last executing test programs: 4.091870742s ago: executing program 2 (id=41): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/drivers/ahci/unbind\x00', 0x1, 0x0) write(r0, &(0x7f00000000c0)='0000:00:1f.2', 0xc) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/drivers/ehci-pci/new_id\x00', 0x1, 0x0) write(r1, &(0x7f0000000180)='8086 2922', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/pci/drivers/ehci-pci/bind\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='0000:00:1f.2', 0xc) syz_usb_connect(0x4, 0x0, 0x0, 0x0) 3.573081634s ago: executing program 2 (id=46): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='config/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='config/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r0, &(0x7f0000000180)='0x0525\x00', 0x6) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='config/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r1, &(0x7f0000000200)='0xa4a2\x00', 0x6) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='config/usb_gadget/g1/functions/rndis.usb0\x00', 0x1ff) symlinkat(&(0x7f00000002c0)='config/usb_gadget/g1/functions/rndis.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000300)='config/usb_gadget/g1/configs/c.1/rndis.usb0\x00') r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r2, &(0x7f0000000380)='dummy_udc.0\x00', 0xb) write(r2, &(0x7f00000003c0)='dummy_udc.1\x00', 0xb) write(r2, &(0x7f0000000400)='dummy_udc.2\x00', 0xb) write(r2, &(0x7f0000000440)='dummy_udc.3\x00', 0xb) 3.207208634s ago: executing program 2 (id=51): mkdir(&(0x7f0000000000)='dir0\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='dir0\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='dir0/trace_marker\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='dir0/per_cpu/cpu0/trace_pipe\x00', 0x0, 0x0) write(r0, &(0x7f0000000240)="62f5ff6ccf3d2ec97f0e4bc8a900d2e75067a5109d749cdf1ba00926335fdca4d6df9c6093533dbe86131af765f8be39df30e3e4f257006bf1826c92170c0a26ce80475f68f75b", 0x47) read(r1, &(0x7f0000000b00), 0x64) 3.192531523s ago: executing program 2 (id=52): syz_usb_connect(0x0, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x97, 0xff, 0x82, 0x8, 0x2058, 0x1005, 0xc19b, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x8f, 0x0, 0x0, 0xbf, 0x57, 0x5a}}]}}]}}, 0x0) mkdir(&(0x7f0000000040)='./sys\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='none\x00', &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, &(0x7f0000000140)) r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/devices/platform/dummy_hcd.0/uevent\x00', 0x0, 0x0) read(r0, &(0x7f00000001c0)=""/10, 0xa) 2.991575418s ago: executing program 0 (id=55): mkdir(&(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config/cluster/mycluster\x00', 0x1ff) openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/cluster/mycluster/heartbeat/dead_threshold\x00', 0x1, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00') 2.991525038s ago: executing program 0 (id=56): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/hotplug/target\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='196\n\x00', 0x4) 2.991457618s ago: executing program 0 (id=57): r0 = inotify_init() syz_usb_connect(0x2, 0x39, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000401e09030000000000000109022700010100c0320904000003ff0000000705810240000007050202400000070583034000"], &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0}) mkdir(&(0x7f0000000200)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./dev\x00', &(0x7f0000000300)='devtmpfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000400)='./dev/ttyUSB0\x00', 0x2, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 2.387531533s ago: executing program 3 (id=65): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000800), 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f0000002100)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) syz_fuse_handle_req(r0, &(0x7f00000083c0)="4e5350994ebf71ce3049a58c5d050078bf16b0757a4c27b455e2a547739587dd3380b5df8f40a0696c5bd6cdb672cffe4d870c5c90ca92095b9ebf3e92fe31d8cd74275d857d34a74f7eecc7fac15e2f148d4e9d47bb45b858bbf078999970d180f28d7b2cefd92635d45a563d9229c9fd770efdc0848e52fa5efd9ada5c94a1ba94b4b7c7507f8b0819bb20910f9f50a83a010abbe126dd9f6a7b84eab6b0d5ce78d2ade77a5f7e4e997df1d03ffab4b4c945d803e4457909013127a98769c938c237f37263bc509a42bc56ff2dbf80e847e2c407009eef94f18e1e59069d62298fdbadae007ffbdf403c5049a4530ac0abecceb5608da02754c9a575af52c0b7e41226e2d642a814861c4310c935bcbae413516dde2132652b39c7aa0218a6ce65dabb4494965209ce879ba7e7e59039db5c1d36d6a7f86d72dd59954fd6f46124a2506b245a0db11aa89d2feb312a6596ea2fecaa7b6021f37a255f628da7ff6b6c36b514d3b6be34e505f9dac6acfb888198004699fb350ac93431533554658c4957df36703591438d6488bc03dd8290a75ebb367a481a50e79a46b04d005649cabd79e5c6326c066bc2b6fc5febb87ef66d832ef31a16c2a450a0b990fb549a5d810c928d1a81fa1dc795db2607ac7d46cb5716b68acdeb00987e429fe6a394632c83b43336e7b51d9cfdb50e83d8c6ba1784d9f74c16b476e048e65e7ac0af683b347d7377ac1795422e00e5bd8da9b313af83abb3348861116de7a99959169b7dff9f7d9b7a6d107f2e76670a6214a419bf8298f80eb570fa29264ba57a383c5ec5836ce33104ecaf1aec76e311280a1d2c8bd7abff3a5a242e6a637f7db63038ef5d78aca9c680d72b60da4dbeb0e1e683ddc82898647c589a81b8f92db06711d8a0af05560cd77fa7005283db71e8da21713fccd450822062b994d152aaed2cdcf0dec9c60617e15ba4df628da4e71279bf9d1eee5c7f055c27cddfdd45f9225d5d5529ef7119e2e3c9838e7362971e069be487797e949b24297de19c61340d1cd7a2bfa3880b91a71e934720a59e1e0ea992d2a1633a0852ad8addfcab73a291e35745e694a6471f429b124305886c1f79f67c78de3f3ec998c91e7fc59d26766cd446f6f0de603f2c6892e13cdaa37d9e8e118d098b6986ccd991993ec152193e7d77394b05b99e7d310c506707f1be52249438fba9615f6dad2ec7244fedf36e34ec311b7d6bee64271d6491079e161190ded7e28e2ada4307a9b2986c267b1a30d2f720ff23408011f1d589ce9ee77f981c7833656ccf7df5b3a87ec253ff7c7ef1e67ceeb10c93e3fa683cdadad65850ffbc402b7744e94cdecef9db9d264c755c53d36278df23d4c9685fdefa69f7588a33b8a64b35191ee81abcb9765577d175cb06e31c582807ff7243bfef44961fbc0f8a235242f51ee991ea621803d4dcfed90d26f004b299425bf219f6d185fe6e088ae44601b03defada18794feac93787696a5d419f09f769bc590f43d2df6a131f6895da2de120c2644685e57b1d476c6aba5881e954fb2575356452b118b942cb02b4ea0fcf8f1bbb9a23b6e32c9d0accd3dd861452a3ad77b38fe709e216974932deb5397fd8033ff0e073d93ac0b4be762bca0424d69bd57b22ba914133f87671a29498b268c2911e793215463ca2164e38059456107dcb29beedfd6277e2b41a11d1c6f1361b19875c9384f04f9c53c1856d71f360a8fafe05f7aef750ec0cf2bfcfa971c017ad071b69a18fdaf970b384d4c889cfa5a0397dbe89543a5c6302645d6edf959aa60709ce0225fe6c3266c7ef62157ac8e78fddcd8a1f2ca5b58128218d19276885515775326aeeee0006cc810843eb05144bf8e2fe3340cf60b32cafd96d23cd7d0d3adcbdfec9a2a3d88307c362633b1c5637608ea8476d900b3f836a9734bc5862ef52983577128d3f74b903b0e3bf64326c1b564ae42aeeb0c07702b63a9ff74a2af6b45e5185a53f36c17bc29dfbc0ea28ca5cca43a15d751e9887ad3e6a87faacb6a278c4c8a8d21b9a77b9776f33102a6e645e99cc5cbc543ed0674282c2b9f8e5d14c2599aa9ac8f81438c77f2b9368bdac82edcdc5366f39adec9e9a3fbd55b79abc16d2ebff26b7d0c88f18b486e5836333575e3fc7808cb423b44781c57965767862922b4ff32d9bae76296843a46f430211c27ef9db168430026a5691623284dfd459dbdd1f1a6ec9bfad666507e6eacb1e2a7866da2e12e6d596d0bbb150500590013d9288af20596447f97bf1744eb9cfb244d8fca269b1fb71e14de664be4e95d83fff1d7abcfebcf3e78c1c66d28f260fb0c19f9fbcd2abbdd7dd7246e49dc25d954bf25f810a2ff6f9069dfdc62e7170fe3b0964b2ac95024256dfa3e7a426be5bb5f707fd82c2b3afec5d5dcf5bbb8fcb6dbc1b59f6c5330966c70d8b016956903a4278817414ba3652a102d7e7e37ecc79400267fc3bf7601c0731f87d479c33f100735e748874155267f708cea49d549e93cf7a398b20373dc90ad9afd56d9c77cd24e2c4a18f7130b366c7fe5b26bc4d11ca1ed1b98fa0b4d7396f82ae6593f4575d19f4d8fd586c991129e5cbe15c8bacc89c3ee15ca471dea966b5c48ede0d3ba2a7e28c75c04e6a4aa49a61f4e391ffe78eb5e40a5ef349f3aa4d15f2291cc86ec7e47ae301bf0b6083dae44b695820a893d46732553ef15ed1c16d28268d52a7e3a7e7c009d0c0708a356d3310c1ebcbcca4d7acf433e34bfc9fc115498142dcc725e7a16879c75e4c2f01c6c98b39619f3248bf530e6ee593467e38cf4026cfdc4db6296560000d587f3c580750b1453ecc141c0461495551297d88ae034acbd4f5e80ce198e6640c4c1e9501529988109cef006eb2090a6fcd974d7f60290b78f1a8ce3051ac2d69636c3219f0a6ad8c254764396a1684b2fd9805b1853525f2e640e513197283cc4d4073ac033e0539a88f08aabe1423cd40b8a7e073437d812b57a5d39a0531dcbe13f4466e89efc66c2a1e4b39a3e0b3073c9d44e6cf9b85f4df5c4e03628d05bc0f94ec04234c9eca4ed17463f190406834b02888728f625371cda75d15ec19efebd59f00ab659eb94eb88bcb2110862a369ad599610c1530fcc118f5b82205bc5215fe3623ac8ec297d8ff4eee75ace20731c5d505e6605c26203b7f754164c9463f0a6eefe3a2880b8e06e7bc66bb2adcc1a3f9b0325f5ec31d12a25f1f73c2aa6bb3a7680d786a082a63b13cce1822fa6a4b085a871ae3409eecbc1fd8661b5d52bb2b8b72f23e24a225075f272ed2ba0c6c5c693811a0ef8db6da7cfe7c966c647f0187ad223eedb1012a5b7af103e98464ac768c79b21ca45b12a52cf261de0d367442cda71c4b8ee39c94ded1b22ba06c13836cb467ebab4efea07bdf1e3de8da56a0ee6d4f848011253cc21fac10700003513d3167b7a73e0d752b861c49814bc5410ebe53a0264f76068c91ee6ec9e2daa343482b2f0f06e605c5aaf81f2a3cd5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435442ca529fc00da4fd7e27c4eaf14215a06857b54254c26346956fd7fe215a5ce57ec38cedf50a3c759e563a4fd87494f00e7bd9b44f3b7e99c6ef67187056a21d2fe1ac9d24125b1947eb293189fdc448b591af4d9b8eb091d6bbb5e50fae79d000044e282bb2ab6c63cc9562b151c214e45015354e62be63e1881238b907f7bdb791ff44a4e03fa29dbd26db2f49d0f4729b7cd9ba69a65b0b493466d35d09b3f590c67c31660d95e2ab4af2c9f1df91f04ce5a57dde2d75206b42e3423126774d76593c2f713ae279d7092506b513fd5b38f0f52d3fafd7141dfd4a0de1063754dba865faf8dc0f6be9d90ef21ec86a275533f6ad4b4e360dc775413f29eab8b3daac6279b9abfe163ea2f183e09ed91ef67fbb090875109288a182cfdcc46d90678efe5edceda6518335e678438cac4bb47d376f3f0e12aa55301735d7f42653c073d6a4a37b2e17d332dc1be6b50918c007b14886307cc39250e81efecd63d24067a49994572725a9df1760caac13a28f5255556b27ec245e93969b85cdec7cd1c2d2a433d3f9572b93054a7ce8adff81bc1d30884d5fc4791e251bd907e37af5bec74235c3e2f804e4e0450b715289942b7859ad207bafcfec1b586dc15e7911fe6d20aa3d02fcd47e9956780e300d7c53c17dfa15754deb4c20efebc7270bda0fa6b37fc88c6be4250cac38c1b8186b364482026ab52d65d3a691903fccc39772277011bfaa421adba76bed9731077be00000000d40f36bbd2a839c67dc4b862c968491b877d4fd13fc90f8da57a29121e12f78e85af765cd66e72ba513593fe1cdf20019985b065d828707d8e509c6834eab188deea5c9ee97955f4b07d37b6fc7beed73be94887d423a349f35bb8782bc654ceaec870d97f061bda02ae73f6d575f81e0b6326eae6c1b3085cc584686120e12dd9ad8ce44036bec8a189f900", 0x2000, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000600)={0x90, 0x0, 0x4000000000000, {0x0, 0x1fffffffe, 0x8, 0x6, 0x8, 0x1, {0x1, 0x8010001, 0x4d0, 0x40d, 0x6, 0x0, 0xed1, 0x2, 0x5, 0xc000, 0x7ff, r2, r3, 0x3d5, 0xad}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) write$FUSE_INIT(r0, &(0x7f00000006c0)={0x50, 0x0, r1, {0x7, 0x26, 0x4, 0x12885b10, 0x0, 0xfffc, 0x6, 0x5d2186cc, 0x0, 0x0, 0x10, 0x11fff}}, 0x50) capset(&(0x7f0000000240)={0x20080522}, &(0x7f0000000080)={0x200000, 0x200000, 0x5, 0x0, 0x3, 0x3ff}) openat(0xffffffffffffff9c, &(0x7f00000013c0)='./file0/file0\x00', 0x60a41, 0xb3836f6d7a15f29) 1.966151293s ago: executing program 2 (id=67): setns(0xc9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./mnt\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='127.0.0.1:6789:/\x00', &(0x7f00000000c0)='./mnt\x00', &(0x7f0000000100)='ceph\x00', 0x0, 0x0) 1.735375429s ago: executing program 0 (id=68): syz_usb_connect(0x0, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x97, 0xff, 0x82, 0x8, 0x2058, 0x1005, 0xc19b, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x8f, 0x0, 0x0, 0xbf, 0x57, 0x5a}}]}}]}}, 0x0) r0 = syz_open_dev$usbfs(&(0x7f0000000000), 0xb, 0x2) ioctl$USBDEVFS_IOCTL(r0, 0xc0105512, &(0x7f0000000040)) ioctl$USBDEVFS_CLAIMINTERFACE(r0, 0x8004550f, &(0x7f0000000080)) ioctl$USBDEVFS_SUBMITURB(r0, 0x8038550a, &(0x7f00000000c0)=@urb_type_interrupt={0x1, {0x1, 0x1}, 0x0, 0x0, &(0x7f0000000100)='\x00\x00\x00\x00\x00\x00\x00\x00', 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$USBDEVFS_RELEASEINTERFACE(r0, 0x80045510, &(0x7f0000000140)) r1 = syz_open_dev$usbfs(&(0x7f0000000200), 0xc, 0x2) ioctl$USBDEVFS_IOCTL(r1, 0xc0105512, &(0x7f0000000240)) ioctl$USBDEVFS_CLAIMINTERFACE(r1, 0x8004550f, &(0x7f0000000280)) ioctl$USBDEVFS_SUBMITURB(r1, 0x8038550a, &(0x7f00000002c0)=@urb_type_interrupt={0x1, {0x1, 0x1}, 0x0, 0x0, &(0x7f0000000300)='\x00\x00\x00\x00\x00\x00\x00\x00', 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$USBDEVFS_RELEASEINTERFACE(r1, 0x80045510, &(0x7f0000000340)) r2 = syz_open_dev$usbfs(&(0x7f0000000400), 0xd, 0x2) ioctl$USBDEVFS_IOCTL(r2, 0xc0105512, &(0x7f0000000440)) ioctl$USBDEVFS_CLAIMINTERFACE(r2, 0x8004550f, &(0x7f0000000480)) ioctl$USBDEVFS_SUBMITURB(r2, 0x8038550a, &(0x7f00000004c0)=@urb_type_interrupt={0x1, {0x1, 0x1}, 0x0, 0x0, &(0x7f0000000500)='\x00\x00\x00\x00\x00\x00\x00\x00', 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$USBDEVFS_RELEASEINTERFACE(r2, 0x80045510, &(0x7f0000000540)) r3 = syz_open_dev$usbfs(&(0x7f0000000600), 0xe, 0x2) ioctl$USBDEVFS_IOCTL(r3, 0xc0105512, &(0x7f0000000640)) ioctl$USBDEVFS_CLAIMINTERFACE(r3, 0x8004550f, &(0x7f0000000680)) ioctl$USBDEVFS_SUBMITURB(r3, 0x8038550a, &(0x7f00000006c0)=@urb_type_interrupt={0x1, {0x1, 0x1}, 0x0, 0x0, &(0x7f0000000700)='\x00\x00\x00\x00\x00\x00\x00\x00', 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$USBDEVFS_RELEASEINTERFACE(r3, 0x80045510, &(0x7f0000000740)) 1.68997665s ago: executing program 2 (id=69): r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000004c0), 0x2, 0x0) write$UHID_CREATE(r0, &(0x7f00000002c0)={0x0, {'syz0\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000940)=""/32, 0x20, 0x4, 0xffffffff, 0x0, 0x0, 0x3}}, 0x120) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000180)=ANY=[@ANYBLOB="1201000000000040341a02080000000000010902"], 0x0) r1 = syz_open_dev$hidraw(&(0x7f0000000080), 0x1, 0x200) ioctl$HIDIOCGFEATURE(r1, 0xc0404807, &(0x7f00000005c0)={0x88, "895cd46771f00301c1ca639506f24c672ecfd2bd1050f9c5774eb3e02ce08f61bb32758aa48d8b91deae8e868458c5a16302ef180c82320b8e92c2821ee0eb19"}) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$HIDIOCSFEATURE(r1, 0xc0404806, &(0x7f0000000000)) 1.468566835s ago: executing program 3 (id=70): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_GET_MSRS_cpu(r2, 0xc008ae88, &(0x7f00000000c0)={0x1, 0x0, [{0x29f, 0x0, 0xdd8}]}) 1.371956827s ago: executing program 3 (id=73): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) ioctl$KVM_GET_REG_LIST(r2, 0xc008aeb0, &(0x7f0000000040)) 1.28132112s ago: executing program 3 (id=76): mkdir(&(0x7f0000000000)='./my_config\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./my_config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000300)='./my_config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000400)='./my_config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000500)='./my_config/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffff9c, &(0x7f0000000600)='./my_config/usb_gadget/g1/functions/uac2.usb0/p_mute_present\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='0\x00', 0x2) r1 = openat(0xffffff9c, &(0x7f0000000800)='./my_config/usb_gadget/g1/functions/uac2.usb0/p_volume_present\x00', 0x1, 0x0) write(r1, &(0x7f0000000900)='0\x00', 0x2) r2 = openat(0xffffff9c, &(0x7f0000000a00)='./my_config/usb_gadget/g1/functions/uac2.usb0/c_mute_present\x00', 0x1, 0x0) write(r2, &(0x7f0000000b00)='0\x00', 0x2) r3 = openat(0xffffff9c, &(0x7f0000000c00)='./my_config/usb_gadget/g1/functions/uac2.usb0/c_volume_present\x00', 0x1, 0x0) write(r3, &(0x7f0000000d00)='0\x00', 0x2) openat(0xffffff9c, &(0x7f0000001000)='./my_config/usb_gadget/g1/UDC\x00', 0x1, 0x0) 1.24791365s ago: executing program 3 (id=77): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./power_state\x00', 0x41, 0x180) write(r0, &(0x7f0000000080)='freeze\x00', 0x7) 1.166742212s ago: executing program 3 (id=78): r0 = syz_usb_connect(0x3, 0x4e, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000401107020900010000000109023c0001010080fa0904000006ff00000007058e0200020007050e02000200070501020002000705030200020007058d0200020007050d02000200"], 0x0) syz_usb_ep_write(r0, 0x8e, 0x20, &(0x7f0000000220)='\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"') 1.165584182s ago: executing program 1 (id=79): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) chdir(&(0x7f0000000240)='./config/usb_gadget/g1\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000540)='bMaxPacketSize0\x00', 0x1, 0x0) write(r0, &(0x7f0000000580)='64', 0x2) 1.116196873s ago: executing program 1 (id=80): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) mmap(&(0x7f0000800000/0x20000)=nil, 0x20000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x20000, &(0x7f0000800000/0x20000)=nil}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000200)={0x1, 0x0, [{0x4b564d01, 0x0, 0x1001}]}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000200)={0x1, 0x0, [{0x4b564d01, 0x0, 0x2001}]}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000200)={0x1, 0x0, [{0x4b564d00, 0x0, 0x3001}]}) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000200)={0x1, 0x0, [{0x4b564d00, 0x0, 0x4001}]}) 995.056536ms ago: executing program 1 (id=81): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000480)={0x4c, 0x2, 0x6, 0x801, 0xe4340000, 0x0, {0x0, 0x0, 0x8}, [@IPSET_ATTR_TYPENAME={0x11, 0x3, 'hash:ip,port\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_FAMILY={0x5, 0x5, 0x2}, @IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x44000}, 