb) close_range(r0, 0xffffffffffffffff, 0x0) 721.679222ms ago: executing program 1 (id=49): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0x5001}) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000200)={'syzkaller1\x00', 0x1}) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x0, 0x31, 0xffffffffffffffff, 0x0) read$FUSE(r0, &(0x7f0000000b80)={0x2020}, 0x2020) 637.222894ms ago: executing program 1 (id=52): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/nofua\x00', 0x2, 0x0) write(r0, &(0x7f00000002c0)="107aed1c28", 0x5) 591.444675ms ago: executing program 1 (id=54): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0x2f, &(0x7f0000000380)=0x9, 0x4) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}, 0x2006}, 0x1c) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e22, 0x6, @ipv4={'\x00', '\xff\xff', @empty}, 0x4c}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000100)='vlan0\x00', 0x10) sendmmsg$inet(r0, &(0x7f0000001240)=[{{0x0, 0x0, &(0x7f0000003e40)=[{&(0x7f00000006c0)="0156", 0x2}], 0x1}}, {{0x0, 0x0, &(0x7f0000002b40)=[{&(0x7f0000000000)='\x00', 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000680)=[{&(0x7f0000000480)='=', 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000ec0)=[{&(0x7f00000003c0)='M', 0x1}], 0x1}}], 0x4, 0x119e75c40277adee) 547.615646ms ago: executing program 1 (id=56): r0 = inotify_init() r1 = socket(0xa, 0x3, 0x3a) setsockopt$MRT6_DEL_MIF(r1, 0x29, 0xc8, 0x0, 0xc000000) syz_open_dev$tty20(0xc, 0x4, 0x0) syz_usb_connect$cdc_ecm(0x3, 0x0, 0x0, &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0}) close_range(r0, 0xffffffffffffffff, 0x0) 480.803568ms ago: executing program 3 (id=61): mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) prctl$PR_SET_SECUREBITS(0x1c, 0x1d) setresuid(0x0, 0xee00, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f00000003c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f00000002c0), 0x12) 459.011058ms ago: executing program 3 (id=63): r0 = inotify_init1(0x80000) inotify_add_watch(r0, &(0x7f0000000240)='.\x00', 0x60000526) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0) r1 = inotify_init1(0x800) inotify_add_watch(r1, &(0x7f0000000080)='./file0\x00', 0x10000004) rmdir(&(0x7f0000000180)='./file0\x00') 425.496979ms ago: executing program 2 (id=65): unshare(0x24020400) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x4e22, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x2}}, 0x2e) r2 = fcntl$dupfd(r0, 0x0, r0) setsockopt$inet_mtu(r2, 0x111, 0xa, &(0x7f0000000000)=0x3, 0x4) 423.041749ms ago: executing program 3 (id=66): r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0xa2f01, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000140)={'syzkaller1\x00', @multicast}) write$tun(r0, &(0x7f0000000280)={@val={0xa, 0x9000}, @void, @eth={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @random="0eb6ff7fffff", @void, {@ipv6={0x86dd, @icmpv6={0x9, 0x6, "4fd2cd", 0x78, 0x3a, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', @mcast2, {[], @dest_unreach={0x1, 0x3, 0x0, 0x72, '\x00', {0x1, 0x6, "dc46d9", 0x5, 0x2b, 0x0, @dev={0xfe, 0x80, '\x00', 0x16}, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, [@srh={0x88, 0x8, 0x4, 0x4, 0x3, 0x78, 0xbc4, [@remote, @dev={0xfe, 0x80, '\x00', 0x1c}, @ipv4={'\x00', '\xff\xff', @loopback}, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01']}]}}}}}}}}, 0xb2) 397.33717ms ago: executing program 2 (id=67): r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet(r0, &(0x7f0000000140)={0x2, 0x0, @remote}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000000), 0x20000328) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000000)={0x0, 0x3}, 0x8) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) 308.002152ms ago: executing program 3 (id=70): syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) r0 = socket$packet(0x11, 0x2, 0x300) getsockopt$packet_int(r0, 0x107, 0xc, 0x0, &(0x7f0000001600)) 259.887923ms ago: executing program 0 (id=71): r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000380), 0x42, 0x0) syz_fuse_handle_req(r0, 0x0, 0x0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x20, 0xffffffffffffffda}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r1, 0x107, 0xf, &(0x7f0000000100)=0x207, 0x4) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'bridge0\x00', 0x0}) sendto$packet(r1, &(0x7f00000002c0)="05031600d3fc140000004788031c09102c28", 0xfce0, 0x4, &(0x7f0000000140)={0x11, 0x86dd, r2, 0x1, 0x0, 0x6, @multicast}, 0x14) 227.679474ms ago: