last executing test programs: 13.208407289s ago: executing program 0 (id=1502): bind$inet6(0xffffffffffffffff, &(0x7f0000000500)={0xa, 0x6e20, 0xffffffff, @mcast2, 0x4}, 0x1c) syz_emit_ethernet(0x9a, &(0x7f0000000080)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaabb86dd6a00000000641100fe8000000000000000000000000000aaff0200000000000000000000000000014e1d4e20"], 0x0) 11.661628341s ago: executing program 0 (id=1512): mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x100) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0) mount$overlay(0x0, 0x0, &(0x7f0000000140), 0x8, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) linkat(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup\x00', 0xffffffffffffff9c, &(0x7f0000000100)='./file7\x00', 0x1000) syz_mount_image$fuse(&(0x7f00000001c0), &(0x7f00000002c0)='./bus\x00', 0x322020, &(0x7f0000000480)=ANY=[], 0x1, 0x0, 0x0) renameat2(0xffffffffffffff9c, &(0x7f0000000780)='./file7\x00', 0xffffffffffffff9c, &(0x7f00000007c0)='./file1\x00', 0x2) 10.316529478s ago: executing program 0 (id=1522): r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000001600)=""/78, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000001680)) r1 = eventfd2(0x1, 0x1) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f00000001c0)={0x0, r1}) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000240)={0x0, 0x0, 0x0, &(0x7f0000001d00)=""/176, 0x0, 0xffff1000}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000000c0)=0x1) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000000140)={@my=0x1}) r2 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r2, &(0x7f0000000200)={0x28, 0x0, 0x0, @my=0x1}, 0x10) 9.794655688s ago: executing program 3 (id=1526): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'pimreg\x00', 0x5005}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000010024bd7000fc0ddf2500000000", @ANYRES32=0x0, @ANYBLOB="1b0b04000300000008001b"], 0x28}, 0x1, 0x0, 0x0, 0x68010}, 0x0) write$tun(r0, &(0x7f0000000280)={@void, @val={0x3, 0x0, 0x8, 0x6, 0x16, 0xc}, @ipv6=@udp={0x1, 0x6, 'S\aa', 0xfbc, 0x11, 0x1, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @remote, {[@hopopts={0x88, 0x7, '\x00', [@padn={0x1, 0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, @enc_lim={0x4, 0x1, 0x4}, @pad1, @enc_lim={0x4, 0x1, 0xf9}, @generic={0x80, 0x8, "6741b8b78a596151"}, @hao={0xc9, 0x10, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @pad1, @calipso={0x7, 0x8, {0x2, 0x0, 0xf, 0xffff}}]}, @srh={0x21, 0x8, 0x4, 0x4, 0x10, 0x0, 0xf, [@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @loopback, @loopback, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02']}, @srh={0x1, 0x6, 0x4, 0x3, 0x8, 0x40, 0x6, [@private1, @local, @private0={0xfc, 0x0, '\x00', 0x1}]}, @fragment={0x2c, 0x0, 0x30, 0x1, 0x0, 0x10, 0x66}, @fragment={0x2c, 0x0, 0xa3, 0x0, 0x0, 0x2, 0x66}, @routing={0x32, 0x4, 0x2, 0x7, 0x0, [@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @loopback]}, @hopopts={0x3c, 0x1c2, '\x00', [@pad1, @generic={0x0, 0xe0d, "a02f733d208008973b8edcf830d34f0626886d60c8fc95e5b3d234b04a8e6b6ee7fdea42de89a431f337afa1d32fb601ae33526adf3aee45ed3855447c7795afdaa8e323ab3d3908f048d71f9b8cbf067f41635476092c7cdf6431898f0d4924d90871c99846d512dbdcf17c33e671b0fa3ef2811605f0df465ad7bae440319667f82ca57eea378e8c507470a1555d9eee15a1081b24b48dc6b8d862082593a3a30bdc9a887d09da67fcddc4d080320561b7091e28e471d138c688443c4b49dedcd798a6fb3d254d219ed067520c59d3bbce8d20525f1e41a1a6cc25b0d800d3f3d4bbd781fb04f4432a00cfa0086817bc10f61a80da5095ff5eb4faa3b4d05d86149b161e9e2c2ecd178148d0c15154139af57fe7b538a3c534153e2c20488172e7295438ec016f42d92100cecfb5a2abe746fe60342f8edb4ece80524a39f5fcd14c72cb83b00113413fb6a7d3676c95bb6a35e8e9c2114737ade6e14653ae3b5eb74c1ce22d3b1b4e5556e5d599d593bb11d80b50fe606b3d2dfa4d36ca97ad8fc51516d0f3d9527e902013f03ad338145c4cba08417d55b283093fa6e8c084b53f1baef0b3dbe3af7ab7cfeff44ad68eb86fb9d636404730304f26f59bd19a1895e2c70016b810162fc13d54f413f39249f2c191c11e22c750d6f663dea6701753da9b9673c2e1719c3e64a75697ef6eb770f34b32c6d716ed3f0ac8ab871447ae7c37375376baa897e71d75995d72003c6b3eacf307f31268d350b6ca47ee5e16fd1e9cdd3c5ece2fdbaccee0db67d5f48e1229dc51e81c59f650cd8b4fccac001cbe76820c67aaf3dce70479c1672ccec0192eb2ca2a749a954943f0079b09f98ab5f181fe9f2430ddb9314c7937a9be7f49b2c8e10e4fffa0e5504480d37dfeef62af82f1971bde012a043879cbfffaa44f0516e111a7c20c98a89f157b1b38078af41031c62dd11e95ffad6802e80ab624da6c9340143809c41913cd52485851b68fe8111d38ac633697a595108d9aace8b7df5c13e7d013016fea5b0c1f37c7ddf8204e6e9637f22c5402cdbc11206efe5023397abad3a564f74bfaa2cb0840eefd259ac3b5dabdbf3ccd0d3e1d66d761a8098c3d43ecd432675476340aa737a863f915a6c479bbe0aa8a86157c7f685d3dde7fe32af3dfb4ada1d4af22ac758a171d207ce8ebf9feb8e5485fc2c681f60f0b816a1ca49791b86100d60243ed5f465c7fe1abbc6b579b9804a19189e140ee944632b5635dfe02b2be6160fef66c4a210abb2f50ce6f9af3f0681a7b5e24913d5d40669b314b63f9354b1872c52700072922515e69e0ff1534d0e65020f04c0558697314b364e9aee9c6ba352699511687e1956b1edf5eefa689642063a2b4ef544f4b32fa9a012f5225d5a2b07ddb9132dba308e3033c422370686cf2cf1e767601f2a0779914148782fc2cce5eb22b07e9f571a394584222885b3bc217243e6ccaf30500b25b0e6826d4ff2dd7776119a26c052928277b47087efd68c96a821cdcf69a701fbf50fb9d68561affd0ffc0f0806858870b4590436793a0c0bddef5366928f5c2aa40f9900e3ffdb94a86c62a0103c20c2b15d401126d8299534e50924a7f0d2221e28663b88ea87d1d2af2156290102bdfde1a9456ef1120499b0a261425a09bfbe9bf9d69363ad5a69da50734438235c425606219d98cf4d9ca319dbde7a8acd007b13eca710611724ba57c9951cee4b063e592853a7ed9613324d7e135506f24dec2248753821324a6876f2d4c5cfed27afa521f79f2b693bca3d99db0a08ca351be3fa86ff6e6e04f3da3d3103577467d176f8cb251a8cb456c1c21ff36bca826946ae1acf152ff365ba577573b9858f01ef5c080e7e5b7d4740073800798138287664045da61e9b8f1b314e9c7c4218c0c0dbdd6556a230a7a7ac425cd4fd305e75c4ca8819ee657a1ab1127e83290b77f16f6e5a0a6c2d7c30a16d5362a60a24adea84a16e59368f4150b055fb7aca7f702e220ece55c9d0d1d094244beccb48d3c41cb79283e6917f3120e24598044488164ea2d49e02808c1accbd53a97c4fc63a50638d25159acdc5a283e4344d5a942c7abb1f4a5b97d5ae0f74fd0966fc446907ca7c9fb6cee5327b0a5eb621546dca0e678145181e6ed0a5e97c0f708c513c5e5a1f2bdbddff43806909fa1d822a48fc86043ec38b9b1b886741e262f43d1a5b34ba3be522701873fdf94ab4faff98b454fa6415485a6d771f13dc7ab15f49871fdc376e9af1808578343db37f2efd33214f9d85fbae3538c82dcd9a80f083a8c3507962af370ec67ba2592f58e42970ebfa6dd532294b012da4341f8de531624bd1708db79300f40fe5da5a8aac8db11138068af44ebb07c241e08a7455f59fd20bce51c8e8d8661ca50035cf7f5d0e18c3707349f811b08d1ce9979d457c062a477cfa7520ac56fd800506bc50fd127a08c20a1ebf65c684a6025cb3861d16f28cf1e98cee0ebf0222fafb0031b35a29df06505930379c84ba0d421b2b013dabb1eb2f6891b308d945be6586adeec51d97bbdee5b9cdbe1b361a65316ec1695dad38e91b55202866a25810bc2c90b248dadd6e32a0937d7ae03736e74364c0e58734cc8c4b3f3346fc4b7c2fe356e8a27917f19c34cc8a9e3279499769b5fca19f54815038df38903c959f0189cbb8b35004d0346156f2223624b27606fef8961bfdc39f89aececaa33335fee9ed3fe0974ec7cdcedb016d912e02c0feb0db672fd39596359d4774046ab15b40336ae6843c75f9753b353b19d55eab9439e5180738ea8dfb0a9033b61861890cb3c6108664e93b169e0fc9938a39a4a6e59e70d33f414b7f7fcbc1ff7081dce1a82bd55856d2bb5d72230aeefe33ded44e7afcadc597df8a5129d22cce51da3169a40249c46bbb836e605c82b20e2bb0fe525232ad469cbb5c51a24f8364f96dd97c789808c0cec954a5257019546525345b2ed8819c53651b9dcc31019b94a141dc423aaf533b6ce118af567cc7dd5c41a0f7de44e5f0efb53594885ffb63e0663bf0e052d01c6bb1368a829f89cc2be50062ef4537404cd544eb7cfb2fa20ecb43e2fa21462e0d00cde2972de4954860fd1c17f5e9c94e5443459b449d31ce21e22af4a5df33db6e5575319efbb1dee906bb6fe6ebbd083ba6d784393e32d50525ef75dc6b13d90c284467c5a646ca7effa791042c8c3c1aadf5a3ee14e62257f6d6775e339ff677320db279e4e7d2717a27a3ba1fbb93c39ec80b14cdb32be2673e6d110f9fe13ade36cbc46b97464783fb8f34399c57ea5be061897e6f28c3785b144ccc060271d0f7a4ac36eb1674dc097a8185bedd7866c8106b1996188f5e2a2528dacc8af1a057d9832cb6a5defd8e3d6a17e4ee75ca6e6dbc0375bc115f48a3ad2a9fbe9dd07bbefd915a3549c3e929c97e254c9427d8d2935ba65cde2ddb404d77d7d3ba503522a3d26316dfa0db27c6bd815d3057ca2e134dc7fc2103662419921e85d8e275bee4ec06e7bac3717f8606180303fe920ac0a0858d97ac56b0401b4d03fa6ded0c46af3531ddab31dd497be4c297d6db77adc48033fa5f96e658d1eb573d783f13a6bf03970dcf26ba1cf4692d4deb467863c5352b3d57fe6419b384e6c8fea8ad59c051fd010a7e6757af0aaa817e944f2d5d785b1c581a50687f503a67b3ff7a9b2e1544b7445b8a65883b85ce33d06826891893324a34504d4ce331008345c65439fde4937c0befccf8552da4d3dd162b5d5e1049e13742a915ab535ec24d207be7b4741e6391f5fa49e5fc00301fff23f6ff33a1c26be1fa983779e1b997e2370880dab80cf65cdca0dcf371769146be4883a4e321db7a7b022a7275dfae36f5e09a09ad18e1bb0a0a71d3cb7d7ad5aa58dc6d23bba3c44fa261d9498e7121949ccc6a8e0a8b9bf780682248e5dad82be8bdf075b09563236778f5807a6df95c430ce13106679cd012204faa831383b0d87d357928b3cc8940cfc782c32ce56425a42e21f8c7e54fc6bbc09da082d1db9c956712f0705ad27b7806d2c5e659e57417e75ab3e92e8cf4ab6ad85d57dd8f81507d4b9dcbb9bdf58ea2b7dbe65a5d1e5b8a0d69edee7ff8d0b6cfd88e6a840755e04bc1e92cff5ce9900bdb9f9181c2a395a435607b8c457d85af3f33c69edb0087ec6987deb2005c57dd07e4cc361f0d641fbb3ced77a965bfe0b9d9f30bcd210028e2322f37a92bde93c950146374ee62a2715f45826ff0903cd44d5a3a6bacbb68e5cc9ee599b90fa4372c6867049e16210ce57d3274ef05f12261148d3af9aa88694ad903cf6422827e187eba9f0f8da150e86c20a4c4a94d4aa88137243f2df4a72a712efea7f9221032087fc7c037f8faa849d2a153d3c614ddfd85e9a33bca78b908009ccaa62e7aacc98110ce730254ddc9c6c73e1fddae3d841e75a80246e1aa41f0785be8d31770fe9c93185e3c6247d8ae2722dc9dfe545a2f823998e20bce079204efa9a56875e83ae5f466eaba3940cbf9f77b0e902accef0a1dcffdbe95d8eadc7fd5399eb9def4b42fc7dc37f3ed66ed862a9bad701b454ea24fbe441b7a2a6ada663336702e2d09a1b47c24c20f278cc6d0b260ef7b61c1853843d9c4085b2dc34f628a04b941fedfbb2f0adbc6e8cb95c94fc436506f56383fd88cfed01579fed0bf9914982d0e15b1b78ec61779e0b2d5a913c4c6c73e43f2af8ccb636e4b273a88eb819e61d12ddc46d652347b90d273769cf5ec514c24e3e3acbef7ec347aad624746628a524431464614a09868bf139bf952d8b23f114423a7c7f1313fbcbe8a4ba799c71b56d918ae7e7a6410b7f67bf69b31d709c89176f03ed1297dfea59fbae3b88fd3b05b81b9e10dde5dc57d4a384a5174d04d17576b150bbc4400ca30e4ea1030f6f16883e6dd22cd96374832917c395045216b5597f1b1e2e5904e068207dd29a0d8bfa9ac328b730b11aa4eb1a1043582e9ed866541c15c111cc2bc4202613e1567297da445504dd8b3628e965093844286cc24a6d99dc7352362d134906c6f7cca47fb156a76898b29df9a998c105"}]}], {0x4e21, 0x4e21, 0x9c, 0x0, @wg=@initiation={0x1, 0x3, "2a493971a55efeec24a238c797b4fb9747bee983c73f18068fa7777c47db6b8c", "0015b56e59b3e3475583775d7362c831b2ccc4c0489b20106feb6466d384265067611b8f83d26a90005ef0e44568639a", "76f8c85cf7199b0900a8a7706469e101b2659c7e5f1386861ff86cd8", {"e6ca5aa963b79458d28e1951e977492d", "e55940e965e3e2d5b95a38cf8300"}}}}}}, 0xfee) 5.879547361s ago: executing program 3 (id=1535): r0 = socket$inet6_sctp(0xa, 0x5, 0x84) close(0x3) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) close(0x3) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt(r2, 0x84, 0x81, 0x0, 0x0) setsockopt(r1, 0x84, 0x80, &(0x7f0000000000)="1400000009000000", 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000040)=[@in6={0xa, 0x4e23, 0x3fe, @ipv4={'\x00', '\xff\xff', @empty}}], 0x1c) sendto$inet6(r2, &(0x7f0000000080)="b0", 0x1, 0x0, &(0x7f0000000240)={0xa, 0x4e23, 0x7, @loopback, 0x4}, 0x1c) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f0000000500)={0x0, @in6={{0xa, 0x4e23, 0x400, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x3}}}, 0x84) 5.849606706s ago: executing program 0 (id=1537): mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x1, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}}) statx(0xffffffffffffff9c, &(0x7f00000021c0)='./file0\x00', 0x100, 0x88c, 0x0) write$FUSE_INIT(r0, &(0x7f0000004300)={0x50, 0x0, 0x0, {0x7, 0x29, 0x0, 0x1400001, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x4}}, 0x50) read$FUSE(r0, &(0x7f0000004540)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INTERRUPT(r0, &(0x7f0000002200)={0x10, 0xffffffffffffffda, r1}, 0x10) 5.581967341s ago: executing program 1 (id=1538): r0 = socket(0x400000000010, 0x3, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000900)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=@newtfilter={0x3c, 0x2c, 0xd27, 0x70bd28, 0xfffff000, {0x0, 0x0, 0x0, r2, {0xf000, 0xffff}, {}, {0x7}}, [@filter_kind_options=@f_route={{0xa}, {0xc, 0x2, [@TCA_ROUTE4_CLASSID={0x8, 0x1, {0x0, 0xa}}]}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x20000800) 5.288997875s ago: executing program 2 (id=1539): openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x2040, 0x0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x1b0b400, 0x0, 0x1, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x9a) mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000240), 0x20045a, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f00000004c0)='./file0\x00', 0xa0, &(0x7f00000004c0)=ANY=[], 0xff, 0x0, 0x0) renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./file1\x00', 0x2) 5.250027672s ago: executing program 3 (id=1540): socket$inet6_udp(0xa, 0x2, 0x0) fchdir(0xffffffffffffffff) mount(0x0, &(0x7f0000000080)='.\x00', &(0x7f0000000000)='proc\x00', 0x800000, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000580)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x1, 0x3fc, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f0000000300)={0xa, 0x4e23, 0x0, @loopback, 0x3}, 0x7e) setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r1, 0x84, 0x4, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e) sendmmsg$unix(r4, &(0x7f0000000000), 0x651, 0x0) mq_open(&(0x7f00000001c0)=':\\{%\xee!\x00', 0x40, 0x15a, &(0x7f0000000280)={0x8000000000000001, 0x2, 0xffff, 0x7fffffffffffffff}) sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7) sendto$inet6(r1, &(0x7f0000847fff)='X', 0x34000, 0xe0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) close_range(r0, 0xffffffffffffffff, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) timer_create(0x2, &(0x7f0000000040)={0x0, 0x18, 0x4, @tid=r2}, &(0x7f00000000c0)) mremap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f0000fff000/0x1000)=nil) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb, 0x4008032, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x8) r5 = syz_open_procfs(0x0, &(0x7f00000001c0)='smaps_rollup\x00') readv(r5, &(0x7f00000000c0)=[{&(0x7f0000000140)=""/122, 0x7a}], 0x1) shmdt(0x0) 5.13673912s ago: executing program 4 (id=1541): syz_mount_image$vfat(&(0x7f0000000300), &(0x7f0000000040)='./file0\x00', 0x0, &(0x7f0000000080)=ANY=[], 0x4, 0x1286, &(0x7f0000002440)="$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bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1d3142, 0x0) io_setup(0x20fe, &(0x7f0000000540)=0x0) io_submit(r1, 0x3, &(0x7f0000002680)=[&(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x0, r0, &(0x7f0000000200)='p', 0x8200, 0x600}]) mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f00000003c0), 0x0, &(0x7f00000004c0)={[{@upperdir={'upperdir', 0x3d, './file1'}}]}) unlinkat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x200) 4.744556194s ago: executing program 2 (id=1542): mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./file0\x00', 0x4c) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000180), 0x42, 0x0) mount$fuse(0x0, 0x0, &(0x7f0000002100), 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f0000002140)={0x2020, 0x0, 0x0}, 0x2020) syz_fuse_handle_req(r0, &(0x7f00000042c0)="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", 0x2000, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) write$FUSE_INIT(r0, &(0x7f0000004200)={0x50, 0x0, r1, {0x7, 0x2b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa}}, 0x50) syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006780)={0x90, 0x0, 0x0, {0x80000, 0x0, 0x0, 0x0, 0xffffffff, 0x0, {0x0, 0x0, 0x0, 0xffffffffffffffff}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006780)={0x90, 0x0, 0x0, {0x5, 0x0, 0xa53, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x0, 0x0, 0x10b}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) acct(&(0x7f00000001c0)='./file0/file0\x00') 4.496379461s ago: executing program 1 (id=1543): r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in={0x2, 0x4e20, @empty}], 0x10) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x10, &(0x7f0000000040)=[@in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x20}}]}, &(0x7f0000000100)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x85, &(0x7f0000000240)={0x0, @in={{0x2, 0x0, @empty}}, 0xff, 0x3}, 0x90) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, 0x0, 0x0) 4.295169874s ago: executing program 2 (id=1544): openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x2400, 0x0) ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(0xffffffffffffffff, 0x4028af11, &(0x7f0000001500)={0x1, 0x0, 0x0, &(0x7f0000001600)=""/65, 0x0, 0x6000}) ioctl$VHOST_SET_MEM_TABLE(0xffffffffffffffff, 0x4008af03, &(0x7f0000003a00)={0x1, 0x0, [{0x0, 0x1000, &(0x7f0000002900)=""/4096}]}) ioctl$VHOST_SET_VRING_ADDR(0xffffffffffffffff, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000400)=""/185, &(0x7f0000000140)=""/79, 0x9000}) ioctl$VHOST_VSOCK_SET_RUNNING(0xffffffffffffffff, 0x4004af61, &(0x7f00000000c0)=0x1) ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, &(0x7f0000000040)={@my=0x1}) r0 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r0, &(0x7f0000000200)={0x28, 0x0, 0x0, @my=0x1}, 0x10) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000001c0)=ANY=[@ANYBLOB="1800000000000000172e858ca86881f095"], &(0x7f0000000240)='GPL\x00', 0x4, 0x0, 0x0, 0x0, 0x4c}, 0x94) ioctl$VHOST_SET_VRING_ADDR(0xffffffffffffffff, 0x4028af11, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)=""/57, 0x0, &(0x7f0000000500)=""/4092}) ioctl$VHOST_VSOCK_SET_RUNNING(0xffffffffffffffff, 0x4004af61, &(0x7f0000000240)=0x1) 3.869175693s ago: executing program 0 (id=1545): r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000002c80)={0x3, 0xc, &(0x7f0000000140)=ANY=[@ANYBLOB="180200000000000000000000000000008500000011000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000008000000b703000000000000850000000700000095"], &(0x7f0000000080)='GPL\x00'}, 0x94) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)=@base={0x1, 0x6, 0xf, 0x8, 0x41}, 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x7, 0xc, &(0x7f0000000440)=@framed={{}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r1}, {}, {}, {}, {}, {}, {}, {0x85, 0x0, 0x0, 0x3}}]}, 0x0, 0x0, 0xffffffffffffffd4, 0x0, 0x40f00, 0x0, '\x00', 0x0, @fallback=0x31, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0xe5}, 0x94) bpf$MAP_UPDATE_CONST_STR(0x2, &(0x7f0000000380)={{r1}, &(0x7f0000000080), &(0x7f0000000340)='%pB \x00'}, 0x20) close(0x3) bpf$PROG_LOAD(0x5, &(0x7f00000008c0)={0x6, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @xdp, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f00000002c0)={r0, 0x20, 0xe, 0x0, &(0x7f0000000100)="e0b9547ed387dbe9abc89b6f5bec", 0x0, 0xa5bc, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) 3.813734922s ago: executing program 2 (id=1546): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0xca02}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f00000002c0)={0x0, 'syzkaller0\x00', {0x1}, 0xb5}) r2 = socket$netlink(0x10, 0x3, 0x8) ioctl$SIOCSIFHWADDR(r2, 0x8914, 0x0) preadv(r0, &(0x7f0000000280)=[{&(0x7f0000000000)=""/25, 0x19}], 0x1, 0x8, 0x2) 3.424749332s ago: executing program 4 (id=1547): bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000300)={0x2, 