0x4000002) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_ADD(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x54, 0x9, 0x6, 0x801, 0x0, 0x0, {0x5}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_DATA={0x2c, 0x7, 0x0, 0x1, [@IPSET_ATTR_PORT={0x6, 0x4, 0x1, 0x0, 0x4e21}, @IPSET_ATTR_PROTO={0x5, 0x7, 0xff}, @IPSET_ATTR_IP={0xc, 0x1, 0x0, 0x1, @IPSET_ATTR_IPADDR_IPV4={0x8, 0x1, 0x1, 0x0, @private=0xa010101}}, @IPSET_ATTR_IP_TO={0xc, 0x2, 0x0, 0x1, @IPSET_ATTR_IPADDR_IPV4={0x8, 0x1, 0x1, 0x0, @multicast2}}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x10004893}, 0x80) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_ADD(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000300)=ANY=[@ANYBLOB="50000000090601020000000000000000020000840900020073797a31000000000500010007000000280007800c00018008000140fffffff70500070088000000060004404e22000006000540"], 0x50}, 0x1, 0x0, 0x0, 0x10000082}, 0x90) 910.029178ms ago: executing program 1 (id=82): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000002c0), 0x200, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x1, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_GET_DIRTY_LOG(r1, 0x4010ae42, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000/0x3000)=nil}) 851.30713ms ago: executing program 1 (id=83): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) close(0xffffffffffffffff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r1, &(0x7f0000000240)='100\x00', 0x3) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) 819.098781ms ago: executing program 1 (id=84): mkdir(&(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config/cluster/mycluster\x00', 0x1ff) mkdir(&(0x7f0000000440)='./config/cluster/mycluster/heartbeat/myregion\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/cluster/mycluster/heartbeat/dead_threshold\x00', 0x1, 0x0) write(r0, &(0x7f00000005c0)='11', 0x2) 479.133589ms ago: executing program 0 (id=85): r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/uevent_helper', 0x1, 0x0) write(r0, &(0x7f0000000100)='0000:00:10.0\x00', 0xd) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000200)='/sys/power/resume', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:10.0\x00', 0xd) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/image_size', 0x1, 0x0) write(r2, &(0x7f0000000500)='0000:00:10.0\x00', 0xd) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000600)='/sys/power/wakeup_count', 0x1, 0x0) write(r3, &(0x7f0000000700)='0000:00:10.0\x00', 0xd) 0s ago: executing program 0 (id=86): r0 = openat$kvm(0x0, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil) r3 = syz_kvm_add_vcpu$x86(r2, &(0x7f0000000080)={0x0, &(0x7f00000000c0)=[@enable_nested={0x12c, 0x18}], 0x18}) r4 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, 0xae04) mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r4, 0x3, 0x11, r3, 0x0) ioctl$KVM_GET_SUPPORTED_CPUID(r0, 0xc008ae05, &(0x7f0000000000)={0x100}) ioctl$KVM_SET_CPUID2(r3, 0x4008ae90, &(0x7f0000000000)) ioctl$KVM_SET_NESTED_STATE(r3, 0x4080aebf, &(0x7f0000002000)=@svm={0x0, 0x1, 0x1080, {0x1000}}) ioctl$KVM_RUN(r3, 0xae80, 0x0) kernel console output (not intermixed with test programs): 4 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.237484][ T99] RSP: 002b:00007ffd4d2a7c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.237551][ T99] RAX: ffffffffffffffda RBX: 00007fc1a8476c80 RCX: 00007fc1a85c6407 [ 42.237596][ T99] RDX: 000000000000004c RSI: 00007ffd4d2a7dc0 RDI: 0000000000000003 [ 42.237638][ T99] RBP: 00007ffd4d2a81f0 R08: 0000000000000000 R09: 0000000000000000 [ 42.237680][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd4d2a8208 [ 42.237731][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000031 R15: 00007ffd4d2a7dc0 [ 42.237810][ T99] [ 42.239954][ T99] FAULT_INJECTION: forcing a failure. [ 42.239954][ T99] name failslab, interval 3, probability 10, space 0, times 73 [ 42.241738][ T294] [ 42.249504][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.249660][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.249712][ T110] Call Trace: [ 42.249743][ T110] [ 42.249768][ T110] __dump_stack+0x21/0x30 [ 42.249882][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.249964][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.250061][ T110] dump_stack+0x19/0x20 [ 42.250139][ T110] should_fail_ex+0x3c2/0x510 [ 42.250216][ T110] should_failslab+0xac/0x100 [ 42.250286][ T110] __kmalloc_cache_noprof+0x41/0x470 [ 42.250370][ T110] ? kernfs_fop_open+0x716/0xd50 [ 42.250455][ T110] ? seq_open+0xaa/0x1d0 [ 42.250531][ T110] kernfs_fop_open+0x716/0xd50 [ 42.250619][ T110] ? __cfi_kernfs_fop_open+0x10/0x10 [ 42.250700][ T110] do_dentry_open+0x97c/0x1510 [ 42.250797][ T110] vfs_open+0x86/0x240 [ 42.250870][ T110] ? __cfi_vfs_open+0x10/0x10 [ 42.250958][ T110] ? may_open+0x352/0x430 [ 42.251068][ T110] path_openat+0x2c49/0x35a0 [ 42.251166][ T110] ? kasan_save_alloc_info+0x3a/0x50 [ 42.251258][ T110] ? getname+0x1b/0x30 [ 42.251324][ T110] ? x64_sys_call+0xe69/0x2ee0 [ 42.251382][ T110] ? do_syscall_64+0x57/0xf0 [ 42.251460][ T110] ? do_filp_open+0x440/0x440 [ 42.251548][ T110] do_filp_open+0x1f2/0x440 [ 42.251626][ T110] ? __cfi_do_filp_open+0x10/0x10 [ 42.251715][ T110] ? alloc_fd+0x4c1/0x570 [ 42.251790][ T110] do_sys_openat2+0x134/0x1d0 [ 42.251874][ T110] ? do_sys_open+0x100/0x100 [ 42.251965][ T110] __x64_sys_openat+0x13a/0x170 [ 42.252055][ T110] x64_sys_call+0xe69/0x2ee0 [ 42.252110][ T110] do_syscall_64+0x57/0xf0 [ 42.252177][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.252256][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.252350][ T110] RIP: 0033:0x7f21a14a7407 [ 42.252420][ T110] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.252497][ T110] RSP: 002b:00007fffe151fed0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 42.252564][ T110] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 42.252611][ T110] RDX: 0000000000080000 RSI: 00007fffe1520050 RDI: ffffffffffffff9c [ 42.252656][ T110] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 42.252691][ T110] R10: 0000000000000000 R11: 0000000000000202 R12: 000055abe1ae37f5 [ 42.252734][ T110] R13: 000055abe1ae37f5 R14: 0000000000000001 R15: 0000000000000000 [ 42.252788][ T110] [ 42.259355][ T381] FAULT_INJECTION: forcing a failure. [ 42.259355][ T381] name failslab, interval 3, probability 10, space 0, times 72 [ 42.265801][ T476] CPU: 0 UID: 0 PID: 476 Comm: syz.0.68 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.265900][ T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.265943][ T476] Call Trace: [ 42.265964][ T476] [ 42.265988][ T476] __dump_stack+0x21/0x30 [ 42.266082][ T476] dump_stack_lvl+0x140/0x1c0 [ 42.266168][ T476] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.266258][ T476] ? __count_memcg_events+0xdf/0x3a0 [ 42.266348][ T476] dump_stack+0x19/0x20 [ 42.266426][ T476] should_fail_ex+0x3c2/0x510 [ 42.266503][ T476] should_failslab+0xac/0x100 [ 42.266573][ T476] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.266639][ T476] ? dup_task_struct+0xc1/0xd80 [ 42.266725][ T476] dup_task_struct+0xc1/0xd80 [ 42.266807][ T476] ? __kasan_check_write+0x18/0x20 [ 42.266881][ T476] ? _raw_spin_lock_irq+0x93/0x120 [ 42.266951][ T476] ? copy_process+0x3350/0x3350 [ 42.267028][ T476] ? __kasan_check_write+0x18/0x20 [ 42.267110][ T476] copy_process+0x57c/0x3350 [ 42.267211][ T476] ? check_stack_object+0x10f/0x150 [ 42.267279][ T476] ? __check_object_size+0xdc/0x870 [ 42.267351][ T476] ? cgroup_rstat_updated+0x144/0x800 [ 42.267420][ T476] ? __cfi_copy_process+0x10/0x10 [ 42.267497][ T476] ? copy_clone_args_from_user+0x63c/0x740 [ 42.267588][ T476] kernel_clone+0x233/0x810 [ 42.267665][ T476] ? __delayed_free_task+0x40/0x40 [ 42.267755][ T476] ? __cfi_kernel_clone+0x10/0x10 [ 42.267836][ T476] __se_sys_clone3+0x33e/0x360 [ 42.267916][ T476] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 42.267983][ T476] ? __x64_sys_clone3+0x80/0x80 [ 42.268080][ T476] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 42.268178][ T476] ? __kasan_check_read+0x15/0x20 [ 42.268235][ T476] __x64_sys_clone3+0x5f/0x80 [ 42.268319][ T476] x64_sys_call+0x28fc/0x2ee0 [ 42.268377][ T476] do_syscall_64+0x57/0xf0 [ 42.268451][ T476] ? clear_bhb_loop+0x50/0xa0 [ 42.268558][ T476] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.268642][ T476] RIP: 0033:0x7f902799ec89 [ 42.268696][ T476] Code: 90 b8 01 00 00 00 b9 01 00 00 00 eb ec 0f 1f 40 00 b8 ea ff ff ff 48 85 ff 74 28 48 85 d2 74 23 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 14 74 01 c3 31 ed 4c 89 c7 ff d2 48 89 c7 b8 3c 00 00 [ 42.268750][ T476] RSP: 002b:00007ffe0713f528 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 [ 42.268824][ T476] RAX: ffffffffffffffda RBX: 00007f902795a220 RCX: 00007f902799ec89 [ 42.268870][ T476] RDX: 00007f902795a220 RSI: 0000000000000058 RDI: 00007ffe0713f580 [ 42.268914][ T476] RBP: 00007f90288c66c0 R08: 00007f90288c66c0 R09: 00007ffe0713f667 [ 42.268959][ T476] R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffe8 [ 42.269002][ T476] R13: 000000000000006e R14: 00007ffe0713f580 R15: 00007ffe0713f668 [ 42.269057][ T476] [ 42.277846][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.277945][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.277996][ T9] Workqueue: usb_hub_wq hub_event [ 42.278119][ T9] Call Trace: [ 42.278148][ T9] [ 42.278179][ T9] __dump_stack+0x21/0x30 [ 42.278330][ T9] dump_stack_lvl+0x140/0x1c0 [ 42.278407][ T9] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.278506][ T9] dump_stack+0x19/0x20 [ 42.278589][ T9] should_fail_ex+0x3c2/0x510 [ 42.278675][ T9] should_failslab+0xac/0x100 [ 42.278755][ T9] __kmalloc_node_track_caller_noprof+0x65/0x4f0 [ 42.278825][ T9] ? kvasprintf_const+0xf6/0x250 [ 42.278903][ T9] kvasprintf+0xf1/0x260 [ 42.278960][ T9] ? pointer+0xe10/0xe10 [ 42.279027][ T9] ? __cfi_kvasprintf+0x10/0x10 [ 42.279097][ T9] kvasprintf_const+0xf6/0x250 [ 42.279163][ T9] kobject_set_name_vargs+0x65/0x120 [ 42.279189][ T9] dev_set_name+0xe3/0x140 [ 42.279267][ T9] ? __cfi_dev_set_name+0x10/0x10 [ 42.279350][ T9] ? pm_runtime_init+0x281/0x370 [ 42.279434][ T9] ? swiotlb_dev_init+0x1f/0x100 [ 42.279540][ T9] ? usb_enable_endpoint+0x110/0x1c0 [ 42.279652][ T9] usb_alloc_dev+0x4f5/0xf50 [ 42.279718][ T9] hub_event+0x202c/0x4360 [ 42.279821][ T9] ? __cfi_hub_event+0x10/0x10 [ 42.279919][ T9] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 42.279986][ T9] ? _raw_spin_lock_irq+0x93/0x120 [ 42.280056][ T9] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 42.280133][ T9] ? kick_pool+0xb9/0x540 [ 42.280205][ T9] process_scheduled_works+0x7f7/0x1060 [ 42.280285][ T9] worker_thread+0xc99/0x13f0 [ 42.280348][ T9] kthread+0x2c7/0x360 [ 42.280417][ T9] ? __cfi_worker_thread+0x10/0x10 [ 42.280477][ T9] ? __cfi_kthread+0x10/0x10 [ 42.280554][ T9] ret_from_fork+0x67/0xa0 [ 42.280645][ T9] ? __cfi_kthread+0x10/0x10 [ 42.280722][ T9] ret_from_fork_asm+0x1a/0x30 [ 42.280781][ T9] [ 42.296193][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.296295][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.296335][ T294] Call Trace: [ 42.296356][ T294] [ 42.296378][ T294] __dump_stack+0x21/0x30 [ 42.296489][ T294] dump_stack_lvl+0x140/0x1c0 [ 42.296608][ T294] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.296698][ T294] dump_stack+0x19/0x20 [ 42.296775][ T294] warn_alloc+0x1e7/0x2c0 [ 42.296872][ T294] ? __kasan_check_write+0x18/0x20 [ 42.296930][ T294] ? __cfi_warn_alloc+0x10/0x10 [ 42.297018][ T294] ? __kasan_kmalloc+0x28/0xb0 [ 42.297086][ T294] ? __kmalloc_node_noprof+0x252/0x500 [ 42.297152][ T294] ? __vmalloc_node_range_noprof+0x529/0x1300 [ 42.297244][ T294] __vmalloc_node_range_noprof+0x65f/0x1300 [ 42.297337][ T294] ? tcp_getsockopt+0x103/0x130 [ 42.297406][ T294] ? do_sock_getsockopt+0x3a4/0x6c0 [ 42.297470][ T294] ? __x64_sys_getsockopt+0x1d4/0x280 [ 42.297539][ T294] ? __cfi___vmalloc_node_range_noprof+0x10/0x10 [ 42.297628][ T294] ? __asan_memcpy+0x5a/0x80 [ 42.297691][ T294] ? avc_has_perm_noaudit+0x289/0x360 [ 42.297769][ T294] ? alloc_counters+0x75/0x520 [ 42.297845][ T294] vzalloc_noprof+0x103/0x1d0 [ 42.297943][ T294] ? alloc_counters+0x75/0x520 [ 42.298016][ T294] ? __cfi_vzalloc_noprof+0x10/0x10 [ 42.298047][ T294] ? __kasan_check_write+0x18/0x20 [ 42.298087][ T294] ? mutex_lock+0x97/0x1d0 [ 42.298190][ T294] ? __cfi_mutex_lock+0x10/0x10 [ 42.298276][ T294] alloc_counters+0x75/0x520 [ 42.298346][ T294] ? selinux_capable+0x38/0x50 [ 42.298423][ T294] ? xt_find_table_lock+0x3c9/0x460 [ 42.298482][ T294] do_ipt_get_ctl+0xab5/0x1210 [ 42.298551][ T294] ? __cfi_do_ipt_get_ctl+0x10/0x10 [ 42.298627][ T294] ? sockopt_release_sock+0x5b/0x70 [ 42.298708][ T294] ? do_ip_getsockopt+0x1096/0x17b0 [ 42.298784][ T294] ? __cfi_do_ip_getsockopt+0x10/0x10 [ 42.298862][ T294] ? kasan_save_track+0x4f/0x80 [ 42.298930][ T294] ? security_file_permission+0xb0/0xf0 [ 42.299021][ T294] ? __kasan_slab_alloc+0x73/0x90 [ 42.299090][ T294] ? kmem_cache_alloc_noprof+0x1bf/0x410 [ 42.299155][ T294] ? sock_alloc_file+0xbe/0x2b0 [ 42.299236][ T294] ? __sys_socket+0x14c/0x1c0 [ 42.299312][ T294] ? __x64_sys_socket+0x7e/0x90 [ 42.299381][ T294] ? x64_sys_call+0x2608/0x2ee0 [ 42.299445][ T294] ? avc_has_perm_noaudit+0x26b/0x360 [ 42.299512][ T294] ? __asan_memcpy+0x5a/0x80 [ 42.299597][ T294] ? __kasan_check_write+0x18/0x20 [ 42.299676][ T294] ? mutex_unlock+0x90/0x240 [ 42.299745][ T294] ? __cfi_mutex_unlock+0x10/0x10 [ 42.299820][ T294] ? avc_has_perm+0x155/0x240 [ 42.299886][ T294] ? __cfi_avc_has_perm+0x10/0x10 [ 42.299951][ T294] nf_getsockopt+0x28b/0x2b0 [ 42.300026][ T294] ip_getsockopt+0x15b/0x200 [ 42.300091][ T294] ? security_file_permission+0xb0/0xf0 [ 42.300179][ T294] ? __cfi_ip_getsockopt+0x10/0x10 [ 42.300245][ T294] tcp_getsockopt+0x103/0x130 [ 42.300312][ T294] ? errseq_sample+0x48/0x70 [ 42.300393][ T294] sock_common_getsockopt+0xb2/0xd0 [ 42.300462][ T294] ? __cfi_sock_common_getsockopt+0x10/0x10 [ 42.300528][ T294] do_sock_getsockopt+0x3a4/0x6c0 [ 42.300583][ T294] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 42.300658][ T294] ? __cfi_do_sock_getsockopt+0x10/0x10 [ 42.300723][ T294] __x64_sys_getsockopt+0x1d4/0x280 [ 42.300785][ T294] x64_sys_call+0x10db/0x2ee0 [ 42.300849][ T294] do_syscall_64+0x57/0xf0 [ 42.300914][ T294] ? clear_bhb_loop+0x50/0xa0 [ 42.301018][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.301102][ T294] RIP: 0033:0x7f7cbe19f66a [ 42.301154][ T294] Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 [ 42.301206][ T294] RSP: 002b:00007ffd695cb028 EFLAGS: 00000216 ORIG_RAX: 0000000000000037 [ 42.301269][ T294] RAX: ffffffffffffffda RBX: 00007ffd695cb0b0 RCX: 00007f7cbe19f66a [ 42.301311][ T294] RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 [ 42.301347][ T294] RBP: 0000000000000003 R08: 00007ffd695cb04c R09: 0000000000000000 [ 42.301388][ T294] R10: 00007ffd695cb0b0 R11: 0000000000000216 R12: 00007f7cbe3efac0 [ 42.301429][ T294] R13: 00007ffd695cb04c R14: 0000000000000000 R15: 00007f7cbe3f0180 [ 42.301474][ T294] [ 42.304736][ T293] FAULT_INJECTION: forcing a failure. [ 42.304736][ T293] name failslab, interval 3, probability 10, space 0, times 66 [ 42.315819][ T110] FAULT_INJECTION: forcing a failure. [ 42.315819][ T110] name failslab, interval 3, probability 10, space 0, times 66 [ 42.324599][ T294] Mem-Info: [ 42.332663][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.332699][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.332738][ T99] Call Trace: [ 42.332763][ T99] [ 42.332803][ T99] __dump_stack+0x21/0x30 [ 42.332913][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.333000][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.333089][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 42.333186][ T99] dump_stack+0x19/0x20 [ 42.333264][ T99] should_fail_ex+0x3c2/0x510 [ 42.333342][ T99] should_failslab+0xac/0x100 [ 42.333418][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.333483][ T99] ? __alloc_skb+0x10c/0x360 [ 42.333566][ T99] __alloc_skb+0x10c/0x360 [ 42.333643][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.333718][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 42.333804][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 42.333901][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 42.333973][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 42.334040][ T99] ? __kasan_check_write+0x18/0x20 [ 42.334103][ T99] ? _raw_spin_lock+0x92/0x120 [ 42.334178][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.334268][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 42.334380][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 42.334475][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.334564][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 42.334632][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 42.334717][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.334805][ T99] __sys_sendto+0x68a/0x700 [ 42.334885][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 42.334973][ T99] ? selinux_socket_connect+0x27/0x40 [ 42.335050][ T99] ? __cfi___sys_connect+0x10/0x10 [ 42.335146][ T99] ? __kasan_check_write+0x18/0x20 [ 42.335202][ T99] __x64_sys_sendto+0xe9/0x100 [ 42.335300][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 42.335366][ T99] do_syscall_64+0x57/0xf0 [ 42.335433][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.335517][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.335601][ T99] RIP: 0033:0x7fc1a85c6407 [ 42.335658][ T99] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.335713][ T99] RSP: 002b:00007ffd4d2a7c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.335780][ T99] RAX: ffffffffffffffda RBX: 00007fc1a8476c80 RCX: 00007fc1a85c6407 [ 42.335826][ T99] RDX: 000000000000004d RSI: 00007ffd4d2a7dc0 RDI: 0000000000000003 [ 42.335861][ T99] RBP: 00007ffd4d2a81f0 R08: 0000000000000000 R09: 0000000000000000 [ 42.335905][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd4d2a8208 [ 42.335940][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000032 R15: 00007ffd4d2a7dc0 [ 42.335999][ T99] [ 42.336336][ T99] FAULT_INJECTION: forcing a failure. [ 42.336336][ T99] name failslab, interval 3, probability 10, space 0, times 65 [ 42.341508][ T382] FAULT_INJECTION: forcing a failure. [ 42.341508][ T382] name failslab, interval 3, probability 10, space 0, times 64 [ 42.343383][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.343496][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.343545][ T99] Call Trace: [ 42.343567][ T99] [ 42.343598][ T99] __dump_stack+0x21/0x30 [ 42.343696][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.343776][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.343877][ T99] dump_stack+0x19/0x20 [ 42.343962][ T99] should_fail_ex+0x3c2/0x510 [ 42.344030][ T99] should_failslab+0xac/0x100 [ 42.344108][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 42.344174][ T99] ? security_inode_alloc+0x51/0x230 [ 42.344259][ T99] security_inode_alloc+0x51/0x230 [ 42.344344][ T99] inode_init_always_gfp+0x756/0x9e0 [ 42.344421][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 42.344506][ T99] alloc_inode+0xc5/0x270 [ 42.344574][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 42.344643][ T99] new_inode_pseudo+0x19/0x40 [ 42.344728][ T99] __sock_create+0x130/0x810 [ 42.344822][ T99] __sys_socket+0xe1/0x1c0 [ 42.344909][ T99] __x64_sys_socket+0x7e/0x90 [ 42.345001][ T99] x64_sys_call+0x2608/0x2ee0 [ 42.345057][ T99] do_syscall_64+0x57/0xf0 [ 42.345124][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.345209][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.345294][ T99] RIP: 0033:0x7fc1a8641707 [ 42.345349][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 42.345396][ T99] RSP: 002b:00007ffd4d2a7c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 42.345463][ T99] RAX: ffffffffffffffda RBX: 000000000000004d RCX: 00007fc1a8641707 [ 42.345507][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 42.345549][ T99] RBP: 00007fc1a86cd560 R08: 0000000000000000 R09: 0000000000000000 [ 42.345591][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 42.345625][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000032 R15: 00007ffd4d2a7dc0 [ 42.345678][ T99] [ 42.345751][ T99] socket: no more sockets [ 42.348638][ T382] CPU: 0 UID: 0 PID: 382 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.348726][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.348760][ T382] Call Trace: [ 42.348782][ T382] [ 42.348804][ T382] __dump_stack+0x21/0x30 [ 42.348908][ T382] dump_stack_lvl+0x140/0x1c0 [ 42.348987][ T382] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.349075][ T382] dump_stack+0x19/0x20 [ 42.349162][ T382] should_fail_ex+0x3c2/0x510 [ 42.349235][ T382] should_failslab+0xac/0x100 [ 42.349304][ T382] kmem_cache_alloc_noprof+0x42/0x410 [ 42.349356][ T382] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 42.349432][ T382] ? alloc_empty_file+0xbf/0x270 [ 42.349508][ T382] ? arch_stack_walk+0x10a/0x170 [ 42.349577][ T382] alloc_empty_file+0xbf/0x270 [ 42.349669][ T382] path_openat+0xf4/0x35a0 [ 42.349759][ T382] ? stack_depot_save_flags+0x38/0x800 [ 42.349848][ T382] ? kasan_save_track+0x4f/0x80 [ 42.349914][ T382] ? kasan_save_track+0x3e/0x80 [ 42.349979][ T382] ? kasan_save_alloc_info+0x3a/0x50 [ 42.350066][ T382] ? __kasan_slab_alloc+0x73/0x90 [ 42.350134][ T382] ? getname+0x1b/0x30 [ 42.350200][ T382] ? do_sys_openat2+0xda/0x1d0 [ 42.350279][ T382] ? __x64_sys_openat+0x13a/0x170 [ 42.350352][ T382] ? x64_sys_call+0xe69/0x2ee0 [ 42.350415][ T382] ? do_syscall_64+0x57/0xf0 [ 42.350498][ T382] ? do_filp_open+0x440/0x440 [ 42.350587][ T382] do_filp_open+0x1f2/0x440 [ 42.350668][ T382] ? __cfi_do_filp_open+0x10/0x10 [ 42.350777][ T382] ? alloc_fd+0x4c1/0x570 [ 42.350864][ T382] do_sys_openat2+0x134/0x1d0 [ 42.350945][ T382] ? do_sys_open+0x100/0x100 [ 42.351069][ T382] __x64_sys_openat+0x13a/0x170 [ 42.351168][ T382] x64_sys_call+0xe69/0x2ee0 [ 42.351225][ T382] do_syscall_64+0x57/0xf0 [ 42.351293][ T382] ? clear_bhb_loop+0x50/0xa0 [ 42.351376][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.351455][ T382] RIP: 0033:0x7f21a14a7407 [ 42.351502][ T382] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.351559][ T382] RSP: 002b:00007fffe151b8b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 42.351627][ T382] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 42.351680][ T382] RDX: 0000000000080000 RSI: 00007fffe151ba30 RDI: ffffffffffffff9c [ 42.351726][ T382] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 42.351762][ T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000055abe1ae37f5 [ 42.351807][ T382] R13: 000055abe1ae37f5 R14: 0000000000000001 R15: 000055abe1afe140 [ 42.351873][ T382] [ 42.356027][ T382] FAULT_INJECTION: forcing a failure. [ 42.356027][ T382] name failslab, interval 3, probability 10, space 0, times 62 [ 42.358695][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.358802][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.358839][ T110] Call Trace: [ 42.358868][ T110] [ 42.358892][ T110] __dump_stack+0x21/0x30 [ 42.358990][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.359069][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.359161][ T110] ? kasan_save_alloc_info+0x3a/0x50 [ 42.359261][ T110] dump_stack+0x19/0x20 [ 42.359342][ T110] should_fail_ex+0x3c2/0x510 [ 42.359410][ T110] should_failslab+0xac/0x100 [ 42.359486][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 42.359553][ T110] ? anon_vma_fork+0xf4/0x610 [ 42.359621][ T110] anon_vma_fork+0xf4/0x610 [ 42.359691][ T110] ? dup_userfaultfd+0xaa/0x700 [ 42.359758][ T110] copy_mm+0xc14/0x1da0 [ 42.359840][ T110] ? copy_signal+0x6a0/0x6a0 [ 42.359911][ T110] ? _raw_spin_lock+0x92/0x120 [ 42.359988][ T110] ? __asan_memset+0x39/0x50 [ 42.360045][ T110] ? __init_rwsem+0x110/0x1f0 [ 42.360149][ T110] ? copy_signal+0x4d5/0x6a0 [ 42.360251][ T110] copy_process+0x12a4/0x3350 [ 42.360357][ T110] ? __cfi_copy_process+0x10/0x10 [ 42.360435][ T110] ? selinux_socket_setsockopt+0x324/0x3d0 [ 42.360516][ T110] kernel_clone+0x233/0x810 [ 42.360586][ T110] ? _raw_spin_lock_irq+0x93/0x120 [ 42.360654][ T110] ? __cfi_kernel_clone+0x10/0x10 [ 42.360732][ T110] ? __kasan_check_write+0x18/0x20 [ 42.360797][ T110] ? recalc_sigpending+0x16c/0x1d0 [ 42.360870][ T110] __x64_sys_clone+0x1b7/0x230 [ 42.360949][ T110] ? _copy_to_user+0x7d/0xa0 [ 42.361036][ T110] ? __cfi___x64_sys_clone+0x10/0x10 [ 42.361115][ T110] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 42.361216][ T110] ? __kasan_check_read+0x15/0x20 [ 42.361281][ T110] x64_sys_call+0x2b3c/0x2ee0 [ 42.361339][ T110] do_syscall_64+0x57/0xf0 [ 42.361398][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.361484][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.361587][ T110] RIP: 0033:0x7f21a14f1636 [ 42.361657][ T110] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 42.361713][ T110] RSP: 002b:00007fffe1524290 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 42.361781][ T110] RAX: ffffffffffffffda RBX: 00007fffe1524298 RCX: 00007f21a14f1636 [ 42.361830][ T110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 42.361865][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000000 R09: 0000000000000210 [ 42.361908][ T110] R10: 00007f21a1b6fb50 R11: 0000000000000246 R12: 00007fffe1524650 [ 42.361956][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.362002][ T110] [ 42.365606][ T110] udevd[110]: fork of child failed: Cannot allocate memory [ 42.367911][ T294] active_anon:5984 inactive_anon:0 isolated_anon:0 [ 42.367911][ T294] active_file:5807 inactive_file:2292 isolated_file:0 [ 42.367911][ T294] unevictable:0 dirty:1523 writeback:0 [ 42.367911][ T294] slab_reclaimable:4280 slab_unreclaimable:70576 [ 42.367911][ T294] mapped:24153 shmem:165 pagetables:852 [ 42.367911][ T294] sec_pagetables:0 bounce:0 [ 42.367911][ T294] kernel_misc_reclaimable:0 [ 42.367911][ T294] free:1545370 free_pcp:1013 free_cma:0 [ 42.375402][ T99] FAULT_INJECTION: forcing a failure. [ 42.375402][ T99] name failslab, interval 3, probability 10, space 0, times 60 [ 42.377696][ T293] CPU: 0 UID: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.377809][ T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.377856][ T293] Call Trace: [ 42.377877][ T293] [ 42.377899][ T293] __dump_stack+0x21/0x30 [ 42.377996][ T293] dump_stack_lvl+0x140/0x1c0 [ 42.378081][ T293] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.378159][ T293] ? __kasan_kmalloc+0x96/0xb0 [ 42.378236][ T293] dump_stack+0x19/0x20 [ 42.378320][ T293] should_fail_ex+0x3c2/0x510 [ 42.378380][ T293] should_failslab+0xac/0x100 [ 42.378456][ T293] __kmalloc_node_noprof+0x69/0x500 [ 42.378522][ T293] ? __kvmalloc_node_noprof+0x128/0x300 [ 42.378620][ T293] __kvmalloc_node_noprof+0x128/0x300 [ 42.378715][ T293] ? __cfi___kvmalloc_node_noprof+0x10/0x10 [ 42.378805][ T293] ? __kasan_check_write+0x18/0x20 [ 42.378878][ T293] ? _raw_spin_lock+0x92/0x120 [ 42.378944][ T293] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.379018][ T293] simple_xattr_alloc+0x67/0x140 [ 42.379114][ T293] shmem_initxattrs+0x24f/0x530 [ 42.379201][ T293] ? security_inode_init_security+0x11c/0x600 [ 42.379289][ T293] security_inode_init_security+0x431/0x600 [ 42.379359][ T293] ? __cfi_shmem_initxattrs+0x10/0x10 [ 42.379447][ T293] ? __cfi_security_inode_init_security+0x10/0x10 [ 42.379524][ T293] ? set_cached_acl+0xe1/0x1a0 [ 42.379620][ T293] ? simple_acl_create+0x190/0x1c0 [ 42.379677][ T293] shmem_mknod+0xd5/0x200 [ 42.379755][ T293] shmem_mkdir+0x3b/0x80 [ 42.379845][ T293] vfs_mkdir+0x58e/0x810 [ 42.379933][ T293] do_mkdirat+0x240/0x530 [ 42.380012][ T293] ? __cfi_do_mkdirat+0x10/0x10 [ 42.380099][ T293] ? __kasan_check_write+0x18/0x20 [ 42.380156][ T293] ? getname_flags+0x203/0x6b0 [ 42.380221][ T293] ? __kasan_check_read+0x15/0x20 [ 42.380285][ T293] __x64_sys_mkdirat+0x8b/0xa0 [ 42.380359][ T293] x64_sys_call+0x2ba8/0x2ee0 [ 42.380415][ T293] do_syscall_64+0x57/0xf0 [ 42.380490][ T293] ? clear_bhb_loop+0x50/0xa0 [ 42.380588][ T293] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.380671][ T293] RIP: 0033:0x7f902799cd07 [ 42.380724][ T293] Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 42.380778][ T293] RSP: 002b:00007ffe0713f9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 [ 42.380855][ T293] RAX: ffffffffffffffda RBX: 00007ffe0713fa20 RCX: 00007f902799cd07 [ 42.380902][ T293] RDX: 00000000000001ff RSI: 00007ffe0713fa20 RDI: 00000000ffffff9c [ 42.380945][ T293] RBP: 00007ffe0713fa0c R08: 0000000000000002 R09: 00000000fffffffe [ 42.380989][ T293] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000014 [ 42.381025][ T293] R13: 00000000000927c0 R14: 000000000000a489 R15: 00007ffe0713fa60 [ 42.381077][ T293] [ 42.390599][ T294] Node 0 active_anon:23936kB inactive_anon:0kB active_file:23228kB inactive_file:9168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96612kB dirty:6092kB writeback:0kB shmem:660kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:4196kB pagetables:3408kB sec_pagetables:0kB all_unreclaimable? no [ 42.395503][ T381] CPU: 1 UID: 0 PID: 381 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.395616][ T381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.395657][ T381] Call Trace: [ 42.395677][ T381] [ 42.395698][ T381] __dump_stack+0x21/0x30 [ 42.395812][ T381] dump_stack_lvl+0x140/0x1c0 [ 42.395893][ T381] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.395977][ T381] dump_stack+0x19/0x20 [ 42.396055][ T381] should_fail_ex+0x3c2/0x510 [ 42.396156][ T381] should_failslab+0xac/0x100 [ 42.396240][ T381] kmem_cache_alloc_noprof+0x42/0x410 [ 42.396295][ T381] ? __kasan_check_write+0x18/0x20 [ 42.396355][ T381] ? skb_clone+0x21d/0x470 [ 42.396409][ T381] ? __cfi__raw_read_lock_irqsave+0x10/0x10 [ 42.396481][ T381] ? _copy_from_iter+0x6b5/0x1520 [ 42.396583][ T381] skb_clone+0x21d/0x470 [ 42.396636][ T381] netlink_broadcast_filtered+0x691/0x11d0 [ 42.396740][ T381] netlink_sendmsg+0x76e/0xad0 [ 42.396803][ T381] ? __cfi_netlink_sendmsg+0x10/0x10 [ 42.396864][ T381] ? unwind_get_return_address+0x51/0x90 [ 42.396940][ T381] ? arch_stack_walk+0x10a/0x170 [ 42.397001][ T381] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 42.397239][ T381] ? security_socket_sendmsg+0x3d/0x100 [ 42.397351][ T381] ____sys_sendmsg+0x9a1/0xa00 [ 42.397429][ T381] ? __import_iovec+0x3fa/0x7d0 [ 42.397568][ T381] ? __sys_sendmsg_sock+0x50/0x50 [ 42.397652][ T381] ? import_iovec+0x80/0xb0 [ 42.397744][ T381] ___sys_sendmsg+0x2a6/0x370 [ 42.397809][ T381] ? __sys_sendmsg+0x2a0/0x2a0 [ 42.397889][ T381] ? kmem_cache_free+0x1bd/0x4f0 [ 42.397966][ T381] ? __kasan_check_read+0x15/0x20 [ 42.398036][ T381] __x64_sys_sendmsg+0x206/0x2e0 [ 42.398097][ T381] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 42.398174][ T381] ? __kasan_check_read+0x15/0x20 [ 42.398234][ T381] x64_sys_call+0x2a4c/0x2ee0 [ 42.398312][ T381] do_syscall_64+0x57/0xf0 [ 42.398383][ T381] ? clear_bhb_loop+0x50/0xa0 [ 42.398465][ T381] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.398555][ T381] RIP: 0033:0x7f21a14a7407 [ 42.398614][ T381] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.398673][ T381] RSP: 002b:00007fffe15242a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.398744][ T381] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 42.398784][ T381] RDX: 0000000000000000 RSI: 00007fffe1524300 RDI: 000000000000000c [ 42.398822][ T381] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.398868][ T381] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000b8 [ 42.398930][ T381] R13: 000055ac1b00f6a0 R14: 0000000000000000 R15: 0000000000000000 [ 42.398987][ T381] [ 42.400667][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.400756][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.400799][ T99] Call Trace: [ 42.400820][ T99] [ 42.400851][ T99] __dump_stack+0x21/0x30 [ 42.400950][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.401030][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.401166][ T99] ? should_fail_ex+0x100/0x510 [ 42.401245][ T99] dump_stack+0x19/0x20 [ 42.401357][ T99] should_fail_ex+0x3c2/0x510 [ 42.401456][ T99] should_failslab+0xac/0x100 [ 42.401526][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.401594][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 42.401672][ T99] ? __alloc_skb+0x10c/0x360 [ 42.401759][ T99] ? __asan_memcpy+0x5a/0x80 [ 42.401810][ T99] __alloc_skb+0x10c/0x360 [ 42.401898][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 42.401987][ T99] ? __cfi_avc_has_perm+0x10/0x10 [ 42.402055][ T99] ? __kasan_check_write+0x18/0x20 [ 42.402121][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 42.402198][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 42.402264][ T99] ? __kasan_check_write+0x18/0x20 [ 42.402340][ T99] ? _raw_spin_lock+0x92/0x120 [ 42.402401][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.402480][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 42.402572][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 42.402659][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.402774][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 42.402858][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 42.402945][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.403035][ T99] __sys_sendto+0x68a/0x700 [ 42.403122][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 42.403221][ T99] ? __cfi___sys_connect+0x10/0x10 [ 42.403323][ T99] __x64_sys_sendto+0xe9/0x100 [ 42.403415][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 42.403480][ T99] do_syscall_64+0x57/0xf0 [ 42.403548][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.403628][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.403711][ T99] RIP: 0033:0x7fc1a85c6407 [ 42.403767][ T99] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.403816][ T99] RSP: 002b:00007ffd4d2a7c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.403885][ T99] RAX: ffffffffffffffda RBX: 00007fc1a8476c80 RCX: 00007fc1a85c6407 [ 42.403933][ T99] RDX: 0000000000000049 RSI: 00007ffd4d2a7dc0 RDI: 0000000000000003 [ 42.403978][ T99] RBP: 00007ffd4d2a81f0 R08: 0000000000000000 R09: 0000000000000000 [ 42.404022][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd4d2a8208 [ 42.404068][ T99] R13: 00007ffd4d2a7dc0 R14: 000000000000002e R15: 00007ffd4d2a7dc0 [ 42.404145][ T99] [ 42.405228][ T110] FAULT_INJECTION: forcing a failure. [ 42.405228][ T110] name failslab, interval 3, probability 10, space 0, times 57 [ 42.405257][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.405338][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.405389][ T110] Call Trace: [ 42.405403][ T110] [ 42.405419][ T110] __dump_stack+0x21/0x30 [ 42.405526][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.405615][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.405714][ T110] dump_stack+0x19/0x20 [ 42.405799][ T110] should_fail_ex+0x3c2/0x510 [ 42.405868][ T110] should_failslab+0xac/0x100 [ 42.405948][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 42.406021][ T110] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 42.406098][ T110] ? alloc_empty_file+0xbf/0x270 [ 42.406193][ T110] ? arch_stack_walk+0x10a/0x170 [ 42.406283][ T110] alloc_empty_file+0xbf/0x270 [ 42.406362][ T110] path_openat+0xf4/0x35a0 [ 42.406448][ T110] ? stack_depot_save_flags+0x38/0x800 [ 42.406519][ T110] ? __kasan_record_aux_stack+0xb2/0xd0 [ 42.406616][ T110] ? kasan_save_track+0x4f/0x80 [ 42.406683][ T110] ? kasan_save_track+0x3e/0x80 [ 42.406774][ T110] ? kasan_save_alloc_info+0x3a/0x50 [ 42.406876][ T110] ? __kasan_slab_alloc+0x73/0x90 [ 42.406961][ T110] ? getname+0x1b/0x30 [ 42.407027][ T110] ? do_sys_openat2+0xda/0x1d0 [ 42.407108][ T110] ? __x64_sys_openat+0x13a/0x170 [ 42.407196][ T110] ? x64_sys_call+0xe69/0x2ee0 [ 42.407244][ T110] ? do_syscall_64+0x57/0xf0 [ 42.407332][ T110] ? do_filp_open+0x440/0x440 [ 42.407419][ T110] do_filp_open+0x1f2/0x440 [ 42.407499][ T110] ? __cfi_do_filp_open+0x10/0x10 [ 42.407587][ T110] ? alloc_fd+0x4c1/0x570 [ 42.407656][ T110] do_sys_openat2+0x134/0x1d0 [ 42.407744][ T110] ? do_sys_open+0x100/0x100 [ 42.407837][ T110] __x64_sys_openat+0x13a/0x170 [ 42.407926][ T110] x64_sys_call+0xe69/0x2ee0 [ 42.407975][ T110] do_syscall_64+0x57/0xf0 [ 42.408042][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.408129][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.408232][ T110] RIP: 0033:0x7f21a14a7407 [ 42.408304][ T110] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.408359][ T110] RSP: 002b:00007fffe1524460 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 42.408427][ T110] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 42.408476][ T110] RDX: 0000000000080141 RSI: 000055abe1ae302e RDI: ffffffffffffff9c [ 42.408520][ T110] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.408563][ T110] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff [ 42.408600][ T110] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000 [ 42.408655][ T110] [ 42.408814][ T110] udevd[110]: could not touch /run/udev/queue: Cannot allocate memory [ 42.411724][ T9] usb (null): new high-speed USB device number 4 using dummy_hcd [ 42.417932][ T110] FAULT_INJECTION: forcing a failure. [ 42.417932][ T110] name failslab, interval 3, probability 10, space 0, times 56 [ 42.422028][ T382] CPU: 0 UID: 0 PID: 382 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.422115][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.422156][ T382] Call Trace: [ 42.422177][ T382] [ 42.422201][ T382] __dump_stack+0x21/0x30 [ 42.422301][ T382] dump_stack_lvl+0x140/0x1c0 [ 42.422378][ T382] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.422462][ T382] ? stack_trace_save+0xaa/0x100 [ 42.422529][ T382] ? stack_depot_save_flags+0x38/0x800 [ 42.422605][ T382] ? kasan_save_alloc_info+0x3a/0x50 [ 42.422692][ T382] ? __kasan_slab_alloc+0x73/0x90 [ 42.422766][ T382] dump_stack+0x19/0x20 [ 42.422844][ T382] should_fail_ex+0x3c2/0x510 [ 42.422910][ T382] should_failslab+0xac/0x100 [ 42.422984][ T382] kmem_cache_alloc_noprof+0x42/0x410 [ 42.423047][ T382] ? getname_flags+0xcc/0x6b0 [ 42.423105][ T382] getname_flags+0xcc/0x6b0 [ 42.423178][ T382] vfs_fstatat+0xcb/0x1d0 [ 42.423272][ T382] __se_sys_newfstatat+0x127/0x3c0 [ 42.423349][ T382] ? __x64_sys_newfstatat+0xc0/0xc0 [ 42.423427][ T382] ? __kasan_slab_free+0x6a/0x80 [ 42.423500][ T382] ? kmem_cache_free+0x1bd/0x4f0 [ 42.423560][ T382] ? putname+0x113/0x150 [ 42.423646][ T382] ? __kasan_check_write+0x18/0x20 [ 42.423704][ T382] ? do_user_addr_fault+0xbf5/0x1230 [ 42.423800][ T382] ? cp_old_stat+0x4d0/0x4d0 [ 42.423877][ T382] __x64_sys_newfstatat+0x9f/0xc0 [ 42.423952][ T382] x64_sys_call+0x1821/0x2ee0 [ 42.424012][ T382] do_syscall_64+0x57/0xf0 [ 42.424076][ T382] ? clear_bhb_loop+0x50/0xa0 [ 42.424152][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.424227][ T382] RIP: 0033:0x7f21a1511b0a [ 42.424274][ T382] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 42.424320][ T382] RSP: 002b:00007fffe151d3e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000106 [ 42.424383][ T382] RAX: ffffffffffffffda RBX: 000055abe1ae401b RCX: 00007f21a1511b0a [ 42.424426][ T382] RDX: 00007fffe151d3f0 RSI: 00007fffe151d480 RDI: 00000000ffffff9c [ 42.424490][ T382] RBP: 000055ac1af8f2e0 R08: 000055abe1ae401b R09: 0000000000000000 [ 42.424533][ T382] R10: 0000000000000100 R11: 0000000000000202 R12: 000055ac1af8f3d0 [ 42.424592][ T382] R13: 00007fffe151d480 R14: 00007fffe151f5c0 R15: 000055abe1aeabcc [ 42.424668][ T382] [ 42.425661][ T382] FAULT_INJECTION: forcing a failure. [ 42.425661][ T382] name failslab, interval 3, probability 10, space 0, times 55 [ 42.430292][ T99] FAULT_INJECTION: forcing a failure. [ 42.430292][ T99] name failslab, interval 3, probability 10, space 0, times 55 [ 42.440592][ T382] CPU: 0 UID: 0 PID: 382 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.440698][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.440733][ T382] Call Trace: [ 42.440762][ T382] [ 42.440824][ T382] __dump_stack+0x21/0x30 [ 42.440921][ T382] dump_stack_lvl+0x140/0x1c0 [ 42.440997][ T382] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.441084][ T382] dump_stack+0x19/0x20 [ 42.441159][ T382] should_fail_ex+0x3c2/0x510 [ 42.441232][ T382] should_failslab+0xac/0x100 [ 42.441302][ T382] kmem_cache_alloc_noprof+0x42/0x410 [ 42.441325][ T382] ? getname_flags+0xcc/0x6b0 [ 42.441395][ T382] ? kmem_cache_free+0x1bd/0x4f0 [ 42.441488][ T382] getname_flags+0xcc/0x6b0 [ 42.441568][ T382] ? putname+0x113/0x150 [ 42.441625][ T382] vfs_fstatat+0xcb/0x1d0 [ 42.441691][ T382] __se_sys_newfstatat+0x127/0x3c0 [ 42.441766][ T382] ? __x64_sys_newfstatat+0xc0/0xc0 [ 42.441850][ T382] ? __hrtimer_run_queues+0x877/0x8e0 [ 42.441945][ T382] ? kvm_sched_clock_read+0x15/0x30 [ 42.442030][ T382] ? sched_clock_noinstr+0xd/0x30 [ 42.442108][ T382] ? sched_clock+0x44/0x60 [ 42.442184][ T382] ? sched_clock_cpu+0x75/0x400 [ 42.442269][ T382] ? clockevents_program_event+0x254/0x350 [ 42.442324][ T382] ? irqtime_account_irq+0x51/0x1c0 [ 42.442411][ T382] ? handle_softirqs+0x54c/0x620 [ 42.442475][ T382] __x64_sys_newfstatat+0x9f/0xc0 [ 42.442551][ T382] x64_sys_call+0x1821/0x2ee0 [ 42.442606][ T382] do_syscall_64+0x57/0xf0 [ 42.442671][ T382] ? clear_bhb_loop+0x50/0xa0 [ 42.442748][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.442847][ T382] RIP: 0033:0x7f21a1511b0a [ 42.442916][ T382] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 42.442970][ T382] RSP: 002b:00007fffe15229b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 42.443034][ T382] RAX: ffffffffffffffda RBX: 000000000000000e RCX: 00007f21a1511b0a [ 42.443076][ T382] RDX: 00007fffe15229c0 RSI: 00007fffe1522a90 RDI: 00000000ffffff9c [ 42.443121][ T382] RBP: 00007fffe1523ad0 R08: 0000000000000000 R09: 0000000000000020 [ 42.443157][ T382] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe1523ef0 [ 42.443198][ T382] R13: 0000000000000000 R14: 000055abe1afe100 R15: 000055abe1afe140 [ 42.443244][ T382] [ 42.447718][ T382] FAULT_INJECTION: forcing a failure. [ 42.447718][ T382] name failslab, interval 3, probability 10, space 0, times 54 [ 42.451896][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.451996][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.452033][ T110] Call Trace: [ 42.452055][ T110] [ 42.452079][ T110] __dump_stack+0x21/0x30 [ 42.452190][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.452290][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.452390][ T110] ? avc_has_perm+0x155/0x240 [ 42.452486][ T110] dump_stack+0x19/0x20 [ 42.452589][ T110] should_fail_ex+0x3c2/0x510 [ 42.452659][ T110] should_failslab+0xac/0x100 [ 42.452747][ T110] __kmalloc_cache_noprof+0x41/0x470 [ 42.452802][ T110] ? kernfs_fop_open+0x357/0xd50 [ 42.452903][ T110] ? __kasan_check_write+0x18/0x20 [ 42.452970][ T110] kernfs_fop_open+0x357/0xd50 [ 42.453062][ T110] ? __cfi_kernfs_fop_open+0x10/0x10 [ 42.453152][ T110] do_dentry_open+0x97c/0x1510 [ 42.453250][ T110] vfs_open+0x86/0x240 [ 42.453342][ T110] ? __cfi_vfs_open+0x10/0x10 [ 42.453431][ T110] ? may_open+0x352/0x430 [ 42.453516][ T110] path_openat+0x2c49/0x35a0 [ 42.453607][ T110] ? kasan_save_alloc_info+0x3a/0x50 [ 42.453707][ T110] ? getname+0x1b/0x30 [ 42.453779][ T110] ? x64_sys_call+0xe69/0x2ee0 [ 42.453861][ T110] ? do_syscall_64+0x57/0xf0 [ 42.453955][ T110] ? do_filp_open+0x440/0x440 [ 42.454046][ T110] do_filp_open+0x1f2/0x440 [ 42.454127][ T110] ? __cfi_do_filp_open+0x10/0x10 [ 42.454227][ T110] ? alloc_fd+0x4c1/0x570 [ 42.454317][ T110] do_sys_openat2+0x134/0x1d0 [ 42.454407][ T110] ? do_sys_open+0x100/0x100 [ 42.454491][ T110] ? __kasan_check_write+0x18/0x20 [ 42.454559][ T110] ? do_user_addr_fault+0xbf5/0x1230 [ 42.454655][ T110] __x64_sys_openat+0x13a/0x170 [ 42.454748][ T110] x64_sys_call+0xe69/0x2ee0 [ 42.454799][ T110] do_syscall_64+0x57/0xf0 [ 42.454868][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.454951][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.455031][ T110] RIP: 0033:0x7f21a14a7407 [ 42.455097][ T110] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.455146][ T110] RSP: 002b:00007fffe151fed0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 42.455252][ T110] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 42.455316][ T110] RDX: 0000000000080000 RSI: 00007fffe1520050 RDI: ffffffffffffff9c [ 42.455361][ T110] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 42.455398][ T110] R10: 0000000000000000 R11: 0000000000000202 R12: 000055abe1ae37f5 [ 42.455442][ T110] R13: 000055abe1ae37f5 R14: 0000000000000001 R15: 0000000000000000 [ 42.455489][ T110] [ 42.455795][ T110] udevd[110]: worker [380] did not accept message -105 (No buffer space available), kill it [ 42.460698][ T110] FAULT_INJECTION: forcing a failure. [ 42.460698][ T110] name failslab, interval 3, probability 10, space 0, times 52 [ 42.475738][ T294] DMA32 free:2963332kB boost:0kB min:19080kB low:23848kB high:28616kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2963400kB mlocked:0kB bounce:0kB free_pcp:68kB local_pcp:68kB free_cma:0kB [ 42.494604][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.494713][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.494756][ T99] Call Trace: [ 42.494771][ T99] [ 42.494794][ T99] __dump_stack+0x21/0x30 [ 42.494911][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.494999][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.495087][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 42.495182][ T99] dump_stack+0x19/0x20 [ 42.495260][ T99] should_fail_ex+0x3c2/0x510 [ 42.495369][ T99] should_failslab+0xac/0x100 [ 42.495456][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.495530][ T99] ? __alloc_skb+0x10c/0x360 [ 42.495611][ T99] __alloc_skb+0x10c/0x360 [ 42.495688][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.495764][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 42.495856][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 42.495962][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 42.496029][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 42.496095][ T99] ? __kasan_check_write+0x18/0x20 [ 42.496158][ T99] ? _raw_spin_lock+0x92/0x120 [ 42.496224][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.496312][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 42.496403][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 42.496485][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.496610][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 42.496685][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 42.496775][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.496863][ T99] __sys_sendto+0x68a/0x700 [ 42.496950][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 42.497046][ T99] ? __cfi___sys_connect+0x10/0x10 [ 42.497145][ T99] ? __kasan_check_write+0x18/0x20 [ 42.497209][ T99] __x64_sys_sendto+0xe9/0x100 [ 42.497309][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 42.497373][ T99] do_syscall_64+0x57/0xf0 [ 42.497439][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.497518][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.497602][ T99] RIP: 0033:0x7fc1a85c6407 [ 42.497657][ T99] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.497711][ T99] RSP: 002b:00007ffd4d2a7c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.497768][ T99] RAX: ffffffffffffffda RBX: 00007fc1a8476c80 RCX: 00007fc1a85c6407 [ 42.497807][ T99] RDX: 00000000000000f9 RSI: 00007ffd4d2a7dc0 RDI: 0000000000000003 [ 42.497849][ T99] RBP: 00007ffd4d2a81f0 R08: 0000000000000000 R09: 0000000000000000 [ 42.497894][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd4d2a8208 [ 42.497950][ T99] R13: 00007ffd4d2a7dc0 R14: 00000000000000de R15: 00007ffd4d2a7dc0 [ 42.498018][ T99] [ 42.503830][ T99] FAULT_INJECTION: forcing a failure. [ 42.503830][ T99] name failslab, interval 3, probability 10, space 0, times 48 [ 42.510574][ T382] CPU: 0 UID: 0 PID: 382 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.510691][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.510736][ T382] Call Trace: [ 42.510759][ T382] [ 42.510793][ T382] __dump_stack+0x21/0x30 [ 42.510896][ T382] dump_stack_lvl+0x140/0x1c0 [ 42.510987][ T382] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.511080][ T382] ? cred_has_capability+0x296/0x3a0 [ 42.511148][ T382] dump_stack+0x19/0x20 [ 42.511254][ T382] should_fail_ex+0x3c2/0x510 [ 42.511326][ T382] should_failslab+0xac/0x100 [ 42.511397][ T382] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.511466][ T382] ? __alloc_skb+0x10c/0x360 [ 42.511551][ T382] ? selinux_capable+0x38/0x50 [ 42.511633][ T382] __alloc_skb+0x10c/0x360 [ 42.511722][ T382] netlink_alloc_large_skb+0xf7/0x1b0 [ 42.511823][ T382] netlink_sendmsg+0x576/0xad0 [ 42.511892][ T382] ? __cfi_netlink_sendmsg+0x10/0x10 [ 42.511947][ T382] ? stack_trace_save+0xaa/0x100 [ 42.511975][ T382] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 42.512011][ T382] ? security_socket_sendmsg+0x3d/0x100 [ 42.512127][ T382] ____sys_sendmsg+0x9a1/0xa00 [ 42.512203][ T382] ? __import_iovec+0x3fa/0x7d0 [ 42.512314][ T382] ? __sys_sendmsg_sock+0x50/0x50 [ 42.512379][ T382] ? import_iovec+0x80/0xb0 [ 42.512457][ T382] ___sys_sendmsg+0x2a6/0x370 [ 42.512521][ T382] ? __sys_sendmsg+0x2a0/0x2a0 [ 42.512594][ T382] ? putname+0x113/0x150 [ 42.512672][ T382] ? __kasan_check_read+0x15/0x20 [ 42.512736][ T382] __x64_sys_sendmsg+0x206/0x2e0 [ 42.512802][ T382] ? __cfi_do_renameat2+0x10/0x10 [ 42.512859][ T382] ? __cfi___x64_sys_sendmsg+0x10/0x10 [ 42.512931][ T382] ? __kasan_check_write+0x18/0x20 [ 42.512987][ T382] ? fpregs_restore_userregs+0x11c/0x260 [ 42.513063][ T382] ? switch_fpu_return+0x12/0x20 [ 42.513140][ T382] x64_sys_call+0x2a4c/0x2ee0 [ 42.513197][ T382] do_syscall_64+0x57/0xf0 [ 42.513262][ T382] ? clear_bhb_loop+0x50/0xa0 [ 42.513350][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.513426][ T382] RIP: 0033:0x7f21a14a7407 [ 42.513489][ T382] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.513567][ T382] RSP: 002b:00007fffe15242a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.513641][ T382] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 42.513692][ T382] RDX: 0000000000000000 RSI: 00007fffe1524300 RDI: 000000000000000c [ 42.513733][ T382] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.513785][ T382] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000e9 [ 42.513819][ T382] R13: 000055ac1af8c2e0 R14: 0000000000000000 R15: 0000000000000000 [ 42.513871][ T382] [ 42.519192][ T294] lowmem_reserve[]: [ 42.522561][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.522691][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.522741][ T110] Call Trace: [ 42.522764][ T110] [ 42.522780][ T110] __dump_stack+0x21/0x30 [ 42.522874][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.522961][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.523040][ T110] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 42.523114][ T110] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 42.523181][ T110] dump_stack+0x19/0x20 [ 42.523259][ T110] should_fail_ex+0x3c2/0x510 [ 42.523341][ T110] should_failslab+0xac/0x100 [ 42.523415][ T110] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 42.523479][ T110] ? __sock_create+0x3a5/0x810 [ 42.523554][ T110] ? __sys_socket+0xe1/0x1c0 [ 42.523644][ T110] ? __d_alloc+0x42/0x8c0 [ 42.523708][ T110] ? expand_files+0xda/0x6f0 [ 42.523771][ T110] __d_alloc+0x42/0x8c0 [ 42.523834][ T110] d_alloc_pseudo+0x23/0xc0 [ 42.523890][ T110] alloc_file_pseudo+0xde/0x1f0 [ 42.523969][ T110] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 42.524078][ T110] ? _raw_spin_unlock+0x45/0x60 [ 42.524170][ T110] sock_alloc_file+0xbe/0x2b0 [ 42.524248][ T110] __sys_socket+0x14c/0x1c0 [ 42.524338][ T110] __x64_sys_socket+0x7e/0x90 [ 42.524426][ T110] x64_sys_call+0x2608/0x2ee0 [ 42.524483][ T110] do_syscall_64+0x57/0xf0 [ 42.524553][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.524641][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.524721][ T110] RIP: 0033:0x7f21a1522707 [ 42.524769][ T110] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 42.524827][ T110] RSP: 002b:00007fffe1524388 EFLAGS: 00000286 ORIG_RAX: 0000000000000029 [ 42.524889][ T110] RAX: ffffffffffffffda RBX: 000055ac1af9fca0 RCX: 00007f21a1522707 [ 42.524942][ T110] RDX: 000000000000000f RSI: 0000000000080803 RDI: 0000000000000010 [ 42.524979][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000010 R09: 000055ac1af83020 [ 42.525024][ T110] R10: 0000000000000044 R11: 0000000000000286 R12: 00000000ffffffff [ 42.525069][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.525115][ T110] [ 42.526403][ T110] FAULT_INJECTION: forcing a failure. [ 42.526403][ T110] name failslab, interval 3, probability 10, space 0, times 45 [ 42.530989][ T294] 0 [ 42.532220][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.532334][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.532379][ T110] Call Trace: [ 42.532401][ T110] [ 42.532424][ T110] __dump_stack+0x21/0x30 [ 42.532515][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.532603][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.532692][ T110] ? kasan_save_alloc_info+0x3a/0x50 [ 42.532796][ T110] dump_stack+0x19/0x20 [ 42.532923][ T110] should_fail_ex+0x3c2/0x510 [ 42.533022][ T110] should_failslab+0xac/0x100 [ 42.533101][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 42.533161][ T110] ? anon_vma_fork+0xf4/0x610 [ 42.533237][ T110] anon_vma_fork+0xf4/0x610 [ 42.533296][ T110] ? dup_userfaultfd+0xaa/0x700 [ 42.533371][ T110] copy_mm+0xc14/0x1da0 [ 42.533451][ T110] ? copy_signal+0x6a0/0x6a0 [ 42.533529][ T110] ? _raw_spin_lock+0x92/0x120 [ 42.533614][ T110] ? __asan_memset+0x39/0x50 [ 42.533695][ T110] ? __init_rwsem+0x110/0x1f0 [ 42.533801][ T110] ? copy_signal+0x4d5/0x6a0 [ 42.533878][ T110] copy_process+0x12a4/0x3350 [ 42.533967][ T110] ? __cfi_copy_process+0x10/0x10 [ 42.534043][ T110] ? selinux_socket_setsockopt+0x324/0x3d0 [ 42.534122][ T110] ? __kasan_check_write+0x18/0x20 [ 42.534187][ T110] kernel_clone+0x233/0x810 [ 42.534276][ T110] ? _raw_spin_lock_irq+0x93/0x120 [ 42.534342][ T110] ? __cfi_kernel_clone+0x10/0x10 [ 42.534422][ T110] ? __kasan_check_write+0x18/0x20 [ 42.534487][ T110] ? recalc_sigpending+0x16c/0x1d0 [ 42.534560][ T110] __x64_sys_clone+0x1b7/0x230 [ 42.534643][ T110] ? _copy_to_user+0x7d/0xa0 [ 42.534722][ T110] ? __cfi___x64_sys_clone+0x10/0x10 [ 42.534796][ T110] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 42.534896][ T110] ? __kasan_check_read+0x15/0x20 [ 42.534971][ T110] x64_sys_call+0x2b3c/0x2ee0 [ 42.535044][ T110] do_syscall_64+0x57/0xf0 [ 42.535143][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.535223][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.535318][ T110] RIP: 0033:0x7f21a14f1636 [ 42.535382][ T110] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 42.535501][ T110] RSP: 002b:00007fffe1524290 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 42.535570][ T110] RAX: ffffffffffffffda RBX: 00007fffe1524298 RCX: 00007f21a14f1636 [ 42.535624][ T110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 42.535662][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000000 R09: 000055ac1af83020 [ 42.535706][ T110] R10: 00007f21a1b6fb50 R11: 0000000000000246 R12: 00007fffe1524650 [ 42.535751][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.535810][ T110] [ 42.536886][ T110] udevd[110]: fork of child failed: Cannot allocate memory [ 42.537505][ T294] 3921 [ 42.542433][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.542567][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.542624][ T99] Call Trace: [ 42.542658][ T99] [ 42.542675][ T99] __dump_stack+0x21/0x30 [ 42.542774][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.542862][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.542943][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 42.543032][ T99] dump_stack+0x19/0x20 [ 42.543114][ T99] should_fail_ex+0x3c2/0x510 [ 42.543199][ T99] should_failslab+0xac/0x100 [ 42.543285][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.543352][ T99] ? __alloc_skb+0x10c/0x360 [ 42.543440][ T99] __alloc_skb+0x10c/0x360 [ 42.543517][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.543593][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 42.543682][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 42.543795][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 42.543873][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 42.543955][ T99] ? __kasan_check_write+0x18/0x20 [ 42.544037][ T99] ? _raw_spin_lock+0x92/0x120 [ 42.544105][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.544181][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 42.544292][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 42.544383][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.544489][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 42.544557][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 42.544645][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.544727][ T99] __sys_sendto+0x68a/0x700 [ 42.544821][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 42.544920][ T99] ? __cfi___sys_connect+0x10/0x10 [ 42.545011][ T99] ? __kasan_check_write+0x18/0x20 [ 42.545069][ T99] __x64_sys_sendto+0xe9/0x100 [ 42.545166][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 42.545223][ T99] do_syscall_64+0x57/0xf0 [ 42.545308][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.545418][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.545505][ T99] RIP: 0033:0x7fc1a85c6407 [ 42.545561][ T99] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.545617][ T99] RSP: 002b:00007ffd4d2a7c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.545685][ T99] RAX: ffffffffffffffda RBX: 00007fc1a8476c80 RCX: 00007fc1a85c6407 [ 42.545732][ T99] RDX: 000000000000004e RSI: 00007ffd4d2a7dc0 RDI: 0000000000000003 [ 42.545768][ T99] RBP: 00007ffd4d2a81f0 R08: 0000000000000000 R09: 0000000000000000 [ 42.545812][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd4d2a8208 [ 42.545849][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000033 R15: 00007ffd4d2a7dc0 [ 42.545904][ T99] [ 42.552069][ T382] FAULT_INJECTION: forcing a failure. [ 42.552069][ T382] name failslab, interval 3, probability 10, space 0, times 43 [ 42.552150][ T382] CPU: 1 UID: 0 PID: 382 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.552179][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.552203][ T382] Call Trace: [ 42.552227][ T382] [ 42.552259][ T382] __dump_stack+0x21/0x30 [ 42.552405][ T382] dump_stack_lvl+0x140/0x1c0 [ 42.552492][ T382] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.552587][ T382] ? avc_has_perm+0x155/0x240 [ 42.552664][ T382] dump_stack+0x19/0x20 [ 42.552742][ T382] should_fail_ex+0x3c2/0x510 [ 42.552805][ T382] should_failslab+0xac/0x100 [ 42.552882][ T382] __kmalloc_cache_noprof+0x41/0x470 [ 42.552956][ T382] ? kernfs_fop_open+0x357/0xd50 [ 42.553043][ T382] ? __kasan_check_write+0x18/0x20 [ 42.553107][ T382] kernfs_fop_open+0x357/0xd50 [ 42.553196][ T382] ? __cfi_kernfs_fop_open+0x10/0x10 [ 42.553293][ T382] do_dentry_open+0x97c/0x1510 [ 42.553382][ T382] vfs_open+0x86/0x240 [ 42.553461][ T382] ? __cfi_vfs_open+0x10/0x10 [ 42.553549][ T382] ? may_open+0x352/0x430 [ 42.553627][ T382] path_openat+0x2c49/0x35a0 [ 42.553743][ T382] ? kasan_save_alloc_info+0x3a/0x50 [ 42.553850][ T382] ? getname+0x1b/0x30 [ 42.553916][ T382] ? x64_sys_call+0xe69/0x2ee0 [ 42.553979][ T382] ? do_syscall_64+0x57/0xf0 [ 42.554055][ T382] ? do_filp_open+0x440/0x440 [ 42.554134][ T382] do_filp_open+0x1f2/0x440 [ 42.554219][ T382] ? __cfi_do_filp_open+0x10/0x10 [ 42.554316][ T382] ? alloc_fd+0x4c1/0x570 [ 42.554384][ T382] do_sys_openat2+0x134/0x1d0 [ 42.554480][ T382] ? do_sys_open+0x100/0x100 [ 42.554569][ T382] ? __cfi_do_unlinkat+0x10/0x10 [ 42.554658][ T382] __x64_sys_openat+0x13a/0x170 [ 42.554747][ T382] x64_sys_call+0xe69/0x2ee0 [ 42.554789][ T382] do_syscall_64+0x57/0xf0 [ 42.554858][ T382] ? clear_bhb_loop+0x50/0xa0 [ 42.554937][ T382] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.555016][ T382] RIP: 0033:0x7f21a14a7407 [ 42.555085][ T382] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.555148][ T382] RSP: 002b:00007fffe151fd10 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 42.555222][ T382] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 42.555286][ T382] RDX: 0000000000080000 RSI: 00007fffe151fe90 RDI: ffffffffffffff9c [ 42.555331][ T382] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 42.555373][ T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000055abe1ae37f5 [ 42.555408][ T382] R13: 000055abe1ae37f5 R14: 0000000000000001 R15: 0000000000000000 [ 42.555462][ T382] [ 42.555818][ T382] udevd[382]: failed to send result of seq 4191 to main daemon: No buffer space available [ 42.558588][ T386] FAULT_INJECTION: forcing a failure. [ 42.558588][ T386] name failslab, interval 3, probability 10, space 0, times 41 [ 42.563657][ T110] FAULT_INJECTION: forcing a failure. [ 42.563657][ T110] name failslab, interval 3, probability 10, space 0, times 41 [ 42.566584][ T386] CPU: 0 UID: 0 PID: 386 Comm: syz.0.27 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.566675][ T386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.566786][ T386] Call Trace: [ 42.566815][ T386] [ 42.566838][ T386] __dump_stack+0x21/0x30 [ 42.566944][ T386] dump_stack_lvl+0x140/0x1c0 [ 42.567029][ T386] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.567125][ T386] dump_stack+0x19/0x20 [ 42.567202][ T386] should_fail_ex+0x3c2/0x510 [ 42.567267][ T386] should_failslab+0xac/0x100 [ 42.567336][ T386] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.567400][ T386] ? __kasan_check_write+0x18/0x20 [ 42.567454][ T386] ? __alloc_skb+0x10c/0x360 [ 42.567528][ T386] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 42.567600][ T386] __alloc_skb+0x10c/0x360 [ 42.567676][ T386] inet6_rt_notify+0x351/0x520 [ 42.567740][ T386] ? __cfi_inet6_rt_notify+0x10/0x10 [ 42.567804][ T386] ? call_fib_notifiers+0xa4/0xc0 [ 42.567867][ T386] fib6_del+0xba0/0xf50 [ 42.567950][ T386] ? __cfi_fib6_del+0x10/0x10 [ 42.568025][ T386] ? kernel_text_address+0xa9/0xe0 [ 42.568125][ T386] ? fib6_ifdown+0x2f1/0x4f0 [ 42.568202][ T386] fib6_clean_node+0x2b9/0x560 [ 42.568281][ T386] ? __cfi_fib6_clean_node+0x10/0x10 [ 42.568369][ T386] fib6_walk_continue+0x518/0x740 [ 42.568457][ T386] __fib6_clean_all+0x2a2/0x440 [ 42.568540][ T386] ? __cfi_fib6_ifdown+0x10/0x10 [ 42.568596][ T386] ? fib6_clean_all+0x50/0x50 [ 42.568678][ T386] ? __cfi_fib6_clean_node+0x10/0x10 [ 42.568754][ T386] ? __cfi_fib6_ifdown+0x10/0x10 [ 42.568830][ T386] ? __cfi_fib6_ifdown+0x10/0x10 [ 42.568884][ T386] fib6_clean_all+0x2e/0x50 [ 42.568959][ T386] rt6_disable_ip+0x124/0x810 [ 42.569013][ T386] ? __queue_work+0xb67/0x1130 [ 42.569093][ T386] ? __cfi_rt6_disable_ip+0x10/0x10 [ 42.569157][ T386] ? __kasan_check_read+0x15/0x20 [ 42.569214][ T386] addrconf_ifdown+0x161/0x1970 [ 42.569282][ T386] ? arch_do_signal_or_restart+0xbc/0x700 [ 42.569337][ T386] ? __try_to_del_timer_sync+0x2e8/0x440 [ 42.569413][ T386] ? addrconf_cleanup+0x150/0x150 [ 42.569484][ T386] ? __kasan_check_write+0x18/0x20 [ 42.569554][ T386] ? mutex_unlock+0x90/0x240 [ 42.569653][ T386] ? __cfi_mutex_unlock+0x10/0x10 [ 42.569728][ T386] ? __cfi_device_cmp+0x10/0x10 [ 42.569804][ T386] ? masq_device_event+0xe0/0xe0 [ 42.569879][ T386] addrconf_notify+0x17a/0xeb0 [ 42.569943][ T386] ? ip6mr_device_event+0x1ed/0x230 [ 42.569998][ T386] ? __cfi_addrconf_notify+0x10/0x10 [ 42.570062][ T386] notifier_call_chain+0x106/0x2b0 [ 42.570125][ T386] raw_notifier_call_chain+0x31/0x40 [ 42.570180][ T386] dev_close_many+0x332/0x4f0 [ 42.570244][ T386] ? __cfi_dev_close_many+0x10/0x10 [ 42.570304][ T386] ? __kasan_check_read+0x15/0x20 [ 42.570366][ T386] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 42.570444][ T386] ? __queue_work+0xb67/0x1130 [ 42.570511][ T386] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 42.570603][ T386] ? __queue_delayed_work+0x18e/0x240 [ 42.570694][ T386] ? queue_delayed_work_on+0x16f/0x1f0 [ 42.570783][ T386] ? __kasan_check_read+0x15/0x20 [ 42.570855][ T386] unregister_netdevice_queue+0x302/0x350 [ 42.570950][ T386] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 42.571028][ T386] ? linkwatch_fire_event+0x212/0x260 [ 42.571109][ T386] __tun_detach+0xc98/0x1450 [ 42.571183][ T386] ? __cfi_tun_chr_close+0x10/0x10 [ 42.571239][ T386] tun_chr_close+0x93/0x150 [ 42.571289][ T386] __fput+0x20b/0xa30 [ 42.571368][ T386] ____fput+0x20/0x30 [ 42.571446][ T386] task_work_run+0x1e8/0x260 [ 42.571531][ T386] ? __cfi_task_work_run+0x10/0x10 [ 42.571600][ T386] ? free_nsproxy+0x223/0x290 [ 42.571647][ T386] do_exit+0xa46/0x2850 [ 42.571694][ T386] ? __cfi_do_exit+0x10/0x10 [ 42.571798][ T386] ? __kasan_check_write+0x18/0x20 [ 42.571865][ T386] ? _raw_spin_lock_irq+0x93/0x120 [ 42.571933][ T386] ? __kasan_check_read+0x15/0x20 [ 42.571998][ T386] do_group_exit+0x21f/0x2f0 [ 42.572077][ T386] ? cgroup_leave_frozen+0x16a/0x2a0 [ 42.572163][ T386] get_signal+0x134c/0x1490 [ 42.572252][ T386] arch_do_signal_or_restart+0xbc/0x700 [ 42.572296][ T386] ? common_nsleep+0x93/0xb0 [ 42.572372][ T386] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 42.572429][ T386] ? __se_sys_clock_nanosleep+0x321/0x3b0 [ 42.572508][ T386] ? __kasan_check_read+0x15/0x20 [ 42.572573][ T386] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 42.572660][ T386] syscall_exit_to_user_mode+0x57/0xb0 [ 42.572750][ T386] do_syscall_64+0x63/0xf0 [ 42.572825][ T386] ? clear_bhb_loop+0x50/0xa0 [ 42.572905][ T386] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.572983][ T386] RIP: 0033:0x7f902795e6ce [ 42.573037][ T386] Code: Unable to access opcode bytes at 0x7f902795e6a4. [ 42.573070][ T386] RSP: 002b:00007f90288e6f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 [ 42.573146][ T386] RAX: fffffffffffffdfc RBX: 00007f90288e76c0 RCX: 00007f902795e6ce [ 42.573208][ T386] RDX: 00007f90288e6fb0 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.573259][ T386] RBP: 00007f9027a33eaf R08: 0000000000000000 R09: 0000000000000000 [ 42.573316][ T386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.573351][ T386] R13: 00007f9027c26038 R14: 00007f9027c25fa0 R15: 00007ffe0713f668 [ 42.573406][ T386] [ 42.576372][ T294] 3921 [ 42.581539][ T99] FAULT_INJECTION: forcing a failure. [ 42.581539][ T99] name failslab, interval 3, probability 10, space 0, times 39 [ 42.589643][ T294] [ 42.598020][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.598118][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.598153][ T99] Call Trace: [ 42.598174][ T99] [ 42.598213][ T99] __dump_stack+0x21/0x30 [ 42.598346][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.598432][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.598531][ T99] dump_stack+0x19/0x20 [ 42.598611][ T99] should_fail_ex+0x3c2/0x510 [ 42.598679][ T99] should_failslab+0xac/0x100 [ 42.598755][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 42.598834][ T99] ? security_inode_alloc+0x51/0x230 [ 42.598912][ T99] security_inode_alloc+0x51/0x230 [ 42.598989][ T99] inode_init_always_gfp+0x756/0x9e0 [ 42.599078][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 42.599145][ T99] alloc_inode+0xc5/0x270 [ 42.599218][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 42.599292][ T99] new_inode_pseudo+0x19/0x40 [ 42.599365][ T99] __sock_create+0x130/0x810 [ 42.599448][ T99] __sys_socket+0xe1/0x1c0 [ 42.599522][ T99] __x64_sys_socket+0x7e/0x90 [ 42.599612][ T99] x64_sys_call+0x2608/0x2ee0 [ 42.599681][ T99] do_syscall_64+0x57/0xf0 [ 42.599808][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.599894][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.599968][ T99] RIP: 0033:0x7fc1a8641707 [ 42.600021][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 42.600072][ T99] RSP: 002b:00007ffd4d2a7c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 42.600145][ T99] RAX: ffffffffffffffda RBX: 0000000000000051 RCX: 00007fc1a8641707 [ 42.600188][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 42.600222][ T99] RBP: 00007fc1a86cd560 R08: 0000000000000000 R09: 0000000000000000 [ 42.600274][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 42.600316][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000036 R15: 00007ffd4d2a7dc0 [ 42.600362][ T99] [ 42.600412][ T99] socket: no more sockets [ 42.607149][ T294] Normal free:3220808kB boost:0kB min:25972kB low:32464kB high:38956kB reserved_highatomic:0KB free_highatomic:0KB active_anon:21636kB inactive_anon:0kB active_file:23228kB inactive_file:9168kB unevictable:0kB writepending:6092kB present:5242880kB managed:4015864kB mlocked:0kB bounce:0kB free_pcp:4132kB local_pcp:196kB free_cma:0kB [ 42.614889][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.614997][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.615032][ T110] Call Trace: [ 42.615053][ T110] [ 42.615076][ T110] __dump_stack+0x21/0x30 [ 42.615173][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.615251][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.615346][ T110] ? avc_has_perm_noaudit+0x289/0x360 [ 42.615438][ T110] dump_stack+0x19/0x20 [ 42.615538][ T110] should_fail_ex+0x3c2/0x510 [ 42.615605][ T110] should_failslab+0xac/0x100 [ 42.615681][ T110] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 42.615747][ T110] ? sock_alloc_inode+0x48/0x150 [ 42.615817][ T110] sock_alloc_inode+0x48/0x150 [ 42.615892][ T110] ? __cfi_sock_alloc_inode+0x10/0x10 [ 42.615971][ T110] alloc_inode+0x7a/0x270 [ 42.616048][ T110] ? bpf_lsm_socket_create+0xd/0x20 [ 42.616115][ T110] new_inode_pseudo+0x19/0x40 [ 42.616190][ T110] __sock_create+0x130/0x810 [ 42.616278][ T110] __sys_socket+0xe1/0x1c0 [ 42.616355][ T110] __x64_sys_socket+0x7e/0x90 [ 42.616433][ T110] x64_sys_call+0x2608/0x2ee0 [ 42.616488][ T110] do_syscall_64+0x57/0xf0 [ 42.616560][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.616638][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.616714][ T110] RIP: 0033:0x7f21a1522707 [ 42.616770][ T110] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 42.616839][ T110] RSP: 002b:00007fffe1524388 EFLAGS: 00000286 ORIG_RAX: 0000000000000029 [ 42.616906][ T110] RAX: ffffffffffffffda RBX: 000055ac1b02fd20 RCX: 00007f21a1522707 [ 42.616959][ T110] RDX: 000000000000000f RSI: 0000000000080803 RDI: 0000000000000010 [ 42.617002][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000010 R09: 000055ac1af83020 [ 42.617037][ T110] R10: 0000000000000044 R11: 0000000000000286 R12: 00000000ffffffff [ 42.617080][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.617124][ T110] [ 42.617156][ T110] socket: no more sockets [ 42.624150][ T9] usb (null): New USB device found, idVendor=0711, idProduct=0902, bcdDevice= 1.00 [ 42.638532][ T110] FAULT_INJECTION: forcing a failure. [ 42.638532][ T110] name failslab, interval 3, probability 10, space 0, times 37 [ 42.638597][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.638688][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.638741][ T110] Call Trace: [ 42.638777][ T110] [ 42.638815][ T110] __dump_stack+0x21/0x30 [ 42.638912][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.638993][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.639081][ T110] dump_stack+0x19/0x20 [ 42.639173][ T110] should_fail_ex+0x3c2/0x510 [ 42.639247][ T110] should_failslab+0xac/0x100 [ 42.639335][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 42.639416][ T110] ? vm_area_dup+0x3f/0x560 [ 42.639484][ T110] ? __kasan_check_read+0x15/0x20 [ 42.639550][ T110] vm_area_dup+0x3f/0x560 [ 42.639619][ T110] ? copy_mm+0xb0e/0x1da0 [ 42.639690][ T110] copy_mm+0xb16/0x1da0 [ 42.639762][ T110] ? copy_signal+0x6a0/0x6a0 [ 42.639834][ T110] ? _raw_spin_lock+0x92/0x120 [ 42.639911][ T110] ? __asan_memset+0x39/0x50 [ 42.639968][ T110] ? __init_rwsem+0x110/0x1f0 [ 42.640058][ T110] ? copy_signal+0x4d5/0x6a0 [ 42.640168][ T110] copy_process+0x12a4/0x3350 [ 42.640276][ T110] ? __cfi_copy_process+0x10/0x10 [ 42.640356][ T110] ? selinux_socket_setsockopt+0x324/0x3d0 [ 42.640448][ T110] ? __kasan_check_write+0x18/0x20 [ 42.640516][ T110] kernel_clone+0x233/0x810 [ 42.640596][ T110] ? _raw_spin_lock_irq+0x93/0x120 [ 42.640672][ T110] ? __cfi_kernel_clone+0x10/0x10 [ 42.640753][ T110] ? __kasan_check_write+0x18/0x20 [ 42.640815][ T110] ? recalc_sigpending+0x16c/0x1d0 [ 42.640891][ T110] __x64_sys_clone+0x1b7/0x230 [ 42.640969][ T110] ? _copy_to_user+0x7d/0xa0 [ 42.641058][ T110] ? __cfi___x64_sys_clone+0x10/0x10 [ 42.641131][ T110] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 42.641239][ T110] ? __kasan_check_read+0x15/0x20 [ 42.641335][ T110] x64_sys_call+0x2b3c/0x2ee0 [ 42.641392][ T110] do_syscall_64+0x57/0xf0 [ 42.641477][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.641590][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.641677][ T110] RIP: 0033:0x7f21a14f1636 [ 42.641726][ T110] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 42.641776][ T110] RSP: 002b:00007fffe1524290 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 42.641845][ T110] RAX: ffffffffffffffda RBX: 00007fffe1524298 RCX: 00007f21a14f1636 [ 42.641891][ T110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 42.641933][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000000 R09: 000055ac1af83020 [ 42.641979][ T110] R10: 00007f21a1b6fb50 R11: 0000000000000246 R12: 00007fffe1524650 [ 42.642017][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.642071][ T110] [ 42.648339][ T99] FAULT_INJECTION: forcing a failure. [ 42.648339][ T99] name failslab, interval 3, probability 10, space 0, times 36 [ 42.654205][ T294] lowmem_reserve[]: [ 42.659036][ T110] udevd[110]: fork of child failed: Cannot allocate memory [ 42.678049][ T9] usb (null): New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.686426][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.686536][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.686589][ T99] Call Trace: [ 42.686612][ T99] [ 42.686645][ T99] __dump_stack+0x21/0x30 [ 42.686819][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.686909][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.687011][ T99] ? tracing_record_taskinfo_sched_switch+0x78/0x390 [ 42.687104][ T99] dump_stack+0x19/0x20 [ 42.687187][ T99] should_fail_ex+0x3c2/0x510 [ 42.687277][ T99] should_failslab+0xac/0x100 [ 42.687358][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.687435][ T99] ? __alloc_skb+0x10c/0x360 [ 42.687528][ T99] __alloc_skb+0x10c/0x360 [ 42.687610][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.687690][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 42.687766][ T99] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 42.687890][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 42.687986][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 42.688055][ T99] ? __kasan_check_write+0x18/0x20 [ 42.688123][ T99] ? _raw_spin_lock+0x92/0x120 [ 42.688192][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.688275][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 42.688377][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 42.688469][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.688564][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 42.688643][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 42.688734][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.688874][ T99] __sys_sendto+0x68a/0x700 [ 42.688969][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 42.689070][ T99] ? __cfi___sys_connect+0x10/0x10 [ 42.689173][ T99] ? __kasan_check_write+0x18/0x20 [ 42.689273][ T99] __x64_sys_sendto+0xe9/0x100 [ 42.689391][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 42.689458][ T99] do_syscall_64+0x57/0xf0 [ 42.689530][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.689611][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.689684][ T99] RIP: 0033:0x7fc1a85c6407 [ 42.689750][ T99] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.689798][ T99] RSP: 002b:00007ffd4d2a7c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.689876][ T99] RAX: ffffffffffffffda RBX: 00007fc1a8476c80 RCX: 00007fc1a85c6407 [ 42.689940][ T99] RDX: 0000000000000073 RSI: 00007ffd4d2a7dc0 RDI: 0000000000000003 [ 42.689985][ T99] RBP: 00007ffd4d2a81f0 R08: 0000000000000000 R09: 0000000000000000 [ 42.690029][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd4d2a8208 [ 42.690073][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000058 R15: 00007ffd4d2a7dc0 [ 42.690127][ T99] [ 42.691465][ T99] FAULT_INJECTION: forcing a failure. [ 42.691465][ T99] name failslab, interval 3, probability 10, space 0, times 34 [ 42.694837][ T9] usb (null): can't device_add, error -22 [ 42.709130][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.709255][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.709310][ T99] Call Trace: [ 42.709334][ T99] [ 42.709368][ T99] __dump_stack+0x21/0x30 [ 42.709514][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.709619][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.709704][ T99] ? should_fail_ex+0x100/0x510 [ 42.709783][ T99] dump_stack+0x19/0x20 [ 42.709873][ T99] should_fail_ex+0x3c2/0x510 [ 42.709976][ T99] should_failslab+0xac/0x100 [ 42.710054][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.710122][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 42.710198][ T99] ? __alloc_skb+0x10c/0x360 [ 42.710276][ T99] ? __asan_memcpy+0x5a/0x80 [ 42.710327][ T99] __alloc_skb+0x10c/0x360 [ 42.710383][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 42.710415][ T99] ? __cfi_avc_has_perm+0x10/0x10 [ 42.710445][ T99] ? __kasan_check_write+0x18/0x20 [ 42.710469][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 42.710550][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 42.710626][ T99] ? __kasan_check_write+0x18/0x20 [ 42.710698][ T99] ? _raw_spin_lock+0x92/0x120 [ 42.710776][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 42.710853][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 42.710954][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 42.711050][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.711141][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 42.711216][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 42.711307][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 42.711396][ T99] __sys_sendto+0x68a/0x700 [ 42.711479][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 42.711567][ T99] ? selinux_socket_connect+0x27/0x40 [ 42.711654][ T99] ? __cfi___sys_connect+0x10/0x10 [ 42.711751][ T99] ? fd_install+0x246/0x400 [ 42.711818][ T99] ? __sys_socket+0x16d/0x1c0 [ 42.711915][ T99] __x64_sys_sendto+0xe9/0x100 [ 42.712043][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 42.712115][ T99] do_syscall_64+0x57/0xf0 [ 42.712183][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.712270][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.712356][ T99] RIP: 0033:0x7fc1a85c6407 [ 42.712417][ T99] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.712480][ T99] RSP: 002b:00007ffd4d2a7c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 42.712546][ T99] RAX: ffffffffffffffda RBX: 00007fc1a8476c80 RCX: 00007fc1a85c6407 [ 42.712592][ T99] RDX: 0000000000000053 RSI: 00007ffd4d2a7dc0 RDI: 0000000000000003 [ 42.712645][ T99] RBP: 00007ffd4d2a81f0 R08: 0000000000000000 R09: 0000000000000000 [ 42.712681][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd4d2a8208 [ 42.712725][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000038 R15: 00007ffd4d2a7dc0 [ 42.712780][ T99] [ 42.714031][ T99] FAULT_INJECTION: forcing a failure. [ 42.714031][ T99] name failslab, interval 3, probability 10, space 0, times 33 [ 42.721635][ T294] 0 [ 42.727587][ T110] udevd[110]: worker [380] terminated by signal 9 (Killed) [ 42.742360][ T286] FAULT_INJECTION: forcing a failure. [ 42.742360][ T286] name failslab, interval 3, probability 10, space 0, times 33 [ 42.744585][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.744681][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.744717][ T99] Call Trace: [ 42.744739][ T99] [ 42.744762][ T99] __dump_stack+0x21/0x30 [ 42.744864][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.744982][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.745074][ T99] dump_stack+0x19/0x20 [ 42.745165][ T99] should_fail_ex+0x3c2/0x510 [ 42.745244][ T99] ? security_sk_alloc+0x65/0x260 [ 42.745327][ T99] should_failslab+0xac/0x100 [ 42.745402][ T99] __kmalloc_noprof+0x69/0x510 [ 42.745471][ T99] ? kasan_save_alloc_info+0x3a/0x50 [ 42.745572][ T99] ? security_sk_alloc+0x65/0x260 [ 42.745652][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 42.745739][ T99] security_sk_alloc+0x65/0x260 [ 42.745830][ T99] sk_prot_alloc+0x123/0x3a0 [ 42.745973][ T99] sk_alloc+0x40/0x590 [ 42.746065][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 42.746144][ T99] unix_create1+0xb7/0x760 [ 42.746225][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 42.746316][ T99] unix_create+0x15a/0x220 [ 42.746402][ T99] __sock_create+0x3a5/0x810 [ 42.746491][ T99] __sys_socket+0xe1/0x1c0 [ 42.746573][ T99] __x64_sys_socket+0x7e/0x90 [ 42.746663][ T99] x64_sys_call+0x2608/0x2ee0 [ 42.746771][ T99] do_syscall_64+0x57/0xf0 [ 42.746848][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.746948][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.747028][ T99] RIP: 0033:0x7fc1a8641707 [ 42.747085][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 42.747141][ T99] RSP: 002b:00007ffd4d2a7c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 42.747220][ T99] RAX: ffffffffffffffda RBX: 0000000000000053 RCX: 00007fc1a8641707 [ 42.747280][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 42.747342][ T99] RBP: 00007fc1a86cd560 R08: 0000000000000000 R09: 0000000000000000 [ 42.747395][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 42.747426][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000038 R15: 00007ffd4d2a7dc0 [ 42.747481][ T99] [ 42.756007][ T110] FAULT_INJECTION: forcing a failure. [ 42.756007][ T110] name failslab, interval 3, probability 10, space 0, times 29 [ 42.757736][ T294] 0 [ 42.771546][ T99] FAULT_INJECTION: forcing a failure. [ 42.771546][ T99] name failslab, interval 3, probability 10, space 0, times 28 [ 42.782131][ T9] usb usb4-port1: attempt power cycle [ 42.800594][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.800696][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.800742][ T110] Call Trace: [ 42.800764][ T110] [ 42.800787][ T110] __dump_stack+0x21/0x30 [ 42.800876][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.800963][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.801056][ T110] dump_stack+0x19/0x20 [ 42.801139][ T110] should_fail_ex+0x3c2/0x510 [ 42.801218][ T110] should_failslab+0xac/0x100 [ 42.801294][ T110] __kmalloc_cache_noprof+0x41/0x470 [ 42.801360][ T110] ? kernfs_fop_open+0x716/0xd50 [ 42.801442][ T110] ? seq_open+0xaa/0x1d0 [ 42.801519][ T110] kernfs_fop_open+0x716/0xd50 [ 42.801606][ T110] ? __cfi_kernfs_fop_open+0x10/0x10 [ 42.801694][ T110] do_dentry_open+0x97c/0x1510 [ 42.801790][ T110] vfs_open+0x86/0x240 [ 42.801873][ T110] ? __cfi_vfs_open+0x10/0x10 [ 42.801958][ T110] ? may_open+0x352/0x430 [ 42.801985][ T110] path_openat+0x2c49/0x35a0 [ 42.802050][ T110] ? kasan_save_alloc_info+0x3a/0x50 [ 42.802176][ T110] ? getname+0x1b/0x30 [ 42.802249][ T110] ? x64_sys_call+0xe69/0x2ee0 [ 42.802305][ T110] ? do_syscall_64+0x57/0xf0 [ 42.802381][ T110] ? do_filp_open+0x440/0x440 [ 42.802454][ T110] do_filp_open+0x1f2/0x440 [ 42.802537][ T110] ? __cfi_do_filp_open+0x10/0x10 [ 42.802617][ T110] ? alloc_fd+0x4c1/0x570 [ 42.802693][ T110] do_sys_openat2+0x134/0x1d0 [ 42.802779][ T110] ? do_sys_open+0x100/0x100 [ 42.802875][ T110] __x64_sys_openat+0x13a/0x170 [ 42.802963][ T110] x64_sys_call+0xe69/0x2ee0 [ 42.803026][ T110] do_syscall_64+0x57/0xf0 [ 42.803089][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.803164][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.803239][ T110] RIP: 0033:0x7f21a14a7407 [ 42.803302][ T110] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.803356][ T110] RSP: 002b:00007fffe151fed0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 42.803415][ T110] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 42.803468][ T110] RDX: 0000000000080000 RSI: 00007fffe1520050 RDI: ffffffffffffff9c [ 42.803535][ T110] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 42.803584][ T110] R10: 0000000000000000 R11: 0000000000000202 R12: 000055abe1ae37f5 [ 42.803635][ T110] R13: 000055abe1ae37f5 R14: 0000000000000001 R15: 0000000000000000 [ 42.803689][ T110] [ 42.808393][ T110] FAULT_INJECTION: forcing a failure. [ 42.808393][ T110] name failslab, interval 3, probability 10, space 0, times 26 [ 42.812721][ T286] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.812815][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.812869][ T286] Call Trace: [ 42.812898][ T286] [ 42.812923][ T286] __dump_stack+0x21/0x30 [ 42.813027][ T286] dump_stack_lvl+0x140/0x1c0 [ 42.813119][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.813210][ T286] ? __mark_inode_dirty+0x2ab/0xc50 [ 42.813289][ T286] ? __cfi___mark_inode_dirty+0x10/0x10 [ 42.813360][ T286] dump_stack+0x19/0x20 [ 42.813461][ T286] should_fail_ex+0x3c2/0x510 [ 42.813557][ T286] should_failslab+0xac/0x100 [ 42.813653][ T286] kmem_cache_alloc_node_noprof+0x45/0x420 [ 42.813732][ T286] ? __alloc_skb+0x10c/0x360 [ 42.813816][ T286] __alloc_skb+0x10c/0x360 [ 42.813889][ T286] ? tcp_current_mss+0x539/0x8b0 [ 42.813959][ T286] tcp_stream_alloc_skb+0x43/0x370 [ 42.814028][ T286] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 42.814098][ T286] ? avc_has_perm_noaudit+0x289/0x360 [ 42.814187][ T286] ? __kasan_check_write+0x18/0x20 [ 42.814248][ T286] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 42.814339][ T286] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 42.814417][ T286] ? avc_has_perm+0x155/0x240 [ 42.814489][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 42.814555][ T286] tcp_sendmsg+0x3e/0xd0 [ 42.814614][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 42.814673][ T286] inet_sendmsg+0xb7/0x120 [ 42.814743][ T286] ? __cfi_inet_sendmsg+0x10/0x10 [ 42.814823][ T286] sock_write_iter+0x3bf/0x490 [ 42.814930][ T286] ? __cfi_sock_write_iter+0x10/0x10 [ 42.815028][ T286] vfs_write+0x762/0xfd0 [ 42.815107][ T286] ? __cfi_vfs_write+0x10/0x10 [ 42.815178][ T286] ? __kasan_check_read+0x15/0x20 [ 42.815247][ T286] ksys_write+0x145/0x260 [ 42.815315][ T286] ? up_read+0x26/0x1c0 [ 42.815418][ T286] ? __cfi_ksys_write+0x10/0x10 [ 42.815488][ T286] ? __kasan_check_read+0x15/0x20 [ 42.815549][ T286] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 42.815640][ T286] __x64_sys_write+0x7f/0x90 [ 42.815709][ T286] x64_sys_call+0x271c/0x2ee0 [ 42.815769][ T286] do_syscall_64+0x57/0xf0 [ 42.815841][ T286] ? clear_bhb_loop+0x50/0xa0 [ 42.815920][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.816010][ T286] RIP: 0033:0x7fc3c5b59017 [ 42.816067][ T286] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 42.816125][ T286] RSP: 002b:00007fff0d01f590 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 