executing program 0 (id=72): r0 = openat$rnullb(0xffffffffffffff9c, &(0x7f0000000000), 0x109640, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r0, 0xc144f000) syz_kvm_setup_syzos_vm$x86(0xffffffffffffffff, &(0x7f000020f000/0x400000)=nil) ioctl$FS_IOC_ENABLE_VERITY(r0, 0x40806685, &(0x7f0000000180)={0x1, 0x1, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0}) fadvise64(r0, 0x5, 0x4, 0x2) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) 227.399474ms ago: executing program 2 (id=73): r0 = openat$kvm(0x0, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil) r3 = syz_kvm_add_vcpu$x86(r2, &(0x7f0000000100)={0x0, 0x0}) ioctl$KVM_SET_VCPU_EVENTS(r3, 0x4040aea0, &(0x7f000000b000)=@x86={0x0, 0x0, 0xfc, 0x0, 0x6, 0x0, 0x0, 0x0, 0xa8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x1, 0xfe}) ioctl$KVM_SET_NESTED_STATE(r3, 0x4080aebf, &(0x7f0000004c00)=@vmx={0x8, 0x0, 0x2080, {0xc000, 0x4}, {"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143.982756ms ago: executing program 2 (id=74): r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.usage_sys\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f00000227c0)={'#! ', './file0'}, 0xb) mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x1, 0x10012, r0, 0x0) madvise(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x19) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)) 121.322037ms ago: executing program 2 (id=75): r0 = socket$netlink(0x10, 0x3, 0x6) bind$netlink(r0, &(0x7f0000514ff4)={0x10, 0x0, 0x0, 0x2ffffffff}, 0xc) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r0, 0x10e, 0x4, &(0x7f0000000100)=0x1800, 0x4) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000001cc0)=ANY=[@ANYBLOB="ac0100001700010000000000000000007f0000010000000000000000000000000000fefffffffffffd8000000000000000000000000000bbac1414bb000000000000000000000000ffffff2b6b57a470b83fce00000000004e210000000000000000006400000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="fc0200000000000000000000000000000000000000000000000000000000000100000000000000000a00802000000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000200000000f9ffffff00000000000000000000000084000500ffffffff000000000000000000000000000004d33c0000000a00000000000000000000000000000000000001053500000200ac0003000000010000000900000000000000000000000000000000000001000004d56c"], 0x1ac}}, 0x0) 95.344228ms ago: executing program 2 (id=76): r0 = syz_usb_connect$cdc_ncm(0x0, 0x6e, &(0x7f00000000c0)=ANY=[@ANYBLOB="12010000020000402505a1a440000102030109025c0002010000000904000001020d0000052406000105240000000d240f01000000000000feff0006241a00000c0905810300020000000904010000020d000009040101"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000340)={0x44, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x20, 0x80, 0x1c, {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x800, 0x10, 0x10, 0x10}}, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) 77.466858ms ago: executing program 0 (id=77): r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x210000000013, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet(r0, &(0x7f0000000180)={0x2, 0x4e21, @local}, 0x10) setsockopt$inet_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f00000001c0), 0x4) close(0x3) 66.424068ms ago: executing program 0 (id=78): r0 = socket(0x28, 0x5, 0x0) bind$vsock_stream(r0, &(0x7f0000000040), 0x10) listen(r0, 0x0) r1 = socket(0x28, 0x5, 0x0) connect$vsock_stream(r1, &(0x7f0000000080), 0x10) sendmmsg(r1, &(0x7f0000000100)=[{{0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000000)="1b", 0x40012}], 0x1}}], 0x1, 0x24008094) 53.510219ms ago: executing program 0 (id=79): r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r0, 0xaf01, 0x0) r1 = eventfd(0x0) ioctl$VHOST_SET_VRING_KICK(r0, 0x4008af20, &(0x7f0000000040)={0x1, r1}) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff7ffc}]}) close_range(r2, 0xffffffffffffffff, 0x0) 40.297189ms ago: executing program 0 (id=80): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) write$tun(r0, &(0x7f0000000080)={@val={0x0, 0x22f0}, @void, @eth={@random="414f670b000e", @remote, @void, {@ipv6={0x86dd, @generic={0x1, 0x6, '\x00\a\x00', 0x0, 0x2f, 0x0, @remote, @rand_addr=' \x01\x00'}}}}}, 0x3a) 18.57067ms ago: executing program 1 (id=81): mkdir(&(0x7f0000000400)='./file0\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000b80), 0x8, &(0x7f0000000180)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) mount$incfs(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000200), 