0x4, &(0x7f0000000080)=ANY=[@ANYBLOB="1800040000000000000000000000000085002000430000009500000000000000"], &(0x7f0000000000)='syzkaller\x00', 0x8, 0x21, 0xffffffffffffffff, 0x0, 0x3, '\x00', 0x0, 0x38}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x1, 0x4, 0x0, &(0x7f0000000080)='syzkaller\x00', 0x0, 0x0, 0x0, 0x41100, 0xf, '\x00', 0x0, @fallback=0x18, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000300)=@bpf_lsm={0xd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffff43}, 0x94) 3.348703557s ago: executing program 1 (id=1548): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000080)=0x20) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x8, &(0x7f0000000240)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0/file1\x00', 0x121542, 0x60) 2.870675922s ago: executing program 4 (id=1549): r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000200)={0x0, 0x7}, 0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000000)={0x0, 0xcc}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, 0x0, 0x0) sendmmsg$inet6(r0, &(0x7f0000000a40)=[{{&(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback, 0x280020}, 0x1c, &(0x7f00000000c0)=[{&(0x7f0000000540)='\x00', 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000000040)="c9745cd1", 0x4}, {0x0}, {0x0}], 0x3, &(0x7f00000002c0)}}], 0x2, 0x20008050) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000140)={0x0, 0x7, 0x1, [0x2]}, 0xa) 2.527577973s ago: executing program 1 (id=1550): r0 = socket$inet6_sctp(0xa, 0x5, 0x84) close(0x3) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) close(0x3) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt(r2, 0x84, 0x81, 0x0, 0x0) setsockopt(r1, 0x84, 0x80, &(0x7f0000000000)="1400000009000000", 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000040)=[@in6={0xa, 0x4e23, 0x3fe, @ipv4={'\x00', '\xff\xff', @empty}}], 0x1c) sendto$inet6(r2, &(0x7f0000000080)="b0", 0x1, 0x0, &(0x7f0000000240)={0xa, 0x4e23, 0x7, @loopback, 0x4}, 0x1c) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f0000000500)={0x0, @in6={{0xa, 0x4e23, 0x400, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x3}}}, 0x84) 1.813601993s ago: executing program 4 (id=1551): syz_clone3(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000600)={0x9, 0x20000008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x4e22}, 0x6e) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IPT_SO_SET_REPLACE(r2, 0x0, 0x40, &(0x7f00000014c0)=@nat={'nat\x00', 0x62, 0x5, 0x430, 0x398, 0x2a0, 0xffffffff, 0xe0, 0x188, 0x398, 0x398, 0xffffffff, 0x398, 0x398, 0x5, 0x0, {[{{@ip={@multicast2, @initdev={0xac, 0x1e, 0x0, 0x0}, 0x0, 0x0, 'veth0_to_bond\x00', 'wg1\x00'}, 0x0, 0xa8, 0xe0, 0x0, {0x22e}, [@common=@unspec=@statistic={{0x38}}]}, @MASQUERADE={0x38, 'MASQUERADE\x00', 0x0, {0x1, {0x0, @multicast1, @remote, @icmp_id, @icmp_id}}}}, {{@uncond, 0x0, 0x70, 0xa8}, @REDIRECT={0x38, 'REDIRECT\x00', 0x0, {0x1, {0x0, @multicast1, @empty, @gre_key, @icmp_id}}}}, {{@ip={@broadcast, @multicast1, 0x0, 0x0, 'veth1_to_hsr\x00', 'ipvlan0\x00'}, 0x0, 0xe0, 0x118, 0x0, {}, [@common=@socket0={{0x20}}, @common=@osf={{0x50}, {'syz0\x00'}}]}, @DNAT0={0x38, 'DNAT\x00', 0x0, {0x1, {0x0, @private, @multicast2, @gre_key}}}}, {{@ip={@remote, @empty, 0x0, 0x0, 'veth1_to_batadv\x00', 'pim6reg\x00', {0xff}}, 0x0, 0xc0, 0xf8, 0x0, {}, [@common=@ttl={{0x28}}, @common=@inet=@tcpmss={{0x28}, {0xf}}]}, @NETMAP={0x38, 'NETMAP\x00', 0x0, {0x1, {0x16, @remote, @broadcast, @icmp_id}}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x490) sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7) syz_emit_ethernet(0x3e, &(0x7f0000000000)={@link_local={0x3}, @multicast, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x1, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @loopback}, @time_exceeded={0x3, 0x4, 0x0, 0x12, 0x0, 0x3f18, {0x5, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @loopback, @loopback}}}}}}, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000600)={0xffffffffffffffff, 0x5, 0xb68, 0xffffffffffffff6b, &(0x7f0000000000)="ff", 0x0, 0x149c, 0x503, 0x0, 0x0, 0x0, 0x0, 0x2, 0xffff80fe}, 0x48) 1.458173136s ago: executing program 3 (id=1552): openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x2040, 0x0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x1b0b400, 0x0, 0x1, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x9a) mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000240), 0x20045a, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f00000004c0)='./file0\x00', 0xa0, &(0x7f00000004c0)=ANY=[], 0xff, 0x0, 0x0) renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./file1\x00', 0x2) 1.439230563s ago: executing program 0 (id=1553): r0 = socket(0x400000000010, 0x3, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000900)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=@newtfilter={0x3c, 0x2c, 0xd27, 0x70bd28, 0xfffff000, {0x0, 0x0, 0x0, r2, {0xf000, 0xffff}, {}, {0x7}}, [@filter_kind_options=@f_route={{0xa}, {0xc, 0x2, [@TCA_ROUTE4_CLASSID={0x8, 0x1, {0x0, 0xa}}]}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x20000800) 1.184433513s ago: executing program 2 (id=1554): mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./file0\x00', 0x4c) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000180), 0x42, 0x0) mount$fuse(0x0, 0x0, &(0x7f0000002100), 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f0000002140)={0x2020, 0x0, 0x0}, 0x2020) syz_fuse_handle_req(r0, &(0x7f00000042c0)="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", 0x2000, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) write$FUSE_INIT(r0, &(0x7f0000004200)={0x50, 0x0, r1, {0x7, 0x2b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa}}, 0x50) syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006780)={0x90, 0x0, 0x0, {0x80000, 0x0, 0x0, 0x0, 0xffffffff, 0x0, {0x0, 0x0, 0x0, 0xffffffffffffffff}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006780)={0x90, 0x0, 0x0, {0x5, 0x0, 0xa53, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000, 0x0, 0x0, 0x0, 0x10b}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) acct(&(0x7f00000001c0)='./file0/file0\x00') 1.124946413s ago: executing program 3 (id=1555): mkdirat(0xffffffffffffff9c, &(0x7f0000002000)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x1, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}}) statx(0xffffffffffffff9c, &(0x7f00000021c0)='./file0\x00', 0x100, 0x88c, 0x0) write$FUSE_INIT(r0, &(0x7f0000004300)={0x50, 0x0, 0x0, {0x7, 0x29, 0x0, 0x1400001, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x4}}, 0x50) read$FUSE(r0, &(0x7f0000004540)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INTERRUPT(r0, &(0x7f0000002200)={0x10, 0xffffffffffffffda, r1}, 0x10) 838.269557ms ago: executing program 1 (id=1556): openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x2400, 0x0) ioctl$VHOST_SET_OWNER(0xffffffffffffffff, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(0xffffffffffffffff, 0x4028af11, &(0x7f0000001500)={0x1, 0x0, 0x0, &(0x7f0000001600)=""/65, 0x0, 0x6000}) ioctl$VHOST_SET_MEM_TABLE(0xffffffffffffffff, 0x4008af03, &(0x7f0000003a00)={0x1, 0x0, [{0x0, 0x1000, &(0x7f0000002900)=""/4096}]}) ioctl$VHOST_SET_VRING_ADDR(0xffffffffffffffff, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000400)=""/185, &(0x7f0000000140)=""/79, 0x9000}) ioctl$VHOST_VSOCK_SET_RUNNING(0xffffffffffffffff, 0x4004af61, &(0x7f00000000c0)=0x1) ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, &(0x7f0000000040)={@my=0x1}) r0 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r0, &(0x7f0000000200)={0x28, 0x0, 0x0, @my=0x1}, 0x10) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000000)={0x11, 0x3, &(0x7f00000001c0)=ANY=[@ANYBLOB="1800000000000000172e858ca86881f095"], &(0x7f0000000240)='GPL\x00', 0x4, 0x0, 0x0, 0x0, 0x4c}, 0x94) ioctl$VHOST_SET_VRING_ADDR(0xffffffffffffffff, 0x4028af11, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)=""/57, 0x0, &(0x7f0000000500)=""/4092}) ioctl$VHOST_VSOCK_SET_RUNNING(0xffffffffffffffff, 0x4004af61, &(0x7f0000000240)=0x1) 753.196422ms ago: executing program 2 (id=1557): r0 = syz_create_resource$binfmt(&(0x7f0000000500)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x41, 0x1ff) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000280), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140), 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r1, @ANYBLOB=',rootmode=00000000000000000020000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) statx(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x2000, 0x800, 0x0) read$FUSE(r1, &(0x7f0000008340)={0x2020}, 0x2041) syz_fuse_handle_req(r1, &(0x7f0000004300)="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", 0x2000, &(0x7f0000000b40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)={0x130, 0x0, 0x7, {0xffffffffffffffff, 0x4, 0x0, '\x00', {0xfff, 0x1, 0x1, 0x801, 0xee01, 0x0, 0x2000, '\x00', 0x4c456b8d, 0x0, 0x100b4e7, 0x3, {0xc81, 0xfffffff9}, {0xc7, 0x7f49}, {0xffffffffffffffff, 0x9}, {0x200000006, 0x7}, 0xed02, 0x4, 0x0, 0x9}}}}) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f00000003c0)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) 618.847913ms ago: executing program 4 (id=1558): r0 = syz_open_procfs(0x0, &(0x7f00000003c0)='net/mcfilter6\x00') r1 = socket(0x80000000000000a, 0x2, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) setsockopt$inet6_group_source_req(r1, 0x29, 0x2e, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}, 0x20000}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) preadv(r0, &(0x7f00000001c0)=[{&(0x7f0000000580)=""/118, 0x76}], 0x1, 0x5b, 0x100) 440.409368ms ago: executing program 3 (id=1559): socket(0x10, 0x3, 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) r1 = syz_mount_image$fuse(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, &(0x7f0000002280)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0], 0x0, 0x0, 0x0) read$FUSE(r0, &(0x7f0000000100)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000002140)={0x50, 0x0, r2, {0x7, 0x27, 0x0, 0x14a4014, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}}, 0x50) read$FUSE(r0, &(0x7f000000b040)={0x2020, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_INTERRUPT(r0, &(0x7f0000002240)={0x10, 0xffffffffffffffda, r3}, 0x10) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0/file0\x00', 0x84000, 0x2) fspick(r1, &(0x7f0000002380)='./file0/file0/file0\x00', 0x0) syz_fuse_handle_req(r0, &(0x7f0000009040)="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", 0x2000, &(0x7f0000006b80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000002700)={0x90, 0x0, 0x45, {0x6, 0x0, 0x0, 0xfa0, 0xffffffff, 0x0, {0x8000, 0x0, 0x0, 0x0, 0x22, 0xf7fe, 0x3, 0x0, 0xfffffff7, 0x4000, 0x1, r4, 0x0, 0x0, 0xfffff8af}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) 187.694549ms ago: executing program 1 (id=1560): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101842, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000080)=0x20) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x8, &(0x7f0000000240)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}]}) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0/file1\x00', 0x121542, 0x60) 0s ago: executing program 4 (id=1561): r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000200)={0x0, 0x7}, 0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000000)={0x0, 0xcc}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000280), 0x0) sendmmsg$inet6(r0, &(0x7f0000000a40)=[{{&(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback, 0x280020}, 0x1c, &(0x7f00000000c0)=[{&(0x7f0000000540)='\x00', 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000000040)="c9745cd1", 0x4}, {0x0}, {0x0}], 0x3, &(0x7f00000002c0)}}], 0x2, 0x20008050) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000140)={0x0, 0x7, 0x1, [0x2]}, 0xa) kernel console output (not intermixed with test programs): (loop3): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 466.302037][ T8006] FAT-fs (loop3): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 466.363782][ T8016] netlink: 16 bytes leftover after parsing attributes in process `syz.2.628'. [ 466.401162][ T8006] FAT-fs (loop3): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 466.489892][ T8016] netlink: 16 bytes leftover after parsing attributes in process `syz.2.628'. [ 466.514324][ T8005] FAT-fs (loop3): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 467.301102][ T30] usb 2-1: string descriptor 0 read error: -71 [ 467.413600][ T30] usbhid 2-1:254.0: can't add hid device: -71 [ 467.430185][ T8017] loop2: detected capacity change from 0 to 4096 [ 467.445833][ T30] usbhid 2-1:254.0: probe with driver usbhid failed with error -71 [ 467.525471][ T30] usb 2-1: USB disconnect, device number 34 [ 467.786706][ T8022] loop0: detected capacity change from 0 to 4096 [ 468.406809][ T8024] loop1: detected capacity change from 0 to 8192 [ 468.515064][ T8024] FAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 468.751794][ T29] audit: type=1800 audit(1771129060.055:49): pid=8024 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.632" name="file2" dev="loop1" ino=1048662 res=0 errno=0 [ 468.753595][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 468.890328][ T8024] FAT-fs (loop1): Filesystem has been set read-only [ 468.897536][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 468.975002][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 469.010944][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 469.020148][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 469.134322][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 469.190063][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 469.257197][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 469.337556][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 469.433462][ T8024] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 470.861131][ T8048] loop3: detected capacity change from 0 to 32768 [ 470.925216][ T8048] BTRFS error: device /dev/loop3 has incomplete metadata_uuid change, please use btrfstune to complete [ 471.484653][ T6380] udevd[6380]: incorrect btrfs checksum on /dev/loop3 [ 472.443204][ T8058] loop0: detected capacity change from 0 to 8192 [ 472.552174][ T8058] FAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 472.647957][ T29] audit: type=1800 audit(1771129063.955:50): pid=8058 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.641" name="file2" dev="loop0" ino=1048663 res=0 errno=0 [ 472.652330][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 472.742461][ T8058] FAT-fs (loop0): Filesystem has been set read-only [ 472.778062][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 472.820740][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 472.871331][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 472.910870][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 472.971044][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.006929][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.064249][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.087485][ T8067] netlink: 16 bytes leftover after parsing attributes in process `syz.4.646'. [ 473.107698][ T8058] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.129637][ T8067] netlink: 16 bytes leftover after parsing attributes in process `syz.4.646'. [ 473.211819][ T8057] FAT-fs (loop0): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.273597][ T8062] loop1: detected capacity change from 0 to 8192 [ 473.366459][ T8062] FAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 473.476042][ T29] audit: type=1800 audit(1771129064.785:51): pid=8062 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.642" name="file2" dev="loop1" ino=1048664 res=0 errno=0 [ 473.511778][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.597555][ T8062] FAT-fs (loop1): Filesystem has been set read-only [ 473.642486][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.680942][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.716846][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.778856][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.821451][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.860895][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.896401][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 473.924979][ T8067] loop4: detected capacity change from 0 to 4096 [ 473.926749][ T8062] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 474.037541][ T8061] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 476.734398][ T8088] loop3: detected capacity change from 0 to 40427 [ 476.817581][ T8088] F2FS-fs (loop3): invalid crc value [ 477.055368][ T8088] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 477.061194][ T30] usb 1-1: new high-speed USB device number 14 using dummy_hcd [ 477.073869][ T8088] F2FS-fs (loop3): Start checkpoint disabled! [ 477.106217][ T8088] F2FS-fs (loop3): f2fs_disable_checkpoint() finish, err:0 [ 477.122256][ T8088] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6 [ 477.296469][ T30] usb 1-1: New USB device found, idVendor=0bed, idProduct=1100, bcdDevice=ec.c3 [ 477.316582][ T30] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 477.359084][ T13] kworker/u8:1: attempt to access beyond end of device [ 477.359084][ T13] loop3: rw=1, sector=77824, nr_sectors = 408 limit=40427 [ 477.367382][ T30] usb 1-1: config 0 descriptor?? [ 477.433711][ T13] kworker/u8:1: attempt to access beyond end of device [ 477.433711][ T13] loop3: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 477.453109][ T30] cp210x 1-1:0.0: cp210x converter detected [ 477.520841][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full) [ 477.520985][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 477.521088][ T13] Workqueue: writeback wb_workfn (flush-7:3) [ 477.521249][ T13] Call Trace: [ 477.521295][ T13] [ 477.521341][ T13] __dump_stack+0x26/0x30 [ 477.521486][ T13] dump_stack_lvl+0x14c/0x1c0 [ 477.521633][ T13] dump_stack+0x1e/0x25 [ 477.521765][ T13] f2fs_handle_critical_error+0xa6f/0xc20 [ 477.521982][ T13] f2fs_stop_checkpoint+0x65/0x80 [ 477.522123][ T13] f2fs_write_end_io+0x12e6/0x2560 [ 477.522321][ T13] ? __pfx_f2fs_write_end_io+0x10/0x10 [ 477.522468][ T13] bio_endio+0x1006/0x1160 [ 477.522625][ T13] submit_bio_noacct+0x533/0x2960 [ 477.522829][ T13] submit_bio+0x57a/0x620 [ 477.522987][ T13] f2fs_submit_write_bio+0x115/0x350 [ 477.523185][ T13] __submit_merged_bio+0x16f/0x780 [ 477.523365][ T13] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 477.523545][ T13] __submit_merged_write_cond+0x4ba/0xae0 [ 477.523751][ T13] f2fs_write_data_pages+0x5073/0x5e10 [ 477.524036][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 477.524192][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 477.524353][ T13] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 477.524534][ T13] ? __update_load_avg_cfs_rq+0xe9/0x1060 [ 477.524697][ T13] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 477.524884][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 477.525055][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 477.525219][ T13] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 477.525395][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 477.525556][ T13] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 477.525725][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 