42.816197][ T286] RAX: ffffffffffffffda RBX: 000055556d459500 RCX: 00007fc3c5b59017 [ 42.816271][ T286] RDX: 00000000000000b8 RSI: 00007fc3c35fff48 RDI: 0000000000000003 [ 42.816335][ T286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.816381][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000b8 [ 42.816437][ T286] R13: 000055556d4710a0 R14: 00007fff0d01fb30 R15: 00007fc3c35fff48 [ 42.816506][ T286] [ 42.816655][ T294] 0 [ 42.820559][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.820647][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.820689][ T99] Call Trace: [ 42.820710][ T99] [ 42.820732][ T99] __dump_stack+0x21/0x30 [ 42.820826][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.820913][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.821006][ T99] dump_stack+0x19/0x20 [ 42.821082][ T99] should_fail_ex+0x3c2/0x510 [ 42.821155][ T99] should_failslab+0xac/0x100 [ 42.821222][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 42.821286][ T99] ? security_inode_alloc+0x51/0x230 [ 42.821370][ T99] security_inode_alloc+0x51/0x230 [ 42.821450][ T99] inode_init_always_gfp+0x756/0x9e0 [ 42.821525][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 42.821584][ T99] alloc_inode+0xc5/0x270 [ 42.821609][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 42.821634][ T99] new_inode_pseudo+0x19/0x40 [ 42.821686][ T99] __sock_create+0x130/0x810 [ 42.821786][ T99] __sys_socket+0xe1/0x1c0 [ 42.821876][ T99] __x64_sys_socket+0x7e/0x90 [ 42.821969][ T99] x64_sys_call+0x2608/0x2ee0 [ 42.822021][ T99] do_syscall_64+0x57/0xf0 [ 42.822086][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.822170][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.822241][ T99] RIP: 0033:0x7fc1a8641707 [ 42.822294][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 42.822346][ T99] RSP: 002b:00007ffd4d2a7c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 42.822402][ T99] RAX: ffffffffffffffda RBX: 0000000000000054 RCX: 00007fc1a8641707 [ 42.822446][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 42.822486][ T99] RBP: 00007fc1a86cd560 R08: 0000000000000000 R09: 0000000000000000 [ 42.822521][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 42.822562][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000039 R15: 00007ffd4d2a7dc0 [ 42.822615][ T99] [ 42.822659][ T99] socket: no more sockets [ 42.829206][ T294] [ 42.840606][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.840708][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.840753][ T110] Call Trace: [ 42.840784][ T110] [ 42.840815][ T110] __dump_stack+0x21/0x30 [ 42.840966][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.841050][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.841150][ T110] dump_stack+0x19/0x20 [ 42.841226][ T110] should_fail_ex+0x3c2/0x510 [ 42.841253][ T110] should_failslab+0xac/0x100 [ 42.841282][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 42.841307][ T110] ? anon_vma_fork+0x1fc/0x610 [ 42.841388][ T110] anon_vma_fork+0x1fc/0x610 [ 42.841489][ T110] copy_mm+0xc14/0x1da0 [ 42.841585][ T110] ? copy_signal+0x6a0/0x6a0 [ 42.841663][ T110] ? _raw_spin_lock+0x92/0x120 [ 42.841733][ T110] ? __asan_memset+0x39/0x50 [ 42.841798][ T110] ? __init_rwsem+0x110/0x1f0 [ 42.841889][ T110] ? copy_signal+0x4d5/0x6a0 [ 42.841970][ T110] copy_process+0x12a4/0x3350 [ 42.842061][ T110] ? __cfi_copy_process+0x10/0x10 [ 42.842137][ T110] ? selinux_socket_setsockopt+0x324/0x3d0 [ 42.842225][ T110] ? __kasan_check_write+0x18/0x20 [ 42.842311][ T110] kernel_clone+0x233/0x810 [ 42.842393][ T110] ? _raw_spin_lock_irq+0x93/0x120 [ 42.842455][ T110] ? __cfi_kernel_clone+0x10/0x10 [ 42.842536][ T110] ? __kasan_check_write+0x18/0x20 [ 42.842604][ T110] ? recalc_sigpending+0x16c/0x1d0 [ 42.842676][ T110] __x64_sys_clone+0x1b7/0x230 [ 42.842767][ T110] ? _copy_to_user+0x7d/0xa0 [ 42.842883][ T110] ? __cfi___x64_sys_clone+0x10/0x10 [ 42.842990][ T110] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 42.843094][ T110] ? __kasan_check_read+0x15/0x20 [ 42.843164][ T110] x64_sys_call+0x2b3c/0x2ee0 [ 42.843225][ T110] do_syscall_64+0x57/0xf0 [ 42.843296][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.843397][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.843466][ T110] RIP: 0033:0x7f21a14f1636 [ 42.843532][ T110] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 42.843591][ T110] RSP: 002b:00007fffe1524290 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 42.843802][ T110] RAX: ffffffffffffffda RBX: 00007fffe1524298 RCX: 00007f21a14f1636 [ 42.843872][ T110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 42.843920][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000000 R09: 000055ac1af83020 [ 42.843977][ T110] R10: 00007f21a1b6fb50 R11: 0000000000000246 R12: 00007fffe1524650 [ 42.844024][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.844076][ T110] [ 42.850398][ T110] FAULT_INJECTION: forcing a failure. [ 42.850398][ T110] name failslab, interval 3, probability 10, space 0, times 21 [ 42.860758][ T99] FAULT_INJECTION: forcing a failure. [ 42.860758][ T99] name failslab, interval 3, probability 10, space 0, times 21 [ 42.885391][ T296] FAULT_INJECTION: forcing a failure. [ 42.885391][ T296] name failslab, interval 3, probability 10, space 0, times 19 [ 42.897041][ T296] CPU: 0 UID: 0 PID: 296 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.897152][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.897197][ T296] Call Trace: [ 42.897228][ T296] [ 42.897267][ T296] __dump_stack+0x21/0x30 [ 42.897393][ T296] dump_stack_lvl+0x140/0x1c0 [ 42.897488][ T296] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.897598][ T296] ? kasan_save_alloc_info+0x3a/0x50 [ 42.897732][ T296] dump_stack+0x19/0x20 [ 42.897814][ T296] should_fail_ex+0x3c2/0x510 [ 42.897897][ T296] ? security_inode_init_security+0x11c/0x600 [ 42.897987][ T296] should_failslab+0xac/0x100 [ 42.898068][ T296] __kmalloc_noprof+0x69/0x510 [ 42.898138][ T296] ? security_inode_init_security+0x11c/0x600 [ 42.898228][ T296] ? get_inode_acl+0x50/0x50 [ 42.898313][ T296] ? __cfi_shmem_alloc_inode+0x10/0x10 [ 42.898407][ T296] ? __cfi_shmem_initxattrs+0x10/0x10 [ 42.898499][ T296] security_inode_init_security+0x11c/0x600 [ 42.898581][ T296] ? __cfi_security_inode_init_security+0x10/0x10 [ 42.898693][ T296] ? set_cached_acl+0xe1/0x1a0 [ 42.898803][ T296] ? simple_acl_create+0x190/0x1c0 [ 42.898883][ T296] shmem_mknod+0xd5/0x200 [ 42.898975][ T296] shmem_mkdir+0x3b/0x80 [ 42.899068][ T296] vfs_mkdir+0x58e/0x810 [ 42.899154][ T296] do_mkdirat+0x240/0x530 [ 42.899244][ T296] ? __cfi_do_mkdirat+0x10/0x10 [ 42.899327][ T296] ? __kasan_check_write+0x18/0x20 [ 42.899388][ T296] ? getname_flags+0x203/0x6b0 [ 42.899459][ T296] ? __kasan_check_read+0x15/0x20 [ 42.899525][ T296] __x64_sys_mkdirat+0x8b/0xa0 [ 42.899609][ T296] x64_sys_call+0x2ba8/0x2ee0 [ 42.899676][ T296] do_syscall_64+0x57/0xf0 [ 42.899746][ T296] ? clear_bhb_loop+0x50/0xa0 [ 42.899836][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.899918][ T296] RIP: 0033:0x7f8f2499cd07 [ 42.899984][ T296] Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 42.900056][ T296] RSP: 002b:00007ffc008a8608 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 [ 42.900142][ T296] RAX: ffffffffffffffda RBX: 00007ffc008a8660 RCX: 00007f8f2499cd07 [ 42.900197][ T296] RDX: 00000000000001ff RSI: 00007ffc008a8660 RDI: 00000000ffffff9c [ 42.900243][ T296] RBP: 00007ffc008a864c R08: 0000000000000002 R09: 00000000fffffffe [ 42.900289][ T296] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000013 [ 42.900335][ T296] R13: 00000000000927c0 R14: 000000000000a4dc R15: 00007ffc008a86a0 [ 42.900376][ T296] [ 42.917945][ T294] DMA32: [ 42.950600][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.950740][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.950786][ T99] Call Trace: [ 42.950810][ T99] [ 42.950844][ T99] __dump_stack+0x21/0x30 [ 42.950957][ T99] dump_stack_lvl+0x140/0x1c0 [ 42.951066][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.951203][ T99] dump_stack+0x19/0x20 [ 42.951287][ T99] should_fail_ex+0x3c2/0x510 [ 42.951385][ T99] should_failslab+0xac/0x100 [ 42.951477][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 42.951546][ T99] ? security_inode_alloc+0x51/0x230 [ 42.951635][ T99] security_inode_alloc+0x51/0x230 [ 42.951716][ T99] inode_init_always_gfp+0x756/0x9e0 [ 42.951806][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 42.951888][ T99] alloc_inode+0xc5/0x270 [ 42.951975][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 42.952051][ T99] new_inode_pseudo+0x19/0x40 [ 42.952134][ T99] __sock_create+0x130/0x810 [ 42.952225][ T99] __sys_socket+0xe1/0x1c0 [ 42.952338][ T99] __x64_sys_socket+0x7e/0x90 [ 42.952460][ T99] x64_sys_call+0x2608/0x2ee0 [ 42.952545][ T99] do_syscall_64+0x57/0xf0 [ 42.952634][ T99] ? clear_bhb_loop+0x50/0xa0 [ 42.952725][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.952813][ T99] RIP: 0033:0x7fc1a8641707 [ 42.952871][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 42.952921][ T99] RSP: 002b:00007ffd4d2a7c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 42.952998][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc1a8641707 [ 42.953046][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 42.953091][ T99] RBP: 00007fc1a86cd560 R08: 0000000000000073 R09: 0000000000000001 [ 42.953137][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 42.953183][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000039 R15: 00007ffd4d2a7dc0 [ 42.953240][ T99] [ 42.953300][ T99] socket: no more sockets [ 42.956640][ T294] 5*4kB [ 42.970582][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 42.970697][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 42.970742][ T110] Call Trace: [ 42.970765][ T110] [ 42.970790][ T110] __dump_stack+0x21/0x30 [ 42.970901][ T110] dump_stack_lvl+0x140/0x1c0 [ 42.970985][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 42.971085][ T110] dump_stack+0x19/0x20 [ 42.971167][ T110] should_fail_ex+0x3c2/0x510 [ 42.971247][ T110] should_failslab+0xac/0x100 [ 42.971321][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 42.971390][ T110] ? vm_area_dup+0x3f/0x560 [ 42.971460][ T110] ? __kasan_check_read+0x15/0x20 [ 42.971528][ T110] vm_area_dup+0x3f/0x560 [ 42.971605][ T110] ? copy_mm+0xb0e/0x1da0 [ 42.971708][ T110] copy_mm+0xb16/0x1da0 [ 42.971799][ T110] ? copy_signal+0x6a0/0x6a0 [ 42.971880][ T110] ? _raw_spin_lock+0x92/0x120 [ 42.971954][ T110] ? __asan_memset+0x39/0x50 [ 42.972021][ T110] ? __init_rwsem+0x110/0x1f0 [ 42.972120][ T110] ? copy_signal+0x4d5/0x6a0 [ 42.972201][ T110] copy_process+0x12a4/0x3350 [ 42.972278][ T110] ? __cfi_copy_process+0x10/0x10 [ 42.972357][ T110] ? selinux_socket_setsockopt+0x324/0x3d0 [ 42.972449][ T110] ? __kasan_check_write+0x18/0x20 [ 42.972517][ T110] kernel_clone+0x233/0x810 [ 42.972599][ T110] ? _raw_spin_lock_irq+0x93/0x120 [ 42.972677][ T110] ? __cfi_kernel_clone+0x10/0x10 [ 42.972765][ T110] ? __kasan_check_write+0x18/0x20 [ 42.972834][ T110] ? recalc_sigpending+0x16c/0x1d0 [ 42.972906][ T110] __x64_sys_clone+0x1b7/0x230 [ 42.973010][ T110] ? _copy_to_user+0x7d/0xa0 [ 42.973121][ T110] ? __cfi___x64_sys_clone+0x10/0x10 [ 42.973209][ T110] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 42.973304][ T110] ? __kasan_check_read+0x15/0x20 [ 42.973372][ T110] x64_sys_call+0x2b3c/0x2ee0 [ 42.973437][ T110] do_syscall_64+0x57/0xf0 [ 42.973506][ T110] ? clear_bhb_loop+0x50/0xa0 [ 42.973594][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 42.973675][ T110] RIP: 0033:0x7f21a14f1636 [ 42.973734][ T110] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 42.973799][ T110] RSP: 002b:00007fffe1524290 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 42.973870][ T110] RAX: ffffffffffffffda RBX: 00007fffe1524298 RCX: 00007f21a14f1636 [ 42.973925][ T110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 42.973972][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000000 R09: 000055ac1af83020 [ 42.974016][ T110] R10: 00007f21a1b6fb50 R11: 0000000000000246 R12: 00007fffe1524650 [ 42.974074][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.974121][ T110] [ 42.991583][ T110] FAULT_INJECTION: forcing a failure. [ 42.991583][ T110] name failslab, interval 3, probability 10, space 0, times 11 [ 43.001978][ T294] (M) [ 43.016144][ T99] FAULT_INJECTION: forcing a failure. [ 43.016144][ T99] name failslab, interval 3, probability 10, space 0, times 11 [ 43.017015][ T294] 4*8kB [ 43.031020][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 43.031059][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.031076][ T99] Call Trace: [ 43.031084][ T99] [ 43.031121][ T99] __dump_stack+0x21/0x30 [ 43.031253][ T99] dump_stack_lvl+0x140/0x1c0 [ 43.031351][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 43.031461][ T99] ? should_fail_ex+0x100/0x510 [ 43.031536][ T99] dump_stack+0x19/0x20 [ 43.031624][ T99] should_fail_ex+0x3c2/0x510 [ 43.031695][ T99] should_failslab+0xac/0x100 [ 43.031776][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 43.031846][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 43.031937][ T99] ? __alloc_skb+0x10c/0x360 [ 43.032019][ T99] ? __asan_memcpy+0x5a/0x80 [ 43.032087][ T99] __alloc_skb+0x10c/0x360 [ 43.032177][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 43.032269][ T99] ? __cfi_avc_has_perm+0x10/0x10 [ 43.032340][ T99] ? __kasan_check_write+0x18/0x20 [ 43.032421][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 43.032501][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 43.032579][ T99] ? __kasan_check_write+0x18/0x20 [ 43.032662][ T99] ? _raw_spin_lock+0x92/0x120 [ 43.032748][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 43.032827][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 43.032914][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 43.033007][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 43.033108][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 43.033178][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 43.033270][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 43.033363][ T99] __sys_sendto+0x68a/0x700 [ 43.033477][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 43.033573][ T99] ? __cfi___sys_connect+0x10/0x10 [ 43.033683][ T99] __x64_sys_sendto+0xe9/0x100 [ 43.033777][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 43.033844][ T99] do_syscall_64+0x57/0xf0 [ 43.033919][ T99] ? clear_bhb_loop+0x50/0xa0 [ 43.034043][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 43.034132][ T99] RIP: 0033:0x7fc1a85c6407 [ 43.034190][ T99] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 43.034255][ T99] RSP: 002b:00007ffd4d2a7c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 43.034326][ T99] RAX: ffffffffffffffda RBX: 00007fc1a8476c80 RCX: 00007fc1a85c6407 [ 43.034394][ T99] RDX: 000000000000004d RSI: 00007ffd4d2a7dc0 RDI: 0000000000000003 [ 43.034441][ T99] RBP: 00007ffd4d2a81f0 R08: 0000000000000000 R09: 0000000000000000 [ 43.034485][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd4d2a8208 [ 43.034529][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000032 R15: 00007ffd4d2a7dc0 [ 43.034584][ T99] [ 43.051074][ T99] FAULT_INJECTION: forcing a failure. [ 43.051074][ T99] name failslab, interval 3, probability 10, space 0, times 8 [ 43.058929][ T294] (M) [ 43.060689][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 43.060813][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.060862][ T110] Call Trace: [ 43.060884][ T110] [ 43.060907][ T110] __dump_stack+0x21/0x30 [ 43.061003][ T110] dump_stack_lvl+0x140/0x1c0 [ 43.061080][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 43.061165][ T110] ? mtree_range_walk+0x573/0x730 [ 43.061280][ T110] dump_stack+0x19/0x20 [ 43.061365][ T110] should_fail_ex+0x3c2/0x510 [ 43.061443][ T110] should_failslab+0xac/0x100 [ 43.061527][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 43.061584][ T110] ? vm_area_dup+0x3f/0x560 [ 43.061656][ T110] vm_area_dup+0x3f/0x560 [ 43.061719][ T110] ? copy_mm+0xaae/0x1da0 [ 43.061793][ T110] copy_mm+0xb16/0x1da0 [ 43.061913][ T110] ? copy_signal+0x6a0/0x6a0 [ 43.061989][ T110] ? _raw_spin_lock+0x92/0x120 [ 43.062065][ T110] ? __asan_memset+0x39/0x50 [ 43.062138][ T110] ? __init_rwsem+0x110/0x1f0 [ 43.062253][ T110] ? copy_signal+0x4d5/0x6a0 [ 43.062328][ T110] copy_process+0x12a4/0x3350 [ 43.062412][ T110] ? __cfi_copy_process+0x10/0x10 [ 43.062487][ T110] ? selinux_socket_setsockopt+0x324/0x3d0 [ 43.062572][ T110] ? __kasan_check_write+0x18/0x20 [ 43.062637][ T110] kernel_clone+0x233/0x810 [ 43.062713][ T110] ? _raw_spin_lock_irq+0x93/0x120 [ 43.062778][ T110] ? __cfi_kernel_clone+0x10/0x10 [ 43.062860][ T110] ? __kasan_check_write+0x18/0x20 [ 43.062910][ T110] ? recalc_sigpending+0x16c/0x1d0 [ 43.062983][ T110] __x64_sys_clone+0x1b7/0x230 [ 43.063066][ T110] ? _copy_to_user+0x7d/0xa0 [ 43.063142][ T110] ? __cfi___x64_sys_clone+0x10/0x10 [ 43.063224][ T110] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 43.063315][ T110] ? __kasan_check_read+0x15/0x20 [ 43.063381][ T110] x64_sys_call+0x2b3c/0x2ee0 [ 43.063444][ T110] do_syscall_64+0x57/0xf0 [ 43.063532][ T110] ? clear_bhb_loop+0x50/0xa0 [ 43.063637][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 43.063730][ T110] RIP: 0033:0x7f21a14f1636 [ 43.063784][ T110] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 43.063838][ T110] RSP: 002b:00007fffe1524290 