last executing test programs: 221.860105ms ago: executing program 3 (id=4): syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000000)=[@text16={0x10, &(0x7f0000000140)="f40f4bbb21e70f01be2ae10f015faf73da26e9fb2d643e660fc770000fc7582e0f019b0b000f0131", 0x28}], 0x1, 0x0, 0x0, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x88000, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x2501, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000003c0)={[0x60000000004, 0x7, 0x1, 0x41, 0xc3d, 0x0, 0x2004cb, 0xffffffdfffffffff, 0xa1d, 0x7, 0x100005, 0x79, 0x3, 0x2], 0x3332d000, 0x202}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_SET_SREGS(r2, 0x4138ae84, &(0x7f0000000100)={{0x4000, 0xe000, 0x0, 0x77, 0x0, 0x13, 0xcb, 0x6, 0x0, 0xe, 0x6, 0xf4}, {0x2, 0x50000, 0x3, 0xeb, 0x2, 0x0, 0x0, 0xff, 0x8, 0x0, 0x3}, {0x41000, 0x1000, 0xe, 0x0, 0x7, 0xc4, 0x5, 0x1, 0x55, 0x3, 0x4, 0xfc}, {0x1, 0x9000, 0x9, 0x10, 0x80, 0x0, 0x9, 0x0, 0x3, 0x0, 0x9, 0x1}, {0x26000, 0xffff1000, 0xd, 0x7, 0x0, 0x4, 0x0, 0x6, 0x2, 0x34, 0xff}, {0xffff1000, 0x1, 0x0, 0x74, 0x8, 0x0, 0x2, 0x1c, 0xe, 0xff, 0x5}, {0xeeee8000, 0xdddd1000, 0xa, 0x7, 0x0, 0x0, 0x7, 0x7, 0x0, 0x3}, {0x0, 0x6000, 0xa, 0x0, 0xa5, 0x7, 0x8, 0x40, 0x26, 0x0, 0x0, 0x2}, {0x80a0000, 0x9}, {0x3000, 0xfffd}, 0xddf8ffdb, 0x0, 0xeeee0000, 0x120, 0x0, 0xf801, 0xdddd1000, [0x80000001, 0x0, 0xfffffdffffffffff, 0xfffffffeffffffff]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 204.748255ms ago: executing program 0 (id=1): syz_usb_connect$uac3(0x0, 0x85, &(0x7f0000000080)=ANY=[@ANYBLOB="0513b659796d2001001f4a12011001000000ca4653d87754454b3fe1200c200b10e7b99e6e591f5682bf88400001020301090273000301f3c501300703040000000112eecd6b18b1749a156ffd0f97e4766a677bab04875e4ed8ba4103aa9599193bf748338ec0d56a0c963bf5a9f7000264ff5f73b1376b79a9837c6b786c364bbd2b000000000000"], 0x0) r0 = socket$inet(0x2, 0x3, 0x4) r1 = socket$inet(0x2, 0x2, 0x1) sendmsg$inet(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000004c0)='\b\x00', 0x2}, {&(0x7f0000000180)="96bc1480bb35", 0x6}], 0x2}, 0x24008004) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)='ip6_vti0\x00', 0x10) sendmmsg$inet(r0, &(0x7f0000000280)=[{{&(0x7f0000000240)={0x2, 0x4e01, @dev={0xac, 0x14, 0x14, 0x44}}, 0x10, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='4\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\a\x00\x00\x00D \r'], 0x38}}], 0x1, 0x46000) syz_usb_connect$cdc_ncm(0x2, 0xa5, &(0x7f0000000140)={{0x12, 0x1, 0x201, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x93, 0x2, 0x1, 0x14, 0x0, 0xa0, "", {{0x9, 0x4, 0x0, 0x0, 0x1, 0x2, 0xd, 0x0, 0x0, {{0x5}, {0x5}, {0xd, 0x24, 0xf, 0x1, 0x7fffffff, 0x3, 0x8, 0xff}, {0x6}, [@dmm={0x7, 0x24, 0x14, 0x183, 0x1}, @mbim={0xc, 0x24, 0x1b, 0x1, 0x3a, 0x9, 0x6, 0x7, 0x4}, @country_functional={0x12, 0x24, 0x7, 0xc6, 0x4f, [0x5, 0x3, 0x3, 0x5, 0x6, 0x2]}, @call_mgmt={0x5, 0x24, 0x1, 0x0, 0xfb}, @call_mgmt={0x5, 0x24, 0x1, 0x1, 0x5}, @mbim_extended={0x8, 0x24, 0x1c, 0x351b, 0x9, 0x401}]}, {{0x9, 0x5, 0x81, 0x3, 0x20, 0xf9, 0x2, 0x5}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x2, 0x2, 0xd, 0x0, 0x0, "", {{{0x9, 0x5, 0x82, 0x2, 0x400, 0x5, 0x8, 0x8}}, {{0x9, 0x5, 0x3, 0x2, 0x400, 0x0, 0xc, 0x3}}}}}}}]}}, &(0x7f0000000880)={0xa, &(0x7f0000000200)={0xa, 0x6, 0x200, 0x6, 0x6, 0xfe, 0x40, 0xff}, 0x19, &(0x7f0000000240)={0x5, 0xf, 0x19, 0x1, [@ss_container_id={0x14, 0x10, 0x4, 0x2, "61fa7de3400b0259f37fa050d56e2010"}]}, 0x9, [{0xd3, &(0x7f0000000280)=@string={0xd3, 