477.525860][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 477.525992][ T13] do_writepages+0x3f2/0x860 [ 477.526158][ T13] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 477.526336][ T13] ? writeback_sb_inodes+0x1/0x1f40 [ 477.526501][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 477.526686][ T13] __writeback_single_inode+0xfc/0x1440 [ 477.526841][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 477.527024][ T13] writeback_sb_inodes+0xb52/0x1f40 [ 477.527311][ T13] wb_writeback+0x4f1/0xcd0 [ 477.527486][ T13] ? queue_io+0x411/0x800 [ 477.527634][ T13] wb_workfn+0x3b9/0x19b0 [ 477.527761][ T13] ? kmsan_get_metadata+0xf1/0x160 [ 477.527945][ T13] ? __pfx_wb_workfn+0x10/0x10 [ 477.528075][ T13] process_scheduled_works+0xb21/0x1e30 [ 477.528290][ T13] worker_thread+0xede/0x1580 [ 477.528471][ T13] kthread+0x53f/0x600 [ 477.528633][ T13] ? __pfx_worker_thread+0x10/0x10 [ 477.528783][ T13] ? __pfx_kthread+0x10/0x10 [ 477.528935][ T13] ret_from_fork+0x20f/0x910 [ 477.529085][ T13] ? __switch_to+0x51c/0x750 [ 477.529253][ T13] ? __pfx_kthread+0x10/0x10 [ 477.529416][ T13] ret_from_fork_asm+0x1a/0x30 [ 477.529612][ T13] [ 477.924142][ T30] cp210x 1-1:0.0: failed to get vendor val 0x370c size 13: -121 [ 477.940786][ T8094] loop2: detected capacity change from 0 to 8192 [ 478.020674][ T30] cp210x 1-1:0.0: GPIO initialisation failed: -121 [ 478.032559][ T8094] FAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 478.063346][ T30] usb 1-1: cp210x converter now attached to ttyUSB0 [ 478.091703][ T13] F2FS-fs (loop3): Stopped filesystem due to reason: 3 [ 478.212201][ T5833] usb 1-1: USB disconnect, device number 14 [ 478.242460][ T5833] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 [ 478.278516][ T29] audit: type=1800 audit(1771129069.585:52): pid=8094 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.655" name="file2" dev="loop2" ino=1048665 res=0 errno=0 [ 478.309513][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.324073][ T5833] cp210x 1-1:0.0: device disconnected [ 478.357175][ T8094] FAT-fs (loop2): Filesystem has been set read-only [ 478.375019][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.401242][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.445440][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.496769][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.537325][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.571085][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.610643][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.656251][ T8094] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.726401][ T8092] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 478.934589][ T8102] loop1: detected capacity change from 0 to 1024 [ 479.808509][ T8107] loop0: detected capacity change from 0 to 4096 [ 480.133699][ T8109] loop4: detected capacity change from 0 to 8192 [ 480.277583][ T8109] FAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 480.409784][ T29] audit: type=1800 audit(1771129071.715:53): pid=8109 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.660" name="file2" dev="loop4" ino=1048666 res=0 errno=0 [ 480.469675][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 480.562503][ T8109] FAT-fs (loop4): Filesystem has been set read-only [ 480.569541][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 480.597309][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 480.719426][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 480.807209][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 480.870652][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 480.912484][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 480.957531][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 481.010891][ T8109] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 481.023421][ T8108] FAT-fs (loop4): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 481.139830][ T8118] netlink: 16 bytes leftover after parsing attributes in process `syz.0.664'. [ 481.193105][ T8118] netlink: 16 bytes leftover after parsing attributes in process `syz.0.664'. [ 481.518793][ T8114] loop1: detected capacity change from 0 to 8192 [ 481.561661][ T8114] FAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 481.752753][ T29] audit: type=1800 audit(1771129073.065:54): pid=8114 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.662" name="file2" dev="loop1" ino=1048667 res=0 errno=0 [ 481.817723][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 481.837942][ T8118] loop0: detected capacity change from 0 to 4096 [ 481.863829][ T8114] FAT-fs (loop1): Filesystem has been set read-only [ 481.910769][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 481.919779][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 481.980840][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 482.031164][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 482.092637][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 482.133039][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 482.165492][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 482.186698][ T8114] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 482.212323][ T8113] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 482.300666][ T30] usb 3-1: new high-speed USB device number 22 using dummy_hcd [ 482.543307][ T30] usb 3-1: New USB device found, idVendor=0bed, idProduct=1100, bcdDevice=ec.c3 [ 482.727842][ T30] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 482.862718][ T30] usb 3-1: config 0 descriptor?? [ 482.985519][ T30] cp210x 3-1:0.0: cp210x converter detected [ 483.183222][ T8130] loop4: detected capacity change from 0 to 40427 [ 483.208605][ T8130] F2FS-fs (loop4): invalid crc value [ 483.498600][ T8130] F2FS-fs (loop4): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 483.508862][ T8130] F2FS-fs (loop4): Start checkpoint disabled! [ 483.519153][ T8130] F2FS-fs (loop4): f2fs_disable_checkpoint() finish, err:0 [ 483.528600][ T8130] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6 [ 483.563896][ T30] usb 3-1: cp210x converter now attached to ttyUSB0 [ 483.726438][ T30] usb 3-1: USB disconnect, device number 22 [ 483.793888][ T6082] kworker/u8:12: attempt to access beyond end of device [ 483.793888][ T6082] loop4: rw=1, sector=77824, nr_sectors = 408 limit=40427 [ 483.862384][ T30] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 [ 483.893816][ T140] kworker/u8:6: attempt to access beyond end of device [ 483.893816][ T140] loop4: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 483.951131][ T140] CPU: 0 UID: 0 PID: 140 Comm: kworker/u8:6 Not tainted syzkaller #0 PREEMPT(full) [ 483.951278][ T140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 483.951382][ T140] Workqueue: writeback wb_workfn (flush-7:4) [ 483.951544][ T140] Call Trace: [ 483.951591][ T140] [ 483.951636][ T140] __dump_stack+0x26/0x30 [ 483.951784][ T140] dump_stack_lvl+0x14c/0x1c0 [ 483.951936][ T140] dump_stack+0x1e/0x25 [ 483.952072][ T140] f2fs_handle_critical_error+0xa6f/0xc20 [ 483.952298][ T140] f2fs_stop_checkpoint+0x65/0x80 [ 483.952436][ T140] f2fs_write_end_io+0x12e6/0x2560 [ 483.952635][ T140] ? __pfx_f2fs_write_end_io+0x10/0x10 [ 483.952774][ T140] bio_endio+0x1006/0x1160 [ 483.952928][ T140] submit_bio_noacct+0x533/0x2960 [ 483.953130][ T140] submit_bio+0x57a/0x620 [ 483.953289][ T140] f2fs_submit_write_bio+0x115/0x350 [ 483.953473][ T140] __submit_merged_bio+0x16f/0x780 [ 483.953650][ T140] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 483.953830][ T140] __submit_merged_write_cond+0x4ba/0xae0 [ 483.954039][ T140] f2fs_write_data_pages+0x5073/0x5e10 [ 483.954318][ T140] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 483.954498][ T140] ? __pick_eevdf+0x894/0x1800 [ 483.954676][ T140] ? kmsan_get_metadata+0xf1/0x160 [ 483.954836][ T140] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 483.955015][ T140] ? update_protect_slice+0x23f/0x330 [ 483.955147][ T140] ? kmsan_get_metadata+0xf1/0x160 [ 483.955314][ T140] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 483.955488][ T140] ? kmsan_get_metadata+0xf1/0x160 [ 483.955648][ T140] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 483.955816][ T140] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 483.955955][ T140] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 483.956092][ T140] do_writepages+0x3f2/0x860 [ 483.956267][ T140] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 483.956442][ T140] ? writeback_sb_inodes+0x1/0x1f40 [ 483.956587][ T140] ? kmsan_get_metadata+0xf1/0x160 [ 483.956771][ T140] __writeback_single_inode+0xfc/0x1440 [ 483.956928][ T140] ? kmsan_get_metadata+0xf1/0x160 [ 483.957125][ T140] writeback_sb_inodes+0xb52/0x1f40 [ 483.957424][ T140] wb_writeback+0x4f1/0xcd0 [ 483.957596][ T140] ? queue_io+0x411/0x800 [ 483.957747][ T140] wb_workfn+0x3b9/0x19b0 [ 483.957876][ T140] ? kmsan_get_metadata+0xf1/0x160 [ 483.958066][ T140] ? __pfx_wb_workfn+0x10/0x10 [ 483.958192][ T140] process_scheduled_works+0xb21/0x1e30 [ 483.958409][ T140] worker_thread+0xede/0x1580 [ 483.958583][ T140] kthread+0x53f/0x600 [ 483.958743][ T140] ? __pfx_worker_thread+0x10/0x10 [ 483.958900][ T140] ? __pfx_kthread+0x10/0x10 [ 483.959046][ T140] ret_from_fork+0x20f/0x910 [ 483.959175][ T140] ? __switch_to+0x51c/0x750 [ 483.959337][ T140] ? __pfx_kthread+0x10/0x10 [ 483.959490][ T140] ret_from_fork_asm+0x1a/0x30 [ 483.959678][ T140] [ 484.027236][ T140] F2FS-fs (loop4): Stopped filesystem due to reason: 3 [ 484.261347][ T30] cp210x 3-1:0.0: device disconnected [ 484.611051][ T5833] usb 4-1: new high-speed USB device number 16 using dummy_hcd [ 484.800135][ T5833] usb 4-1: Using ep0 maxpacket: 8 [ 484.835407][ T5833] usb 4-1: config index 0 descriptor too short (expected 301, got 45) [ 484.860611][ T5833] usb 4-1: config 16 interface 0 altsetting 0 endpoint 0x5 has invalid wMaxPacketSize 0 [ 484.910658][ T5833] usb 4-1: config 16 interface 0 altsetting 0 bulk endpoint 0x5 has invalid maxpacket 0 [ 484.948130][ T8147] netlink: 28 bytes leftover after parsing attributes in process `syz.2.674'. [ 484.957876][ T5833] usb 4-1: config 16 interface 0 altsetting 0 bulk endpoint 0x8B has invalid maxpacket 32 [ 484.987750][ T5833] usb 4-1: config 16 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 485.041013][ T5833] usb 4-1: New USB device found, idVendor=ee8d, idProduct=db1e, bcdDevice=61.23 [ 485.050285][ T5833] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 485.346147][ T5833] usb 4-1: usb_control_msg returned -32 [ 485.375448][ T5833] usbtmc 4-1:16.0: can't read capabilities [ 485.595502][ T8156] overlay: Unknown parameter 'uid' [ 486.133414][ T8160] usbtmc 4-1:16.0: usb_control_msg returned -32 [ 486.281623][ T5833] usb 4-1: USB disconnect, device number 16 [ 486.474088][ T8162] loop1: detected capacity change from 0 to 1024 [ 486.550924][ T30] usb 1-1: new full-speed USB device number 15 using dummy_hcd [ 486.741318][ T30] usb 1-1: config 0 has an invalid interface number: 52 but max is 0 [ 486.770704][ T30] usb 1-1: config 0 has an invalid descriptor of length 48, skipping remainder of the config [ 486.810749][ T30] usb 1-1: config 0 has no interface number 0 [ 486.817075][ T30] usb 1-1: config 0 interface 52 altsetting 1 endpoint 0x8A has invalid maxpacket 12336, setting to 64 [ 486.870724][ T30] usb 1-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 486.940705][ T30] usb 1-1: config 0 interface 52 has no altsetting 0 [ 486.969248][ T30] usb 1-1: New USB device found, idVendor=06cb, idProduct=0003, bcdDevice=e8.00 [ 487.020724][ T30] usb 1-1: New USB device strings: Mfr=22, Product=0, SerialNumber=0 [ 487.029243][ T30] usb 1-1: Manufacturer: syz [ 487.065340][ T30] usb 1-1: config 0 descriptor?? [ 487.094693][ T30] hub 1-1:0.52: bad descriptor, ignoring hub [ 487.111101][ T30] hub 1-1:0.52: probe with driver hub failed with error -5 [ 487.356144][ T30] input: syz as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.52/input/input13 [ 487.596499][ T8165] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 487.659018][ T8165] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 487.939737][ T5833] usb 1-1: USB disconnect, device number 15 [ 488.672300][ T8170] loop3: detected capacity change from 0 to 40427 [ 488.735382][ T8170] F2FS-fs (loop3): invalid crc value [ 489.017913][ T8170] F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 489.028560][ T8170] F2FS-fs (loop3): Start checkpoint disabled! [ 489.038232][ T8170] F2FS-fs (loop3): f2fs_disable_checkpoint() finish, err:0 [ 489.052700][ T8170] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e6 [ 489.165135][ T8181] netlink: 16 bytes leftover after parsing attributes in process `syz.0.684'. [ 489.202111][ T8181] netlink: 16 bytes leftover after parsing attributes in process `syz.0.684'. [ 489.283745][ T6082] kworker/u8:12: attempt to access beyond end of device [ 489.283745][ T6082] loop3: rw=1, sector=77824, nr_sectors = 408 limit=40427 [ 489.353467][ T6082] kworker/u8:12: attempt to access beyond end of device [ 489.353467][ T6082] loop3: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 489.417098][ T6082] CPU: 0 UID: 0 PID: 6082 Comm: kworker/u8:12 Not tainted syzkaller #0 PREEMPT(full) [ 489.417245][ T6082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 489.417353][ T6082] Workqueue: writeback wb_workfn (flush-7:3) [ 489.417516][ T6082] Call Trace: [ 489.417564][ T6082] [ 489.417610][ T6082] __dump_stack+0x26/0x30 [ 489.417754][ T6082] dump_stack_lvl+0x14c/0x1c0 [ 489.417913][ T6082] dump_stack+0x1e/0x25 [ 489.418050][ T6082] f2fs_handle_critical_error+0xa6f/0xc20 [ 489.418267][ T6082] f2fs_stop_checkpoint+0x65/0x80 [ 489.418404][ T6082] f2fs_write_end_io+0x12e6/0x2560 [ 489.418599][ T6082] ? __pfx_f2fs_write_end_io+0x10/0x10 [ 489.418737][ T6082] bio_endio+0x1006/0x1160 [ 489.418892][ T6082] submit_bio_noacct+0x533/0x2960 [ 489.419102][ T6082] submit_bio+0x57a/0x620 [ 489.419254][ T6082] f2fs_submit_write_bio+0x115/0x350 [ 489.419451][ T6082] __submit_merged_bio+0x16f/0x780 [ 489.419636][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 489.419818][ T6082] __submit_merged_write_cond+0x4ba/0xae0 [ 489.420035][ T6082] f2fs_write_data_pages+0x5073/0x5e10 [ 489.420338][ T6082] ? f2fs_balance_fs_bg+0x11ee/0x1250 [ 489.420512][ T6082] ? stack_depot_save_flags+0x35/0x790 [ 489.420660][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 489.420827][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 489.420998][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 489.421182][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 489.421349][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 489.421517][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 489.421678][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 489.421847][ T6082] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 489.421996][ T6082] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 489.422141][ T6082] do_writepages+0x3f2/0x860 [ 489.422325][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 489.422505][ T6082] ? writeback_sb_inodes+0x1/0x1f40 [ 489.422659][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 489.422851][ T6082] __writeback_single_inode+0xfc/0x1440 [ 489.423026][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 489.423198][ T6082] writeback_sb_inodes+0xb52/0x1f40 [ 489.423489][ T6082] wb_writeback+0x4f1/0xcd0 [ 489.423663][ T6082] ? queue_io+0x411/0x800 [ 489.423817][ T6082] wb_workfn+0x3b9/0x19b0 [ 489.423955][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 489.424142][ T6082] ? __pfx_wb_workfn+0x10/0x10 [ 489.424277][ T6082] process_scheduled_works+0xb21/0x1e30 [ 489.424498][ T6082] worker_thread+0xede/0x1580 [ 489.424681][ T6082] kthread+0x53f/0x600 [ 489.424845][ T6082] ? __pfx_worker_thread+0x10/0x10 [ 489.425007][ T6082] ? __pfx_kthread+0x10/0x10 [ 489.425162][ T6082] ret_from_fork+0x20f/0x910 [ 489.425307][ T6082] ? __switch_to+0x51c/0x750 [ 489.425472][ T6082] ? __pfx_kthread+0x10/0x10 [ 489.425625][ T6082] ret_from_fork_asm+0x1a/0x30 [ 489.425818][ T6082] [ 489.958842][ T8181] loop0: detected capacity change from 0 to 4096 [ 489.991981][ T6082] F2FS-fs (loop3): Stopped filesystem due to reason: 3 [ 492.610630][ T5833] usb 2-1: new high-speed USB device number 35 using dummy_hcd [ 492.823494][ T5833] usb 2-1: Using ep0 maxpacket: 32 [ 493.024558][ T5833] usb 2-1: config 0 interface 0 altsetting 0 bulk endpoint 0x85 has invalid maxpacket 1024 [ 493.116478][ T5829] usb 5-1: new high-speed USB device number 25 using dummy_hcd [ 493.616378][ T5833] usb 2-1: New USB device found, idVendor=12d8, idProduct=0001, bcdDevice=de.79 [ 493.741468][ T5833] usb 2-1: New USB device strings: Mfr=1, Product=236, SerialNumber=2 [ 493.749934][ T5833] usb 2-1: Product: syz [ 493.770775][ T5833] usb 2-1: Manufacturer: syz [ 493.775585][ T5833] usb 2-1: SerialNumber: syz [ 493.820043][ T5829] usb 5-1: New USB device found, idVendor=0bed, idProduct=1100, bcdDevice=ec.c3 [ 493.850729][ T5829] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 493.884165][ T5833] usb 2-1: config 0 descriptor?? [ 493.891902][ T8197] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 493.924110][ T5833] hub 2-1:0.0: bad descriptor, ignoring hub [ 493.931692][ T5829] usb 5-1: config 0 descriptor?? [ 493.958785][ T5829] cp210x 5-1:0.0: cp210x converter detected [ 493.965120][ T5833] hub 2-1:0.0: probe with driver hub failed with error -5 [ 494.314949][ T5833] usb 2-1: USB disconnect, device number 35 [ 494.399676][ T5829] usb 5-1: cp210x converter now attached to ttyUSB0 [ 494.608024][ T5833] usb 5-1: USB disconnect, device number 25 [ 494.687980][ T5829] usb 2-1: new full-speed USB device number 36 using dummy_hcd [ 494.696498][ T5833] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 [ 494.761427][ T5833] cp210x 5-1:0.0: device disconnected [ 494.915266][ T5829] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x85 has invalid maxpacket 1024, setting to 64 [ 494.945738][ T5829] usb 2-1: New USB device found, idVendor=12d8, idProduct=0001, bcdDevice=de.79 [ 494.970641][ T5829] usb 2-1: New USB device strings: Mfr=1, Product=236, SerialNumber=2 [ 494.979041][ T5829] usb 2-1: Product: syz [ 495.002489][ T5829] usb 2-1: Manufacturer: syz [ 495.007292][ T5829] usb 2-1: SerialNumber: syz [ 495.060682][ T5402] usb 3-1: new high-speed USB device number 23 using dummy_hcd [ 495.090287][ T5829] usb 2-1: config 0 descriptor?? [ 495.109543][ T8197] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 495.144731][ T5829] hub 2-1:0.0: bad descriptor, ignoring hub [ 495.162596][ T5829] hub 2-1:0.0: probe with driver hub failed with error -5 [ 495.259663][ T5402] usb 3-1: New USB device found, idVendor=0bed, idProduct=1100, bcdDevice=ec.c3 [ 495.282057][ T5402] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 495.297549][ T5402] usb 3-1: config 0 descriptor?? [ 495.361063][ T5402] cp210x 3-1:0.0: cp210x converter detected [ 495.764415][ T5402] cp210x 3-1:0.0: failed to get vendor val 0x370c size 13: -121 [ 495.824881][ T5402] cp210x 3-1:0.0: GPIO initialisation failed: -121 [ 495.871937][ T8216] loop1: detected capacity change from 0 to 2048 [ 495.945559][ T5402] usb 3-1: cp210x converter now attached to ttyUSB0 [ 495.994195][ T8221] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 496.042120][ T5402] usb 3-1: USB disconnect, device number 23 [ 496.074834][ T5402] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 [ 496.128289][ T5402] cp210x 3-1:0.0: device disconnected [ 496.310976][ T8218] loop0: detected capacity change from 0 to 32768 [ 496.322511][ T8218] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.698 (8218) [ 496.351517][ T8218] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 496.362884][ T8218] BTRFS info (device loop0): using sha256 checksum algorithm [ 496.487567][ T8218] BTRFS info (device loop0): rebuilding free space tree [ 496.515743][ T8218] BTRFS info (device loop0): disabling free space tree [ 496.520024][ T5402] usb 2-1: USB disconnect, device number 36 [ 496.523037][ T8218] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 496.523160][ T8218] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 496.545259][ T8218] BTRFS info (device loop0): setting nodatasum [ 496.557568][ T8218] BTRFS info (device loop0): setting nodatacow [ 496.564748][ T8218] BTRFS info (device loop0): turning off barriers [ 496.571693][ T8218] BTRFS info (device loop0): force clearing of disk cache [ 497.124381][ T8237] loop2: detected capacity change from 0 to 64 [ 497.279749][ T5786] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 497.323430][ T29] audit: type=1800 audit(1771129088.635:55): pid=8237 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.700" name="file1" dev="loop2" ino=22 res=0 errno=0 [ 498.008463][ T8237] syz.2.700: attempt to access beyond end of device [ 498.008463][ T8237] loop2: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 498.024008][ T8237] syz.2.700: attempt to access beyond end of device [ 498.024008][ T8237] loop2: rw=34817, sector=72, nr_sectors = 2 limit=64 [ 498.098927][ T8237] syz.2.700: attempt to access beyond end of device [ 498.098927][ T8237] loop2: rw=34817, sector=76, nr_sectors = 68 limit=64 [ 498.119227][ T8237] syz.2.700: attempt to access beyond end of device [ 498.119227][ T8237] loop2: rw=8423425, sector=4172, nr_sectors = 22 limit=64 [ 498.752540][ T8240] loop4: detected capacity change from 0 to 1024 [ 499.794069][ T8257] netlink: 16 bytes leftover after parsing attributes in process `syz.1.706'. [ 499.819998][ T8257] netlink: 16 bytes leftover after parsing attributes in process `syz.1.706'. [ 500.306954][ T8263] netlink: 'syz.0.708': attribute type 21 has an invalid length. [ 500.349667][ T8263] netlink: 128 bytes leftover after parsing attributes in process `syz.0.708'. [ 500.396028][ T8263] netlink: 'syz.0.708': attribute type 4 has an invalid length. [ 500.425918][ T8263] netlink: 'syz.0.708': attribute type 3 has an invalid length. [ 500.451655][ T8257] loop1: detected capacity change from 0 to 4096 [ 500.469715][ T8263] netlink: 3 bytes leftover after parsing attributes in process `syz.0.708'. [ 500.949863][ T8261] loop4: detected capacity change from 0 to 4096 [ 501.694782][ T8253] loop2: detected capacity change from 0 to 32768 [ 501.931678][ T8270] loop0: detected capacity change from 0 to 32768 [ 501.979174][ T8253] BTRFS error: device /dev/loop2 has incomplete metadata_uuid change, please use btrfstune to complete [ 502.013966][ T8270] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.711 (8270) [ 502.043944][ T8270] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 502.054665][ T8270] BTRFS info (device loop0): using sha256 checksum algorithm [ 502.214926][ T5833] usb 4-1: new full-speed USB device number 17 using dummy_hcd [ 502.384660][ T8270] BTRFS info (device loop0): rebuilding free space tree [ 502.435805][ T8270] BTRFS info (device loop0): disabling free space tree [ 502.443284][ T8270] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 502.453491][ T8270] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 502.487565][ T8270] BTRFS info (device loop0): setting nodatasum [ 502.494234][ T8270] BTRFS info (device loop0): setting nodatacow [ 502.501307][ T8270] BTRFS info (device loop0): turning off barriers [ 502.508156][ T8270] BTRFS info (device loop0): force clearing of disk cache [ 502.527407][ T5833] usb 4-1: config 0 has an invalid interface number: 52 but max is 0 [ 502.576171][ T6040] udevd[6040]: incorrect btrfs checksum on /dev/loop2 [ 502.584654][ T5833] usb 4-1: config 0 has an invalid descriptor of length 48, skipping remainder of the config [ 502.634562][ T5833] usb 4-1: config 0 has no interface number 0 [ 502.684435][ T5833] usb 4-1: config 0 interface 52 altsetting 1 endpoint 0x8A has invalid maxpacket 12336, setting to 64 [ 502.767759][ T5833] usb 4-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 502.825522][ T5833] usb 4-1: config 0 interface 52 has no altsetting 0 [ 502.857427][ T5833] usb 4-1: New USB device found, idVendor=06cb, idProduct=0003, bcdDevice=e8.00 [ 502.910224][ T5833] usb 4-1: New USB device strings: Mfr=22, Product=0, SerialNumber=0 [ 502.949953][ T5833] usb 4-1: Manufacturer: syz [ 502.995213][ T5833] usb 4-1: config 0 descriptor?? [ 503.029182][ T5833] hub 4-1:0.52: bad descriptor, ignoring hub [ 503.084237][ T5833] hub 4-1:0.52: probe with driver hub failed with error -5 [ 503.351218][ T30] usb 3-1: new high-speed USB device number 24 using dummy_hcd [ 503.379452][ T5833] input: syz as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.52/input/input14 [ 503.491482][ T5402] usb 2-1: new full-speed USB device number 37 using dummy_hcd [ 503.507984][ T8271] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 503.552335][ T5786] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 503.598719][ T30] usb 3-1: config 254 interface 0 altsetting 9 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 503.645492][ T8271] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 503.680707][ T30] usb 3-1: config 254 interface 0 altsetting 9 endpoint 0x81 has invalid wMaxPacketSize 0 [ 503.748121][ T30] usb 3-1: config 254 interface 0 has no altsetting 0 [ 503.772132][ T5402] usb 2-1: config 0 has an invalid interface number: 52 but max is 0 [ 503.798370][ T30] usb 3-1: New USB device found, idVendor=054c, idProduct=03d5, bcdDevice= 0.00 [ 503.830304][ T5402] usb 2-1: config 0 has an invalid descriptor of length 48, skipping remainder of the config [ 503.856923][ T30] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 503.887594][ T5833] usb 4-1: USB disconnect, device number 17 [ 503.896006][ T5402] usb 2-1: config 0 has no interface number 0 [ 503.919975][ T5402] usb 2-1: config 0 interface 52 altsetting 1 endpoint 0x8A has invalid maxpacket 12336, setting to 64 [ 503.962723][ T5402] usb 2-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 504.006679][ T5402] usb 2-1: config 0 interface 52 has no altsetting 0 [ 504.074148][ T5402] usb 2-1: New USB device found, idVendor=06cb, idProduct=0003, bcdDevice=e8.00 [ 504.111641][ T5402] usb 2-1: New USB device strings: Mfr=22, Product=0, SerialNumber=0 [ 504.192507][ T5402] usb 2-1: Manufacturer: syz [ 504.251654][ T5402] usb 2-1: config 0 descriptor?? [ 504.315140][ T5402] hub 2-1:0.52: bad descriptor, ignoring hub [ 504.322266][ T8292] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 504.377463][ T5402] hub 2-1:0.52: probe with driver hub failed with error -5 [ 504.411068][ T8292] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 504.536463][ T8292] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 504.617473][ T8292] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 504.623382][ T5402] input: syz as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.52/input/input15 [ 504.863866][ T8295] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 505.001363][ T8295] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 505.232493][ T5402] usb 2-1: USB disconnect, device number 37 [ 506.230224][ T30] usb 3-1: string descriptor 0 read error: -71 [ 506.371086][ T30] usbhid 3-1:254.0: can't add hid device: -71 [ 506.377793][ T30] usbhid 3-1:254.0: probe with driver usbhid failed with error -71 [ 506.479859][ T30] usb 3-1: USB disconnect, device number 24 [ 506.489881][ T8317] netlink: 'syz.1.721': attribute type 21 has an invalid length. [ 506.546066][ T8317] netlink: 128 bytes leftover after parsing attributes in process `syz.1.721'. [ 506.611092][ T8317] netlink: 'syz.1.721': attribute type 4 has an invalid length. [ 506.655690][ T8317] netlink: 'syz.1.721': attribute type 3 has an invalid length. [ 506.691349][ T8317] netlink: 3 bytes leftover after parsing attributes in process `syz.1.721'. [ 506.951603][ T30] usb 3-1: new full-speed USB device number 25 using dummy_hcd [ 507.151822][ T30] usb 3-1: config 0 has an invalid interface number: 52 but max is 0 [ 507.187113][ T30] usb 3-1: config 0 has an invalid descriptor of length 48, skipping remainder of the config [ 507.238277][ T30] usb 3-1: config 0 has no interface number 0 [ 507.266036][ T30] usb 3-1: config 0 interface 52 altsetting 1 endpoint 0x8A has invalid maxpacket 12336, setting to 64 [ 507.300681][ T30] usb 3-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 507.360884][ T30] usb 3-1: config 0 interface 52 has no altsetting 0 [ 507.402868][ T30] usb 3-1: New USB device found, idVendor=06cb, idProduct=0003, bcdDevice=e8.00 [ 507.463624][ T30] usb 3-1: New USB device strings: Mfr=22, Product=0, SerialNumber=0 [ 507.536187][ T30] usb 3-1: Manufacturer: syz [ 507.635753][ T30] usb 3-1: config 0 descriptor?? [ 507.668806][ T30] hub 3-1:0.52: bad descriptor, ignoring hub [ 507.730045][ T30] hub 3-1:0.52: probe with driver hub failed with error -5 [ 507.958547][ T30] input: syz as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.52/input/input16 [ 508.096737][ T8325] loop1: detected capacity change from 0 to 40427 [ 508.147450][ T8325] F2FS-fs (loop1): invalid crc value [ 508.284081][ T8320] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 508.446454][ T8325] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 508.461438][ T8325] F2FS-fs (loop1): Start checkpoint disabled! [ 508.482829][ T8320] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 508.510608][ T8325] F2FS-fs (loop1): f2fs_disable_checkpoint() finish, err:0 [ 508.560841][ T8325] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6 [ 508.612382][ T30] usb 3-1: USB disconnect, device number 25 [ 509.047255][ T8335] loop4: detected capacity change from 0 to 64 [ 509.341861][ T29] audit: type=1800 audit(1771129100.655:56): pid=8335 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.728" name="file1" dev="loop4" ino=22 res=0 errno=0 [ 509.735794][ T8338] overlay: Unknown parameter 'uid' [ 512.027321][ T1296] ieee802154 phy0 wpan0: encryption failed: -22 [ 512.034426][ T1296] ieee802154 phy1 wpan1: encryption failed: -22 [ 512.553292][ T5918] kworker/u8:9: attempt to access beyond end of device [ 512.553292][ T5918] loop1: rw=1, sector=77824, nr_sectors = 408 limit=40427 [ 512.762182][ T8337] syz.4.728: attempt to access beyond end of device [ 512.762182][ T8337] loop4: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 512.777264][ T8337] syz.4.728: attempt to access beyond end of device [ 512.777264][ T8337] loop4: rw=34817, sector=72, nr_sectors = 2 limit=64 [ 512.849722][ T8337] syz.4.728: attempt to access beyond end of device [ 512.849722][ T8337] loop4: rw=34817, sector=76, nr_sectors = 68 limit=64 [ 512.875895][ T8337] syz.4.728: attempt to access beyond end of device [ 512.875895][ T8337] loop4: rw=8423425, sector=4172, nr_sectors = 22 limit=64 [ 513.090782][ T5771] INFO: The task syz-executor:5771 has been waiting for writeback completion for more than 2 seconds. [ 513.101336][ T6082] kworker/u8:12: attempt to access beyond end of device [ 513.101336][ T6082] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 513.127002][ T6082] CPU: 0 UID: 0 PID: 6082 Comm: kworker/u8:12 Not tainted syzkaller #0 PREEMPT(full) [ 513.127140][ T6082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 513.127248][ T6082] Workqueue: writeback wb_workfn (flush-7:1) [ 513.127416][ T6082] Call Trace: [ 513.127466][ T6082] [ 513.127512][ T6082] __dump_stack+0x26/0x30 [ 513.127660][ T6082] dump_stack_lvl+0x14c/0x1c0 [ 513.127818][ T6082] dump_stack+0x1e/0x25 [ 513.127950][ T6082] f2fs_handle_critical_error+0xa6f/0xc20 [ 513.128169][ T6082] f2fs_stop_checkpoint+0x65/0x80 [ 513.128306][ T6082] f2fs_write_end_io+0x12e6/0x2560 [ 513.128510][ T6082] ? __pfx_f2fs_write_end_io+0x10/0x10 [ 513.128641][ T6082] bio_endio+0x1006/0x1160 [ 513.128802][ T6082] submit_bio_noacct+0x533/0x2960 [ 513.129007][ T6082] submit_bio+0x57a/0x620 [ 513.129160][ T6082] f2fs_submit_write_bio+0x115/0x350 [ 513.129354][ T6082] __submit_merged_bio+0x16f/0x780 [ 513.129542][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 513.129714][ T6082] __submit_merged_write_cond+0x4ba/0xae0 [ 513.129911][ T6082] f2fs_write_data_pages+0x5073/0x5e10 [ 513.130154][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.130353][ T6082] ? update_load_avg+0x14eb/0x25d0 [ 513.130520][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.130672][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 513.130825][ T6082] ? kmsan_get_metadata+0x10/0x160 [ 513.130982][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.131139][ T6082] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 513.131318][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.131478][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.131648][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 513.131810][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.131972][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 513.132174][ T6082] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 513.132309][ T6082] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 513.132445][ T6082] do_writepages+0x3f2/0x860 [ 513.132612][ T6082] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 513.132784][ T6082] ? writeback_sb_inodes+0x1/0x1f40 [ 513.132931][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.133114][ T6082] __writeback_single_inode+0xfc/0x1440 [ 513.133283][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.133460][ T6082] writeback_sb_inodes+0xb52/0x1f40 [ 513.133748][ T6082] wb_writeback+0x4f1/0xcd0 [ 513.133919][ T6082] ? queue_io+0x411/0x800 [ 513.134068][ T6082] wb_workfn+0x3b9/0x19b0 [ 513.134201][ T6082] ? kmsan_get_metadata+0xf1/0x160 [ 513.134387][ T6082] ? __pfx_wb_workfn+0x10/0x10 [ 513.134511][ T6082] process_scheduled_works+0xb21/0x1e30 [ 513.134718][ T6082] worker_thread+0xede/0x1580 [ 513.134898][ T6082] kthread+0x53f/0x600 [ 513.135070][ T6082] ? __pfx_worker_thread+0x10/0x10 [ 513.135230][ T6082] ? __pfx_kthread+0x10/0x10 [ 513.135378][ T6082] ret_from_fork+0x20f/0x910 [ 513.135518][ T6082] ? __switch_to+0x51c/0x750 [ 513.135678][ T6082] ? __pfx_kthread+0x10/0x10 [ 513.135834][ T6082] ret_from_fork_asm+0x1a/0x30 [ 513.136020][ T6082] [ 513.574995][ T6082] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 514.211956][ T30] usb 4-1: new high-speed USB device number 18 using dummy_hcd [ 514.392928][ T30] usb 4-1: Using ep0 maxpacket: 16 [ 514.401028][ T24] usb 5-1: new high-speed USB device number 26 using dummy_hcd [ 514.413270][ T30] usb 4-1: config 8 has an invalid interface number: 189 but max is 0 [ 514.427698][ T30] usb 4-1: config 8 has no interface number 0 [ 514.449855][ T30] usb 4-1: New USB device found, idVendor=0ace, idProduct=20ff, bcdDevice= 1.01 [ 514.463734][ T30] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 514.489498][ T30] usb 4-1: Product: syz [ 514.498393][ T30] usb 4-1: Manufacturer: syz [ 514.521298][ T30] usb 4-1: SerialNumber: syz [ 514.583758][ T24] usb 5-1: config 254 interface 0 altsetting 9 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 514.631073][ T24] usb 5-1: config 254 interface 0 altsetting 9 endpoint 0x81 has invalid wMaxPacketSize 0 [ 514.668050][ T8350] loop2: detected capacity change from 0 to 4096 [ 514.710905][ T24] usb 5-1: config 254 interface 0 has no altsetting 0 [ 514.718140][ T24] usb 5-1: New USB device found, idVendor=054c, idProduct=03d5, bcdDevice= 0.00 [ 514.799075][ T24] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 514.843020][ T30] usb-storage 4-1:8.189: USB Mass Storage device detected [ 514.958768][ T30] usb-storage 4-1:8.189: device ignored [ 515.106602][ T8349] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 515.133832][ T30] usb 4-1: USB disconnect, device number 18 [ 515.163349][ T8349] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 515.223823][ T8349] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 515.252123][ T8349] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 515.318297][ T24] usb 5-1: string descriptor 0 read error: -71 [ 515.402309][ T24] usbhid 5-1:254.0: can't add hid device: -71 [ 515.409016][ T24] usbhid 5-1:254.0: probe with driver usbhid failed with error -71 [ 515.482278][ T24] usb 5-1: USB disconnect, device number 26 [ 515.816495][ T8362] loop3: detected capacity change from 0 to 64 [ 516.033665][ T29] audit: type=1800 audit(1771129107.335:57): pid=8362 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.737" name="file1" dev="loop3" ino=22 res=0 errno=0 [ 516.588802][ T8367] overlayfs: failed to resolve './file0': -2 [ 519.642471][ T8366] syz.3.737: attempt to access beyond end of device [ 519.642471][ T8366] loop3: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 519.657853][ T8366] syz.3.737: attempt to access beyond end of device [ 519.657853][ T8366] loop3: rw=34817, sector=72, nr_sectors = 2 limit=64 [ 519.743202][ T8366] syz.3.737: attempt to access beyond end of device [ 519.743202][ T8366] loop3: rw=34817, sector=76, nr_sectors = 90 limit=64 [ 520.620847][ T8380] loop4: detected capacity change from 0 to 64 [ 520.812523][ T29] audit: type=1800 audit(1771129112.115:58): pid=8380 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.742" name="file1" dev="loop4" ino=22 res=0 errno=0 [ 520.839975][ T8375] netlink: 'syz.0.741': attribute type 8 has an invalid length. [ 520.884165][ T8376] loop1: detected capacity change from 0 to 1024 [ 520.954661][ T5402] usb 3-1: new full-speed USB device number 26 using dummy_hcd [ 521.311687][ T5402] usb 3-1: config 0 has an invalid interface number: 52 but max is 0 [ 521.383041][ T5402] usb 3-1: config 0 has an invalid descriptor of length 48, skipping remainder of the config [ 521.497299][ T5402] usb 3-1: config 0 has no interface number 0 [ 521.646903][ T5402] usb 3-1: config 0 interface 52 altsetting 1 endpoint 0x8A has invalid maxpacket 12336, setting to 64 [ 521.722512][ T8386] syz.4.742: attempt to access beyond end of device [ 521.722512][ T8386] loop4: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 521.737578][ T8386] syz.4.742: attempt to access beyond end of device [ 521.737578][ T8386] loop4: rw=34817, sector=72, nr_sectors = 2 limit=64 [ 521.765377][ T8386] syz.4.742: attempt to access beyond end of device [ 521.765377][ T8386] loop4: rw=34817, sector=76, nr_sectors = 90 limit=64 [ 521.901941][ T5402] usb 3-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 522.091971][ T5402] usb 3-1: config 0 interface 52 has no altsetting 0 [ 522.210914][ T5402] usb 3-1: New USB device found, idVendor=06cb, idProduct=0003, bcdDevice=e8.00 [ 522.220099][ T5402] usb 3-1: New USB device strings: Mfr=22, Product=0, SerialNumber=0 [ 522.314246][ T5402] usb 3-1: Manufacturer: syz [ 522.373176][ T5402] usb 3-1: config 0 descriptor?? [ 522.443383][ T5402] hub 3-1:0.52: bad descriptor, ignoring hub [ 522.479430][ T5402] hub 3-1:0.52: probe with driver hub failed