0x80, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120) linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000) 0s ago: executing program 1 (id=82): sendmsg$IPCTNL_MSG_EXP_NEW(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000280)={0x88, 0x0, 0x2, 0x101, 0x0, 0x0, {0xa, 0x0, 0x4}, [@CTA_EXPECT_HELP_NAME={0xa, 0x6, 'Q.931\x00'}, @CTA_EXPECT_CLASS={0x8, 0x9, 0x1, 0x0, 0xe6}, @CTA_EXPECT_TIMEOUT={0x8, 0x4, 0x1, 0x0, 0x2}, @CTA_EXPECT_MASTER={0x58, 0x1, 0x0, 0x1, [@CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @initdev={0xac, 0x1e, 0x0, 0x0}}, {0x8, 0x2, @broadcast}}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @remote}, {0x14, 0x4, @ipv4={'\x00', '\xff\xff', @loopback}}}}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @private=0xa010100}, {0x8, 0x2, @rand_addr=0x64010100}}}]}]}, 0x88}, 0x1, 0x0, 0x0, 0xae6250cd10666883}, 0x4004084) r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000100)=0x207, 0x4) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'xfrm0\x00', 0x0}) sendto$packet(r0, &(0x7f00000002c0)="05031600d3fc140000004788031c09102f28", 0xfce0, 0x4, &(0x7f0000000140)={0x11, 0x86dd, r2, 0x1, 0x0, 0x6, @multicast}, 0x14) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.131' (ED25519) to the list of known hosts. [ 25.280722][ T36] audit: type=1400 audit(1785552561.650:64): avc: denied { mounton } for pid=286 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 25.281990][ T286] cgroup: Unknown subsys name 'net' [ 25.304003][ T36] audit: type=1400 audit(1785552561.650:65): avc: denied { mount } for pid=286 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.331592][ T36] audit: type=1400 audit(1785552561.690:66): avc: denied { unmount } for pid=286 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.331778][ T286] cgroup: Unknown subsys name 'devices' [ 25.454474][ T286] cgroup: Unknown subsys name 'hugetlb' [ 25.461399][ T286] cgroup: Unknown subsys name 'rlimit' [ 25.573479][ T36] audit: type=1400 audit(1785552561.950:67): avc: denied { setattr } for pid=286 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 25.596958][ T36] audit: type=1400 audit(1785552561.950:68): avc: denied { mounton } for pid=286 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 25.605987][ T288] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.621966][ T36] audit: type=1400 audit(1785552561.950:69): avc: denied { mount } for pid=286 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 25.653831][ T36] audit: type=1400 audit(1785552562.010:70): avc: denied { relabelto } for pid=288 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 25.680216][ T36] audit: type=1400 audit(1785552562.010:71): avc: denied { write } for pid=288 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 25.715334][ T36] audit: type=1400 audit(1785552562.090:72): avc: denied { read } for pid=286 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 25.743673][ T36] audit: type=1400 audit(1785552562.090:73): avc: denied { open } for pid=286 comm="syz-executor" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 25.744292][ T286] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 26.583198][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.590368][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.597828][ T295] bridge_slave_0: entered allmulticast mode [ 26.604407][ T295] bridge_slave_0: entered promiscuous mode [ 26.622196][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.629355][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.637027][ T295] bridge_slave_1: entered allmulticast mode [ 26.643506][ T295] bridge_slave_1: entered promiscuous mode [ 26.687145][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.694445][ T294] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.702613][ T294] bridge_slave_0: entered allmulticast mode [ 26.708958][ T294] bridge_slave_0: entered promiscuous mode [ 26.715865][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.723256][ T294] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.730415][ T294] bridge_slave_1: entered allmulticast mode [ 26.736856][ T294] bridge_slave_1: entered promiscuous mode [ 26.747545][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.755291][ T293] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.762750][ T293] bridge_slave_0: entered allmulticast mode [ 26.769071][ T293] bridge_slave_0: entered promiscuous mode [ 26.779321][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.786854][ T293] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.794074][ T293] bridge_slave_1: entered allmulticast mode [ 26.800597][ T293] bridge_slave_1: entered promiscuous mode [ 26.915730][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.922985][ T296] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.930361][ T296] bridge_slave_0: entered allmulticast mode [ 26.937106][ T296] bridge_slave_0: entered promiscuous mode [ 26.945373][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.953197][ T296] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.960649][ T296] bridge_slave_1: entered allmulticast mode [ 26.967352][ T296] bridge_slave_1: entered promiscuous mode [ 27.024371][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.031471][ T294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.038881][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.046021][ T294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.063887][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.071134][ T293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.079126][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.086370][ T293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.110488][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.117771][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.125245][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.132849][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.185803][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.193304][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.202002][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.210483][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.217871][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.225691][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.243754][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.252161][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.260698][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.267897][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.290900][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.298267][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.306699][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.313766][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.345305][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.353029][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.360956][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.368213][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.391470][ T294] veth0_vlan: entered promiscuous mode [ 27.408671][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.415954][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.436130][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.443226][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.465931][ T293] veth0_vlan: entered promiscuous mode [ 27.476156][ T294] veth1_macvtap: entered promiscuous mode [ 27.485547][ T295] veth0_vlan: entered promiscuous mode [ 27.516566][ T296] veth0_vlan: entered promiscuous mode [ 27.523597][ T295] veth1_macvtap: entered promiscuous mode [ 27.535832][ T296] veth1_macvtap: entered promiscuous mode [ 27.542639][ T293] veth1_macvtap: entered promiscuous mode [ 27.583882][ T294] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 27.658390][ T317] syzkaller1: entered promiscuous mode [ 27.667778][ T317] syzkaller1: entered allmulticast mode [ 27.694589][ T316] syzkaller1: entered promiscuous mode [ 27.701884][ T316] syzkaller1: entered allmulticast mode [ 27.734771][ T325] rust_binder: BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 [ 27.870951][ T330] IPv4: Oversized IP packet from 127.202.26.0 [ 27.877693][ T331] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 27.931934][ T333] rust_binder: BC_CLEAR_DEATH_NOTIFICATION death notification not active [ 27.962197][ T64] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 28.123286][ T64] usb 2-1: config 0 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 16 [ 28.139617][ T354] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 28.148738][ T64] usb 2-1: config 0 interface 0 altsetting 0 bulk endpoint 0x8B has invalid maxpacket 64 [ 28.166789][ T64] usb 2-1: New USB device found, idVendor=0a46, idProduct=9621, bcdDevice=4f.32 [ 28.183767][ T64] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 28.191985][ T64] usb 2-1: Product: syz [ 28.198177][ T64] usb 2-1: Manufacturer: syz [ 28.203375][ T64] usb 2-1: SerialNumber: syz [ 28.209479][ T64] usb 2-1: config 0 descriptor?? [ 28.220842][ T323] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 28.228565][ T323] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 28.299448][ T366] netlink: 1363 bytes leftover after parsing attributes in process `syz.2.25'. [ 28.366924][ T379] input: syz1 as /devices/virtual/input/input4 [ 28.412994][ T31] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 28.441837][ T323] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 28.453810][ T323] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 28.573874][ T31] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 28.587610][ T31] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 0 [ 28.598615][ T31] usb 4-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 28.623854][ T31] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.41 [ 28.633335][ T31] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=11 [ 28.641678][ T31] usb 4-1: Product: syz [ 28.648219][ T31] usb 4-1: Manufacturer: syz [ 28.654955][ T31] usb 4-1: SerialNumber: syz [ 28.867798][ T31] usblp 4-1:1.0: usblp0: USB Unidirectional printer dev 2 if 0 alt 0 proto 1 vid 0x0525 pid 0xA4A8 [ 28.880491][ T64] Error reading MAC address [ 28.985608][ T408] 9pnet: p9_errstr2errno: server reported unknown error 0x0000 [ 29.126864][ T31] usb 4-1: USB disconnect, device number 2 [ 29.142153][ T356] usblp0: removed [ 29.403149][ T31] usb 2-1: USB disconnect, device number 2 [ 29.534920][ T438] Mass Storage Function, version: 2009/09/11 [ 29.541077][ T438] LUN: removable file: (no medium) [ 29.576446][ T440] syzkaller1: entered promiscuous mode [ 29.583627][ T440] syzkaller1: entered allmulticast mode [ 29.751678][ T466] syzkaller1: entered promiscuous mode [ 29.761302][ T466] syzkaller1: entered allmulticast mode [ 30.156085][ T294] ------------[ cut here ]------------ [ 30.161613][ T294] WARNING: CPU: 1 PID: 294 at fs/overlayfs/util.c:605 ovl_dir_modified+0x15a/0x190 [ 30.171425][ T294] Modules linked in: [ 30.175617][ T294] CPU: 1 UID: 0 PID: 294 Comm: syz-executor Not tainted syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797 [ 30.188005][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.198323][ T294] RIP: 0010:ovl_dir_modified+0x15a/0x190 [ 30.204604][ T294] Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 9e 83 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 bc 5d 5d 03 cc e8 96 c0 3e ff <0f> 0b e9 3e ff ff ff e8 8a c0 3e ff 0f 0b e9 6e ff ff ff 44 89 f9 [ 30.225317][ T294] RSP: 0018:ffffc9000b6afb88 EFLAGS: 00010293 [ 30.231947][ T294] RAX: ffffffff8248b12a RBX: 0000000000000000 RCX: ffff888124711300 [ 30.240240][ T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 30.248756][ T294] RBP: ffffc9000b6afbb0 R08: ffff8881195e4f3f R09: 1ffff110232bc9e7 [ 30.256993][ T294] R10: dffffc0000000000 R11: ffffed10232bc9e8 R12: 0000000000000000 [ 30.265275][ T294] R13: dffffc0000000000 R14: ffff8881195e4ea0 R15: ffff8881196b1990 [ 30.273718][ T294] FS: 000055557cd16500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 30.283045][ T294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.289849][ T294] CR2: 000055557cd41998 CR3: 0000000103778000 CR4: 00000000003526b0 [ 30.298059][ T294] Call Trace: [ 30.301443][ T294] [ 30.304621][ T294] ovl_do_remove+0x824/0xd10 [ 30.309338][ T294] ? ovl_set_redirect+0x780/0x780 [ 30.314416][ T294] ? __cfi_down_write+0x10/0x10 [ 30.319298][ T294] ovl_rmdir+0x1e/0x30 [ 30.323575][ T294] vfs_rmdir+0x3de/0x560 [ 30.327969][ T294] incfs_kill_sb+0x102/0x220 [ 30.332659][ T294] deactivate_locked_super+0xd5/0x270 [ 30.338242][ T294] deactivate_super+0xb8/0xe0 [ 30.343093][ T294] cleanup_mnt+0x438/0x4d0 [ 30.347535][ T294] __cleanup_mnt+0x1d/0x40 [ 30.352051][ T294] task_work_run+0x1e8/0x260 [ 30.356718][ T294] ? __cfi_task_work_run+0x10/0x10 [ 30.362028][ T294] ? __x64_sys_umount+0x12e/0x180 [ 30.367215][ T294] ? __cfi___x64_sys_umount+0x10/0x10 [ 30.372875][ T294] ? __kasan_check_read+0x15/0x20 [ 30.377950][ T294] resume_user_mode_work+0x35/0x50 [ 30.383344][ T294] syscall_exit_to_user_mode+0x63/0xb0 [ 30.389211][ T294] do_syscall_64+0x63/0xf0 [ 30.393963][ T294] ? clear_bhb_loop+0x50/0xa0 [ 30.398722][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.405038][ T294] RIP: 0033:0x7f634079f257 [ 30.409636][ T294] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 30.429776][ T294] RSP: 002b:00007ffcc458f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 30.438353][ T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f634079f257 [ 