0x3, "ec60676e8580063591b5407d804d673274b0f46f0579b1dd6044058ce99e6299c48210bff35da2fd718d4bd4532850e2e3451d9c140328e6cdb8ae06b71d365999c3f5417ed089bf3e362a12ac28237d86ebf7306fb43a2f8d574c51045746e73594d6d6d565f0a10cee4138989d09893d7a4eaf4d9f517794dcbdaa5bd476059a0951d27385a7899a326dfa6d63a4182972d303d89a1175acd082a8d63c043163f403ef29e590d8d206578bfab752411587516b945e7965ba4925733f9367e532b045b06234c38bfc3c3e69a2c932baf4"}}, {0xa1, &(0x7f0000000380)=@string={0xa1, 0x3, "60996a2d14f78e673756787a1c794b89717017ff63b4a7cd58090b3245d27b2326c5d17a98c833629d272e3e503cb32e11aad87acacb47a159fe6657427a03e448e456fc45c774e7a725206b3221ff5d0fd3c88234b131d0bae294c789686e093ce701aff6bacf33d2db72214e8caf3f0ab2dfd0d42f493f768800436bb7fc24b9b82f365df4124c95e6e87637564d477a8bd598ffe8e532c9d779eba31697"}}, {0x9d, &(0x7f0000000440)=@string={0x9d, 0x3, "769032fe8b570179307c35e6455591055fbcebdc2c6fef04c79786a1bd93a3a7cbe0c4717c70b8e5c23e4d53b9bafa161a3c7fe0714f6512f20fc0746fbf910cf9be62f89ed9ca2c907cde73e16754fa8c4975aa17e089ce5e931eaf5041f386ac9276d57c3a267c668df6f1976bd0daf985dcf66ff652d538995654e0df92d8b3c72e728e9a0e36e5cbd7484dd9c73309a3e389a87969e0c33a68"}}, {0xff, &(0x7f0000000500)=@string={0xff, 0x3, "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"}}, {0x4, &(0x7f0000000600)=@lang_id={0x4, 0x3, 0x180a}}, {0xed, &(0x7f0000000640)=@string={0xed, 0x3, "90266f2bdd8aa681a736fee1e3d08b2bc3415c212a2168179b211434bcd73ceb61c9d88b3709922eb966981787bb1eae703a9d36bc361edd2cddd53b376e1285a3541dee2e87a68dcba51023a435b92ae1b5d580e6b048b23828c5e89f9e75c9fde59adfd2ed5d048b56b9412a5f54e4f219a0b121f490c01956fd8b5e5390ebaac4848a10ace3e26f555650aa360a9e9c416a21c8903226c2ccc39eced778930663796d1357df112f4e515d9d4293865281bde3ed282d23637790e7c38354839612c461857c7aa2ce91c44a5b9fb6b2722773d659dd933f41458b718ca68b6f38cd92e1c2625b568f02b1"}}, {0x5, &(0x7f0000000740)=@string={0x5, 0x3, "6585d7"}}, {0xb3, &(0x7f0000000780)=@string={0xb3, 0x3, "a8c7a61d5a7ed1b2dc80ed0bb80202af361df34f2bf8a98742afd6c06cd11152141e0c7a1b0a4df2b9b932f48dfafc619c7718832b0fad7585b71eb96ac9e145f6e7d826b196f204794883ea0f846a28810f667eb4a14ed6c00ba7ab5871c43ac27acfec7538f5bb2da3468cbae954db5f348e25ab6e86f41916ac8b729df21ccf4ad4692d94fd135e0210055566573933b7653c6093ba31da874833b5d3ab405139fb24b2929ebc8fd344c36c3601e604"}}, {0x4, &(0x7f0000000840)=@lang_id={0x4, 0x3, 0xfcff}}]}) r2 = openat$random(0xffffffffffffff9c, &(0x7f0000000040), 0x46100, 0x0) ioctl$RNDADDTOENTCNT(r2, 0x40045201, &(0x7f0000000000)=0x7) 193.912445ms ago: executing program 2 (id=3): openat$kvm(0x0, &(0x7f0000000040), 0x0, 0x0) syz_kvm_add_vcpu$x86(0x0, &(0x7f0000002000)={0x0, &(0x7f00000002c0)=[@cpuid={0x64, 0x18, {0x101, 0x9}}], 0x18}) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x2501, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000003c0)={[0x60000000004, 0x7, 0x1, 0x41, 0xc3d, 0x0, 0x2004cb, 0xffffffdfffffffff, 0xa1d, 0x7, 0x100005, 0x79, 0x3, 0x2], 0x3332d000, 0x202}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_INTERRUPT(0xffffffffffffffff, 0x4004ae86, &(0x7f0000000000)=0xc45) 168.982796ms ago: executing program 1 (id=2): socket$can_bcm(0x1d, 0x2, 0x2) r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000200), 0x802, 0x0) ioctl$UI_BEGIN_FF_ERASE(r0, 0xc00c55ca, &(0x7f0000000080)={0x4010, 0x6, 0x6}) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') r2 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="6c0000001900010000000000000000001d0109004d00128008002100", @ANYRES32=0x0, @ANYBLOB="428184a477201ac90ff2279134e2f333a452c739471e1c7bd4aef90500000000000000dc1900f269b93068ee8401e0199c9cf16ed3db0000000800058004007580"], 0x6c}, 0x1, 0x0, 0x0, 0x5}, 0x804) r3 = socket(0x1e, 0x1, 0x0) connect$tipc(r3, &(0x7f0000000000)=@name={0x1e, 0x2, 0x1, {{0x1, 0x1}}}, 0x10) write$binfmt_misc(r3, &(0x7f0000000340), 