with error -5 [ 522.711546][ T5402] input: syz as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.52/input/input17 [ 522.889645][ T8381] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 522.973283][ T8381] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 523.165838][ T24] usb 3-1: USB disconnect, device number 26 [ 523.522091][ T8395] loop1: detected capacity change from 0 to 64 [ 523.650836][ T29] audit: type=1800 audit(1771129114.955:59): pid=8395 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.747" name="file1" dev="loop1" ino=22 res=0 errno=0 [ 523.981950][ T24] usb 5-1: new high-speed USB device number 27 using dummy_hcd [ 524.196023][ T8398] syz.1.747: attempt to access beyond end of device [ 524.196023][ T8398] loop1: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 524.211462][ T8398] syz.1.747: attempt to access beyond end of device [ 524.211462][ T8398] loop1: rw=34817, sector=72, nr_sectors = 2 limit=64 [ 524.294883][ T8398] syz.1.747: attempt to access beyond end of device [ 524.294883][ T8398] loop1: rw=34817, sector=76, nr_sectors = 68 limit=64 [ 524.313799][ T8398] syz.1.747: attempt to access beyond end of device [ 524.313799][ T8398] loop1: rw=8423425, sector=4172, nr_sectors = 22 limit=64 [ 524.560932][ T24] usb 5-1: Using ep0 maxpacket: 16 [ 524.672943][ T24] usb 5-1: config 8 has an invalid interface number: 189 but max is 0 [ 524.692621][ T24] usb 5-1: config 8 has no interface number 0 [ 524.708932][ T24] usb 5-1: New USB device found, idVendor=0ace, idProduct=20ff, bcdDevice= 1.01 [ 524.719874][ T24] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 524.731050][ T24] usb 5-1: Product: syz [ 524.742558][ T24] usb 5-1: Manufacturer: syz [ 524.747343][ T24] usb 5-1: SerialNumber: syz [ 525.010739][ T5402] usb 1-1: new high-speed USB device number 16 using dummy_hcd [ 525.048984][ T24] usb-storage 5-1:8.189: USB Mass Storage device detected [ 525.106479][ T24] usb-storage 5-1:8.189: device ignored [ 525.225922][ T5402] usb 1-1: config 254 interface 0 altsetting 9 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 525.266222][ T5402] usb 1-1: config 254 interface 0 altsetting 9 endpoint 0x81 has invalid wMaxPacketSize 0 [ 525.291231][ T5402] usb 1-1: config 254 interface 0 has no altsetting 0 [ 525.300902][ T24] usb 5-1: USB disconnect, device number 27 [ 525.308535][ T5402] usb 1-1: New USB device found, idVendor=054c, idProduct=03d5, bcdDevice= 0.00 [ 525.318643][ T5402] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 525.570305][ T8402] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 525.609824][ T8402] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 525.706369][ T8402] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 525.742967][ T8402] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 525.811928][ T8415] netlink: 16 bytes leftover after parsing attributes in process `syz.3.753'. [ 526.540751][ T24] usb 4-1: new high-speed USB device number 19 using dummy_hcd [ 526.578991][ T8421] dlm: non-version read from control device 217 [ 526.732996][ T24] usb 4-1: config 4 has an invalid interface number: 196 but max is 0 [ 526.750835][ T24] usb 4-1: config 4 has no interface number 0 [ 526.768401][ T24] usb 4-1: config 4 interface 196 altsetting 2 bulk endpoint 0x82 has invalid maxpacket 64 [ 526.812396][ T24] usb 4-1: config 4 interface 196 has no altsetting 0 [ 526.857199][ T24] usb 4-1: New USB device found, idVendor=06cd, idProduct=010c, bcdDevice=f3.03 [ 526.885630][ T24] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 526.906626][ T24] usb 4-1: Product: syz [ 526.925089][ T24] usb 4-1: Manufacturer: syz [ 526.933969][ T24] usb 4-1: SerialNumber: syz [ 526.941130][ T5829] usb 5-1: new high-speed USB device number 28 using dummy_hcd [ 526.972224][ T8419] raw-gadget.3 gadget.3: fail, usb_ep_enable returned -22 [ 527.008778][ T24] keyspan 4-1:4.196: Keyspan 1 port adapter converter detected [ 527.022175][ T24] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 84 [ 527.038673][ T24] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 81 [ 527.071495][ T24] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 1 [ 527.097787][ T24] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 2 [ 527.120927][ T24] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 83 [ 527.154414][ T5829] usb 5-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 527.171454][ T24] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 3 [ 527.186490][ T5829] usb 5-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 527.215649][ T24] usb 4-1: Keyspan 1 port adapter converter now attached to ttyUSB0 [ 527.243554][ T5829] usb 5-1: config 0 interface 0 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 2 [ 527.327301][ T5829] usb 5-1: New USB device found, idVendor=8086, idProduct=0b5b, bcdDevice=e1.c5 [ 527.355754][ T5829] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 527.398787][ T5829] usb 5-1: Product: syz [ 527.444686][ T5829] usb 5-1: Manufacturer: syz [ 527.484702][ T5829] usb 5-1: SerialNumber: syz [ 527.527991][ T5829] usb 5-1: config 0 descriptor?? [ 527.602324][ T5829] uvcvideo 5-1:0.0: Found UVC 34.00 device syz (8086:0b5b) [ 527.647597][ T5829] uvcvideo 5-1:0.0: No valid video chain found. [ 527.762130][ T8421] program syz.4.756 is using a deprecated SCSI ioctl, please convert it to SG_IO [ 527.875494][ T5829] usb 5-1: USB disconnect, device number 28 [ 527.985925][ T5402] usb 1-1: string descriptor 0 read error: -71 [ 528.073254][ T5402] usbhid 1-1:254.0: can't add hid device: -71 [ 528.080250][ T5402] usbhid 1-1:254.0: probe with driver usbhid failed with error -71 [ 528.106010][ T24] usb 4-1: USB disconnect, device number 19 [ 528.111477][ T5402] usb 1-1: USB disconnect, device number 16 [ 528.143060][ T24] keyspan_1 ttyUSB0: Keyspan 1 port adapter converter now disconnected from ttyUSB0 [ 528.193667][ T24] keyspan 4-1:4.196: device disconnected [ 528.221066][ T5833] usb 3-1: new full-speed USB device number 27 using dummy_hcd [ 528.439723][ T5833] usb 3-1: config 0 has an invalid interface number: 52 but max is 0 [ 528.464421][ T5833] usb 3-1: config 0 has an invalid descriptor of length 48, skipping remainder of the config [ 528.491059][ T5833] usb 3-1: config 0 has no interface number 0 [ 528.497422][ T5833] usb 3-1: config 0 interface 52 altsetting 1 endpoint 0x8A has invalid maxpacket 12336, setting to 64 [ 528.534811][ T5833] usb 3-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 528.570810][ T5833] usb 3-1: config 0 interface 52 has no altsetting 0 [ 528.582031][ T5833] usb 3-1: New USB device found, idVendor=06cb, idProduct=0003, bcdDevice=e8.00 [ 528.598778][ T5833] usb 3-1: New USB device strings: Mfr=22, Product=0, SerialNumber=0 [ 528.607428][ T5833] usb 3-1: Manufacturer: syz [ 528.626886][ T5833] usb 3-1: config 0 descriptor?? [ 528.651725][ T5402] usb 1-1: new high-speed USB device number 17 using dummy_hcd [ 528.712306][ T5833] hub 3-1:0.52: bad descriptor, ignoring hub [ 528.718519][ T5833] hub 3-1:0.52: probe with driver hub failed with error -5 [ 528.847646][ T5402] usb 1-1: config 254 interface 0 altsetting 9 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 528.920910][ T5402] usb 1-1: config 254 interface 0 altsetting 9 endpoint 0x81 has invalid wMaxPacketSize 0 [ 528.948635][ T5833] input: syz as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.52/input/input18 [ 528.991722][ T5402] usb 1-1: config 254 interface 0 has no altsetting 0 [ 528.999500][ T5402] usb 1-1: New USB device found, idVendor=054c, idProduct=03d5, bcdDevice= 0.00 [ 529.199368][ T8434] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 529.302115][ T5402] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 529.357705][ T8434] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 529.742660][ T8437] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 529.846842][ T8445] overlay: Unknown parameter 'uid' [ 529.993471][ T24] usb 3-1: USB disconnect, device number 27 [ 530.068036][ T8437] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 530.223596][ T8448] loop4: detected capacity change from 0 to 64 [ 530.389070][ T29] audit: type=1800 audit(1771129121.635:60): pid=8448 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.766" name="file1" dev="loop4" ino=22 res=0 errno=0 [ 534.452115][ T8448] INFO: The task syz.4.766:8448 has been waiting for writeback completion for more than 2 seconds. [ 534.453461][ T8448] INFO: The task syz.4.766:8448 has been waiting for writeback completion for more than 2 seconds. [ 537.020749][ T5402] usb 1-1: string descriptor 0 read error: -32 [ 537.083268][ T8450] syz.4.766: attempt to access beyond end of device [ 537.083268][ T8450] loop4: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 537.098772][ T5402] usbhid 1-1:254.0: can't add hid device: -32 [ 537.137034][ T5402] usbhid 1-1:254.0: probe with driver usbhid failed with error -32 [ 537.261741][ T8450] syz.4.766: attempt to access beyond end of device [ 537.261741][ T8450] loop4: rw=34817, sector=76, nr_sectors = 92 limit=64 [ 537.341427][ T8448] INFO: The task syz.4.766:8448 has been waiting for writeback completion for more than 5 seconds. [ 537.507095][ T5402] usb 1-1: USB disconnect, device number 17 [ 538.255485][ T8453] loop3: detected capacity change from 0 to 4096 [ 538.713579][ T5833] usb 2-1: new full-speed USB device number 38 using dummy_hcd [ 538.911819][ T5402] usb 1-1: new high-speed USB device number 18 using dummy_hcd [ 538.947929][ T5833] usb 2-1: config 0 has an invalid interface number: 52 but max is 0 [ 538.991474][ T5833] usb 2-1: config 0 has an invalid descriptor of length 48, skipping remainder of the config [ 539.011300][ T5833] usb 2-1: config 0 has no interface number 0 [ 539.025159][ T5833] usb 2-1: config 0 interface 52 altsetting 1 endpoint 0x8A has invalid maxpacket 12336, setting to 64 [ 539.060587][ T5833] usb 2-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 539.110692][ T5833] usb 2-1: config 0 interface 52 has no altsetting 0 [ 539.119021][ T8473] loop4: detected capacity change from 0 to 64 [ 539.134940][ T5833] usb 2-1: New USB device found, idVendor=06cb, idProduct=0003, bcdDevice=e8.00 [ 539.157029][ T5402] usb 1-1: config 254 interface 0 altsetting 9 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 539.183140][ T5833] usb 2-1: New USB device strings: Mfr=22, Product=0, SerialNumber=0 [ 539.199475][ T5402] usb 1-1: config 254 interface 0 altsetting 9 endpoint 0x81 has invalid wMaxPacketSize 0 [ 539.215983][ T5833] usb 2-1: Manufacturer: syz [ 539.225019][ T5402] usb 1-1: config 254 interface 0 has no altsetting 0 [ 539.247309][ T29] audit: type=1800 audit(1771129130.555:61): pid=8473 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.774" name="file1" dev="loop4" ino=22 res=0 errno=0 [ 539.253051][ T5833] usb 2-1: config 0 descriptor?? [ 539.275622][ T5402] usb 1-1: New USB device found, idVendor=054c, idProduct=03d5, bcdDevice= 0.00 [ 539.316288][ T5402] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 540.118450][ T8476] syz.4.774: attempt to access beyond end of device [ 540.118450][ T8476] loop4: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 540.133684][ T8476] syz.4.774: attempt to access beyond end of device [ 540.133684][ T8476] loop4: rw=34817, sector=72, nr_sectors = 2 limit=64 [ 540.207329][ T8476] syz.4.774: attempt to access beyond end of device [ 540.207329][ T8476] loop4: rw=34817, sector=76, nr_sectors = 90 limit=64 [ 540.505082][ T5833] hub 2-1:0.52: bad descriptor, ignoring hub [ 540.512412][ T5833] hub 2-1:0.52: probe with driver hub failed with error -5 [ 540.594513][ T8469] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 540.622100][ T8469] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 540.699686][ T8469] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 540.744249][ T8469] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 540.768770][ T5833] input: syz as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.52/input/input19 [ 540.939100][ T8465] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 540.955244][ T8465] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 541.121886][ T24] usb 2-1: USB disconnect, device number 38 [ 541.945912][ T8483] overlay: Unknown parameter 'uid' [ 542.800748][ T5402] usb 1-1: string descriptor 0 read error: -71 [ 542.822718][ T5402] usbhid 1-1:254.0: can't add hid device: -71 [ 542.829419][ T5402] usbhid 1-1:254.0: probe with driver usbhid failed with error -71 [ 542.842579][ T5402] usb 1-1: USB disconnect, device number 18 [ 544.218997][ T8495] overlay: Unknown parameter 'uid' [ 544.447575][ T8491] loop1: detected capacity change from 0 to 128 [ 544.469115][ T8491] hpfs: Bad magic ... probably not HPFS [ 545.143784][ T5402] usb 4-1: new high-speed USB device number 20 using dummy_hcd [ 545.224536][ T8493] loop2: detected capacity change from 0 to 4096 [ 545.349525][ T5402] usb 4-1: config 4 has an invalid interface number: 196 but max is 0 [ 545.381835][ T5402] usb 4-1: config 4 has no interface number 0 [ 545.388157][ T5402] usb 4-1: config 4 interface 196 altsetting 2 bulk endpoint 0x82 has invalid maxpacket 64 [ 545.489816][ T5402] usb 4-1: config 4 interface 196 has no altsetting 0 [ 545.528007][ T5402] usb 4-1: New USB device found, idVendor=06cd, idProduct=010c, bcdDevice=f3.03 [ 545.555436][ T5402] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 545.596234][ T5402] usb 4-1: Product: syz [ 545.617595][ T5402] usb 4-1: Manufacturer: syz [ 545.631433][ T8507] loop4: detected capacity change from 0 to 512 [ 545.641101][ T5402] usb 4-1: SerialNumber: syz [ 545.675842][ T8500] raw-gadget.0 gadget.3: fail, usb_ep_enable returned -22 [ 545.684678][ T8507] EXT4-fs (loop4): encrypted files will use data=ordered instead of data journaling mode [ 545.776248][ T8507] EXT4-fs (loop4): 1 truncate cleaned up [ 545.823756][ T8507] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 545.833736][ T5402] keyspan 4-1:4.196: Keyspan 1 port adapter converter detected [ 545.946393][ T5402] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 84 [ 545.963695][ T8507] xt_hashlimit: size too large, truncated to 1048576 [ 546.027052][ T5402] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 81 [ 546.066951][ T5402] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 1 [ 546.130344][ T5402] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 2 [ 546.198351][ T5402] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 83 [ 546.218498][ T5402] keyspan 4-1:4.196: found no endpoint descriptor for endpoint 3 [ 546.294394][ T5402] usb 4-1: Keyspan 1 port adapter converter now attached to ttyUSB0 [ 547.045109][ T5402] usb 4-1: USB disconnect, device number 20 [ 547.097647][ T5402] keyspan_1 ttyUSB0: Keyspan 1 port adapter converter now disconnected from ttyUSB0 [ 547.137052][ T5402] keyspan 4-1:4.196: device disconnected [ 547.687005][ T8524] loop1: detected capacity change from 0 to 8192 [ 547.814813][ T8524] FAT-fs (loop1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 547.873469][ T8526] loop2: detected capacity change from 0 to 8192 [ 547.950682][ T8526] FAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 548.095907][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.100967][ T29] audit: type=1800 audit(1771129139.395:62): pid=8524 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.790" name="file2" dev="loop1" ino=1048668 res=0 errno=0 [ 548.167707][ T8524] FAT-fs (loop1): Filesystem has been set read-only [ 548.192664][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.227186][ T29] audit: type=1800 audit(1771129139.535:63): pid=8526 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.789" name="file2" dev="loop2" ino=1048669 res=0 errno=0 [ 548.235439][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.314081][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.334880][ T8526] FAT-fs (loop2): Filesystem has been set read-only [ 548.345689][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.371095][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.391224][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.400268][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.430855][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.439882][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.480894][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.492845][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.510747][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.519759][ T8524] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.531702][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.559278][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.591457][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.604061][ T8522] FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.635292][ T8526] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 548.712201][ T8523] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 549.009032][ T5775] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 549.124815][ T24] usb 1-1: new full-speed USB device number 19 using dummy_hcd [ 549.326768][ T24] usb 1-1: config 0 has an invalid interface number: 52 but max is 0 [ 549.360752][ T24] usb 1-1: config 0 has an invalid descriptor of length 48, skipping remainder of the config [ 549.432627][ T24] usb 1-1: config 0 has no interface number 0 [ 549.439016][ T24] usb 1-1: config 0 interface 52 altsetting 1 endpoint 0x8A has invalid maxpacket 12336, setting to 64 [ 549.470827][ T8538] netlink: 16 bytes leftover after parsing attributes in process `syz.4.793'. [ 549.480332][ T24] usb 1-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 549.544917][ T24] usb 1-1: config 0 interface 52 has no altsetting 0 [ 549.577374][ T24] usb 1-1: New USB device found, idVendor=06cb, idProduct=0003, bcdDevice=e8.00 [ 549.625682][ T24] usb 1-1: New USB device strings: Mfr=22, Product=0, SerialNumber=0 [ 549.664161][ T24] usb 1-1: Manufacturer: syz [ 549.711488][ T24] usb 1-1: config 0 descriptor?? [ 549.733036][ T24] hub 1-1:0.52: bad descriptor, ignoring hub [ 549.750224][ T24] hub 1-1:0.52: probe with driver hub failed with error -5 [ 550.018411][ T24] input: syz as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.52/input/input20 [ 550.161572][ T8535] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 550.223754][ T8535] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 550.246689][ T24] usb 1-1: USB disconnect, device number 19 [ 550.267688][ T8546] netlink: 16 bytes leftover after parsing attributes in process `syz.1.794'. [ 550.309561][ T8546] netlink: 16 bytes leftover after parsing attributes in process `syz.1.794'. [ 550.720682][ T5402] usb 4-1: new high-speed USB device number 21 using dummy_hcd [ 550.815641][ T8548] loop1: detected capacity change from 0 to 4096 [ 550.886319][ T5402] usb 4-1: Using ep0 maxpacket: 8 [ 550.914956][ T5402] usb 4-1: config index 0 descriptor too short (expected 301, got 45) [ 550.937567][ T5402] usb 4-1: config 16 interface 0 altsetting 0 endpoint 0x5 has invalid wMaxPacketSize 0 [ 550.983751][ T5402] usb 4-1: config 16 interface 0 altsetting 0 bulk endpoint 0x5 has invalid maxpacket 0 [ 551.034223][ T5402] usb 4-1: config 16 interface 0 altsetting 0 bulk endpoint 0x8B has invalid maxpacket 32 [ 551.107938][ T5402] usb 4-1: config 16 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 