30.446740][ T294] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc458f3a0 [ 30.455461][ T294] RBP: 00007ffcc458f3a0 R08: 00007ffcc45903a0 R09: 00000000ffffffff [ 30.463590][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc4590430 [ 30.471690][ T294] R13: 00007f634083445c R14: 00000000000075a8 R15: 00007ffcc4590470 [ 30.479722][ T294] [ 30.482940][ T294] ---[ end trace 0000000000000000 ]--- [ 30.488770][ T294] ------------[ cut here ]------------ [ 30.494297][ T294] WARNING: CPU: 0 PID: 294 at fs/overlayfs/util.c:605 ovl_dir_modified+0x15a/0x190 [ 30.503767][ T294] Modules linked in: [ 30.507742][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Tainted: G W syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797 [ 30.521523][ T294] Tainted: [W]=WARN [ 30.525626][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 30.535718][ T294] RIP: 0010:ovl_dir_modified+0x15a/0x190 [ 30.541372][ T294] Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 9e 83 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 bc 5d 5d 03 cc e8 96 c0 3e ff <0f> 0b e9 3e ff ff ff e8 8a c0 3e ff 0f 0b e9 6e ff ff ff 44 89 f9 [ 30.561296][ T294] RSP: 0018:ffffc9000b6afb88 EFLAGS: 00010293 [ 30.567413][ T294] RAX: ffffffff8248b12a RBX: 0000000000000000 RCX: ffff888124711300 [ 30.575631][ T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 30.583907][ T294] RBP: ffffc9000b6afbb0 R08: ffff8881195e4f3f R09: 1ffff110232bc9e7 [ 30.591893][ T294] R10: dffffc0000000000 R11: ffffed10232bc9e8 R12: 0000000000000000 [ 30.600004][ T294] R13: dffffc0000000000 R14: ffff8881195e4ea0 R15: ffff8881196b1990 [ 30.609604][ T294] FS: 000055557cd16500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.618723][ T294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.622208][ T45] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 30.625461][ T294] CR2: 00007f282cfef2f8 CR3: 0000000103778000 CR4: 00000000003526b0 [ 30.640950][ T294] Call Trace: [ 30.644287][ T294] [ 30.647234][ T294] ovl_do_remove+0x824/0xd10 [ 30.652157][ T294] ? ovl_set_redirect+0x780/0x780 [ 30.659736][ T294] ? __cfi_down_write+0x10/0x10 [ 30.666147][ T294] ovl_rmdir+0x1e/0x30 [ 30.670347][ T294] vfs_rmdir+0x3de/0x560 [ 30.674834][ T294] incfs_kill_sb+0x197/0x220 [ 30.679692][ T294] deactivate_locked_super+0xd5/0x270 [ 30.685349][ T294] deactivate_super+0xb8/0xe0 [ 30.690271][ T294] cleanup_mnt+0x438/0x4d0 [ 30.695101][ T294] __cleanup_mnt+0x1d/0x40 [ 30.699729][ T294] task_work_run+0x1e8/0x260 [ 30.704511][ T294] ? __cfi_task_work_run+0x10/0x10 [ 30.709987][ T294] ? __x64_sys_umount+0x12e/0x180 [ 30.715516][ T294] ? __cfi___x64_sys_umount+0x10/0x10 [ 30.721007][ T294] ? __kasan_check_read+0x15/0x20 [ 30.726097][ T294] resume_user_mode_work+0x35/0x50 [ 30.731313][ T294] syscall_exit_to_user_mode+0x63/0xb0 [ 30.737081][ T294] do_syscall_64+0x63/0xf0 [ 30.741538][ T294] ? clear_bhb_loop+0x50/0xa0 [ 30.746519][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.752549][ T294] RIP: 0033:0x7f634079f257 [ 30.756970][ T294] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 30.776796][ T294] RSP: 002b:00007ffcc458f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 30.783326][ T45] usb 3-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 30.785290][ T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f634079f257 [ 30.785314][ T294] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc458f3a0 [ 30.795846][ T45] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 30.803657][ T294] RBP: 00007ffcc458f3a0 R08: 00007ffcc45903a0 R09: 00000000ffffffff [ 30.803683][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcc4590430 [ 30.813884][ T45] usb 3-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 30.822834][ T294] R13: 00007f634083445c R14: 00000000000075a8 R15: 00007ffcc4590470 [ 30.822862][ T294] [ 30.831298][ T45] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 30.839145][ T294] ---[ end trace 0000000000000000 ]--- [ 30.840511][ T36] kauditd_printk_skb: 132 callbacks suppressed [ 30.840525][ T36] audit: type=1400 audit(1785552567.220:206): avc: denied { unmount } for pid=294 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 30.848742][ T45] usb 3-1: Product: syz [ 30.903610][ T45] usb 3-1: Manufacturer: syz [ 30.911034][ T45] usb 3-1: SerialNumber: syz [ 31.921153][ T45] cdc_ncm 3-1:1.0: bind() failure [ 31.927181][ T45] cdc_ncm 3-1:1.1: CDC Union missing and no IAD found [ 31.934405][ T45] cdc_ncm 3-1:1.1: bind() failure [ 32.153307][ T10] usb 3-1: USB disconnect, device number 2