0x2000011a) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(r3, 0x89f3, 0x0) sendmsg$IPCTNL_MSG_CT_NEW(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, 0x0, 0x1, 0x101, 0x0, 0x0, {0x0, 0x0, 0x7}}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x4000000) syz_genetlink_get_family_id$ethtool(&(0x7f0000000080), r3) mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5) mmap$usbfs(&(0x7f0000002000/0x2000)=nil, 0x2000, 0x1000000, 0x8010, r1, 0x4) r4 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="300000001e00050300000000fedbdf25000000000800fe00", @ANYRES32=0x0, @ANYBLOB="14000d"], 0x30}, 0x1, 0x8000000, 0x0, 0x400c880}, 0x0) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='smaps_rollup\x00') r5 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1) getsockopt$nfc_llcp(r5, 0x118, 0x2, 0x0, 0x0) fchdir(r0) r6 = inotify_init() inotify_add_watch(r6, &(0x7f0000000000)='./file0\x00', 0x10000000) r7 = socket(0x10, 0x3, 0x0) inotify_add_watch(r6, &(0x7f0000000040)='./file0\x00', 0x82000012) write(r7, &(0x7f0000000000)='$', 0x1) 69.857498ms ago: executing program 3 (id=5): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/usb/drivers/lvs/new_id\x00', 0x1, 0x0) write(r0, &(0x7f0000000200), 0x0) write(r0, &(0x7f0000000200)='1d6b 0003 0\x00', 0xc) write(0xffffffffffffffff, &(0x7f0000000200)='5-0:1.0\x00', 0x7) close(0xffffffffffffffff) 24.96699ms ago: executing program 3 (id=6): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0) write(r0, &(0x7f0000000180)='100\x00', 0x4) write(r0, &(0x7f00000001c0)='200\x00', 0x4) write(r0, &(0x7f0000000200)='300\x00', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0) write(r1, &(0x7f0000000280)='8\x00', 0x2) write(r1, &(0x7f00000002c0)='16\x00', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0) read(r2, &(0x7f0000000340), 0x1000) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./tracefs_dir/free_buffer\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='1\x00', 0x2) write(r0, &(0x7f0000000400)='400\x00', 0x4) write(r1, &(0x7f0000000440)='4\x00', 0x2) r4 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./tracefs_dir/trace\x00', 0x0, 0x0) read(r4, &(0x7f00000004c0), 0x1000) r5 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./tracefs_dir/trace_marker\x00', 0x1, 0x0) write(r5, &(0x7f0000000540)='hello\x00', 0x6) close(r5) close(r0) close(r1) close(r3) 0s ago: executing program 1 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0) write(r0, 0x0, 0x0) write(r0, &(0x7f00000001c0)='200\x00', 0x4) write(r0, &(0x7f0000000200)='300\x00', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0) write(r1, &(0x7f0000000280)='8\x00', 0x2) write(r1, &(0x7f00000002c0)='16\x00', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0) read(r2, &(0x7f0000000340), 0x1000) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./tracefs_dir/free_buffer\x00', 0x1, 0x0) write(r3, &(0x7f00000003c0)='1\x00', 0x2) write(r0, &(0x7f0000000400)='400\x00', 0x4) write(r1, &(0x7f0000000440)='4\x00', 0x2) r4 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./tracefs_dir/trace\x00', 0x0, 0x0) read(r4, &(0x7f00000004c0), 0x1000) close(r4) r5 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./tracefs_dir/trace_marker\x00', 0x1, 0x0) write(r5, &(0x7f0000000540)='hello\x00', 0x6) close(r5) close(r0) close(r1) close(r3) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.170' (ED25519) to the list of known hosts. [ 22.720808][ T36] audit: type=1400 audit(1785164431.940:64): avc: denied { mounton } for pid=287 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 [ 22.724444][ T287] cgroup: Unknown subsys name 'net' [ 22.743581][ T36] audit: type=1400 