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 43.063903][ T110] RAX: ffffffffffffffda RBX: 00007fffe1524298 RCX: 00007f21a14f1636 [ 43.063957][ T110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 43.064000][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000000 R09: 000055ac1af83020 [ 43.064043][ T110] R10: 00007f21a1b6fb50 R11: 0000000000000246 R12: 00007fffe1524650 [ 43.064085][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.064137][ T110] [ 43.064953][ T110] FAULT_INJECTION: forcing a failure. [ 43.064953][ T110] name failslab, interval 3, probability 10, space 0, times 7 [ 43.066356][ T294] 3*16kB [ 43.080569][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 43.080690][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.080749][ T110] Call Trace: [ 43.080779][ T110] [ 43.080801][ T110] __dump_stack+0x21/0x30 [ 43.080895][ T110] dump_stack_lvl+0x140/0x1c0 [ 43.080970][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 43.081064][ T110] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 43.081142][ T110] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 43.081217][ T110] dump_stack+0x19/0x20 [ 43.081295][ T110] should_fail_ex+0x3c2/0x510 [ 43.081364][ T110] should_failslab+0xac/0x100 [ 43.081453][ T110] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 43.081519][ T110] ? __sock_create+0x3a5/0x810 [ 43.081602][ T110] ? __sys_socket+0xe1/0x1c0 [ 43.081670][ T110] ? __d_alloc+0x42/0x8c0 [ 43.081733][ T110] ? expand_files+0xda/0x6f0 [ 43.081804][ T110] __d_alloc+0x42/0x8c0 [ 43.081866][ T110] d_alloc_pseudo+0x23/0xc0 [ 43.081916][ T110] alloc_file_pseudo+0xde/0x1f0 [ 43.081994][ T110] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 43.082104][ T110] ? _raw_spin_unlock+0x45/0x60 [ 43.082186][ T110] sock_alloc_file+0xbe/0x2b0 [ 43.082261][ T110] __sys_socket+0x14c/0x1c0 [ 43.082338][ T110] __x64_sys_socket+0x7e/0x90 [ 43.082424][ T110] x64_sys_call+0x2608/0x2ee0 [ 43.082478][ T110] do_syscall_64+0x57/0xf0 [ 43.082551][ T110] ? clear_bhb_loop+0x50/0xa0 [ 43.082630][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 43.082706][ T110] RIP: 0033:0x7f21a1522707 [ 43.082760][ T110] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 43.082815][ T110] RSP: 002b:00007fffe1524388 EFLAGS: 00000286 ORIG_RAX: 0000000000000029 [ 43.082882][ T110] RAX: ffffffffffffffda RBX: 000055ac1afc71f0 RCX: 00007f21a1522707 [ 43.082928][ T110] RDX: 000000000000000f RSI: 0000000000080803 RDI: 0000000000000010 [ 43.082971][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000010 R09: 000055ac1af83020 [ 43.083014][ T110] R10: 0000000000000044 R11: 0000000000000286 R12: 00000000ffffffff [ 43.083057][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.083102][ T110] [ 43.084004][ T110] FAULT_INJECTION: forcing a failure. [ 43.084004][ T110] name failslab, interval 3, probability 10, space 0, times 6 [ 43.085560][ T294] (M) [ 43.092367][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 43.092497][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.092542][ T110] Call Trace: [ 43.092564][ T110] [ 43.092589][ T110] __dump_stack+0x21/0x30 [ 43.092699][ T110] dump_stack_lvl+0x140/0x1c0 [ 43.092781][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 43.092870][ T110] ? ___sys_recvmsg+0x223/0x590 [ 43.092935][ T110] dump_stack+0x19/0x20 [ 43.093015][ T110] should_fail_ex+0x3c2/0x510 [ 43.093090][ T110] should_failslab+0xac/0x100 [ 43.093170][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 43.093238][ T110] ? getname_flags+0xcc/0x6b0 [ 43.093317][ T110] getname_flags+0xcc/0x6b0 [ 43.093386][ T110] getname+0x1b/0x30 [ 43.093465][ T110] do_sys_openat2+0xda/0x1d0 [ 43.093554][ T110] ? do_sys_open+0x100/0x100 [ 43.093652][ T110] __x64_sys_openat+0x13a/0x170 [ 43.093752][ T110] x64_sys_call+0xe69/0x2ee0 [ 43.093833][ T110] do_syscall_64+0x57/0xf0 [ 43.093911][ T110] ? clear_bhb_loop+0x50/0xa0 [ 43.093992][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 43.094070][ T110] RIP: 0033:0x7f21a14a7407 [ 43.094125][ T110] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 43.094173][ T110] RSP: 002b:00007fffe151fed0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 43.094249][ T110] RAX: ffffffffffffffda RBX: 00007f21a1b6f880 RCX: 00007f21a14a7407 [ 43.094297][ T110] RDX: 0000000000080000 RSI: 00007fffe1520050 RDI: ffffffffffffff9c [ 43.094343][ T110] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 43.094386][ T110] R10: 0000000000000000 R11: 0000000000000202 R12: 000055abe1ae37f5 [ 43.094432][ T110] R13: 000055abe1ae37f5 R14: 0000000000000001 R15: 0000000000000000 [ 43.094487][ T110] [ 43.097196][ T110] FAULT_INJECTION: forcing a failure. [ 43.097196][ T110] name failslab, interval 3, probability 10, space 0, times 5 [ 43.110734][ T99] CPU: 0 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 43.110834][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.110870][ T99] Call Trace: [ 43.110891][ T99] [ 43.110914][ T99] __dump_stack+0x21/0x30 [ 43.111026][ T99] dump_stack_lvl+0x140/0x1c0 [ 43.111138][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 43.111223][ T99] ? stack_depot_save_flags+0x38/0x800 [ 43.111308][ T99] dump_stack+0x19/0x20 [ 43.111392][ T99] should_fail_ex+0x3c2/0x510 [ 43.111465][ T99] should_failslab+0xac/0x100 [ 43.111540][ T99] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 43.111605][ T99] ? __d_alloc+0x42/0x8c0 [ 43.111658][ T99] ? expand_files+0xda/0x6f0 [ 43.111738][ T99] __d_alloc+0x42/0x8c0 [ 43.111793][ T99] d_alloc_pseudo+0x23/0xc0 [ 43.111859][ T99] alloc_file_pseudo+0xde/0x1f0 [ 43.111937][ T99] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 43.112021][ T99] ? _raw_spin_unlock+0x45/0x60 [ 43.112095][ T99] sock_alloc_file+0xbe/0x2b0 [ 43.112175][ T99] __sys_socket+0x14c/0x1c0 [ 43.112254][ T99] __x64_sys_socket+0x7e/0x90 [ 43.112339][ T99] x64_sys_call+0x2608/0x2ee0 [ 43.112402][ T99] do_syscall_64+0x57/0xf0 [ 43.112500][ T99] ? clear_bhb_loop+0x50/0xa0 [ 43.112593][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 43.112668][ T99] RIP: 0033:0x7fc1a8641707 [ 43.112721][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 43.112789][ T99] RSP: 002b:00007ffd4d2a7c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 43.112850][ T99] RAX: ffffffffffffffda RBX: 0000000000000073 RCX: 00007fc1a8641707 [ 43.112903][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 43.112945][ T99] RBP: 00007fc1a86cd560 R08: 0000000000000000 R09: 0000000000000000 [ 43.112989][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 43.113032][ T99] R13: 00007ffd4d2a7dc0 R14: 0000000000000058 R15: 00007ffd4d2a7dc0 [ 43.113085][ T99] [ 43.140595][ T294] 5*32kB [ 43.149497][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 43.149605][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.149642][ T110] Call Trace: [ 43.149665][ T110] [ 43.149695][ T110] __dump_stack+0x21/0x30 [ 43.149806][ T110] dump_stack_lvl+0x140/0x1c0 [ 43.149893][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 43.149981][ T110] ? __cfi_copy_page_range+0x10/0x10 [ 43.150054][ T110] dump_stack+0x19/0x20 [ 43.150148][ T110] should_fail_ex+0x3c2/0x510 [ 43.150232][ T110] should_failslab+0xac/0x100 [ 43.150311][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 43.150378][ T110] ? vm_area_dup+0x3f/0x560 [ 43.150458][ T110] vm_area_dup+0x3f/0x560 [ 43.150524][ T110] ? copy_mm+0xaae/0x1da0 [ 43.150599][ T110] copy_mm+0xb16/0x1da0 [ 43.150684][ T110] ? copy_signal+0x6a0/0x6a0 [ 43.150771][ T110] ? _raw_spin_lock+0x92/0x120 [ 43.150839][ T110] ? __asan_memset+0x39/0x50 [ 43.150897][ T110] ? __init_rwsem+0x110/0x1f0 [ 43.150994][ T110] ? copy_signal+0x4d5/0x6a0 [ 43.151071][ T110] copy_process+0x12a4/0x3350 [ 43.151159][ T110] ? __cfi_copy_process+0x10/0x10 [ 43.151239][ T110] ? selinux_socket_setsockopt+0x324/0x3d0 [ 43.151318][ T110] ? __kasan_check_write+0x18/0x20 [ 43.151385][ T110] kernel_clone+0x233/0x810 [ 43.151471][ T110] ? _raw_spin_lock_irq+0x93/0x120 [ 43.151563][ T110] ? __cfi_kernel_clone+0x10/0x10 [ 43.151655][ T110] ? __kasan_check_write+0x18/0x20 [ 43.151720][ T110] ? recalc_sigpending+0x16c/0x1d0 [ 43.151807][ T110] __x64_sys_clone+0x1b7/0x230 [ 43.151884][ T110] ? _copy_to_user+0x7d/0xa0 [ 43.151971][ T110] ? __cfi___x64_sys_clone+0x10/0x10 [ 43.152049][ T110] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 43.152147][ T110] ? __kasan_check_read+0x15/0x20 [ 43.152214][ T110] x64_sys_call+0x2b3c/0x2ee0 [ 43.152283][ T110] do_syscall_64+0x57/0xf0 [ 43.152351][ T110] ? clear_bhb_loop+0x50/0xa0 [ 43.152432][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 43.152517][ T110] RIP: 0033:0x7f21a14f1636 [ 43.152572][ T110] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 43.152627][ T110] RSP: 002b:00007fffe1524290 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 43.152699][ T110] RAX: ffffffffffffffda RBX: 00007fffe1524298 RCX: 00007f21a14f1636 [ 43.152765][ T110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 43.152802][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000000 R09: 000055ac1af83020 [ 43.152846][ T110] R10: 00007f21a1b6fb50 R11: 0000000000000246 R12: 00007fffe1524650 [ 43.152906][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.152973][ T110] [ 43.154289][ T110] FAULT_INJECTION: forcing a failure. [ 43.154289][ T110] name failslab, interval 3, probability 10, space 0, times 2 [ 43.159511][ T286] FAULT_INJECTION: forcing a failure. [ 43.159511][ T286] name failslab, interval 3, probability 10, space 0, times 2 [ 43.211337][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 43.211444][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 43.211481][ T110] Call Trace: [ 43.211512][ T110] [ 43.211535][ T110] __dump_stack+0x21/0x30 [ 43.211644][ T110] dump_stack_lvl+0x140/0x1c0 [ 43.211726][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 43.211827][ T110] dump_stack+0x19/0x20 [ 43.211906][ T110] should_fail_ex+0x3c2/0x510 [ 43.211983][ T110] should_failslab+0xac/0x100 [ 43.212062][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 43.212136][ T110] ? dup_fd+0x63/0x9c0 [ 43.212189][ T110] ? __cfi_avc_has_perm+0x10/0x10 [ 43.212214][ T110] dup_fd+0x63/0x9c0 [ 43.212237][ T110] ? __kasan_check_write+0x18/0x20 [ 43.212270][ T110] ? selinux_task_alloc+0x91/0xc0 [ 43.212351][ T110] copy_files+0xb7/0x130 [ 43.212448][ T110] copy_process+0x11f4/0x3350 [ 43.212545][ T110] ? __cfi_copy_process+0x10/0x10 [ 43.212623][ T110] ? selinux_socket_setsockopt+0x324/0x3d0 [ 43.212710][ T110] ? __kasan_check_write+0x18/0x20 [ 43.212763][ T110] kernel_clone+0x233/0x810 [ 43.212843][ T110] ? _raw_spin_lock_irq+0x93/0x120 [ 43.212919][ T110] ? __cfi_kernel_clone+0x10/0x10 [ 43.213000][ T110] ? __kasan_check_write+0x18/0x20 [ 43.213064][ T110] ? recalc_sigpending+0x16c/0x1d0 [ 43.213141][ T110] __x64_sys_clone+0x1b7/0x230 [ 43.213222][ T110] ? _copy_to_user+0x7d/0xa0 [ 43.213319][ T110] ? __cfi___x64_sys_clone+0x10/0x10 [ 43.213398][ T110] ? __se_sys_rt_sigprocmask+0x237/0x2a0 [ 43.213498][ T110] ? __kasan_check_read+0x15/0x20 [ 43.213565][ T110] x64_sys_call+0x2b3c/0x2ee0 [ 43.213623][ T110] do_syscall_64+0x57/0xf0 [ 43.213701][ T110] ? clear_bhb_loop+0x50/0xa0 [ 43.213790][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 43.213902][ T110] RIP: 0033:0x7f21a14f1636 [ 43.213958][ T110] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 43.214023][ T110] RSP: 002b:00007fffe1524290 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 43.214092][ T110] RAX: ffffffffffffffda RBX: 00007fffe1524298 RCX: 00007f21a14f1636 [ 43.214146][ T110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 43.214191][ T110] RBP: 000055ac1ad4d2c0 R08: 0000000000000000 R09: 000055ac1af83020 [ 43.214237][ T110] R10: 00007f21a1b6fb50 R11: 0000000000000246 R12: 00007fffe1524650 [ 43.214283][ T110] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.214338][ T110] [ 57.467956][ T286] CPU: 1 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35 [ 57.467993][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.468009][ T286] Call Trace: [ 57.468019][ T286] [ 57.468030][ T286] __dump_stack+0x21/0x30 [ 57.468069][ T286] dump_stack_lvl+0x140/0x1c0 [ 57.468103][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 57.468138][ T286] ? __cfi_fpu__restore_sig+0x10/0x10 [ 57.468171][ T286] dump_stack+0x19/0x20 [ 57.468201][ T286] should_fail_ex+0x3c2/0x510 [ 57.468229][ T286] should_failslab+0xac/0x100 [ 57.468257][ T286] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 57.468294][ T286] ? alloc_inode+0xa9/0x270 [ 57.468325][ T286] alloc_inode+0xa9/0x270 [ 57.468354][ T286] new_inode_pseudo+0x19/0x40 [ 57.468385][ T286] create_pipe_files+0x53/0x6c0 SYZFAIL: pipe failed (errno 23: Too many open files in system) [ 57.468409][ T286] __do_pipe_flags+0x50/0x2f0 [ 57.468432][ T286] do_pipe2+0xab/0x190 [ 57.468459][ T286] ? pipe_fcntl+0x520/0x520 [ 57.468485][ T286] ? __kasan_check_read+0x15/0x20 [ 57.468508][ T286] __x64_sys_pipe2+0x5e/0x70 [ 57.468532][ T286] x64_sys_call+0x8be/0x2ee0 [ 57.468555][ T286] do_syscall_64+0x57/0xf0 [ 57.468582][ T286] ? clear_bhb_loop+0x50/0xa0 [ 57.468616][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 57.468649][ T286] RIP: 0033:0x7fc3c5b9cec9 [ 57.468672][ T286] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 57.468694][ T286] RSP: 002b:00007fff0d01f5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 57.468721][ T286] RAX: ffffffffffffffda RBX: 000055556d4710a0 RCX: 00007fc3c5b9cec9 [ 57.468741][ T286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff0d01f608 [ 57.468758][ T286] RBP: 00007fff0d01fbd0 R08: 0000000000000000 R09: 0000000000000000 [ 57.468774][ T286] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff0d01f730 [ 57.468790][ T286] R13: 000055556d46e330 R14: 000055556d471720 R15: 0000000000000000 [ 57.468813][ T286] [ 57.469219][ T36] kauditd_printk_skb: 22 callbacks suppressed [ 57.469234][ T36] audit: type=1400 audit(1785162924.220:174): avc: denied { write } for pid=286 comm="syz-executor" path="pipe:[2391]" dev="pipefs" ino=2391 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 57.497627][ T294] (M) 4*64kB (M) 5*128kB (M) 5*256kB (M) 5*512kB (M) 5*1024kB (UM) 4*2048kB (M) 719*4096kB (M) = 2963332kB [ 57.766015][ T294] Normal: 772*4kB (UME) 380*8kB (UME) 188*16kB (UME) 164*32kB (UME) 182*64kB (UME) 131*128kB (UME) 85*256kB (UME) 45*512kB (UME) 28*1024kB (UM) 22*2048kB (UME) 775*4096kB (UM) = 3335728kB [ 57.787071][ T9] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 57.794664][ T294] 7986 total pagecache pages [ 57.800092][ T294] 0 pages in swap cache [ 57.804385][ T294] Free swap = 124996kB [ 57.808629][ T294] Total swap = 124996kB [ 57.812863][ T294] 2097051 pages RAM [ 57.816712][ T294] 0 pages HighMem/MovableOnly [ 57.821509][ T294] 352235 pages reserved [ 57.827839][ T294] 0 pages cma reserved [ 57.834023][ T294] Memory allocations: [ 57.838043][ T294] 0 B 0 init/main.c:1477 func:do_initcalls [ 57.845348][ T294] 0 B 0 init/do_mounts.c:186 func:mount_root_generic [ 57.853523][ T294] 0 B 0 init/do_mounts.c:158 func:do_mount_root [ 57.861240][ T294] 0 B 0 init/do_mounts.c:352 func:mount_nodev_root [ 57.869172][ T294] 0 B 0 init/do_mounts_rd.c:241 func:rd_load_image [ 57.877166][ T294] 0 B 0 init/do_mounts_rd.c:72 func:identify_ramdisk_image [ 57.885835][ T294] 0 B 0 init/initramfs.c:507 func:unpack_to_rootfs [ 57.893821][ T294] 0 B 0 init/initramfs.c:508 func:unpack_to_rootfs [ 57.901778][ T294] 0 B 0 init/initramfs.c:509 func:unpack_to_rootfs [ 57.909726][ T294] 0 B 0 init/initramfs.c:101 func:find_link [ 57.917602][ T44] bridge_slave_1: left allmulticast mode [ 57.923344][ T44] bridge_slave_1: left promiscuous mode [ 57.928992][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.936930][ T44] bridge_slave_0: left allmulticast mode [ 57.942657][ T44] bridge_slave_0: left promiscuous mode [ 57.948342][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.053157][ T44] veth1_macvtap: left promiscuous mode [ 58.058701][ T44] veth0_vlan: left promiscuous mode [ 58.210631][ T9] usb 4-1: device not accepting address 5, error -71 [ 58.333721][ T44] bridge_slave_1: left allmulticast mode [ 58.339431][ T44] bridge_slave_1: left promiscuous mode [ 58.345193][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.353055][ T44] bridge_slave_0: left allmulticast mode [ 58.358723][ T44] bridge_slave_0: left promiscuous mode [ 58.364425][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.372329][ T44] bridge_slave_1: left allmulticast mode [ 58.378002][ T44] bridge_slave_1: left promiscuous mode [ 58.383765][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.391380][ T44] bridge_slave_0: left allmulticast mode [ 58.397039][ T44] bridge_slave_0: left promiscuous mode [ 58.402831][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.410828][ T44] bridge_slave_1: left allmulticast mode [ 58.416496][ T44] bridge_slave_1: left promiscuous mode [ 58.422387][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.430198][ T44] bridge_slave_0: left allmulticast mode [ 58.436091][ T44] bridge_slave_0: left promiscuous mode [ 58.441785][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.666161][ T44] veth1_macvtap: left promiscuous mode [ 58.671837][ T44] veth0_vlan: left promiscuous mode [ 58.677257][ T44] veth1_macvtap: left promiscuous mode [ 58.682865][ T44] veth0_vlan: left promiscuous mode [ 58.688305][ T44] veth1_macvtap: left promiscuous mode [ 58.693901][ T44] veth0_vlan: left promiscuous mode