551.150652][ T5402] usb 4-1: New USB device found, idVendor=ee8d, idProduct=db1e, bcdDevice=61.23 [ 551.204192][ T8552] loop4: detected capacity change from 0 to 4096 [ 551.210587][ T5402] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 551.490134][ T5402] usb 4-1: usb_control_msg returned -32 [ 551.531323][ T5402] usbtmc 4-1:16.0: can't read capabilities [ 551.607969][ T5402] usb 4-1: USB disconnect, device number 21 [ 551.865462][ T8557] loop0: detected capacity change from 0 to 4096 [ 552.243366][ T8559] loop2: detected capacity change from 0 to 8192 [ 552.386576][ T8559] FAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 552.547859][ T8563] loop1: detected capacity change from 0 to 128 [ 552.604717][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 552.618728][ T29] audit: type=1800 audit(1771129143.905:64): pid=8559 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.802" name="file2" dev="loop2" ino=1048670 res=0 errno=0 [ 552.644001][ T8559] FAT-fs (loop2): Filesystem has been set read-only [ 552.684523][ T8563] vfat: Unknown parameter '18446744073709551615' [ 552.708135][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 552.795718][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 552.880794][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 552.942165][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 552.971774][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 553.000951][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 553.039449][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 553.073968][ T8559] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 553.130177][ T8558] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 553.399609][ T8574] netlink: 16 bytes leftover after parsing attributes in process `syz.0.806'. [ 554.613067][ T8584] overlayfs: failed to resolve './file0': -2 [ 557.470772][ T24] usb 5-1: new low-speed USB device number 29 using dummy_hcd [ 557.670700][ T5402] usb 4-1: new high-speed USB device number 22 using dummy_hcd [ 557.921554][ T5402] usb 4-1: Using ep0 maxpacket: 8 [ 557.946045][ T5402] usb 4-1: config index 0 descriptor too short (expected 301, got 45) [ 558.012914][ T5402] usb 4-1: config 16 interface 0 altsetting 0 endpoint 0x5 has invalid wMaxPacketSize 0 [ 558.068609][ T5402] usb 4-1: config 16 interface 0 altsetting 0 bulk endpoint 0x5 has invalid maxpacket 0 [ 558.146477][ T5402] usb 4-1: config 16 interface 0 altsetting 0 bulk endpoint 0x8B has invalid maxpacket 32 [ 558.210903][ T5402] usb 4-1: config 16 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 558.291136][ T5402] usb 4-1: New USB device found, idVendor=ee8d, idProduct=db1e, bcdDevice=61.23 [ 558.365655][ T5402] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 558.516929][ T8604] loop1: detected capacity change from 0 to 40427 [ 558.576789][ T24] usb 5-1: config 0 has no interfaces? [ 558.595964][ T8604] F2FS-fs (loop1): invalid crc value [ 558.653424][ T5402] usb 4-1: usb_control_msg returned -32 [ 558.673997][ T5402] usbtmc 4-1:16.0: can't read capabilities [ 558.808730][ T5402] usb 4-1: USB disconnect, device number 22 [ 559.087842][ T8604] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 559.110121][ T8604] F2FS-fs (loop1): Start checkpoint disabled! [ 559.152288][ T8604] F2FS-fs (loop1): f2fs_disable_checkpoint() finish, err:0 [ 559.162276][ T8604] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e6 [ 559.682061][ T5918] kworker/u8:9: attempt to access beyond end of device [ 559.682061][ T5918] loop1: rw=1, sector=77824, nr_sectors = 408 limit=40427 [ 559.781065][ T5918] kworker/u8:9: attempt to access beyond end of device [ 559.781065][ T5918] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 559.838825][ T5918] CPU: 0 UID: 0 PID: 5918 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT(full) [ 559.838965][ T5918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 559.839062][ T5918] Workqueue: writeback wb_workfn (flush-7:1) [ 559.839227][ T5918] Call Trace: [ 559.839273][ T5918] [ 559.839321][ T5918] __dump_stack+0x26/0x30 [ 559.839465][ T5918] dump_stack_lvl+0x14c/0x1c0 [ 559.839620][ T5918] dump_stack+0x1e/0x25 [ 559.839756][ T5918] f2fs_handle_critical_error+0xa6f/0xc20 [ 559.839978][ T5918] f2fs_stop_checkpoint+0x65/0x80 [ 559.840115][ T5918] f2fs_write_end_io+0x12e6/0x2560 [ 559.840313][ T5918] ? __pfx_f2fs_write_end_io+0x10/0x10 [ 559.840451][ T5918] bio_endio+0x1006/0x1160 [ 559.840599][ T5918] submit_bio_noacct+0x533/0x2960 [ 559.840803][ T5918] submit_bio+0x57a/0x620 [ 559.840970][ T5918] f2fs_submit_write_bio+0x115/0x350 [ 559.841162][ T5918] __submit_merged_bio+0x16f/0x780 [ 559.841339][ T5918] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 559.841520][ T5918] __submit_merged_write_cond+0x4ba/0xae0 [ 559.841727][ T5918] f2fs_write_data_pages+0x5073/0x5e10 [ 559.841978][ T5918] ? kmsan_get_metadata+0x10/0x160 [ 559.842172][ T5918] ? kmsan_get_metadata+0xf1/0x160 [ 559.842330][ T5918] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 559.842505][ T5918] ? update_load_avg+0x14eb/0x25d0 [ 559.842676][ T5918] ? update_load_avg+0x14eb/0x25d0 [ 559.842849][ T5918] ? kmsan_get_metadata+0xf1/0x160 [ 559.843017][ T5918] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 559.843184][ T5918] ? kmsan_get_metadata+0xf1/0x160 [ 559.843356][ T5918] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 559.843525][ T5918] ? kmsan_get_metadata+0xf1/0x160 [ 559.843688][ T5918] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 559.843862][ T5918] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 559.844004][ T5918] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 559.844140][ T5918] do_writepages+0x3f2/0x860 [ 559.844315][ T5918] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 559.844491][ T5918] ? writeback_sb_inodes+0x1/0x1f40 [ 559.844641][ T5918] ? kmsan_get_metadata+0xf1/0x160 [ 559.844823][ T5918] __writeback_single_inode+0xfc/0x1440 [ 559.844991][ T5918] ? kmsan_get_metadata+0xf1/0x160 [ 559.845168][ T5918] writeback_sb_inodes+0xb52/0x1f40 [ 559.845461][ T5918] wb_writeback+0x4f1/0xcd0 [ 559.845633][ T5918] ? queue_io+0x411/0x800 [ 559.845782][ T5918] wb_workfn+0x3b9/0x19b0 [ 559.845911][ T5918] ? kmsan_get_metadata+0xf1/0x160 [ 559.846105][ T5918] ? __pfx_wb_workfn+0x10/0x10 [ 559.846229][ T5918] process_scheduled_works+0xb21/0x1e30 [ 559.846434][ T5918] worker_thread+0xede/0x1580 [ 559.846610][ T5918] kthread+0x53f/0x600 [ 559.846769][ T5918] ? __pfx_worker_thread+0x10/0x10 [ 559.846928][ T5918] ? __pfx_kthread+0x10/0x10 [ 559.847080][ T5918] ret_from_fork+0x20f/0x910 [ 559.847221][ T5918] ? __switch_to+0x51c/0x750 [ 559.847396][ T5918] ? __pfx_kthread+0x10/0x10 [ 559.847553][ T5918] ret_from_fork_asm+0x1a/0x30 [ 559.847743][ T5918] [ 560.191986][ T5918] F2FS-fs (loop1): Stopped filesystem due to reason: 3 [ 561.044394][ T24] usb 5-1: New USB device found, idVendor=0df6, idProduct=005c, bcdDevice=b6.12 [ 561.054245][ T24] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 561.077945][ T24] usb 5-1: config 0 descriptor?? [ 561.095475][ T24] usb 5-1: can't set config #0, error -71 [ 561.120738][ T24] usb 5-1: USB disconnect, device number 29 [ 561.221897][ T8626] overlay: Unknown parameter 'uid' [ 562.819641][ T8645] loop2: detected capacity change from 0 to 512 [ 562.961130][ T8645] EXT4-fs (loop2): couldn't mount as ext3 due to feature incompatibilities [ 563.063009][ T8650] loop0: detected capacity change from 0 to 512 [ 563.223723][ T8650] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 563.318353][ T8650] ext4 filesystem being mounted at /177/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 563.431860][ T8655] loop4: detected capacity change from 0 to 1024 [ 563.441338][ T8655] EXT4-fs: Ignoring removed mblk_io_submit option [ 563.653052][ T8650] EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled [ 563.809768][ T8650] EXT4-fs (loop0): re-mounted 00000000-0000-0000-0000-000000000000 ro. [ 564.222950][ T8655] EXT4-fs (loop4): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 564.238067][ T8655] ext4 filesystem being mounted at /167/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 564.262738][ T8647] EXT4-fs (loop4): shut down requested (0) [ 565.624522][ T5786] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 566.219932][ T8678] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 566.813103][ T5775] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 566.938861][ T8681] warning: `syz.2.839' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211 [ 567.322522][ T8689] loop4: detected capacity change from 0 to 512 [ 567.333269][ T8689] EXT4-fs: Ignoring removed nomblk_io_submit option [ 567.744278][ T8689] EXT4-fs error (device loop4): ext4_orphan_get:1391: inode #15: comm syz.4.840: iget: bad extended attribute block 262144 [ 567.757840][ T8689] loop4: lost file I/O error report for ino 15 type 5 pos 0x0 len 0x0 error -117 [ 567.759302][ T8689] EXT4-fs error (device loop4): ext4_orphan_get:1396: comm syz.4.840: couldn't read orphan inode 15 (err -117) [ 567.769050][ C0] EXT4-fs (loop4): error count since last fsck: 1 [ 567.769144][ C0] EXT4-fs (loop4): initial error at time 1771129159: ext4_orphan_get:1391: inode 15 [ 567.769307][ C0] EXT4-fs (loop4): last error at time 1771129159: ext4_orphan_get:1391: inode 15 [ 567.807530][ T8689] loop4: lost filesystem error report for type 5 error -117 [ 567.821809][ T8689] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 568.564739][ T8697] FAULT_INJECTION: forcing a failure. [ 568.564739][ T8697] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 568.652653][ T8698] loop0: detected capacity change from 0 to 512 [ 568.681147][ T8697] CPU: 1 UID: 0 PID: 8697 Comm: syz.2.843 Not tainted syzkaller #0 PREEMPT(full) [ 568.681301][ T8697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 568.681376][ T8697] Call Trace: [ 568.681423][ T8697] [ 568.681470][ T8697] __dump_stack+0x26/0x30 [ 568.681622][ T8697] dump_stack_lvl+0x14c/0x1c0 [ 568.681773][ T8697] dump_stack+0x1e/0x25 [ 568.681907][ T8697] should_fail_ex+0x7e2/0x8c0 [ 568.682088][ T8697] should_fail+0x2a/0x40 [ 568.682242][ T8697] should_fail_usercopy+0x2e/0x40 [ 568.682408][ T8697] _copy_to_user+0x35/0x120 [ 568.682567][ T8697] simple_read_from_buffer+0x1b2/0x340 [ 568.682752][ T8697] proc_fail_nth_read+0x1e0/0x2d0 [ 568.682918][ T8697] ? __pfx_proc_fail_nth_read+0x10/0x10 [ 568.683077][ T8697] vfs_read+0x27c/0xf90 [ 568.683220][ T8697] ? stack_depot_save_flags+0x35/0x790 [ 568.683376][ T8697] ? kmsan_get_metadata+0xf1/0x160 [ 568.683541][ T8697] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 568.683711][ T8697] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 568.683888][ T8697] ksys_read+0x1d9/0x470 [ 568.684045][ T8697] __x64_sys_read+0x97/0xf0 [ 568.684204][ T8697] x64_sys_call+0x311c/0x3ea0 [ 568.684362][ T8697] do_syscall_64+0x134/0xf80 [ 568.684493][ T8697] ? clear_bhb_loop+0x50/0xa0 [ 568.684631][ T8697] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 568.684781][ T8697] RIP: 0033:0x7f39aa15c84e [ 568.684876][ T8697] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 568.684987][ T8697] RSP: 002b:00007f39ab024fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 568.685109][ T8697] RAX: ffffffffffffffda RBX: 00007f39ab0256c0 RCX: 00007f39aa15c84e [ 568.685211][ T8697] RDX: 000000000000000f RSI: 00007f39ab0250a0 RDI: 0000000000000004 [ 568.685290][ T8697] RBP: 00007f39ab025090 R08: 0000000000000000 R09: 0000000000000000 [ 568.685371][ T8697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 568.685449][ T8697] R13: 00007f39aa416038 R14: 00007f39aa415fa0 R15: 00007ffe353026b8 [ 568.685575][ T8697] [ 569.130705][ T8698] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 569.176932][ T5775] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 569.309903][ T8698] EXT4-fs (loop0): 1 truncate cleaned up [ 569.317816][ T8698] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 569.364808][ T8698] xt_hashlimit: size too large, truncated to 1048576 [ 569.791301][ T8713] loop4: detected capacity change from 0 to 512 [ 569.874516][ T8713] FAT-fs (loop4): error, invalid access to FAT (entry 0x0fffff00) [ 570.363644][ T8706] loop3: detected capacity change from 0 to 4096 [ 570.407726][ T8706] ntfs3: Unknown parameter 'fowner' [ 571.160988][ T8728] netlink: 16 bytes leftover after parsing attributes in process `syz.1.851'. [ 571.200734][ T8728] netlink: 16 bytes leftover after parsing attributes in process `syz.1.851'. [ 571.410708][ T5831] usb 5-1: new high-speed USB device number 30 using dummy_hcd [ 571.540790][ T5402] usb 4-1: new high-speed USB device number 23 using dummy_hcd [ 571.593237][ T5831] usb 5-1: Using ep0 maxpacket: 32 [ 571.608845][ T8728] loop1: detected capacity change from 0 to 4096 [ 571.615401][ T5831] usb 5-1: config 0 has an invalid interface number: 85 but max is 0 [ 571.615540][ T5831] usb 5-1: config 0 has no interface number 0 [ 571.650901][ T5831] usb 5-1: config 0 interface 85 altsetting 7 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 571.674911][ T5831] usb 5-1: config 0 interface 85 has no altsetting 0 [ 571.714489][ T5786] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 571.729450][ T5402] usb 4-1: Using ep0 maxpacket: 16 [ 571.751051][ T5831] usb 5-1: New USB device found, idVendor=05ac, idProduct=0219, bcdDevice=f0.72 [ 571.766291][ T5402] usb 4-1: config 8 has an invalid interface number: 189 but max is 0 [ 571.785718][ T5831] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 571.795280][ T8735] netlink: 'syz.2.854': attribute type 21 has an invalid length. [ 571.807618][ T5831] usb 5-1: Product: syz [ 571.810768][ T5402] usb 4-1: config 8 has no interface number 0 [ 571.830908][ T5831] usb 5-1: Manufacturer: syz [ 571.846028][ T8735] netlink: 164 bytes leftover after parsing attributes in process `syz.2.854'. [ 571.851059][ T5831] usb 5-1: SerialNumber: syz [ 571.866805][ T5402] usb 4-1: New USB device found, idVendor=0ace, idProduct=20ff, bcdDevice= 1.01 [ 571.909443][ T5402] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 571.937861][ T5831] usb 5-1: config 0 descriptor?? [ 571.951211][ T5402] usb 4-1: Product: syz [ 571.955578][ T5402] usb 4-1: Manufacturer: syz [ 571.984921][ T5402] usb 4-1: SerialNumber: syz [ 572.193397][ T8739] loop0: detected capacity change from 0 to 64 [ 572.328499][ T5402] usb-storage 4-1:8.189: USB Mass Storage device detected [ 572.364255][ T29] audit: type=1800 audit(1771129163.675:65): pid=8739 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.855" name="file1" dev="loop0" ino=22 res=0 errno=0 [ 572.394073][ T5402] usb-storage 4-1:8.189: device ignored [ 572.601442][ T5402] usb 4-1: USB disconnect, device number 23 [ 572.661292][ T1296] ieee802154 phy0 wpan0: encryption failed: -22 [ 572.664789][ T8727] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 572.668228][ T1296] ieee802154 phy1 wpan1: encryption failed: -22 [ 572.801651][ T8727] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 572.823269][ T8742] syz.0.855: attempt to access beyond end of device [ 572.823269][ T8742] loop0: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 572.838470][ T8742] syz.0.855: attempt to access beyond end of device [ 572.838470][ T8742] loop0: rw=34817, sector=72, nr_sectors = 2 limit=64 [ 572.882169][ T8742] syz.0.855: attempt to access beyond end of device [ 572.882169][ T8742] loop0: rw=34817, sector=76, nr_sectors = 90 limit=64 [ 573.063971][ T5831] appletouch 5-1:0.85: Failed to request geyser raw mode [ 573.092425][ T5831] appletouch 5-1:0.85: probe with driver appletouch failed with error -5 [ 573.150933][ T5831] usb 5-1: USB disconnect, device number 30 [ 573.497883][ T8744] loop2: detected capacity change from 0 to 1024 [ 573.673191][ T8744] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 573.871078][ T8753] capability: warning: `syz.3.858' uses deprecated v2 capabilities in a way that may be insecure [ 573.956835][ T8753] ucma_write: process 462 (syz.3.858) changed security contexts after opening file descriptor, this is not allowed. [ 574.190885][ T5777] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 575.297490][ T8782] loop2: detected capacity change from 0 to 64 [ 575.860779][ T5402] usb 4-1: new high-speed USB device number 24 using dummy_hcd [ 575.945902][ T8794] loop1: detected capacity change from 0 to 64 [ 576.039514][ T5402] usb 4-1: config 27 interface 0 altsetting 0 endpoint 0x8B has an invalid bInterval 0, changing to 7 [ 576.052166][ T5833] usb 1-1: new high-speed USB device number 20 using dummy_hcd [ 576.070145][ T29] audit: type=1800 audit(1771129167.365:66): pid=8794 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.870" name="file1" dev="loop1" ino=22 res=0 errno=0 [ 576.090823][ T5402] usb 4-1: config 27 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 47 [ 576.091077][ T5402] usb 4-1: New USB device found, idVendor=0582, idProduct=0014, bcdDevice=bb.9d [ 576.091263][ T5402] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 576.132088][ T8787] raw-gadget.0 gadget.3: fail, usb_ep_enable returned -22 [ 576.261344][ T5833] usb 1-1: Using ep0 maxpacket: 32 [ 576.344223][ T5833] usb 1-1: config 0 has an invalid interface number: 146 but max is 0 [ 576.360824][ T5402] usb 4-1: Quirk or no altset; falling back to MIDI 1.0 [ 576.722524][ T5833] usb 1-1: config 0 has no interface number 0 [ 576.728832][ T5833] usb 1-1: config 0 interface 146 altsetting 0 has an invalid descriptor for endpoint zero, skipping [ 576.791207][ T5833] usb 1-1: config 0 interface 146 altsetting 0 has an endpoint descriptor with address 0xE3, changing to 0x83 [ 576.871519][ T5833] usb 1-1: config 0 interface 146 altsetting 0 endpoint 0x83 has invalid maxpacket 33307, setting to 1024 [ 576.922964][ T8796] syz.1.870: attempt to access beyond end of device [ 576.922964][ T8796] loop1: rw=34817, sector=39, nr_sectors = 30 limit=64 [ 576.936931][ T8796] syz.1.870: attempt to access beyond end of device [ 576.936931][ T8796] loop1: rw=34817, sector=72, nr_sectors = 2 limit=64 [ 576.952189][ T8796] syz.1.870: attempt to access beyond end of device [ 576.952189][ T8796] loop1: rw=34817, sector=76, nr_sectors = 90 limit=64 [ 577.054573][ T5833] usb 1-1: config 0 interface 146 altsetting 0 bulk endpoint 0x83 has invalid maxpacket 1024 [ 577.187593][ T5833] usb 1-1: config 0 interface 146 altsetting 0 has an endpoint descriptor with address 0xF2, changing to 0x82 [ 577.852856][ T8804] loop4: detected capacity change from 0 to 32768 [ 577.889303][ T8804] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.873 (8804) [ 577.920650][ T5833] usb 1-1: config 0 interface 146 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 577.951208][ T8804] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 577.961854][ T8804] BTRFS info (device loop4): using sha256 checksum algorithm [ 578.008372][ T5833] usb 1-1: config 0 interface 146 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 0 [ 578.100792][ T5833] usb 1-1: config 0 interface 146 altsetting 0 endpoint 0x1 has invalid maxpacket 19968, setting to 1024 [ 578.176709][ T5833] usb 1-1: config 0 interface 146 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 1024 [ 578.210616][ T5833] usb 1-1: config 0 interface 146 altsetting 0 has 4 endpoint descriptors, different from the interface descriptor's value: 3 [ 578.277342][ T5833] usb 1-1: New USB device found, idVendor=05da, idProduct=009a, bcdDevice=62.95 [ 578.289981][ T5833] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 578.290609][ T8804] BTRFS info (device loop4): rebuilding free space tree [ 578.302719][ T5833] usb 1-1: Product: syz [ 578.311137][ T5833] usb 1-1: Manufacturer: syz [ 578.316076][ T5833] usb 1-1: SerialNumber: syz [ 578.336191][ T8804] BTRFS info (device loop4): disabling free space tree [ 578.343435][ T8804] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 578.353708][ T8804] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 578.378978][ T8804] BTRFS info (device loop4): setting nodatasum [ 578.385945][ T8804] BTRFS info (device loop4): setting nodatacow [ 578.388810][ T5402] usb 4-1: USB disconnect, device number 24 [ 578.394019][ T8804] BTRFS info (device loop4): turning off barriers [ 578.406101][ T8804] BTRFS info (device loop4): force clearing of disk cache [ 578.427900][ T5833] usb 1-1: config 0 descriptor?? [ 578.461134][ T8792] raw-gadget.1 gadget.0: fail, usb_ep_enable returned -22 [ 578.488277][ T8792] raw-gadget.1 gadget.0: fail, usb_ep_enable returned -22 [ 578.591374][ T5833] microtek usb (rev 0.4.3): will this work? Response EP is not usually 3 [ 578.614792][ T5833] microtek usb (rev 0.4.3): will this work? Image data EP is not usually 2 [ 578.673678][ T5833] scsi host1: microtekX6 [ 578.686196][ T5913] udevd[5913]: error opening ATTR{/sys/devices/platform/dummy_hcd.3/usb4/4-1/4-1:27.0/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 578.780795][ T8807] loop2: detected capacity change from 0 to 8192 [ 578.898652][ T8807] FAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 578.943017][ T5833] usb 1-1: USB disconnect, device number 20 [ 579.136566][ T29] audit: type=1800 audit(1771129170.445:67): pid=8807 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.872" name="file2" dev="loop2" ino=1048671 res=0 errno=0 [ 579.165508][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.246990][ T8807] FAT-fs (loop2): Filesystem has been set read-only [ 579.301157][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.409214][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.431180][ T5775] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 579.499259][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.579620][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.610833][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.678373][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.747789][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.795637][ T8807] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 579.861734][ T8805] FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1046) [ 580.412286][ T8832] loop1: detected capacity change from 0 to 4096 [ 580.698423][ T8832] ntfs3(loop1): Failed to initialize $Secure (-22). [ 581.594370][ T8849] netlink: 4 bytes leftover after parsing attributes in process `syz.1.883'. [ 581.604032][ T8851] loop0: detected capacity change from 0 to 512 [ 581.726200][ T8851] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 581.732271][ T8855] batadv0: entered promiscuous mode [ 581.821282][ T8851] ext4 filesystem being mounted at /187/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 581.830267][ T8855] A link change request failed with some changes committed already. Interface batadv0 may have been left with an inconsistent configuration, please check. [ 581.856466][ T8858] loop3: detected capacity change from 0 to 128 [ 581.901703][ T8851] EXT4-fs warning (device loop0): verify_group_input:137: Cannot add at group 7 (only 1 groups) [ 581.928360][ T8858] affs: Unknown parameter 'nofilenametrunprotect' [ 582.200786][ T5833] usb 1-1: new high-speed USB device number 21 using dummy_hcd [ 582.370911][ T5833] usb 1-1: Using ep0 maxpacket: 8 [ 582.414926][ T5833] usb 1-1: unable to get BOS descriptor or descriptor too short [ 582.466079][ T5833] usb 1-1: config 64 has an invalid interface number: 1 but max is 0 [ 582.491157][ T5833] usb 1-1: config 64 has no interface number 0 [ 582.497547][ T5833] usb 1-1: config 64 interface 1 has no altsetting 0 [ 582.576813][ T5833] usb 1-1: New USB device found, idVendor=07ca, idProduct=c039, bcdDevice=9c.e1 [ 582.617665][ T5833] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 582.661062][ T5833] usb 1-1: Product: syz [ 582.672618][ T5833] usb 1-1: Manufacturer: syz [ 582.697622][ T5833] usb 1-1: SerialNumber: syz [ 583.271052][ T8874] netlink: 24 bytes leftover after parsing attributes in process `syz.0.884'. [ 583.403315][ T8876] loop3: detected capacity change from 0 to 512 [ 583.558783][ T8876] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 583.634464][ T8879] loop4: detected capacity change from 0 to 512 [ 583.661708][ T8879] EXT4-fs (loop4): Invalid log block size: 2539 [ 583.676607][ T8876] ext4 filesystem being mounted at /178/file2 supports timestamps until 2038-01-19 (0x7fffffff) [ 583.871556][ T8876] FAULT_INJECTION: forcing a failure. [ 583.871556][ T8876] name failslab, interval 1, probability 0, space 0, times 0 [ 583.926250][ T8876] CPU: 1 UID: 0 PID: 8876 Comm: syz.3.893 Not tainted syzkaller #0 PREEMPT(full) [ 583.926386][ T8876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 583.926458][ T8876] Call Trace: [ 583.926503][ T8876] [ 583.926549][ T8876] __dump_stack+0x26/0x30 [ 583.926700][ T8876] dump_stack_lvl+0x14c/0x1c0 [ 583.926856][ T8876] dump_stack+0x1e/0x25 [ 583.926988][ T8876] should_fail_ex+0x7e2/0x8c0 [ 583.927171][ T8876] should_failslab+0x158/0x200 [ 583.927339][ T8876] __kmalloc_noprof+0x1e0/0x1680 [ 583.927504][ T8876] ? kfree+0x20/0x1130 [ 583.927644][ T8876] ? tomoyo_file_ioctl+0x3d/0x50 [ 583.927803][ T8876] ? tomoyo_realpath_from_path+0xeb/0x9f0 [ 583.927963][ T8876] ? __msan_warning+0x1b/0x30 [ 583.928099][ T8876] ? filter_irq_stacks+0x13f/0x190 [ 583.928256][ T8876] ? kmsan_get_metadata+0xf1/0x160 [ 583.928415][ T8876] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 583.928588][ T8876] tomoyo_realpath_from_path+0xeb/0x9f0 [ 583.928756][ T8876] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 583.928927][ T8876] ? __srcu_read_lock+0x5e/0xd0 [ 583.929057][ T8876] tomoyo_path_number_perm+0x1d0/0x7d0 [ 583.929232][ T8876] ? kmsan_get_metadata+0xf1/0x160 [ 583.929447][ T8876] tomoyo_file_ioctl+0x3d/0x50 [ 583.929611][ T8876] security_file_ioctl+0x139/0x570 [ 583.929750][ T8876] __se_sys_ioctl+0xbb/0x400 [ 583.929906][ T8876] __x64_sys_ioctl+0x97/0xe0 [ 583.930071][ T8876] x64_sys_call+0x1975/0x3ea0 [ 583.930229][ T8876] do_syscall_64+0x134/0xf80 [ 583.930359][ T8876] ? clear_bhb_loop+0x50/0xa0 [ 583.930491][ T8876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 583.930622][ T8876] RIP: 0033:0x7f588859bf79 [ 583.930715][ T8876] 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 [ 583.930819][ T8876] RSP: 002b:00007f5889432028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 583.930939][ T8876] RAX: ffffffffffffffda RBX: 00007f5888815fa0 RCX: 00007f588859bf79 [ 583.931027][ T8876] RDX: 0000200000000880 RSI: 00000000c0c0583b RDI: 0000000000000005 [ 583.931108][ T8876] RBP: 00007f5889432090 R08: 0000000000000000 R09: 0000000000000000 [ 583.931196][ T8876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 583.931271][ T8876] R13: 00007f5888816038 R14: 00007f5888815fa0 R15: 00007ffd682dec28 [ 583.931396][ T8876] [ 583.992046][ T8883] loop1: detected capacity change from 0 to 128 [ 584.037828][ T8876] ERROR: Out of memory at tomoyo_realpath_from_path. [ 584.101428][ T5402] usb 5-1: new high-speed USB device number 31 using dummy_hcd [ 584.194961][ T8883] UDF-fs: error (device loop1): udf_read_tagged: read failed, block=256, location=256 [ 584.304062][ T8883] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 584.547059][ T5780] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 584.565893][ T5402] usb 5-1: Using ep0 maxpacket: 16 [ 584.608192][ T5402] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 584.706381][ T5402] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 584.777970][ T5402] usb 5-1: New USB device found, idVendor=05ac, idProduct=0323, bcdDevice= 0.00 [ 584.840656][ T5402] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 584.908349][ T5402] usb 5-1: config 0 descriptor?? [ 584.967814][ T5833] cx231xx 1-1:64.1: New device syz syz @ 480 Mbps (07ca:c039) with 1 interfaces [ 585.073441][ T5833] cx231xx 1-1:64.1: Not found matching IAD interface [ 585.159945][ T5833] usb 1-1: USB disconnect, device number 21 [ 585.333612][ T5786] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 585.347956][ T8890] FAULT_INJECTION: forcing a failure. [ 585.347956][ T8890] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 585.376699][ T8890] CPU: 0 UID: 0 PID: 8890 Comm: syz.1.897 Not tainted syzkaller #0 PREEMPT(full) [ 585.376837][ T8890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 585.376909][ T8890] Call Trace: [ 585.376953][ T8890] [ 585.377013][ T8890] __dump_stack+0x26/0x30 [ 585.377157][ T8890] dump_stack_lvl+0x14c/0x1c0 [ 585.377300][ T8890] dump_stack+0x1e/0x25 [ 585.377430][ T8890] should_fail_ex+0x7e2/0x8c0 [ 585.377600][ T8890] should_fail+0x2a/0x40 [ 585.377738][ T8890] should_fail_usercopy+0x2e/0x40 [ 585.377895][ T8890] _copy_from_user+0x33/0x100 [ 585.378051][ T8890] __sys_bpf+0x2c8/0xee0 [ 585.378213][ T8890] __x64_sys_bpf+0xa4/0xf0 [ 585.378382][ T8890] x64_sys_call+0x13d0/0x3ea0 [ 585.378530][ T8890] do_syscall_64+0x134/0xf80 [ 585.378653][ T8890] ? clear_bhb_loop+0x50/0xa0 [ 585.378788][ T8890] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 585.378915][ T8890] RIP: 0033:0x7f58bcd9bf79 [ 585.379114][ T8890] 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 [ 585.379220][ T8890] RSP: 002b:00007f58bdc84028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 585.379350][ T8890] RAX: ffffffffffffffda RBX: 00007f58bd015fa0 RCX: 00007f58bcd9bf79 [ 585.379438][ T8890] RDX: 0000000000000094 RSI: 0000200000000400 RDI: 0000000000000005 [ 585.379523][ T8890] RBP: 00007f58bdc84090 R08: 0000000000000000 R09: 0000000000000000 [ 585.379600][ T8890] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 585.379670][ T8890] R13: 00007f58bd016038 R14: 00007f58bd015fa0 R15: 00007fffdbf14c88 [ 585.379798][ T8890] [ 585.706743][ T5402] usbhid 5-1:0.0: can't add hid device: -71 [ 585.713365][ T5402] usbhid 5-1:0.0: probe with driver usbhid failed with error -71 [ 585.761480][ T5402] usb 5-1: USB disconnect, device number 31 [ 586.179084][ T8900] input: syz0 as /devices/virtual/input/input22 [ 587.719720][ T8933] netlink: 'syz.3.907': attribute type 8 has an invalid length. [ 588.621863][ T8952] loop4: detected capacity change from 0 to 8 [ 588.668629][ T5402] usb 4-1: new high-speed USB device number 25 using dummy_hcd [ 588.845254][ T5402] usb 4-1: Using ep0 maxpacket: 16 [ 588.900328][ T5402] usb 4-1: config 0 has an invalid interface number: 214 but max is 0 [ 588.951088][ T5402] usb 4-1: config 0 has no interface number 0 [ 588.957465][ T5402] usb 4-1: config 0 interface 214 altsetting 0 endpoint 0x83 has invalid wMaxPacketSize 0 [ 589.032632][ T5402] usb 4-1: New USB device found, idVendor=0596, idProduct=0001, bcdDevice= 5.f5 [ 589.070842][ T5402] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 589.127339][ T5402] usb 4-1: Product: syz [ 589.148281][ T5402] usb 4-1: Manufacturer: syz [ 589.181001][ T5402] usb 4-1: SerialNumber: syz [ 589.235965][ T5402] usb 4-1: config 0 descriptor?? [ 590.691537][ T8951] overlayfs: failed to resolve './file0': -2 [ 591.938050][ T8951] loop1: detected capacity change from 0 to 32768 [ 592.035717][ T8951] XFS (loop1): Mounting V5 Filesystem 986211a9-7d00-4ebf-a576-e3de63fa2cbd [ 592.221025][ T8973] loop0: detected capacity change from 0 to 128 [ 592.313519][ T5402] usbtouchscreen 4-1:0.214: probe with driver usbtouchscreen failed with error -71 [ 592.351666][ T5402] usb 4-1: USB disconnect, device number 25 [ 592.417965][ T8951] XFS (loop1): Ending clean mount [ 592.428481][ T8951] XFS (loop1): Unmounting Filesystem 986211a9-7d00-4ebf-a576-e3de63fa2cbd [ 592.933043][ T8973] overlay: filesystem on ./file0 not supported [ 593.431520][ T8981] netlink: 'syz.4.923': attribute type 8 has an invalid length. [ 593.971463][ T8986] netlink: 8 bytes leftover after parsing attributes in process `syz.0.926'. [ 594.007418][ T8989] loop2: detected capacity change from 0 to 8 [ 594.014783][ T5402] usb 4-1: new full-speed USB device number 26 using dummy_hcd [ 594.084488][ T8989] FAULT_INJECTION: forcing a failure. [ 594.084488][ T8989] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 594.171028][ T8989] CPU: 1 UID: 0 PID: 8989 Comm: syz.2.927 Not tainted syzkaller #0 PREEMPT(full) [ 594.171161][ T8989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 594.171239][ T8989] Call Trace: [ 594.171285][ T8989] [ 594.171334][ T8989] __dump_stack+0x26/0x30 [ 594.171484][ T8989] dump_stack_lvl+0x14c/0x1c0 [ 594.171646][ T8989] dump_stack+0x1e/0x25 [ 594.171780][ T8989] should_fail_ex+0x7e2/0x8c0 [ 594.171965][ T8989] should_fail_alloc_page+0x222/0x240 [ 594.172162][ T8989] __alloc_frozen_pages_noprof+0x374/0x1020 [ 594.172364][ T8989] alloc_pages_mpol+0x328/0x860 [ 594.172548][ T8989] vma_alloc_folio_noprof+0x381/0x870 [ 594.172764][ T8989] do_pte_missing+0x3f66/0x73d0 [ 594.172938][ T8989] ? stack_depot_save_flags+0x35/0x790 [ 594.173093][ T8989] ? kmsan_get_metadata+0xf1/0x160 [ 594.173256][ T8989] ? kmsan_get_metadata+0xf1/0x160 [ 594.173449][ T8989] handle_mm_fault+0x2d96/0x6fc0 [ 594.173715][ T8989] do_user_addr_fault+0xfd1/0x2510 [ 594.173928][ T8989] exc_page_fault+0x70/0xb0 [ 594.174056][ T8989] asm_exc_page_fault+0x2b/0x30 [ 594.174183][ T8989] RIP: 0010:filldir+0x509/0xda0 [ 594.174350][ T8989] Code: 00 00 00 00 48 8b 9d 58 ff ff ff 48 89 5d c8 48 8b 85 50 ff ff ff 48 85 c0 4c 8b 75 90 4c 8b a5 68 ff ff ff 0f 85 9f 06 00 00 <49> 89 5d 00 48 85 c0 0f 85 ad 06 00 00 48 8d 75 c8 ba 08 00 00 00 [ 594.174459][ T8989] RSP: 0018:ffff888071037ba8 EFLAGS: 00050246 [ 594.174570][ T8989] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000233d13 [ 594.174656][ T8989] RDX: ffff888070c37c40 RSI: 0000000000000001 RDI: ffff888071037c40 [ 594.174746][ T8989] RBP: ffff888071037c78 R08: ffffea000000000f R09: 0000000000000000 [ 594.174836][ T8989] R10: ffff888070837c40 R11: 00000000abcd0100 R12: 0000200000004980 [ 594.174929][ T8989] R13: 0000200000004988 R14: ffff888071037e20 R15: ffff888071037e18 [ 594.175054][ T8989] ? filldir+0x4d8/0xda0 [ 594.175234][ T8989] ? __pfx_filldir+0x10/0x10 [ 594.175382][ T8989] cramfs_readdir+0xa1e/0xd70 [ 594.175550][ T8989] ? __pfx_cramfs_readdir+0x10/0x10 [ 594.175690][ T8989] iterate_dir+0x459/0x630 [ 594.175851][ T8989] __se_sys_getdents+0x182/0x560 [ 594.176001][ T8989] ? ksys_write+0x3ac/0x470 [ 594.176140][ T8989] ? __pfx_filldir+0x10/0x10 [ 594.176296][ T8989] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 594.176474][ T8989] __x64_sys_getdents+0x97/0xe0 [ 594.176644][ T8989] x64_sys_call+0x1150/0x3ea0 [ 594.176802][ T8989] do_syscall_64+0x134/0xf80 [ 594.176933][ T8989] ? clear_bhb_loop+0x50/0xa0 [ 594.177070][ T8989] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 594.177208][ T8989] RIP: 0033:0x7f39aa19bf79 [ 594.177303][ T8989] 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 [ 594.177416][ T8989] RSP: 002b:00007f39ab025028 EFLAGS: 00000246 ORIG_RAX: 000000000000004e [ 594.177534][ T8989] RAX: ffffffffffffffda RBX: 00007f39aa415fa0 RCX: 00007f39aa19bf79 [ 594.177628][ T8989] RDX: 00000000000000b1 RSI: 0000200000004980 RDI: 0000000000000004 [ 594.177714][ T8989] RBP: 00007f39ab025090 R08: 0000000000000000 R09: 0000000000000000 [ 594.177797][ T8989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 594.177874][ T8989] R13: 00007f39aa416038 R14: 00007f39aa415fa0 R15: 00007ffe353026b8 [ 594.178003][ T8989] [ 594.332523][ T5402] usb 4-1: config 1 has an invalid interface number: 128 but max is 1 [ 595.258303][ T5402] usb 4-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 595.330739][ T5402] usb 4-1: config 1 has 1 interface, different from the descriptor's value: 2 [ 595.388810][ T5402] usb 4-1: config 1 has no interface number 0 [ 595.475809][ T5402] usb 4-1: config 1 interface 128 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 1 [ 595.499407][ T9000] overlayfs: failed to resolve './file0': -2 [ 596.094352][ T5402] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 596.130909][ T5402] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 596.178279][ T5402] usb 4-1: Product: syz [ 596.201088][ T5402] usb 4-1: Manufacturer: syz [ 596.250600][ T5402] usb 4-1: SerialNumber: syz [ 596.325772][ T5402] cdc_wdm 4-1:1.128: skipping garbage [ 596.384942][ T5402] cdc_wdm 4-1:1.128: probe with driver cdc_wdm failed with error -22 [ 596.891154][ T9009] loop3: detected capacity change from 0 to 1024 [ 597.022842][ T9011] i2c i2c-0: Frontend requested software zigzag, but didn't set the frequency step size [ 597.115926][ T9005] loop0: detected capacity change from 0 to 8192 [ 597.144069][ T9009] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 597.211097][ T9009] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 597.329513][ T9005] FAT-fs (loop0): error, invalid access to FAT (entry 0x0000e1b1) [ 597.356628][ T9005] FAT-fs (loop0): Filesystem has been set read-only [ 597.398356][ T9005] FAT-fs (loop0): error, invalid access to FAT (entry 0x0000e1b1) [ 597.474970][ T9005] FAT-fs (loop0): error, invalid access to FAT (entry 0x0000e1b1) [ 597.525318][ T9005] syz.0.933: attempt to access beyond end of device [ 597.525318][ T9005] loop0: rw=8388608, sector=57847, nr_sectors = 1 limit=8192 [ 597.594779][ T9005] Buffer I/O error on dev loop0, logical block 57847, async page read [ 597.639709][ T9005] FAT-fs (loop0): error, invalid access to FAT (entry 0x0000e1b1) [ 597.673661][ T9005] FAT-fs (loop0): error, invalid access to FAT (entry 0x0000e1b1) [ 597.703808][ T9005] FAT-fs (loop0): error, invalid access to FAT (entry 0x0000e1b1) [ 597.753394][ T29] audit: type=1800 audit(1771129189.055:68): pid=9005 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.0.933" name="file2" dev="loop0" ino=1048674 res=0 errno=0 [ 598.308386][ T9023] A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. [ 598.460209][ T5831] usb 4-1: USB disconnect, device number 26 [ 599.355715][ T9037] bond1: option updelay: invalid value (18446744073709551612) [ 599.405211][ T9037] bond1: option updelay: allowed values 0 - 2147483647 [ 599.447135][ T9037] bond1 (unregistering): Released all slaves [ 600.434706][ T9059] sch_tbf: burst 19872 is lower than device lo mtu (65550) ! [ 602.686373][ T9101] vlan2: entered promiscuous mode [ 602.726649][ T9101] bridge0: entered promiscuous mode [ 606.692631][ T9142] loop0: detected capacity change from 0 to 128 [ 606.752617][ T9142] FAT-fs (loop0): Directory bread(block 524322) failed [ 606.771678][ T9145] loop3: detected capacity change from 0 to 16 [ 606.780773][ T9142] FAT-fs (loop0): Directory bread(block 524323) failed [ 606.819290][ T9142] FAT-fs (loop0): Directory bread(block 524324) failed [ 606.838941][ T9145] erofs (device loop3): invalid ishare xattr prefix id 0 [ 606.867181][ T9142] FAT-fs (loop0): Directory bread(block 524325) failed [ 606.898262][ T9142] FAT-fs (loop0): Directory bread(block 524326) failed [ 606.940775][ T9142] FAT-fs (loop0): Directory bread(block 524327) failed [ 606.968778][ T9142] FAT-fs (loop0): Directory bread(block 524328) failed [ 606.996961][ T9142] FAT-fs (loop0): Directory bread(block 524329) failed [ 607.052214][ T9142] FAT-fs (loop0): Directory bread(block 524322) failed [ 607.083561][ T9142] FAT-fs (loop0): Directory bread(block 524323) failed [ 609.964472][ T9159] overlayfs: "xino" feature enabled using 3 upper inode bits. [ 610.343729][ T9166] syzkaller0: entered promiscuous mode [ 610.349435][ T9166] syzkaller0: entered allmulticast mode [ 611.038400][ T9177] loop0: detected capacity change from 0 to 128 [ 612.033727][ T9189] loop0: detected capacity change from 0 to 1764 [ 612.862902][ T9202] netlink: 4 bytes leftover after parsing attributes in process `syz.3.1006'. [ 613.300686][ T9202] bond1: Invalid ad_actor_system MAC address. [ 613.337604][ T9202] bond1: option ad_actor_system: invalid value (1) [ 613.369699][ T9202] bond1 (unregistering): Released all slaves [ 614.133154][ T9218] overlayfs: failed to clone upperpath [ 615.388156][ T9243] x_tables: ip_tables: osf match: only valid for protocol 6 [ 617.468398][ T9251] overlayfs: failed to clone upperpath [ 617.516205][ T9250] overlayfs: failed to decode file handle (len=0, type=248, flags=0, err=-22) [ 617.662000][ T9246] A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. [ 619.617193][ T9267] netlink: 8 bytes leftover after parsing attributes in process `syz.1.1031'. [ 621.412285][ T9293] overlayfs: failed to clone upperpath [ 621.476068][ T9286] loop4: detected capacity change from 0 to 8192 [ 621.732019][ T9286] FAT-fs (loop4): error, clusters badly computed (2 != 1) [ 621.739529][ T9286] FAT-fs (loop4): Filesystem has been set read-only [ 622.289472][ T9304] fuse: Bad value for 'fd' [ 622.332774][ T9305] overlayfs: failed to verify upper (215/file0, ino=1188, err=-116) [ 622.355535][ T9305] overlayfs: failed to verify index dir 'upper' xattr [ 622.412560][ T9305] overlayfs: try deleting index dir or mounting with '-o index=off' to disable inodes index. [ 624.509905][ T9340] loop4: detected capacity change from 0 to 256 [ 624.548784][ T9340] FAT-fs (loop4): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! [ 624.666276][ T9340] FAT-fs (loop4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 625.851264][ T9364] netlink: 'syz.1.1073': attribute type 4 has an invalid length. [ 626.685252][ T9377] netlink: 12 bytes leftover after parsing attributes in process `syz.3.1079'. [ 626.811086][ T9384] loop4: detected capacity change from 0 to 256 [ 627.025550][ T9377] bond1: entered promiscuous mode [ 627.066961][ T9377] 8021q: adding VLAN 0 to HW filter on device bond1 [ 627.245806][ T9392] loop0: detected capacity change from 0 to 256 [ 627.386148][ T9392] FAT-fs (loop0): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 627.461225][ T9383] bridge1: entered promiscuous mode [ 627.536560][ T9383] bond1: (slave bridge1): Enslaving as an active interface with an up link [ 628.818770][ T9415] netlink: 8 bytes leftover after parsing attributes in process `syz.0.1093'. [ 628.866673][ T9419] loop3: detected capacity change from 0 to 256 [ 629.625590][ T9425] loop2: detected capacity change from 0 to 128 [ 629.675366][ T9425] FAT-fs (loop2): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! [ 629.728538][ T9429] loop3: detected capacity change from 0 to 256 [ 629.747963][ T9425] FAT-fs (loop2): Invalid FSINFO signature: 0x41615252, 0x80417272 (sector = 1) [ 629.877491][ T9429] FAT-fs (loop3): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 630.220792][ T1084] FAT-fs (loop2): Invalid FSINFO signature: 0x41615252, 0x80417272 (sector = 1) [ 631.558867][ T9455] loop0: detected capacity change from 0 to 256 [ 633.144277][ T9478] loop2: detected capacity change from 0 to 7 [ 633.190046][ T9478] Dev loop2: unable to read RDB block 7 [ 633.231310][ T9478] loop2: unable to read partition table [ 633.258962][ T9478] loop2: partition table beyond EOD, truncated [ 633.281052][ T9478] loop_reread_partitions: partition scan of loop2 (被x ) failed (rc=-5) [ 634.086357][ T1296] ieee802154 phy0 wpan0: encryption failed: -22 [ 634.098744][ T1296] ieee802154 phy1 wpan1: encryption failed: -22 [ 634.154128][ T9495] loop3: detected capacity change from 0 to 128 [ 634.256199][ T9495] FAT-fs (loop3): Directory bread(block 32) failed [ 634.281229][ T9495] FAT-fs (loop3): Directory bread(block 33) failed [ 634.299602][ T9495] FAT-fs (loop3): Directory bread(block 34) failed [ 634.319300][ T9495] FAT-fs (loop3): Directory bread(block 35) failed [ 634.345038][ T9495] FAT-fs (loop3): Directory bread(block 36) failed [ 634.367101][ T9495] FAT-fs (loop3): Directory bread(block 37) failed [ 634.380348][ T9495] FAT-fs (loop3): Directory bread(block 38) failed [ 634.391218][ T9495] FAT-fs (loop3): Directory bread(block 39) failed [ 634.398569][ T9495] FAT-fs (loop3): Directory bread(block 40) failed [ 634.409842][ T9495] FAT-fs (loop3): Directory bread(block 41) failed [ 634.765751][ T9495] syz.3.1125: attempt to access beyond end of device [ 634.765751][ T9495] loop3: rw=8388608, sector=4108, nr_sectors = 4 limit=128 [ 635.561699][ T9515] CUSE: unknown device info "KJ H+ۤ2LhnL1`Ccn80(3նi>f_ٮ,<_eF" [ 635.582346][ T9515] CUSE: unknown device info "3ܟ,̘" [ 635.620852][ T9515] CUSE: unknown device info "J2S Z !e/J+-na4D|G$jg7(5O~q [ 635.620852][ T9515] fzXSAxjTǔw xRɐQ(hҏj pVdY0|M?2JIv^R@" [ 635.694066][ T9515] CUSE: unknown device info "!To}ݝ&|L+Uoϲ"FstV:׌E gJ<@c4TM" [ 635.718371][ T9515] CUSE: DEVNAME unspecified [ 636.049528][ T9519] evm: overlay not supported [ 636.099975][ T9519] overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 636.120335][ T9523] loop3: detected capacity change from 0 to 256 [ 636.358515][ T9525] A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. [ 636.809461][ T9535] overlayfs: failed to clone upperpath [ 638.607791][ T9569] fuse: Bad value for 'fd' [ 639.978221][ T29] audit: type=1800 audit(1771129231.285:69): pid=9584 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.2.1160" name="/" dev="fuse" ino=4 res=0 errno=0 [ 640.692262][ T9608] fuse: Bad value for 'fd' [ 642.016036][ C1] hrtimer: interrupt took 385629 ns [ 642.934657][ T9644] loop2: detected capacity change from 0 to 7 [ 643.001265][ T9644] Dev loop2: unable to read RDB block 7 [ 643.037668][ T9644] loop2: AHDI p1 p2 p3 [ 643.047879][ T9644] loop2: partition table partially beyond EOD, truncated [ 643.092252][ T9644] loop2: p1 start 1601398130 is beyond EOD, truncated [ 643.120879][ T9644] loop2: p2 start 1702059890 is beyond EOD, truncated [ 644.046800][ T9657] bridge0: port 2(bridge_slave_1) entered disabled state [ 645.391786][ T29] audit: type=1800 audit(1771129236.705:70): pid=9673 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.3.1197" name="/" dev="fuse" ino=4 res=0 errno=0 [ 645.804809][ T9688] loop3: detected capacity change from 0 to 256 [ 647.423417][ T9715] overlayfs: failed to resolve './bus': -2 [ 651.014294][ T9776] netlink: 28 bytes leftover after parsing attributes in process `syz.2.1238'. [ 651.051968][ T9776] netlink: 8 bytes leftover after parsing attributes in process `syz.2.1238'. [ 651.822055][ T9786] loop2: detected capacity change from 0 to 164 [ 652.889851][ T9803] netlink: 28 bytes leftover after parsing attributes in process `syz.2.1250'. [ 652.922243][ T9803] netlink: 8 bytes leftover after parsing attributes in process `syz.2.1250'. [ 653.018489][ T9807] loop3: detected capacity change from 0 to 512 [ 653.342999][ T9809] netlink: 136 bytes leftover after parsing attributes in process `syz.1.1253'. [ 653.401313][ T9809] A link change request failed with some changes committed already. Interface erspan0 may have been left with an inconsistent configuration, please check. [ 653.656073][ T9812] loop3: detected capacity change from 0 to 128 [ 653.786967][ T9812] FAT-fs (loop3): Directory bread(block 32) failed [ 653.835036][ T9812] FAT-fs (loop3): Directory bread(block 33) failed [ 653.842498][ T9812] FAT-fs (loop3): Directory bread(block 34) failed [ 653.849402][ T9812] FAT-fs (loop3): Directory bread(block 35) failed [ 653.900833][ T9812] FAT-fs (loop3): Directory bread(block 36) failed [ 653.907742][ T9812] FAT-fs (loop3): Directory bread(block 37) failed [ 653.961400][ T9812] FAT-fs (loop3): Directory bread(block 38) failed [ 653.969180][ T9812] FAT-fs (loop3): Directory bread(block 39) failed [ 654.010789][ T9812] FAT-fs (loop3): Directory bread(block 40) failed [ 654.017621][ T9812] FAT-fs (loop3): Directory bread(block 41) failed [ 655.933916][ T9837] netlink: 28 bytes leftover after parsing attributes in process `syz.1.1265'. [ 655.963644][ T9837] netlink: 8 bytes leftover after parsing attributes in process `syz.1.1265'. [ 656.084524][ T9826] overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. [ 656.173393][ T9844] loop4: detected capacity change from 0 to 256 [ 656.973186][ T9854] x_tables: ip_tables: osf match: only valid for protocol 6 [ 659.739983][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 659.774281][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 659.847424][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 659.942855][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 659.992966][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 660.038166][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 660.112817][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 660.153492][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 660.199196][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 660.222803][ T9874] netlink: 8 bytes leftover after parsing attributes in process `syz.3.1280'. [ 660.276046][ T9874] A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. [ 660.879989][ T9879] overlayfs: failed to clone upperpath [ 661.009309][ T9891] x_tables: ip_tables: osf match: only valid for protocol 6 [ 666.321645][ T9939] overlayfs: failed to clone upperpath [ 667.584351][ T9957] loop2: detected capacity change from 0 to 256 [ 670.744678][ T9985] loop3: detected capacity change from 0 to 128 [ 671.233924][ T9987] __nla_validate_parse: 1 callbacks suppressed [ 671.234000][ T9987] netlink: 28 bytes leftover after parsing attributes in process `syz.1.1328'. [ 671.330019][ T9987] netlink: 8 bytes leftover after parsing attributes in process `syz.1.1328'. [ 673.817645][T10022] loop4: detected capacity change from 0 to 128 [ 674.151529][T10025] netlink: 28 bytes leftover after parsing attributes in process `syz.2.1342'. [ 674.193168][T10025] netlink: 8 bytes leftover after parsing attributes in process `syz.2.1342'. [ 676.126366][T10057] loop3: detected capacity change from 0 to 128 [ 677.794953][T10080] x_tables: ip_tables: osf match: only valid for protocol 6 [ 681.549976][T10114] bridge0: port 2(bridge_slave_1) entered disabled state [ 682.138346][T10128] x_tables: ip_tables: osf match: only valid for protocol 6 [ 685.162552][T10143] fuse: Bad value for 'fd' [ 686.673251][T10157] netlink: 64 bytes leftover after parsing attributes in process `syz.3.1393'. [ 689.780992][T10192] netlink: 20 bytes leftover after parsing attributes in process `syz.1.1405'. [ 695.266197][T10241] fuse: Bad value for 'fd' [ 695.532815][ T1296] ieee802154 phy0 wpan0: encryption failed: -22 [ 695.561282][ T1296] ieee802154 phy1 wpan1: encryption failed: -22 [ 697.359898][T10273] x_tables: ip_tables: osf match: only valid for protocol 6 [ 698.721049][T10278] fuse: Bad value for 'fd' [ 700.586424][T10289] netlink: 'syz.1.1436': attribute type 4 has an invalid length. [ 701.348232][T10296] fuse: Bad value for 'fd' [ 704.608129][T10332] netlink: 28 bytes leftover after parsing attributes in process `syz.2.1450'. [ 704.713377][T10335] netlink: 8 bytes leftover after parsing attributes in process `syz.2.1450'. [ 708.470335][T10375] netlink: 136 bytes leftover after parsing attributes in process `syz.1.1461'. [ 708.512202][T10375] A link change request failed with some changes committed already. Interface erspan0 may have been left with an inconsistent configuration, please check. [ 708.902133][T10382] overlayfs: missing 'lowerdir' [ 711.210331][T10401] netlink: 12 bytes leftover after parsing attributes in process `syz.3.1471'. [ 711.987736][T10411] netlink: 136 bytes leftover after parsing attributes in process `syz.2.1475'. [ 712.216525][T10411] A link change request failed with some changes committed already. Interface erspan0 may have been left with an inconsistent configuration, please check. [ 713.642220][T10418] overlayfs: missing 'lowerdir' [ 716.073263][T10438] loop2: detected capacity change from 0 to 7 [ 716.135334][T10438] Dev loop2: unable to read RDB block 7 [ 716.191125][T10438] loop2: unable to read partition table [ 716.219282][T10438] loop2: partition table beyond EOD, truncated [ 716.258324][T10438] loop_reread_partitions: partition scan of loop2 (被x ) failed (rc=-5) [ 716.716735][T10441] netlink: 12 bytes leftover after parsing attributes in process `syz.0.1483'. [ 718.556809][T10477] x_tables: ip_tables: osf match: only valid for protocol 6 [ 719.558866][T10489] netlink: 12 bytes leftover after parsing attributes in process `syz.1.1505'. [ 721.132444][T10518] x_tables: ip_tables: osf match: only valid for protocol 6 [ 721.311277][T10521] fuse: Unknown parameter 'grou00000000000000000000' [ 721.562434][T10523] fuse: Bad value for 'fd' [ 722.952629][T10542] A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. [ 723.201476][T10551] fuse: Unknown parameter 'grou00000000000000000000' [ 723.885872][T10555] fuse: Bad value for 'fd' [ 726.199305][T10564] x_tables: ip_tables: osf match: only valid for protocol 6 [ 727.155365][T10579] overlayfs: missing 'lowerdir' [ 727.964650][T10584] loop4: detected capacity change from 0 to 8192 [ 730.821377][T10618] x_tables: ip_tables: osf match: only valid for protocol 6 [ 730.872679][T10617] overlayfs: missing 'lowerdir' [ 732.324414][T10640] ===================================================== [ 732.331878][T10640] BUG: KMSAN: uninit-value in fuse_dentry_revalidate+0x150/0x13d0 [ 732.339893][T10640] fuse_dentry_revalidate+0x150/0x13d0 [ 732.345740][T10640] __lookup_slow+0x2ea/0x770 [ 732.350685][T10640] lookup_slow+0x6a/0xd0 [ 732.355255][T10640] link_path_walk+0x170f/0x2650 [ 732.360239][T10640] path_lookupat+0x107/0xdf0 [ 732.365242][T10640] filename_lookup+0x2bc/0x800 [ 732.370146][T10640] __se_sys_fspick+0x13d/0x690 [ 732.375237][T10640] __x64_sys_fspick+0x97/0xe0 [ 732.380064][T10640] x64_sys_call+0x24ee/0x3ea0 [ 732.385050][T10640] do_syscall_64+0x134/0xf80 [ 732.389788][T10640] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 732.396292][T10640] [ 732.398700][T10640] Uninit was created at: [ 732.404315][T10640] kmem_cache_alloc_lru_noprof+0x382/0x1280 [ 732.411207][T10640] __d_alloc+0x55/0xa00 [ 732.415592][T10640] d_alloc_parallel+0x99/0x2740 [ 732.420749][T10640] path_openat+0x135f/0x64c0 [ 732.425501][T10640] do_file_open+0x2aa/0x680 [ 732.430558][T10640] do_sys_openat2+0x163/0x380 [ 732.435461][T10640] __x64_sys_openat+0x240/0x300 [ 732.440690][T10640] x64_sys_call+0x2445/0x3ea0 [ 732.445554][T10640] do_syscall_64+0x134/0xf80 [ 732.450294][T10640] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 732.456472][T10640] [ 732.458906][T10640] CPU: 0 UID: 0 PID: 10640 Comm: syz.3.1559 Not tainted syzkaller #0 PREEMPT(full) [ 732.468563][T10640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 732.478870][T10640] ===================================================== [ 732.486020][T10640] Disabling lock debugging due to kernel taint [ 732.606976][T10640] Kernel panic - not syncing: kmsan.panic set ... [ 732.613570][T10640] CPU: 1 UID: 0 PID: 10640 Comm: syz.3.1559 Tainted: G B syzkaller #0 PREEMPT(full) [ 732.624706][T10640] Tainted: [B]=BAD_PAGE [ 732.628949][T10640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 732.639211][T10640] Call Trace: [ 732.642669][T10640] [ 732.645691][T10640] __dump_stack+0x26/0x30 [ 732.650293][T10640] dump_stack_lvl+0x50/0x1c0 [ 732.655053][T10640] ? dump_stack+0x12/0x25 [ 732.659640][T10640] dump_stack+0x1e/0x25 [ 732.663977][T10640] vpanic+0x7b4/0x1430 [ 732.668249][T10640] panic+0x15d/0x160 [ 732.672354][T10640] kmsan_report+0x31a/0x320 [ 732.677020][T10640] ? __msan_warning+0x1b/0x30 [ 732.681841][T10640] ? fuse_dentry_revalidate+0x150/0x13d0 [ 732.687621][T10640] ? __lookup_slow+0x2ea/0x770 [ 732.692613][T10640] ? lookup_slow+0x6a/0xd0 [ 732.697153][T10640] ? link_path_walk+0x170f/0x2650 [ 732.702383][T10640] ? path_lookupat+0x107/0xdf0 [ 732.707357][T10640] ? filename_lookup+0x2bc/0x800 [ 732.712503][T10640] ? __se_sys_fspick+0x13d/0x690 [ 732.717565][T10640] ? __x64_sys_fspick+0x97/0xe0 [ 732.722809][T10640] ? x64_sys_call+0x24ee/0x3ea0 [ 732.727818][T10640] ? do_syscall_64+0x134/0xf80 [ 732.733254][T10640] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 732.739545][T10640] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 732.746041][T10640] ? kmsan_get_metadata+0xf1/0x160 [ 732.751333][T10640] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 732.757312][T10640] ? kmsan_get_metadata+0xf1/0x160 [ 732.762592][T10640] ? kmsan_internal_set_shadow_origin+0x7a/0x110 [ 732.769086][T10640] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 732.775312][T10640] ? _raw_spin_unlock+0x30/0x50 [ 732.780323][T10640] ? __dentry_kill+0x9a8/0xb20 [ 732.785242][T10640] ? kmsan_get_metadata+0xf1/0x160 [ 732.790534][T10640] __msan_warning+0x1b/0x30 [ 732.795184][T10640] fuse_dentry_revalidate+0x150/0x13d0 [ 732.800812][T10640] ? d_alloc_parallel+0x2714/0x2740 [ 732.806153][T10640] ? __pfx_default_wake_function+0x10/0x10 [ 732.812220][T10640] ? kmsan_get_metadata+0xf1/0x160 [ 732.817488][T10640] ? __pfx_fuse_dentry_revalidate+0x10/0x10 [ 732.823600][T10640] ? __pfx_fuse_dentry_revalidate+0x10/0x10 [ 732.829678][T10640] __lookup_slow+0x2ea/0x770 [ 732.834443][T10640] lookup_slow+0x6a/0xd0 [ 732.838914][T10640] link_path_walk+0x170f/0x2650 [ 732.843955][T10640] path_lookupat+0x107/0xdf0 [ 732.848677][T10640] ? kmsan_get_metadata+0xf1/0x160 [ 732.854071][T10640] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 732.860249][T10640] filename_lookup+0x2bc/0x800 [ 732.865245][T10640] ? kmsan_get_metadata+0xf1/0x160 [ 732.870589][T10640] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 732.876733][T10640] __se_sys_fspick+0x13d/0x690 [ 732.882256][T10640] ? kmsan_get_shadow_origin_ptr+0x4a/0xb0 [ 732.888334][T10640] __x64_sys_fspick+0x97/0xe0 [ 732.893146][T10640] x64_sys_call+0x24ee/0x3ea0 [ 732.897996][T10640] do_syscall_64+0x134/0xf80 [ 732.902720][T10640] ? clear_bhb_loop+0x50/0xa0 [ 732.907541][T10640] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 732.913575][T10640] RIP: 0033:0x7f588859bf79 [ 732.918087][T10640] 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 [ 732.938195][T10640] RSP: 002b:00007f5889411028 EFLAGS: 00000246 ORIG_RAX: 00000000000001b1 [ 732.946863][T10640] RAX: ffffffffffffffda RBX: 00007f5888816090 RCX: 00007f588859bf79 [ 732.955053][T10640] RDX: 0000000000000000 RSI: 0000200000002380 RDI: 0000000000000005 [ 732.963135][T10640] RBP: 00007f58886327e0 R08: 0000000000000000 R09: 0000000000000000 [ 732.971216][T10640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 732.979287][T10640] R13: 00007f5888816128 R14: 00007f5888816090 R15: 00007ffd682dec28 [ 732.987417][T10640] [ 732.991055][T10640] Kernel Offset: disabled [ 732.995605][T10640] Rebooting in 86400 seconds..