audit(1785164431.940:65): avc: denied { mount } for pid=287 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 [ 22.770820][ T36] audit: type=1400 audit(1785164431.980:66): avc: denied { unmount } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.771349][ T287] cgroup: Unknown subsys name 'devices' [ 22.896516][ T287] cgroup: Unknown subsys name 'hugetlb' [ 22.902168][ T287] cgroup: Unknown subsys name 'rlimit' [ 22.997635][ T36] audit: type=1400 audit(1785164432.220:67): avc: denied { setattr } for pid=287 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 [ 23.020841][ T36] audit: type=1400 audit(1785164432.220:68): avc: denied { mounton } for pid=287 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 Setting up swapspace version 1, size = 127995904 bytes [ 23.045595][ T36] audit: type=1400 audit(1785164432.220:69): avc: denied { mount } for pid=287 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 [ 23.073440][ T289] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 23.082256][ T36] audit: type=1400 audit(1785164432.300:70): avc: denied { relabelto } for pid=289 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" [ 23.106684][ T287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.107834][ T36] audit: type=1400 audit(1785164432.300:71): avc: denied { write } for pid=289 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" [ 23.141992][ T36] audit: type=1400 audit(1785164432.310:72): avc: denied { read } for pid=287 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" [ 23.167528][ T36] audit: type=1400 audit(1785164432.310:73): avc: denied { open } for pid=287 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" [ 24.374290][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.381375][ T294] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.400601][ T294] bridge_slave_0: entered allmulticast mode [ 24.407941][ T294] bridge_slave_0: entered promiscuous mode [ 24.416288][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.423376][ T294] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.430516][ T294] bridge_slave_1: entered allmulticast mode [ 24.436817][ T294] bridge_slave_1: entered promiscuous mode [ 24.516931][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.524020][ T298] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.531299][ T298] bridge_slave_0: entered allmulticast mode [ 24.537629][ T298] bridge_slave_0: entered promiscuous mode [ 24.554724][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.561799][ T298] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.569159][ T298] bridge_slave_1: entered allmulticast mode [ 24.575489][ T298] bridge_slave_1: entered promiscuous mode [ 24.631116][ T299] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.638246][ T299] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.645631][ T299] bridge_slave_0: entered allmulticast mode [ 24.651909][ T299] bridge_slave_0: entered promiscuous mode [ 24.659970][ T299] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.667065][ T299] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.674247][ T299] bridge_slave_1: entered allmulticast mode [ 24.680500][ T299] bridge_slave_1: entered promiscuous mode [ 24.695727][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.702800][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.709961][ T300] bridge_slave_0: entered allmulticast mode [ 24.716425][ T300] bridge_slave_0: entered promiscuous mode [ 24.722894][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.730014][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.737168][ T300] bridge_slave_1: entered allmulticast mode [ 24.743433][ T300] bridge_slave_1: entered promiscuous mode [ 24.871960][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.879057][ T298] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.886445][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.893495][ T298] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.903176][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.910266][ T294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.917598][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.924651][ T294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.946374][ T299] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.953485][ T299] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.960837][ T299] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.967920][ T299] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.004559][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.011856][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.020133][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.027440][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.035677][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.042968][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.058948][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.066009][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.073885][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.081011][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.096434][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.103476][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.111072][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.118120][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.138195][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.145259][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.157152][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.164232][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.184384][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.191470][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.205985][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.213031][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.263024][ T294] veth0_vlan: entered promiscuous mode [ 25.274689][ T298] veth0_vlan: entered promiscuous mode [ 25.292994][ T299] veth0_vlan: entered promiscuous mode [ 25.300378][ T300] veth0_vlan: entered promiscuous mode [ 25.311315][ T294] veth1_macvtap: entered promiscuous mode [ 25.323092][ T298] veth1_macvtap: entered promiscuous mode [ 25.333166][ T300] veth1_macvtap: entered promiscuous mode [ 25.343943][ T299] veth1_macvtap: entered promiscuous mode [ 25.382347][ T298] 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. [ 25.442462][ T315] 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. [ 25.491461][ T315] kvm_intel: set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state. [ 25.509294][ T320] netlink: 8 bytes leftover after parsing attributes in process `syz.1.2'. [ 25.607795][ T320] Zero length message leads to an empty skb [ 25.648885][ T330] ------------[ cut here ]------------ [ 25.654400][ T330] WARNING: CPU: 1 PID: 330 at kernel/trace/trace.c:2439 tracing_start_tr+0x22a/0x2f0 [ 25.663895][ T330] Modules linked in: [ 25.667810][ T330] CPU: 1 UID: 0 PID: 330 Comm: syz.3.6 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 25.678997][ T330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 25.689056][ T330] RIP: 0010:tracing_start_tr+0x22a/0x2f0 [ 25.694697][ T330] Code: 04 25 28 00 00 00 48 3b 44 24 60 0f 85 84 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fc c3 1a 04 cc e8 d6 26 fc ff <0f> 0b 49 bd 00 00 00 00 00 fc ff df 43 0f b6 04 2c 84 c0 75 79 41 [ 25.714322][ T330] RSP: 0018:ffffc9000b707ac0 EFLAGS: 00010083 [ 25.720391][ T330] RAX: ffffffff818b4aea RBX: 1ffff920016e0f5c RCX: 0000000000080000 [ 25.728359][ T330] RDX: ffffc90002dd7000 RSI: 00000000000004f6 RDI: 00000000000004f7 [ 25.736326][ T330] RBP: ffffc9000b707b78 R08: 0000000000000003 R09: 0000000000000004 [ 25.744297][ T330] R10: dffffc0000000000 R11: fffff520016e0f44 R12: 1ffffffff0ec1af4 [ 25.752269][ T330] R13: 00000000ffffffff R14: ffffffff8760d7a0 R15: ffffffff8760d720 [ 25.760242][ T330] FS: 00007f648cf3e6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.769173][ T330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.775754][ T330] CR2: 0000001b2f71bff8 CR3: 0000000131e78000 CR4: 00000000003526b0 [ 25.783742][ T330] Call Trace: [ 25.787019][ T330] [ 25.789953][ T330] ? tracing_start+0x30/0x30 [ 25.794543][ T330] ? ring_buffer_resize+0xfd4/0x1090 [ 25.799826][ T330] ? __kasan_check_read+0x15/0x20 [ 25.804844][ T330] __tracing_resize_ring_buffer+0x29b/0x2f0 [ 25.810743][ T330] tracing_entries_write+0x221/0x2b0 [ 25.816028][ T330] ? __cfi_tracing_entries_write+0x10/0x10 [ 25.821833][ T330] ? bpf_lsm_file_permission+0xd/0x20 [ 25.827208][ T330] ? __cfi_tracing_entries_write+0x10/0x10 [ 25.833011][ T330] vfs_write+0x3c4/0xfd0 [ 25.837255][ T330] ? __cfi_vfs_write+0x10/0x10 [ 25.842015][ T330] ? __kasan_check_write+0x18/0x20 [ 25.847139][ T330] ? mutex_lock+0x97/0x1d0 [ 25.851575][ T330] ? __cfi_mutex_lock+0x10/0x10 [ 25.856446][ T330] ksys_write+0x145/0x260 [ 25.860775][ T330] ? xfd_validate_state+0x68/0x140 [ 25.865888][ T330] ? __cfi_ksys_write+0x10/0x10 [ 25.870734][ T330] ? __kasan_check_write+0x18/0x20 [ 25.875839][ T330] ? fpregs_restore_userregs+0x11c/0x260 [ 25.881490][ T330] __x64_sys_write+0x7f/0x90 [ 25.886079][ T330] x64_sys_call+0x271c/0x2ee0 [ 25.890752][ T330] do_syscall_64+0x57/0xf0 [ 25.895171][ T330] ? clear_bhb_loop+0x50/0xa0 [ 25.899850][ T330] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.905747][ T330] RIP: 0033:0x7f648bf9de99 [ 25.910158][ T330] 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 [ 25.929760][ T330] RSP: 002b:00007f648cf3e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.938190][ T330] RAX: ffffffffffffffda RBX: 00007f648c225fa0 RCX: 00007f648bf9de99 [ 25.946173][ T330] RDX: 0000000000000004 RSI: 0000200000000400 RDI: 0000000000000003 [ 25.954160][ T330] RBP: 00007f648c033eaf R08: 0000000000000000 R09: 0000000000000000 [ 25.962128][ T330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 25.970095][ T330] R13: 00007f648c226038 R14: 00007f648c225fa0 R15: 00007ffd211fac68 [ 25.978079][ T330] [ 25.981116][ T330] ---[ end trace 0000000000000000 ]--- [ 26.044240][ T67] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.174197][ T67] usb 1-1: device descriptor read/64, error -71 [ 26.414163][ T67] usb 1-1: device descriptor read/64, error -71 [ 26.674222][ T67] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 26.804172][ T67] usb 1-1: device descriptor read/64, error -71 [ 27.054166][ T67] usb 1-1: device descriptor read/64, error -71 [ 27.166429][ T67] usb usb1-port1: attempt power cycle [ 27.514205][ T67] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 27.535318][ T67] usb 1-1: device descriptor read/8, error -71 [ 27.665271][ T67] usb 1-1: device descriptor read/8, error -71 [ 27.904202][ T67] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 27.925344][ T67] usb 1-1: device descriptor read/8, error -71 [ 28.055534][ T67] usb 1-1: device descriptor read/8, error -71 [ 28.164348][ T67] usb usb1-port1: unable to enumerate USB device